Exemplo n.º 1
0
int
main(int argc, char *argv[]) {
  char          **av, *out_fname, *in_fname ;
  int           ac, nargs ;
  MRI_SURFACE   *mris ;
  MRI           *mri_interior, *mri_template = NULL, *mri_buffer = NULL;

  char cmdline[CMD_LINE_LEN] ;

  make_cmd_version_string
  (argc, argv,
   "$Id: mris_fill.c,v 1.6 2011/03/02 00:04:32 nicks Exp $", "$Name:  $",
   cmdline);

  /* rkt: check for and handle version tag */
  nargs = handle_version_option (argc, argv, "$Id: mris_fill.c,v 1.6 2011/03/02 00:04:32 nicks Exp $", "$Name:  $");
  if (nargs && argc - nargs == 1)
    exit (0);
  argc -= nargs;

  Progname = argv[0] ;
  ErrorInit(NULL, NULL, NULL) ;
  DiagInit(NULL, NULL, NULL) ;

  ac = argc ;
  av = argv ;
  for ( ; argc > 1 && ISOPTION(*argv[1]) ; argc--, argv++) {
    nargs = get_option(argc, argv) ;
    argc -= nargs ;
    argv += nargs ;
  }

  if (argc != 3)
    usage_exit() ;

  in_fname = argv[1] ;
  out_fname = argv[2] ;

  fprintf(stderr, "reading surface from %s...\n", in_fname) ;
  mris = MRISread(in_fname) ;

  if (template)
Exemplo n.º 2
0
int main(int argc, char *argv[]) {
  tesselation_parms *parms;
  MRIS **mris_table, *mris,*mris_corrected;
  MRI *mri;

  char cmdline[CMD_LINE_LEN] ;

  make_cmd_version_string 
    (argc, argv, 
     "$Id: mri_mc.c,v 1.22 2011/03/02 00:04:23 nicks Exp $", "$Name: stable5 $", 
     cmdline);
  Progname=argv[0];

  if (argc > 1 && (stricmp(argv[1], "-d") == 0)) {
    downsample = atoi(argv[2]) ;
    argc -= 2;
    argv += 2 ;
    printf("downsampling input volume %d times\n", downsample) ;
  }

  if (argc < 4) {
    fprintf(stderr,"\n\nUSAGE: mri_mc input_volume "
            "label_value output_surface [connectivity]");
    fprintf(stderr,
            "\noption connectivity: 1=6+,2=18,3=6,4=26 (default=1)\n\n");
    exit(-1);
  }

  parms=(tesselation_parms*)calloc(1,sizeof(tesselation_parms));
  if (!parms)
    ErrorExit(ERROR_NOMEMORY, "tesselation parms\n") ;
  mri=MRIread(argv[1]);
  if (downsample > 0) {
    MRI *mri_tmp ;
    mri_tmp = MRIdownsample2(mri, NULL) ;
    MRIfree(&mri) ;
    mri = mri_tmp ;
  }
  {
    MRI *mri_tmp ;
    mri_tmp = MRIalloc(mri->width+2, mri->height+2, mri->depth+2, mri->type) ;
    MRIextractInto(mri, mri_tmp, 
                   0, 0, 0, 
                   mri->width, mri->height, mri->depth, 
                   1, 1, 1) ;
    MRIfree(&mri) ;
    mri = mri_tmp ;
  }
  MRIreInitCache(mri);
  if (mri->type != MRI_UCHAR) {
    MRI *mri_tmp ;
    float min_val, max_val ;

    MRIvalRange(mri, &min_val, &max_val) ;
    if (min_val < 0 || max_val > 255)
      ErrorExit
        (ERROR_UNSUPPORTED, 
         "%s: input volume (val range [%2.1f %2.1f]) must be "
         "convertible to UCHAR",
         Progname, min_val, max_val) ;
    printf("changing type of input volume to 8 bits/voxel...\n") ;
    mri_tmp = MRIchangeType(mri, MRI_UCHAR, 0.0, 0.999, TRUE) ;
    MRIfree(&mri) ;
    mri = mri_tmp ;
  }

  parms->mri=mri;

  parms->number_of_labels=1; //only one single label
  parms->label_values=(int*)malloc(sizeof(int));
  parms->label_values[0]=atoi(argv[2]);//label;
  parms->ind=0;
  mris_table=(MRIS**)malloc(sizeof(MRIS*)); //final surface information
  parms->mris_table=mris_table;
  if ((!parms->label_values) || (!mris_table))
    ErrorExit(ERROR_NOMEMORY, "labels/surfaces tables\n") ;

  if (argc==5) parms->connectivity=atoi(argv[4]);//connectivity;
  else parms->connectivity=1;

  initTesselationParms(parms);

  generateMCtesselation(parms);

  free(parms->label_values);
  mris=parms->mris_table[0];
  free(parms->mris_table);
  freeTesselationParms(&parms);

  {
    float dist,max_e=0.0;
    int n,p,vn0,vn2;
    VERTEX *v,*vp;
    fprintf(stderr,"computing the maximum edge length...");
    for (n = 0 ; n < mris->nvertices ; n++) {
      v=&mris->vertices[n];
      for (p = 0 ; p < v->vnum ; p++) {
        vp = &mris->vertices[v->v[p]];
        dist=SQR(vp->x-v->x)+SQR(vp->y-v->y)+SQR(vp->z-v->z);
        if (dist>max_e) max_e=dist;
      }
    }
    fprintf(stderr,"%f mm",sqrt(max_e));
    fprintf(stderr,"\nreversing orientation of faces...");
    for (n = 0 ; n < mris->nfaces ; n++) {
      vn0=mris->faces[n].v[0];
      vn2=mris->faces[n].v[2];
      /* vertex 0 becomes vertex 2 */
      v=&mris->vertices[vn0];
      for (p = 0 ; p < v->num ; p++)
        if (v->f[p]==n)
          v->n[p]=2;
      mris->faces[n].v[2]=vn0;
      /* vertex 2 becomes vertex 0 */
      v=&mris->vertices[vn2];
      for (p = 0 ; p < v->num ; p++)
        if (v->f[p]==n)
          v->n[p]=0;
      mris->faces[n].v[0]=vn2;
    }
  }

  fprintf(stderr,"\nchecking orientation of surface...");
  MRISmarkOrientationChanges(mris);
  mris_corrected=MRISextractMainComponent(mris,0,1,0);

  MRISfree(&mris);

  fprintf(stderr,"\nwriting out surface...");
  MRISaddCommandLine(mris_corrected, cmdline) ;
  if (mriConformed(mri) == 0) {
    printf("input volume is not conformed - using useRealRAS=1\n") ;
    mris_corrected->useRealRAS = 1 ;
  }
  //  getVolGeom(mri, &mris_corrected->vg);
  MRISwrite(mris_corrected,argv[3]);
  fprintf(stderr,"done\n");

  MRIfree(&mri);
  MRISfree(&mris_corrected);

  return 0;
}
int
main(int argc, char *argv[])
{
  char         *in_fname, *out_fname, **av, *xform_fname, fname[STRLEN] ;
  MRI          *mri_in, *mri_tmp ;
  int          ac, nargs, msec, minutes, seconds;
  int          input, ninputs ;
  struct timeb start ;
  TRANSFORM    *transform = NULL ;
  char         cmdline[CMD_LINE_LEN], line[STRLEN], *cp, subject[STRLEN], sdir[STRLEN], base_name[STRLEN] ;
  FILE         *fp ;

  make_cmd_version_string
    (argc, argv,
     "$Id: mri_fuse_intensity_images.c,v 1.2 2011/06/02 14:05:10 fischl Exp $",
     "$Name:  $", cmdline);

  /* rkt: check for and handle version tag */
  nargs = handle_version_option
    (argc, argv,
     "$Id: mri_fuse_intensity_images.c,v 1.2 2011/06/02 14:05:10 fischl Exp $",
     "$Name:  $");
  if (nargs && argc - nargs == 1)
    exit (0);
  argc -= nargs;

  setRandomSeed(-1L) ;
  Progname = argv[0] ;

  DiagInit(NULL, NULL, NULL) ;
  ErrorInit(NULL, NULL, NULL) ;

  ac = argc ;
  av = argv ;
  for ( ; argc > 1 && ISOPTION(*argv[1]) ; argc--, argv++)
  {
    nargs = get_option(argc, argv) ;
    argc -= nargs ;
    argv += nargs ;
  }

  if (argc < 5)
    ErrorExit
      (ERROR_BADPARM,
       "usage: %s [<options>] <longitudinal time point file> <in vol> <transform file> <out vol> \n",
       Progname) ;
  in_fname = argv[2] ;
  xform_fname = argv[3] ;
  out_fname = argv[4] ;

  transform = TransformRead(xform_fname) ;
  if (transform == NULL)
    ErrorExit(ERROR_NOFILE, "%s: could not read transform from %s", Progname, xform_fname) ;
  TimerStart(&start) ;

  FileNamePath(argv[1], sdir) ;
  cp = strrchr(sdir, '/') ; 
  if (cp)
  {
    strcpy(base_name, cp+1) ;
    *cp = 0 ;  // remove last component of path, which is base subject name
  }
  ninputs = 0 ;
  fp = fopen(argv[1], "r") ;
  if (fp == NULL)
    ErrorExit(ERROR_NOFILE, "%s: could not read time point file %s", Progname, argv[1]) ;

  do
  {
    cp = fgetl(line, STRLEN-1, fp) ;
    if (cp != NULL && strlen(cp) > 0)
    {
      subjects[ninputs] = (char *)calloc(strlen(cp)+1, sizeof(char)) ;
      strcpy(subjects[ninputs], cp) ;
      ninputs++ ;
    }
  } while (cp != NULL && strlen(cp) > 0) ;
  fclose(fp) ;
  printf("processing %d timepoints in SUBJECTS_DIR %s...\n", ninputs, sdir) ;
  for (input = 0 ; input < ninputs ; input++)
  {
    sprintf(subject, "%s.long.%s", subjects[input], base_name) ;
    printf("reading subject %s - %d of %d\n", subject, input+1, ninputs) ;
    sprintf(fname, "%s/%s/mri/%s", sdir, subject, in_fname) ;
    mri_tmp = MRIread(fname) ;
    if (!mri_tmp)
      ErrorExit(ERROR_NOFILE, "%s: could not read input MR volume from %s",
                Progname, fname) ;
    MRImakePositive(mri_tmp, mri_tmp) ;
    if (input == 0)
    {
      mri_in =
        MRIallocSequence(mri_tmp->width, mri_tmp->height, mri_tmp->depth,
                         mri_tmp->type, ninputs) ;
      if (!mri_in)
        ErrorExit(ERROR_NOMEMORY,
                  "%s: could not allocate input volume %dx%dx%dx%d",
                  mri_tmp->width,mri_tmp->height,mri_tmp->depth,ninputs) ;
      MRIcopyHeader(mri_tmp, mri_in) ;
    }

    if (mask_fname)
    {
      int i ;
      MRI *mri_mask ;

      mri_mask = MRIread(mask_fname) ;
      if (!mri_mask)
        ErrorExit(ERROR_NOFILE, "%s: could not open mask volume %s.\n",
                  Progname, mask_fname) ;

      for (i = 1 ; i < WM_MIN_VAL ; i++)
        MRIreplaceValues(mri_mask, mri_mask, i, 0) ;
      MRImask(mri_tmp, mri_mask, mri_tmp, 0, 0) ;
      MRIfree(&mri_mask) ;
    }
    MRIcopyFrame(mri_tmp, mri_in, 0, input) ;
    MRIfree(&mri_tmp) ;
  }
  MRIaddCommandLine(mri_in, cmdline) ;

  // try to bring the images closer to each other at each voxel where they seem to come from the same distribution
  {
    MRI   *mri_frame1, *mri_frame2 ;
    double rms_after ;

    mri_frame1 = MRIcopyFrame(mri_in, NULL, 0, 0) ;
    mri_frame2 = MRIcopyFrame(mri_in, NULL, 1, 0) ;
    rms_after = MRIrmsDiff(mri_frame1, mri_frame2) ;
    printf("RMS before intensity cohering  = %2.2f\n", rms_after) ;
    MRIfree(&mri_frame1) ; MRIfree(&mri_frame2) ; 
    if (0)
      normalize_timepoints(mri_in, 2.0, cross_time_sigma) ;
    else
      normalize_timepoints_with_parzen_window(mri_in, cross_time_sigma) ;
      
    mri_frame1 = MRIcopyFrame(mri_in, NULL, 0, 0) ;
    mri_frame2 = MRIcopyFrame(mri_in, NULL, 1, 0) ;
    rms_after = MRIrmsDiff(mri_frame1, mri_frame2) ;
    MRIfree(&mri_frame1) ; MRIfree(&mri_frame2) ;
    printf("RMS after intensity cohering  = %2.2f (sigma=%2.2f)\n", rms_after, cross_time_sigma) ;
  }

  for (input = 0 ; input < ninputs ; input++)
  {
    sprintf(fname, "%s/%s.long.%s/mri/%s", sdir, subjects[input], base_name, out_fname) ;
    printf("writing normalized volume to %s...\n", fname) ;
    if (MRIwriteFrame(mri_in, fname, input)  != NO_ERROR)
      ErrorExit(ERROR_BADFILE, "%s: could not write normalized volume to %s",Progname, fname);
  }

  MRIfree(&mri_in) ;

  printf("done.\n") ;
  msec = TimerStop(&start) ;
  seconds = nint((float)msec/1000.0f) ;
  minutes = seconds / 60 ;
  seconds = seconds % 60 ;
  printf("normalization took %d minutes and %d seconds.\n",
         minutes, seconds) ;
  if (diag_fp)
    fclose(diag_fp) ;
  exit(0) ;
  return(0) ;
}
Exemplo n.º 4
0
int
main(int argc, char *argv[])
{
  char         **av, *in_surf_fname, *out_fname, fname[STRLEN], *cp ;
  int          ac, nargs, msec, err ;
  MRI_SURFACE  *mris ;
  struct timeb then ;
  float        max_dim ;

  char cmdline[CMD_LINE_LEN] ;

  make_cmd_version_string
  (argc, argv,
   "$Id: mris_sphere.c,v 1.57 2011/03/02 00:04:34 nicks Exp $",
   "$Name: stable5 $", cmdline);

  /* rkt: check for and handle version tag */
  nargs = handle_version_option
          (argc, argv,
           "$Id: mris_sphere.c,v 1.57 2011/03/02 00:04:34 nicks Exp $",
           "$Name: stable5 $");
  if (nargs && argc - nargs == 1)
  {
    exit (0);
  }
  argc -= nargs;

#ifdef FS_CUDA
  /* print GPU device info */
  MRISCdeviceInfo();
#endif // FS_CUDA

  TimerStart(&then) ;
  Progname = argv[0] ;
  ErrorInit(NULL, NULL, NULL) ;
  DiagInit(NULL, NULL, NULL) ;

  memset(&parms, 0, sizeof(parms)) ;
  parms.dt = .05 ;
  parms.projection = PROJECT_ELLIPSOID ;
  parms.tol = .5 /*1e-1*/ ;
  parms.n_averages = 1024 ;
  parms.min_averages = 0 ;
  parms.l_angle = 0.0 /* L_ANGLE */ ;
  parms.l_area = 0.0 /* L_AREA */ ;
  parms.l_neg = 0.0 ;
  parms.l_dist = 1.0 ;
  parms.l_spring = 0.0 ;
  parms.l_area = 1.0 ;
  parms.l_boundary = 0.0 ;
  parms.l_curv = 0.0 ;
  parms.niterations = 25 ;
  parms.write_iterations = 1000 ;
  parms.a = parms.b = parms.c = 0.0f ;  /* ellipsoid parameters */
  parms.dt_increase = 1.01 /* DT_INCREASE */;
  parms.dt_decrease = 0.99 /* DT_DECREASE*/ ;
  parms.error_ratio = 1.03 /*ERROR_RATIO */;
  parms.integration_type = INTEGRATE_LINE_MINIMIZE ;
  parms.momentum = 0.9 ;
  parms.desired_rms_height = -1.0 ;
  parms.base_name[0] = 0 ;
  parms.Hdesired = 0.0 ;   /* a flat surface */
  parms.nbhd_size = 7 ;
  parms.max_nbrs = 8 ;

  ac = argc ;
  av = argv ;
  for ( ; argc > 1 && ISOPTION(*argv[1]) ; argc--, argv++)
  {
    nargs = get_option(argc, argv) ;
    argc -= nargs ;
    argv += nargs ;
  }

  parms.scale = scale ;

  if (argc != 3) // catches args beyond the expected two
  {
    usage_exit() ;
  }

  parms.base_dt = base_dt_scale * parms.dt ;
  in_surf_fname = argv[1] ;
  out_fname = argv[2] ;

  printf("%s\n",vcid);
  printf("  %s\n",MRISurfSrcVersion());
  fflush(stdout);

  if (parms.base_name[0] == 0)
  {
    FileNameOnly(out_fname, fname) ;
    cp = strchr(fname, '.') ;
    if (cp)
    {
      strcpy(parms.base_name, cp+1) ;
    }
    else
    {
      strcpy(parms.base_name, "sphere") ;
    }
  }

  mris = MRISread(in_surf_fname) ;
  if (!mris)
    ErrorExit(ERROR_NOFILE, "%s: could not read surface file %s",
              Progname, in_surf_fname) ;

  MRISaddCommandLine(mris, cmdline) ;

  fprintf(stderr, "reading original vertex positions...\n") ;
  if (!FZERO(disturb))
  {
    mrisDisturbVertices(mris, disturb) ;
  }
  if (quick == 0)
  {
    // don't need original properties unless preserving metric
    err = MRISreadOriginalProperties(mris, orig_name) ;
    if(err)
    {
      exit(1);
    }
  }
  if (smooth_avgs > 0)
  {
    MRISsaveVertexPositions(mris, TMP_VERTICES) ;
    MRISrestoreVertexPositions(mris, ORIGINAL_VERTICES) ;
    MRISaverageVertexPositions(mris, smooth_avgs) ;
    MRISsaveVertexPositions(mris, ORIGINAL_VERTICES) ;
    MRISrestoreVertexPositions(mris, TMP_VERTICES) ;
  }

  if (!FZERO(ralpha) || !FZERO(rbeta) || !FZERO(rgamma))
  {
    MRISrotate(mris,mris,RADIANS(ralpha),RADIANS(rbeta),RADIANS(rgamma)) ;
    //                if (Gdiag & DIAG_WRITE && DIAG_VERBOSE_ON)
    MRISwrite(mris, "rot") ;
  }
  fprintf(stderr, "unfolding cortex into spherical form...\n");
  if (talairach)
  {
    MRIStalairachTransform(mris, mris) ;
    MRISwrite(mris, "tal") ;
  }

  if (xform_fname)
  {
    LTA *lta ;
    MRI *mri ;
    TRANSFORM transform ;

    lta = LTAread(xform_fname) ;
    if (lta == NULL)
    {
      ErrorExit(ERROR_NOFILE, "%s: could not load %s", xform_fname) ;
    }
    mri = MRIread(vol_fname) ;
    if (mri == NULL)
    {
      ErrorExit(ERROR_NOFILE, "%s: could not load %s", vol_fname) ;
    }
    transform.type = lta->type ;
    transform.xform = (void *)lta ;
    MRIStransform(mris, mri, &transform, mri) ;
    MRIfree(&mri) ;
    LTAfree(&lta) ;
    MRISwrite(mris, "xfm") ;
  }
#if 0
  max_dim = MAX(abs(mris->xlo), abs(mris->xhi)) ;
  max_dim = MAX(abs(max_dim), abs(mris->ylo)) ;
  max_dim = MAX(abs(max_dim), abs(mris->yhi)) ;
  max_dim = MAX(abs(max_dim), abs(mris->zlo)) ;
  max_dim = MAX(abs(max_dim), abs(mris->zhi)) ;
#else
  max_dim = MAX(abs(mris->xhi-mris->xlo), abs(mris->yhi-mris->ylo)) ;
  max_dim = MAX(max_dim,abs(mris->zhi-mris->zlo)) ;
#endif
  if (max_dim > .75*DEFAULT_RADIUS)
  {
    float ratio = .75*DEFAULT_RADIUS / (max_dim) ;
    printf("scaling brain by %2.3f...\n", ratio) ;
    MRISscaleBrain(mris, mris, ratio) ;
  }

  if (target_radius < 0)
  {
    target_radius = sqrt(mris->total_area / (4*M_PI)) ;
    printf("setting target radius to be %2.3f to match surface areas\n",
           target_radius) ;
  }
  //  MRISsampleAtEachDistance(mris, parms.nbhd_size, parms.max_nbrs) ;
  if (!load && inflate)
  {
    INTEGRATION_PARMS inflation_parms ;

    MRIScenter(mris, mris) ;
    memset(&inflation_parms, 0, sizeof(INTEGRATION_PARMS)) ;
    strcpy(inflation_parms.base_name, parms.base_name) ;
    inflation_parms.write_iterations = parms.write_iterations ;
    inflation_parms.niterations = inflate_iterations ;
    inflation_parms.l_spring_norm = l_spring_norm ;
    inflation_parms.l_spring = inflate_spring ;
    inflation_parms.l_nlarea = inflate_nlarea ;
    inflation_parms.l_area = inflate_area ;
    inflation_parms.n_averages = inflate_avgs ;
    inflation_parms.l_expand = l_expand ;
    inflation_parms.l_tspring = inflate_tspring ;
    inflation_parms.l_sphere = l_sphere ;
    inflation_parms.l_convex = l_convex ;
#define SCALE_UP 2
    inflation_parms.a = SCALE_UP*DEFAULT_RADIUS ;
    inflation_parms.tol = inflate_tol ;
    inflation_parms.integration_type = INTEGRATE_MOMENTUM ;
    inflation_parms.momentum = 0.9 ;
    inflation_parms.dt = inflate_dt ;

    /* store the inflated positions in the v->c? field so that they can
      be used in the repulsive term.
    */
    /*    inflation_parms.l_repulse_ratio = .1 ;*/
    MRISsaveVertexPositions(mris, CANONICAL_VERTICES) ;
    if (l_expand > 0)
    {
      MRISexpandSurface(mris, target_radius/2, &inflation_parms, 0, 1) ;
      l_expand = parms.l_expand = 0 ;
    }
    MRIScenter(mris, mris) ;
    mris->x0 = mris->xctr ;
    mris->y0 = mris->yctr ;
    mris->z0 = mris->zctr ;
    MRISinflateToSphere(mris, &inflation_parms) ;
    if (inflation_parms.l_expand > 0)
    {
      inflation_parms.l_expand = 0 ;
      inflation_parms.niterations += (inflate_iterations*.1) ;
      MRISinflateToSphere(mris, &inflation_parms) ;
    }
    MRISscaleBrain(mris, mris, target_radius/(DEFAULT_RADIUS*SCALE_UP)) ;
    parms.start_t = inflation_parms.start_t ;
    MRISresetNeighborhoodSize(mris, nbrs) ;
  }

  if (Gdiag & DIAG_WRITE && DIAG_VERBOSE_ON)
  {
    MRISwrite(mris, "before") ;
  }
  MRISprojectOntoSphere(mris, mris, target_radius) ;
  if (Gdiag & DIAG_WRITE && DIAG_VERBOSE_ON)
  {
    MRISwrite(mris, "after") ;
  }
  fprintf(stderr,"surface projected - minimizing metric distortion...\n");
  MRISsetNeighborhoodSize(mris, nbrs) ;
  if (quick)
  {
    if (!load)
    {
#if 0
      parms.n_averages = 32 ;
      parms.tol = .1 ;
      parms.l_parea = parms.l_dist = 0.0 ;
      parms.l_nlarea = 1 ;
#endif
      MRISprintTessellationStats(mris, stderr) ;
      MRISquickSphere(mris, &parms, max_passes) ;
    }
  }
  else
  {
    MRISunfold(mris, &parms, max_passes) ;
  }
  if (remove_negative)
  {
    parms.niterations = 1000 ;
    MRISremoveOverlapWithSmoothing(mris,&parms) ;
  }
  if (!load)
  {
    fprintf(stderr, "writing spherical brain to %s\n", out_fname) ;
    MRISwrite(mris, out_fname) ;
  }

  msec = TimerStop(&then) ;
  fprintf(stderr, "spherical transformation took %2.2f hours\n",
          (float)msec/(1000.0f*60.0f*60.0f));
  exit(0) ;
  return(0) ;  /* for ansi */
}
Exemplo n.º 5
0
int
main(int argc, char *argv[])
{
  char   **av ;
  int    ac, nargs, n ;
  MRI    *mri_src, *mri_dst = NULL, *mri_bias, *mri_orig, *mri_aseg = NULL ;
  char   *in_fname, *out_fname ;
  int          msec, minutes, seconds ;
  struct timeb start ;

  char cmdline[CMD_LINE_LEN] ;

  make_cmd_version_string
  (argc, argv,
   "$Id: mri_normalize.c,v 1.80 2012/10/16 21:38:35 nicks Exp $",
   "$Name:  $",
   cmdline);

  /* rkt: check for and handle version tag */
  nargs = handle_version_option
          (argc, argv,
           "$Id: mri_normalize.c,v 1.80 2012/10/16 21:38:35 nicks Exp $",
           "$Name:  $");
  if (nargs && argc - nargs == 1)
  {
    exit (0);
  }
  argc -= nargs;

  Progname = argv[0] ;
  ErrorInit(NULL, NULL, NULL) ;
  DiagInit(NULL, NULL, NULL) ;

  mni.max_gradient = MAX_GRADIENT ;
  ac = argc ;
  av = argv ;
  for ( ; argc > 1 && ISOPTION(*argv[1]) ; argc--, argv++)
  {
    nargs = get_option(argc, argv) ;
    argc -= nargs ;
    argv += nargs ;
  }

  if (argc < 3)
  {
    usage_exit(0) ;
  }
  if (argc < 1)
  {
    ErrorExit(ERROR_BADPARM, "%s: no input name specified", Progname) ;
  }
  in_fname = argv[1] ;

  if (argc < 2)
  {
    ErrorExit(ERROR_BADPARM, "%s: no output name specified", Progname) ;
  }
  out_fname = argv[2] ;

  if(verbose)
  {
    printf( "reading from %s...\n", in_fname) ;
  }
  mri_src = MRIread(in_fname) ;
  if (!mri_src)
    ErrorExit(ERROR_NO_FILE, "%s: could not open source file %s",
              Progname, in_fname) ;
  MRIaddCommandLine(mri_src, cmdline) ;

  if(nsurfs > 0)
  {
    MRI_SURFACE *mris ;
    MRI         *mri_dist=NULL, *mri_dist_sup=NULL, *mri_ctrl, *mri_dist_one ;
    LTA          *lta= NULL ;
    int          i ;
    TRANSFORM    *surface_xform ;

    if (control_point_fname)  // do one pass with only file control points first
    {
      MRI3dUseFileControlPoints(mri_src, control_point_fname) ;
      mri_dst =
        MRI3dGentleNormalize(mri_src,
                             NULL,
                             DEFAULT_DESIRED_WHITE_MATTER_VALUE,
                             NULL,
                             intensity_above,
                             intensity_below/2,1,
                             bias_sigma, mri_not_control);
    }
    else
    {
      mri_dst = MRIcopy(mri_src, NULL) ;
    }
    for (i = 0 ; i < nsurfs ; i++)
    {
      mris = MRISread(surface_fnames[i]) ;
      if (mris == NULL)
        ErrorExit(ERROR_NOFILE,"%s: could not surface %s",
                  Progname,surface_fnames[i]);
      surface_xform = surface_xforms[i] ;
      TransformInvert(surface_xform, NULL) ;
      if (surface_xform->type == MNI_TRANSFORM_TYPE ||
          surface_xform->type == TRANSFORM_ARRAY_TYPE ||
          surface_xform->type  == REGISTER_DAT)
      {
        lta = (LTA *)(surface_xform->xform) ;

#if 0
        if (invert)
        {
          VOL_GEOM vgtmp;
          LT *lt;
          MATRIX *m_tmp = lta->xforms[0].m_L ;
          lta->xforms[0].m_L = MatrixInverse(lta->xforms[0].m_L, NULL) ;
          MatrixFree(&m_tmp) ;
          lt = &lta->xforms[0];
          if (lt->dst.valid == 0 || lt->src.valid == 0)
          {
            printf( "WARNING:***************************************************************\n");
            printf( "WARNING:dst volume infor is invalid.  Most likely produce wrong inverse.\n");
            printf( "WARNING:***************************************************************\n");
          }
          copyVolGeom(&lt->dst, &vgtmp);
          copyVolGeom(&lt->src, &lt->dst);
          copyVolGeom(&vgtmp, &lt->src);
        }
#endif
      }

      if (stricmp(surface_xform_fnames[i], "identity.nofile") != 0)
      {
        MRIStransform(mris, NULL, surface_xform, NULL) ;
      }

      mri_dist_one = MRIcloneDifferentType(mri_dst, MRI_FLOAT) ;
      printf("computing distance transform\n") ;
      MRIScomputeDistanceToSurface(mris, mri_dist_one, mri_dist_one->xsize) ;
      if (i == 0)
      {
        mri_dist = MRIcopy(mri_dist_one, NULL) ;
      }
      else
      {
        MRIcombineDistanceTransforms(mri_dist_one, mri_dist, mri_dist) ;
      }
//  MRIminAbs(mri_dist_one, mri_dist, mri_dist) ;
      MRIfree(&mri_dist_one) ;
    }
    MRIscalarMul(mri_dist, mri_dist, -1) ;

    if (nonmax_suppress)
    {
      printf("computing nonmaximum suppression\n") ;
      mri_dist_sup = MRInonMaxSuppress(mri_dist, NULL, 0, 1) ;
      mri_ctrl = MRIcloneDifferentType(mri_dist_sup, MRI_UCHAR) ;
      MRIbinarize(mri_dist_sup, mri_ctrl, min_dist, CONTROL_NONE, CONTROL_MARKED) ;
    }
    else if (erode)
    {
      int i ;
      mri_ctrl = MRIcloneDifferentType(mri_dist, MRI_UCHAR) ;
      MRIbinarize(mri_dist, mri_ctrl, min_dist, CONTROL_NONE, CONTROL_MARKED) ;
      for (i = 0 ; i < erode ; i++)
      {
        MRIerode(mri_ctrl, mri_ctrl) ;
      }
    }
    else
    {
      mri_ctrl = MRIcloneDifferentType(mri_dist, MRI_UCHAR) ;
      MRIbinarize(mri_dist, mri_ctrl, min_dist, CONTROL_NONE, CONTROL_MARKED) ;
    }

    if (control_point_fname)
    {
      MRInormAddFileControlPoints(mri_ctrl, CONTROL_MARKED) ;
    }

    if (mask_sigma > 0)
    {
      MRI *mri_smooth, *mri_mag, *mri_grad ;
      mri_smooth = MRIgaussianSmooth(mri_dst, mask_sigma, 1, NULL) ;
      mri_mag = MRIcloneDifferentType(mri_dst, MRI_FLOAT) ;
      mri_grad = MRIsobel(mri_smooth, NULL, mri_mag) ;
      MRIbinarize(mri_mag, mri_mag, mask_thresh, 1, 0) ;
      MRImask(mri_ctrl, mri_mag, mri_ctrl, 0, CONTROL_NONE) ;
      MRIfree(&mri_grad) ;
      MRIfree(&mri_mag) ;
      MRIfree(&mri_smooth) ;
    }
    if (mask_orig_fname)
    {
      MRI *mri_orig ;

      mri_orig = MRIread(mask_orig_fname) ;
      MRIbinarize(mri_orig, mri_orig, mask_orig_thresh, 0, 1) ;

      MRImask(mri_ctrl, mri_orig, mri_ctrl, 0, CONTROL_NONE) ;
      MRIfree(&mri_orig) ;
    }
    if (Gdiag & DIAG_WRITE && DIAG_VERBOSE_ON)
    {
      MRIwrite(mri_dist, "d.mgz");
      MRIwrite(mri_dist_sup, "dm.mgz");
      MRIwrite(mri_ctrl, "c.mgz");
    }
    MRIeraseBorderPlanes(mri_ctrl, 4) ;
    if (aseg_fname)
    {
      mri_aseg = MRIread(aseg_fname) ;
      if (mri_aseg == NULL)
      {
        ErrorExit(ERROR_NOFILE,
                  "%s: could not load aseg from %s", Progname, aseg_fname) ;
      }
      remove_nonwm_voxels(mri_ctrl, mri_aseg, mri_ctrl) ;
      MRIfree(&mri_aseg) ;
    }
    else
    {
      remove_surface_outliers(mri_ctrl, mri_dist, mri_dst, mri_ctrl) ;
    }
    mri_bias = MRIbuildBiasImage(mri_dst, mri_ctrl, NULL, 0.0) ;
    if (mri_dist)
    {
      MRIfree(&mri_dist) ;
    }
    if (mri_dist_sup)
    {
      MRIfree(&mri_dist_sup) ;
    }
    if (bias_sigma> 0)
    {
      MRI *mri_kernel = MRIgaussian1d(bias_sigma, -1) ;
      if (Gdiag & DIAG_WRITE && DIAG_VERBOSE_ON)
      {
        MRIwrite(mri_bias, "b.mgz") ;
      }
      printf("smoothing bias field\n") ;
      MRIconvolveGaussian(mri_bias, mri_bias, mri_kernel) ;
      if (Gdiag & DIAG_WRITE && DIAG_VERBOSE_ON)
      {
        MRIwrite(mri_bias, "bs.mgz") ;
      }
      MRIfree(&mri_kernel);
    }
    MRIfree(&mri_ctrl) ;
    mri_dst = MRIapplyBiasCorrectionSameGeometry
              (mri_dst, mri_bias, mri_dst,
               DEFAULT_DESIRED_WHITE_MATTER_VALUE) ;
    printf("writing normalized volume to %s\n", out_fname) ;
    MRIwrite(mri_dst, out_fname) ;
    exit(0) ;
  } // end if(surface_fname)

  if (!mriConformed(mri_src) && conform > 0)
  {
    printf("unconformed source detected - conforming...\n") ;
    mri_src = MRIconform(mri_src) ;
  }

  if (mask_fname)
  {
    MRI *mri_mask ;

    mri_mask = MRIread(mask_fname) ;
    if (!mri_mask)
      ErrorExit(ERROR_NOFILE, "%s: could not open mask volume %s.\n",
                Progname, mask_fname) ;
    MRImask(mri_src, mri_mask, mri_src, 0, 0) ;
    MRIfree(&mri_mask) ;
  }

  if (read_flag)
  {
    MRI *mri_ctrl ;
    double scale ;

    mri_bias = MRIread(bias_volume_fname) ;
    if (!mri_bias)
      ErrorExit
      (ERROR_BADPARM,
       "%s: could not read bias volume %s", Progname, bias_volume_fname) ;
    mri_ctrl = MRIread(control_volume_fname) ;
    if (!mri_ctrl)
      ErrorExit
      (ERROR_BADPARM,
       "%s: could not read control volume %s",
       Progname, control_volume_fname) ;
    MRIbinarize(mri_ctrl, mri_ctrl, 1, 0, 128) ;
    mri_dst = MRImultiply(mri_bias, mri_src, NULL) ;
    scale = MRImeanInLabel(mri_dst, mri_ctrl, 128) ;
    printf("mean in wm is %2.0f, scaling by %2.2f\n", scale, 110/scale) ;
    scale = 110/scale ;
    MRIscalarMul(mri_dst, mri_dst, scale) ;
    MRIwrite(mri_dst, out_fname) ;
    exit(0) ;
  }

  if(long_flag)
  {
    MRI *mri_ctrl ;
    double scale ;

    mri_bias = MRIread(long_bias_volume_fname) ;
    if (!mri_bias)
      ErrorExit
      (ERROR_BADPARM,
       "%s: could not read bias volume %s", Progname, long_bias_volume_fname) ;
    mri_ctrl = MRIread(long_control_volume_fname) ;
    if (!mri_ctrl)
      ErrorExit
      (ERROR_BADPARM,
       "%s: could not read control volume %s",
       Progname, long_control_volume_fname) ;
    MRIbinarize(mri_ctrl, mri_ctrl, 1, 0, CONTROL_MARKED) ;
    if (mri_ctrl->type != MRI_UCHAR)
    {
      MRI *mri_tmp ;
      mri_tmp = MRIchangeType(mri_ctrl, MRI_UCHAR, 0, 1,1);
      MRIfree(&mri_ctrl) ;
      mri_ctrl = mri_tmp ;
    }
    scale = MRImeanInLabel(mri_src, mri_ctrl, CONTROL_MARKED) ;
    printf("mean in wm is %2.0f, scaling by %2.2f\n", scale, 110/scale) ;
    scale = DEFAULT_DESIRED_WHITE_MATTER_VALUE/scale ;
    mri_dst = MRIscalarMul(mri_src, NULL, scale) ;
    MRIremoveWMOutliers(mri_dst, mri_ctrl, mri_ctrl, intensity_below/2) ;
    mri_bias = MRIbuildBiasImage(mri_dst, mri_ctrl, NULL, 0.0) ;
    MRIsoapBubble(mri_bias, mri_ctrl, mri_bias, 50, 1) ;
    MRIapplyBiasCorrectionSameGeometry(mri_dst, mri_bias, mri_dst,
                                       DEFAULT_DESIRED_WHITE_MATTER_VALUE);
    //    MRIwrite(mri_dst, out_fname) ;
    //    exit(0) ;
  } // end if(long_flag)

  if (grad_thresh > 0)
  {
    float thresh ;
    MRI   *mri_mag, *mri_grad, *mri_smooth ;
    MRI *mri_kernel = MRIgaussian1d(.5, -1) ;

    mri_not_control = MRIcloneDifferentType(mri_src, MRI_UCHAR) ;
    switch (scan_type)
    {
    case MRI_MGH_MPRAGE:
      thresh = 15 ;
      break ;
    case MRI_WASHU_MPRAGE:
      thresh = 20 ;
      break ;
    case MRI_UNKNOWN:
    default:
      thresh = 12 ;
      break ;
    }
    mri_smooth = MRIconvolveGaussian(mri_src, NULL, mri_kernel) ;
    thresh = grad_thresh ;
    mri_mag = MRIcloneDifferentType(mri_src, MRI_FLOAT) ;
    mri_grad = MRIsobel(mri_smooth, NULL, mri_mag) ;
    MRIwrite(mri_mag, "m.mgz") ;
    MRIbinarize(mri_mag, mri_not_control, thresh, 0, 1) ;
    MRIwrite(mri_not_control, "nc.mgz") ;
    MRIfree(&mri_mag) ;
    MRIfree(&mri_grad) ;
    MRIfree(&mri_smooth) ;
    MRIfree(&mri_kernel) ;
  }
#if 0
#if 0
  if ((mri_src->type != MRI_UCHAR) ||
      (!(mri_src->xsize == 1 && mri_src->ysize == 1 && mri_src->zsize == 1)))
#else
  if (conform || (mri_src->type != MRI_UCHAR && conform > 0))
#endif
  {
    MRI  *mri_tmp ;

    fprintf
    (stderr,
     "downsampling to 8 bits and scaling to isotropic voxels...\n") ;
    mri_tmp = MRIconform(mri_src) ;
    mri_src = mri_tmp ;
  }
#endif

  if(aseg_fname)
  {
    printf("Reading aseg %s\n",aseg_fname);
    mri_aseg = MRIread(aseg_fname) ;
    if (mri_aseg == NULL)
      ErrorExit
      (ERROR_NOFILE,
       "%s: could not read aseg from file %s", Progname, aseg_fname) ;
    if (!mriConformed(mri_aseg))
    {
      ErrorExit(ERROR_UNSUPPORTED, "%s: aseg volume %s must be conformed",
                Progname, aseg_fname) ;
    }
  }
  else
  {
    mri_aseg = NULL ;
  }

  if(verbose)
  {
    printf( "normalizing image...\n") ;
  }
  fflush(stdout);
  fflush(stderr);

  TimerStart(&start) ;

  if (control_point_fname)
  {
    MRI3dUseFileControlPoints(mri_src, control_point_fname) ;
  }

  // this just setup writing control-point volume saving
  if(control_volume_fname)
  {
    MRI3dWriteControlPoints(control_volume_fname) ;
  }


  /* first do a gentle normalization to get
     things in the right intensity range */
  if(long_flag == 0)   // if long, then this will already have been done with base control points
  {
    if(control_point_fname != NULL)  /* do one pass with only
                                         file control points first */
      mri_dst =
        MRI3dGentleNormalize(mri_src,
                             NULL,
                             DEFAULT_DESIRED_WHITE_MATTER_VALUE,
                             NULL,
                             intensity_above,
                             intensity_below/2,1,
                             bias_sigma, mri_not_control);
    else
    {
      mri_dst = MRIcopy(mri_src, NULL) ;
    }
  }
  fflush(stdout);
  fflush(stderr);

  if(mri_aseg)
  {
    MRI *mri_ctrl, *mri_bias ;
    int  i ;

    printf("processing with aseg\n");

    mri_ctrl = MRIclone(mri_aseg, NULL) ;
    for (i = 0 ; i < NWM_LABELS ; i++)
    {
      MRIcopyLabel(mri_aseg, mri_ctrl, aseg_wm_labels[i]) ;
    }
    printf("removing outliers in the aseg WM...\n") ;
    MRIremoveWMOutliersAndRetainMedialSurface(mri_dst,
        mri_ctrl,
        mri_ctrl,
        intensity_below) ;
    MRIbinarize(mri_ctrl, mri_ctrl, 1, CONTROL_NONE, CONTROL_MARKED) ;
    MRInormAddFileControlPoints(mri_ctrl, CONTROL_MARKED) ;

    if (interior_fname1)
    {
      MRIS *mris_interior1, *mris_interior2 ;
      mris_interior1 = MRISread(interior_fname1) ;
      if (mris_interior1 == NULL)
        ErrorExit(ERROR_NOFILE,
                  "%s: could not read white matter surface from %s\n",
                  Progname, interior_fname1) ;
      mris_interior2 = MRISread(interior_fname2) ;
      if (mris_interior2 == NULL)
        ErrorExit(ERROR_NOFILE,
                  "%s: could not read white matter surface from %s\n",
                  Progname, interior_fname2) ;
      add_interior_points(mri_ctrl,
                          mri_dst,
                          intensity_above,
                          1.25*intensity_below,
                          mris_interior1,
                          mris_interior2,
                          mri_aseg,
                          mri_ctrl) ;
      MRISfree(&mris_interior1) ;
      MRISfree(&mris_interior2) ;
    }
    if (Gdiag & DIAG_WRITE && DIAG_VERBOSE_ON)
    {
      MRIwrite(mri_ctrl, "norm_ctrl.mgz") ;
    }

    printf("Building bias image\n");
    fflush(stdout);
    fflush(stderr);
    mri_bias = MRIbuildBiasImage(mri_dst, mri_ctrl, NULL, 0.0) ;
    fflush(stdout);
    fflush(stderr);

    if (bias_sigma> 0)
    {
      printf("Smoothing with sigma %g\n",bias_sigma);
      MRI *mri_kernel = MRIgaussian1d(bias_sigma, -1) ;
      MRIconvolveGaussian(mri_bias, mri_bias, mri_kernel) ;
      MRIfree(&mri_kernel);
      fflush(stdout);
      fflush(stderr);
    }
    MRIfree(&mri_ctrl) ;
    MRIfree(&mri_aseg) ;
    printf("Applying bias correction\n");
    mri_dst = MRIapplyBiasCorrectionSameGeometry
              (mri_dst, mri_bias, mri_dst,
               DEFAULT_DESIRED_WHITE_MATTER_VALUE) ;
    if (Gdiag & DIAG_WRITE && DIAG_VERBOSE_ON)
    {
      MRIwrite(mri_dst, "norm_1.mgz") ;
    }
    fflush(stdout);
    fflush(stderr);
  } // if(mri_aseg)
  else
  {
    printf("processing without aseg, no1d=%d\n",no1d);
    if (!no1d)
    {
      printf("MRInormInit(): \n");
      MRInormInit(mri_src, &mni, 0, 0, 0, 0, 0.0f) ;
      printf("MRInormalize(): \n");
      mri_dst = MRInormalize(mri_src, NULL, &mni) ;
      if (!mri_dst)
      {
        no1d = 1 ;
        printf("1d normalization failed - trying no1d...\n") ;
        // ErrorExit(ERROR_BADPARM, "%s: normalization failed", Progname) ;
      }
    }
    if(no1d)
    {
      if ((file_only && nosnr) ||
          ((gentle_flag != 0) && (control_point_fname != NULL)))
      {
        if (mri_dst == NULL)
        {
          mri_dst = MRIcopy(mri_src, NULL) ;
        }
      }
      else
      {
        if (nosnr)
        {
          if (interior_fname1)
          {
            MRIS *mris_interior1, *mris_interior2 ;
            MRI  *mri_ctrl ;

            printf("computing initial normalization using surface interiors\n");
            mri_ctrl = MRIcloneDifferentType(mri_src, MRI_UCHAR) ;
            mris_interior1 = MRISread(interior_fname1) ;
            if (mris_interior1 == NULL)
              ErrorExit(ERROR_NOFILE,
                        "%s: could not read white matter surface from %s\n",
                        Progname, interior_fname1) ;
            mris_interior2 = MRISread(interior_fname2) ;
            if (mris_interior2 == NULL)
              ErrorExit(ERROR_NOFILE,
                        "%s: could not read white matter surface from %s\n",
                        Progname, interior_fname2) ;
            add_interior_points(mri_ctrl,
                                mri_dst,
                                intensity_above,
                                1.25*intensity_below,
                                mris_interior1,
                                mris_interior2,
                                mri_aseg,
                                mri_ctrl) ;
            MRISfree(&mris_interior1) ;
            MRISfree(&mris_interior2) ;
            mri_bias = MRIbuildBiasImage(mri_dst, mri_ctrl, NULL, 0.0) ;
            if (bias_sigma> 0)
            {
              MRI *mri_kernel = MRIgaussian1d(bias_sigma, -1) ;
              MRIconvolveGaussian(mri_bias, mri_bias, mri_kernel) ;
              MRIfree(&mri_kernel);
            }
            mri_dst = MRIapplyBiasCorrectionSameGeometry
                      (mri_src,
                       mri_bias,
                       mri_dst,
                       DEFAULT_DESIRED_WHITE_MATTER_VALUE) ;
            MRIfree(&mri_ctrl) ;
          }
          else if (long_flag == 0)  // no initial normalization specified
          {
            mri_dst = MRIcopy(mri_src, NULL) ;
          }
        }
        else
        {
          printf("computing initial normalization using SNR...\n") ;
          mri_dst = MRInormalizeHighSignalLowStd
                    (mri_src, mri_dst, bias_sigma,
                     DEFAULT_DESIRED_WHITE_MATTER_VALUE) ;
        }
      }
      if (!mri_dst)
        ErrorExit
        (ERROR_BADPARM, "%s: could not allocate volume", Progname) ;
    }
  } // else (not using aseg)
  fflush(stdout);
  fflush(stderr);

  if (file_only == 0)
    MRI3dGentleNormalize(mri_dst, NULL, DEFAULT_DESIRED_WHITE_MATTER_VALUE,
                         mri_dst,
                         intensity_above, intensity_below/2,
                         file_only, bias_sigma, mri_not_control);

  mri_orig = MRIcopy(mri_dst, NULL) ;
  printf("\n");
  printf("Iterating %d times\n",num_3d_iter);
  for (n = 0 ; n < num_3d_iter ; n++)
  {
    if(file_only)
    {
      break ;
    }

    printf( "---------------------------------\n");
    printf( "3d normalization pass %d of %d\n", n+1, num_3d_iter) ;
    if (gentle_flag)
      MRI3dGentleNormalize(mri_dst, NULL, DEFAULT_DESIRED_WHITE_MATTER_VALUE,
                           mri_dst,
                           intensity_above/2, intensity_below/2,
                           file_only, bias_sigma, mri_not_control);
    else
      MRI3dNormalize(mri_orig, mri_dst, DEFAULT_DESIRED_WHITE_MATTER_VALUE,
                     mri_dst,
                     intensity_above, intensity_below,
                     file_only, prune, bias_sigma, scan_type, mri_not_control);
  }
  printf( "Done iterating ---------------------------------\n");

  // this just setup writing control-point volume saving
  if(control_volume_fname)
  {
    MRI3dWriteControlPoints(control_volume_fname) ;
  }

  if(bias_volume_fname)
  {
    mri_bias = compute_bias(mri_src, mri_dst, NULL) ;
    printf("writing bias field to %s....\n", bias_volume_fname) ;
    MRIwrite(mri_bias, bias_volume_fname) ;
    MRIfree(&mri_bias) ;
  }

  if (verbose)
  {
    printf("writing output to %s\n", out_fname) ;
  }
  MRIwrite(mri_dst, out_fname) ;
  msec = TimerStop(&start) ;

  MRIfree(&mri_src);
  MRIfree(&mri_dst);

  seconds = nint((float)msec/1000.0f) ;
  minutes = seconds / 60 ;
  seconds = seconds % 60 ;
  printf( "3D bias adjustment took %d minutes and %d seconds.\n",
          minutes, seconds) ;
  exit(0) ;
  return(0) ;
}
Exemplo n.º 6
0
int
main(int argc, char *argv[])
{
  char         *gca_fname, *in_fname, *out_fname, **av, *xform_fname, fname[STRLEN] ;
  MRI          *mri_in, *mri_norm = NULL, *mri_tmp, *mri_ctrl = NULL ;
  GCA          *gca ;
  int          ac, nargs, nsamples, msec, minutes, seconds;
  int          i, struct_samples, norm_samples = 0, n, input, ninputs ;
  struct timeb start ;
  GCA_SAMPLE   *gcas, *gcas_norm = NULL, *gcas_struct ;
  TRANSFORM    *transform = NULL ;
  char         cmdline[CMD_LINE_LEN], line[STRLEN], *cp, subject[STRLEN], sdir[STRLEN], base_name[STRLEN] ;
  FILE         *fp ;

  make_cmd_version_string
    (argc, argv,
     "$Id: mri_cal_normalize.c,v 1.2.2.1 2011/08/31 00:32:41 nicks Exp $",
     "$Name: stable5 $", cmdline);

  /* rkt: check for and handle version tag */
  nargs = handle_version_option
    (argc, argv,
     "$Id: mri_cal_normalize.c,v 1.2.2.1 2011/08/31 00:32:41 nicks Exp $",
     "$Name: stable5 $");
  if (nargs && argc - nargs == 1)
    exit (0);
  argc -= nargs;

  setRandomSeed(-1L) ;
  Progname = argv[0] ;

  DiagInit(NULL, NULL, NULL) ;
  ErrorInit(NULL, NULL, NULL) ;

  ac = argc ;
  av = argv ;
  for ( ; argc > 1 && ISOPTION(*argv[1]) ; argc--, argv++)
  {
    nargs = get_option(argc, argv) ;
    argc -= nargs ;
    argv += nargs ;
  }

  if (argc < 6)
    ErrorExit
      (ERROR_BADPARM,
       "usage: %s [<options>] <longitudinal time point file> <in vol> <atlas> <transform file> <out vol> \n",
       Progname) ;
  in_fname = argv[2] ;
  gca_fname = argv[3] ;
  xform_fname = argv[4] ;
  out_fname = argv[5] ;

  transform = TransformRead(xform_fname) ;
  if (transform == NULL)
    ErrorExit(ERROR_NOFILE, "%s: could not read transform from %s", Progname, xform_fname) ;
  if (read_ctrl_point_fname)
  {
    mri_ctrl = MRIread(read_ctrl_point_fname) ;
    if (mri_ctrl == NULL)
      ErrorExit(ERROR_NOFILE, "%s: could not read precomputed control points from %s", 
                Progname, read_ctrl_point_fname) ;
  }
  TimerStart(&start) ;
  printf("reading atlas from '%s'...\n", gca_fname) ;
  fflush(stdout) ;

  gca = GCAread(gca_fname) ;
  if (gca == NULL)
    ErrorExit(ERROR_NOFILE, "%s: could not open GCA %s.\n",Progname, gca_fname) ;
  GCAregularizeConditionalDensities(gca, .5) ;

  FileNamePath(argv[1], sdir) ;
  cp = strrchr(sdir, '/') ; 
  if (cp)
  {
    strcpy(base_name, cp+1) ;
    *cp = 0 ;  // remove last component of path, which is base subject name
  }
  ninputs = 0 ;
  fp = fopen(argv[1], "r") ;
  if (fp == NULL)
    ErrorExit(ERROR_NOFILE, "%s: could not read time point file %s", argv[1]) ;

  do
  {
    cp = fgetl(line, STRLEN-1, fp) ;
    if (cp != NULL && strlen(cp) > 0)
    {
      subjects[ninputs] = (char *)calloc(strlen(cp)+1, sizeof(char)) ;
      strcpy(subjects[ninputs], cp) ;
      ninputs++ ;
    }
  } while (cp != NULL && strlen(cp) > 0) ;
  fclose(fp) ;
  printf("processing %d timepoints in SUBJECTS_DIR %s...\n", ninputs, sdir) ;
  for (input = 0 ; input < ninputs ; input++)
  {
    sprintf(subject, "%s.long.%s", subjects[input], base_name) ;
    printf("reading subject %s - %d of %d\n", subject, input+1, ninputs) ;
    sprintf(fname, "%s/%s/mri/%s", sdir, subject, in_fname) ;
    mri_tmp = MRIread(fname) ;
    if (!mri_tmp)
      ErrorExit(ERROR_NOFILE, "%s: could not read input MR volume from %s",
                Progname, fname) ;
    MRImakePositive(mri_tmp, mri_tmp) ;
    if (mri_tmp && ctrl_point_fname && !mri_ctrl)
    {
      mri_ctrl = MRIallocSequence(mri_tmp->width, mri_tmp->height, 
                                  mri_tmp->depth,MRI_FLOAT, nregions*2) ; // labels and means
      MRIcopyHeader(mri_tmp, mri_ctrl) ;
    }
    if (input == 0)
    {
      mri_in =
        MRIallocSequence(mri_tmp->width, mri_tmp->height, mri_tmp->depth,
                         mri_tmp->type, ninputs) ;
      if (!mri_in)
        ErrorExit(ERROR_NOMEMORY,
                  "%s: could not allocate input volume %dx%dx%dx%d",
                  mri_tmp->width,mri_tmp->height,mri_tmp->depth,ninputs) ;
      MRIcopyHeader(mri_tmp, mri_in) ;
    }

    if (mask_fname)
    {
      int i ;
      MRI *mri_mask ;

      mri_mask = MRIread(mask_fname) ;
      if (!mri_mask)
        ErrorExit(ERROR_NOFILE, "%s: could not open mask volume %s.\n",
                  Progname, mask_fname) ;

      for (i = 1 ; i < WM_MIN_VAL ; i++)
        MRIreplaceValues(mri_mask, mri_mask, i, 0) ;
      MRImask(mri_tmp, mri_mask, mri_tmp, 0, 0) ;
      MRIfree(&mri_mask) ;
    }
    MRIcopyFrame(mri_tmp, mri_in, 0, input) ;
    MRIfree(&mri_tmp) ;
  }
  MRIaddCommandLine(mri_in, cmdline) ;

  GCAhistoScaleImageIntensitiesLongitudinal(gca, mri_in, 1) ;

  {
    int j ;

    gcas = GCAfindAllSamples(gca, &nsamples, NULL, 1) ;
    printf("using %d sample points...\n", nsamples) ;
    GCAcomputeSampleCoords(gca, mri_in, gcas, nsamples, transform) ;
    if (sample_fname)
      GCAtransformAndWriteSamples
        (gca, mri_in, gcas, nsamples, sample_fname, transform) ;

    for (j = 0 ; j < 1 ; j++)
    {
      for (n = 1 ; n <= nregions ; n++)
      {
        for (norm_samples = i = 0 ; i < NSTRUCTURES ; i++)
        {
          if (normalization_structures[i] == Gdiag_no)
            DiagBreak() ;
          printf("finding control points in %s....\n",
                 cma_label_to_name(normalization_structures[i])) ;
          gcas_struct = find_control_points(gca, gcas, nsamples, &struct_samples, n,
                                            normalization_structures[i], mri_in, transform, min_prior,
                                            ctl_point_pct) ;
          discard_unlikely_control_points(gca, gcas_struct, struct_samples, mri_in, transform,
                                          cma_label_to_name(normalization_structures[i])) ;
          if (mri_ctrl && ctrl_point_fname) // store the samples
            copy_ctrl_points_to_volume(gcas_struct, struct_samples, mri_ctrl, n-1) ;
          if (i)
          {
            GCA_SAMPLE *gcas_tmp ;
            gcas_tmp = gcas_concatenate(gcas_norm, gcas_struct, norm_samples, struct_samples) ;
            free(gcas_norm) ;
            norm_samples += struct_samples ;
            gcas_norm = gcas_tmp ;
          }
          else
          {
            gcas_norm = gcas_struct ; norm_samples = struct_samples ;
          }
        }
        
        printf("using %d total control points "
                 "for intensity normalization...\n", norm_samples) ;
        if (normalized_transformed_sample_fname)
          GCAtransformAndWriteSamples(gca, mri_in, gcas_norm, norm_samples,
                                      normalized_transformed_sample_fname,
                                      transform) ;
        mri_norm = GCAnormalizeSamplesAllChannels(mri_in, gca, gcas_norm, file_only ? 0 :norm_samples,
                                                  transform, ctl_point_fname, bias_sigma) ;
        if (Gdiag & DIAG_WRITE)
        {
          char fname[STRLEN] ;
          sprintf(fname, "norm%d.mgz", n) ;
          printf("writing normalized volume to %s...\n", fname) ;
          MRIwrite(mri_norm, fname) ;
          sprintf(fname, "norm_samples%d.mgz", n) ;
          GCAtransformAndWriteSamples(gca, mri_in, gcas_norm, norm_samples,
                                      fname, transform) ;
          
        }
        MRIcopy(mri_norm, mri_in) ;  /* for next pass through */
        MRIfree(&mri_norm) ;
      }
    }
  }

  // now do cross-time normalization to bring each timepoint closer to the mean at each location
  {
    MRI   *mri_frame1, *mri_frame2, *mri_tmp ;
    double rms_before, rms_after ;
    int    i ;

    mri_tmp = MRIcopy(mri_in, NULL) ;
    mri_frame1 = MRIcopyFrame(mri_in, NULL, 0, 0) ;
    mri_frame2 = MRIcopyFrame(mri_in, NULL, 1, 0) ;
    rms_before = MRIrmsDiff(mri_frame1, mri_frame2) ;
    printf("RMS before = %2.2f\n", rms_before) ;
    MRIfree(&mri_frame1) ; MRIfree(&mri_frame2) ;
    for (i = 50 ; i <= 50 ; i += 25)
    {
      MRIcopy(mri_tmp, mri_in) ;
      normalize_timepoints_with_samples(mri_in, gcas_norm, norm_samples, i) ;
      mri_frame1 = MRIcopyFrame(mri_in, NULL, 0, 0) ;
      mri_frame2 = MRIcopyFrame(mri_in, NULL, 1, 0) ;
      rms_after = MRIrmsDiff(mri_frame1, mri_frame2) ;
      MRIfree(&mri_frame1) ; MRIfree(&mri_frame2) ;
      printf("RMS after (%d) = %2.2f\n", i, rms_after) ;
    }
  }
  {
    MRI   *mri_frame1, *mri_frame2 ;
    double rms_after ;
    int    i ;

    mri_tmp = MRIcopy(mri_in, NULL) ;
    for (i = 10 ; i <= 10 ; i += 10)
    {
      MRIcopy(mri_tmp, mri_in) ;
      normalize_timepoints(mri_in, 2.0, i) ;
      mri_frame1 = MRIcopyFrame(mri_in, NULL, 0, 0) ;
      mri_frame2 = MRIcopyFrame(mri_in, NULL, 1, 0) ;
      rms_after = MRIrmsDiff(mri_frame1, mri_frame2) ;
      MRIfree(&mri_frame1) ; MRIfree(&mri_frame2) ;
      printf("RMS after intensity cohering = %2.2f\n", rms_after) ;
    }
  }

  for (input = 0 ; input < ninputs ; input++)
  {
    sprintf(fname, "%s/%s.long.%s/mri/%s", sdir, subjects[input], base_name, out_fname) ;
    printf("writing normalized volume to %s...\n", fname) ;
    if (MRIwriteFrame(mri_in, fname, input)  != NO_ERROR)
      ErrorExit(ERROR_BADFILE, "%s: could not write normalized volume to %s",Progname, fname);
  }

  if (ctrl_point_fname)
  {
    printf("writing control points to %s\n", ctrl_point_fname) ;
    MRIwrite(mri_ctrl, ctrl_point_fname) ;
    MRIfree(&mri_ctrl) ;
  }
  MRIfree(&mri_in) ;

  printf("freeing GCA...") ;
  if (gca)
    GCAfree(&gca) ;
  printf("done.\n") ;
  msec = TimerStop(&start) ;
  seconds = nint((float)msec/1000.0f) ;
  minutes = seconds / 60 ;
  seconds = seconds % 60 ;
  printf("normalization took %d minutes and %d seconds.\n",
         minutes, seconds) ;
  if (diag_fp)
    fclose(diag_fp) ;
  exit(0) ;
  return(0) ;
}
Exemplo n.º 7
0
int
main(int argc, char *argv[])
{
  char **av, *surf_fname, *template_fname, *out_fname, fname[STRLEN],*cp;
  int ac, nargs,err, msec ;
  MRI_SURFACE  *mris ;
  MRI_SP       *mrisp_template ;

  char cmdline[CMD_LINE_LEN] ;
  struct  timeb start ;

  make_cmd_version_string
  (argc, argv,
   "$Id: mris_register.c,v 1.59 2011/03/02 00:04:33 nicks Exp $",
   "$Name: stable5 $",
   cmdline);

  /* rkt: check for and handle version tag */
  nargs = handle_version_option
          (argc, argv,
           "$Id: mris_register.c,v 1.59 2011/03/02 00:04:33 nicks Exp $",
           "$Name: stable5 $");
  if (nargs && argc - nargs == 1)
  {
    exit (0);
  }
  argc -= nargs;

  TimerStart(&start) ;
  Progname = argv[0] ;
  ErrorInit(NULL, NULL, NULL) ;
  DiagInit(NULL, NULL, NULL) ;

  memset(&parms, 0, sizeof(parms)) ;
  parms.projection = PROJECT_SPHERE ;
  parms.flags |= IP_USE_CURVATURE ;
  parms.tol = 0.5 ;    // was 1e-0*2.5
  parms.min_averages = 0 ;
  parms.l_area = 0.0 ;
  parms.l_parea = 0.1f ;  // used to be 0.2
  parms.l_dist = 5.0 ; // used to be 0.5, and before that 0.1
  parms.l_corr = 1.0f ;
  parms.l_nlarea = 1 ;
  parms.l_pcorr = 0.0f ;
  parms.niterations = 25 ;
  parms.n_averages = 1024 ;   // used to be 256
  parms.write_iterations = 100 ;
  parms.dt_increase = 1.01 /* DT_INCREASE */;
  parms.dt_decrease = 0.99 /* DT_DECREASE*/ ;
  parms.error_ratio = 1.03 /*ERROR_RATIO */;
  parms.dt_increase = 1.0 ;
  parms.dt_decrease = 1.0 ;
  parms.l_external = 10000 ;   /* in case manual label is specified */
  parms.error_ratio = 1.1 /*ERROR_RATIO */;
  parms.integration_type = INTEGRATE_ADAPTIVE ;
  parms.integration_type = INTEGRATE_MOMENTUM /*INTEGRATE_LINE_MINIMIZE*/ ;
  parms.integration_type = INTEGRATE_LINE_MINIMIZE ;
  parms.dt = 0.9 ;
  parms.momentum = 0.95 ;
  parms.desired_rms_height = -1.0 ;
  parms.nbhd_size = -10 ;
  parms.max_nbrs = 10 ;

  ac = argc ;
  av = argv ;
  for ( ; argc > 1 && ISOPTION(*argv[1]) ; argc--, argv++)
  {
    nargs = get_option(argc, argv) ;
    argc -= nargs ;
    argv += nargs ;
  }

  if (nsigmas > 0)
  {
    MRISsetRegistrationSigmas(sigmas, nsigmas) ;
  }
  parms.which_norm = which_norm ;
  if (argc < 4)
  {
    usage_exit() ;
  }

  printf("%s\n", vcid) ;
  printf("  %s\n",MRISurfSrcVersion());
  fflush(stdout);

  surf_fname = argv[1] ;
  template_fname = argv[2] ;
  out_fname = argv[3] ;

  if (parms.base_name[0] == 0)
  {
    FileNameOnly(out_fname, fname) ;
    cp = strchr(fname, '.') ;
    if (cp)
    {
      strcpy(parms.base_name, cp+1) ;
    }
    else
    {
      strcpy(parms.base_name, "sphere") ;
    }
  }

  fprintf(stderr, "reading surface from %s...\n", surf_fname) ;
  mris = MRISread(surf_fname) ;
  if (!mris)
    ErrorExit(ERROR_NOFILE, "%s: could not read surface file %s",
              Progname, surf_fname) ;

  if (parms.var_smoothness)
  {
    parms.vsmoothness = (float *)calloc(mris->nvertices, sizeof(float)) ;
    if (parms.vsmoothness == NULL)
    {
      ErrorExit(ERROR_NOMEMORY, "%s: could not allocate vsmoothness array",
                Progname) ;
    }
    parms.dist_error = (float *)calloc(mris->nvertices, sizeof(float)) ;
    if (parms.dist_error == NULL)
    {
      ErrorExit(ERROR_NOMEMORY, "%s: could not allocate dist_error array",
                Progname) ;
    }
    parms.area_error = (float *)calloc(mris->nvertices, sizeof(float)) ;
    if (parms.area_error == NULL)
    {
      ErrorExit(ERROR_NOMEMORY, "%s: could not allocate area_error array",
                Progname) ;
    }
    parms.geometry_error = (float *)calloc(mris->nvertices, sizeof(float)) ;
    if (parms.geometry_error == NULL)
    {
      ErrorExit(ERROR_NOMEMORY, "%s: could not allocate geometry_error array",
                Progname) ;
    }
  }

  MRISresetNeighborhoodSize(mris, 1) ;
  if (annot_name)
  {
    if (MRISreadAnnotation(mris, annot_name) != NO_ERROR)
      ErrorExit(ERROR_BADPARM,
                "%s: could not read annot file %s",
                Progname, annot_name) ;
    MRISripMedialWall(mris) ;
  }

  MRISsaveVertexPositions(mris, TMP2_VERTICES) ;
  MRISaddCommandLine(mris, cmdline) ;
  if (!FZERO(dalpha) || !FZERO(dbeta) || !FZERO(dgamma))
    MRISrotate(mris, mris, RADIANS(dalpha), RADIANS(dbeta),
               RADIANS(dgamma)) ;

  if (curvature_fname[0])
  {
    fprintf(stderr, "reading source curvature from %s\n",curvature_fname) ;
    MRISreadCurvatureFile(mris, curvature_fname) ;
  }
  if (single_surf)
  {
    char        fname[STRLEN], *cp, surf_dir[STRLEN], hemi[10]  ;
    MRI_SURFACE *mris_template ;
    int         sno, tnbrs=3 ;

    FileNamePath(template_fname, surf_dir) ;
    cp = strrchr(template_fname, '/') ;
    if (cp == NULL) // no path - start from beginning of file name
    {
      cp = template_fname ;
    }
    cp = strchr(cp, '.') ;
    if (cp == NULL)
      ErrorExit(ERROR_NOFILE,
                "%s: could no scan hemi from %s",
                Progname, template_fname) ;
    strncpy(hemi, cp-2, 2) ;
    hemi[2] = 0 ;
    fprintf(stderr, "reading spherical surface %s...\n", template_fname) ;
    mris_template = MRISread(template_fname) ;
    if (mris_template == NULL)
    {
      ErrorExit(ERROR_NOFILE, "") ;
    }
#if 0
    if (reverse_flag)
    {
      MRISreverse(mris_template, REVERSE_X, 1) ;
    }
#endif
    MRISsaveVertexPositions(mris_template, CANONICAL_VERTICES) ;
    MRIScomputeMetricProperties(mris_template) ;
    MRISstoreMetricProperties(mris_template) ;

    if (noverlays > 0)
    {
      mrisp_template = MRISPalloc(scale, IMAGES_PER_SURFACE*noverlays);
      for (sno = 0; sno < noverlays ; sno++)
      {
        sprintf(fname, "%s/../label/%s.%s", surf_dir, hemi, overlays[sno]) ;
        if (MRISreadValues(mris_template, fname)  != NO_ERROR)
          ErrorExit(ERROR_NOFILE,
                    "%s: could not read overlay from %s",
                    Progname, fname) ;
        MRIScopyValuesToCurvature(mris_template) ;
        MRISaverageCurvatures(mris_template, navgs) ;
        MRISnormalizeCurvature(mris_template, which_norm) ;
        fprintf(stderr,
                "computing parameterization for overlay %s...\n",
                fname);
        MRIStoParameterization(mris_template, mrisp_template, scale, sno*3) ;
        MRISPsetFrameVal(mrisp_template, sno*3+1, 1.0) ;
      }
    }
    else
    {
      mrisp_template = MRISPalloc(scale, PARAM_IMAGES);
      for (sno = 0; sno < SURFACES ; sno++)
      {
        if (curvature_names[sno])  /* read in precomputed curvature file */
        {
          sprintf(fname, "%s/%s.%s", surf_dir, hemi, curvature_names[sno]) ;
          if (MRISreadCurvatureFile(mris_template, fname) != NO_ERROR)
            ErrorExit(Gerror,
                      "%s: could not read curvature file '%s'\n",
                      Progname, fname) ;

          /* the two next lines were not in the original code */
          MRISaverageCurvatures(mris_template, navgs) ;
          MRISnormalizeCurvature(mris_template, which_norm) ;
        }
        else                         /* compute curvature of surface */
        {
          sprintf(fname, "%s/%s.%s", surf_dir, hemi, surface_names[sno]) ;
          if (MRISreadVertexPositions(mris_template, fname) != NO_ERROR)
            ErrorExit(ERROR_NOFILE,
                      "%s: could not read surface file %s",
                      Progname, fname) ;

          if (tnbrs > 1)
          {
            MRISresetNeighborhoodSize(mris_template, tnbrs) ;
          }
          MRIScomputeMetricProperties(mris_template) ;
          MRIScomputeSecondFundamentalForm(mris_template) ;
          MRISuseMeanCurvature(mris_template) ;
          MRISaverageCurvatures(mris_template, navgs) ;
          MRISrestoreVertexPositions(mris_template, CANONICAL_VERTICES) ;
          MRISnormalizeCurvature(mris_template, which_norm) ;
        }
        fprintf(stderr,
                "computing parameterization for surface %s...\n",
                fname);
        MRIStoParameterization(mris_template, mrisp_template, scale, sno*3) ;
        MRISPsetFrameVal(mrisp_template, sno*3+1, 1.0) ;
      }
    }
  }
  else
  {
    fprintf(stderr, "reading template parameterization from %s...\n",
            template_fname) ;
    mrisp_template = MRISPread(template_fname) ;
    if (!mrisp_template)
      ErrorExit(ERROR_NOFILE, "%s: could not open template file %s",
                Progname, template_fname) ;
    if (noverlays > 0)
    {
      if (mrisp_template->Ip->num_frame != IMAGES_PER_SURFACE*noverlays)
        ErrorExit(ERROR_BADPARM,
                  "template frames (%d) doesn't match input (%d x %d) = %d\n",
                  mrisp_template->Ip->num_frame, IMAGES_PER_SURFACE,noverlays,
                  IMAGES_PER_SURFACE*noverlays) ;
    }
  }
  if (use_defaults)
  {
    if (*IMAGEFseq_pix(mrisp_template->Ip, 0, 0, 2) <= 1.0)  /* 1st time */
    {
      parms.l_dist = 5.0 ;
      parms.l_corr = 1.0 ;
      parms.l_parea = 0.2 ;
    }
    else   /* subsequent alignments */
    {
      parms.l_dist = 5.0 ;
      parms.l_corr = 1.0 ;
      parms.l_parea = 0.2 ;
    }
  }

  if (nbrs > 1)
  {
    MRISresetNeighborhoodSize(mris, nbrs) ;
  }
  MRISprojectOntoSphere(mris, mris, DEFAULT_RADIUS) ;
  mris->status = MRIS_PARAMETERIZED_SPHERE ;
  MRIScomputeMetricProperties(mris) ;
  if (!FZERO(parms.l_dist))
  {
    MRISscaleDistances(mris, scale) ;
  }
#if 0
  MRISsaveVertexPositions(mris, ORIGINAL_VERTICES) ;
  MRISzeroNegativeAreas(mris) ;
  MRISstoreMetricProperties(mris) ;
#endif
  MRISstoreMeanCurvature(mris) ;  /* use curvature from file */
  MRISsetOriginalFileName(orig_name) ;
  if (inflated_name)
  {
    MRISsetInflatedFileName(inflated_name) ;
  }
  err = MRISreadOriginalProperties(mris, orig_name) ;
  if (err != 0)
  {
    printf("ERROR %d from MRISreadOriginalProperties().\n",err);
    exit(1);
  }

  if (MRISreadCanonicalCoordinates(mris, canon_name) != NO_ERROR)
    ErrorExit(ERROR_BADFILE, "%s: could not read canon surface %s",
              Progname, canon_name) ;

  if (reverse_flag)
  {
    MRISreverse(mris, REVERSE_X, 1) ;
    MRISsaveVertexPositions(mris, TMP_VERTICES) ;
    MRISrestoreVertexPositions(mris, CANONICAL_VERTICES) ;
    MRISreverse(mris, REVERSE_X, 0) ;
    MRISsaveVertexPositions(mris, CANONICAL_VERTICES) ;
    MRISrestoreVertexPositions(mris, TMP_VERTICES) ;
    MRIScomputeMetricProperties(mris) ;
  }
#if 0
  MRISsaveVertexPositions
  (mris, CANONICAL_VERTICES) ;  // uniform spherical positions
#endif
  if (starting_reg_fname)
    if (MRISreadVertexPositions(mris, starting_reg_fname) != NO_ERROR)
    {
      exit(Gerror) ;
    }

  if (multiframes)
  {
    if (use_initial_registration)
      MRISvectorRegister(mris, mrisp_template, &parms, max_passes,
                         min_degrees, max_degrees, nangles) ;
    parms.l_corr=parms.l_pcorr=0.0f;
#if 0
    parms.l_dist = 0.0 ;
    parms.l_corr = 0.0 ;
    parms.l_parea = 0.0 ;
    parms.l_area = 0.0 ;
    parms.l_parea = 0.0f ;
    parms.l_dist = 0.0 ;
    parms.l_corr = 0.0f ;
    parms.l_nlarea = 0.0f ;
    parms.l_pcorr = 0.0f ;
#endif
    MRISvectorRegister(mris,
                       mrisp_template,
                       &parms,
                       max_passes,
                       min_degrees,
                       max_degrees,
                       nangles) ;
  }
  else
  {
    double l_dist = parms.l_dist ;
    if (multi_scale > 0)
    {
      int i ;

      parms.l_dist = l_dist * pow(5.0, (multi_scale-1.0)) ;
      parms.flags |= IPFLAG_NOSCALE_TOL ;
      parms.flags &= ~IP_USE_CURVATURE ;
      for (i = 0 ; i < multi_scale ; i++)
      {
        printf("*************** round %d, l_dist = %2.3f **************\n", i,
               parms.l_dist) ;
        MRISregister(mris, mrisp_template,
                     &parms, max_passes,
                     min_degrees, max_degrees, nangles) ;
        parms.flags |= IP_NO_RIGID_ALIGN ;
        parms.flags &= ~IP_USE_INFLATED ;
        parms.l_dist /= 5 ;
      }

      if (parms.nbhd_size < 0)
      {
        parms.nbhd_size *= -1 ;
        printf("**** starting 2nd epoch, with long-range distances *****\n");
        parms.l_dist = l_dist * pow(5.0, (multi_scale-2.0)) ;
        for (i = 1 ; i < multi_scale ; i++)
        {
          printf("*********** round %d, l_dist = %2.3f *************\n", i,
                 parms.l_dist) ;
          MRISregister(mris, mrisp_template,
                       &parms, max_passes,
                       min_degrees, max_degrees, nangles) ;
          parms.l_dist /= 5 ;
        }
      }
      printf("****** final curvature registration ***************\n") ;
      if (parms.nbhd_size > 0)
      {
        parms.nbhd_size *= -1 ;  // disable long-range stuff
      }
      parms.l_dist *= 5 ;
      parms.flags |= (IP_USE_CURVATURE | IP_NO_SULC);
      MRISregister(mris, mrisp_template,
                   &parms, max_passes,
                   min_degrees, max_degrees, nangles) ;
    }
    else
      MRISregister(mris, mrisp_template,
                   &parms, max_passes,
                   min_degrees, max_degrees, nangles) ;

  }
  if (remove_negative)
  {
    parms.niterations = 1000 ;
    MRISremoveOverlapWithSmoothing(mris,&parms) ;
  }
  fprintf(stderr, "writing registered surface to %s...\n", out_fname) ;
  MRISwrite(mris, out_fname) ;
  if (jacobian_fname)
  {
    MRIScomputeMetricProperties(mris) ;
    compute_area_ratios(mris) ;  /* will put results in v->curv */
#if 0
    MRISwriteArea(mris, jacobian_fname) ;
#else
    MRISwriteCurvature(mris, jacobian_fname) ;
#endif
  }

  msec = TimerStop(&start) ;
  if (Gdiag & DIAG_SHOW)
    printf("registration took %2.2f hours\n",
           (float)msec/(1000.0f*60.0f*60.0f));
  MRISPfree(&mrisp_template) ;
  MRISfree(&mris) ;
  exit(0) ;
  return(0) ;  /* for ansi */
}
Exemplo n.º 8
0
int
main(int argc, char *argv[]) {
  char         *gca_fname, *in_fname, **av, *xform_fname ;
  MRI          *mri_in, *mri_tmp, *mri_orig = NULL ;
  GCA          *gca ;
  int          ac, nargs, input, ninputs ;
  TRANSFORM    *transform = NULL ;
  char         cmdline[CMD_LINE_LEN] ;
  double       ll ;

  make_cmd_version_string
  (argc, argv,
   "$Id: mri_log_likelihood.c,v 1.4 2011/03/02 00:04:22 nicks Exp $",
   "$Name: stable5 $", cmdline);

  /* rkt: check for and handle version tag */
  nargs = handle_version_option
          (argc, argv,
           "$Id: mri_log_likelihood.c,v 1.4 2011/03/02 00:04:22 nicks Exp $",
           "$Name: stable5 $");
  if (nargs && argc - nargs == 1)
    exit (0);
  argc -= nargs;

  setRandomSeed(-1L) ;
  Progname = argv[0] ;

  DiagInit(NULL, NULL, NULL) ;
  ErrorInit(NULL, NULL, NULL) ;

  ac = argc ;
  av = argv ;
  for ( ; argc > 1 && ISOPTION(*argv[1]) ; argc--, argv++) {
    nargs = get_option(argc, argv) ;
    argc -= nargs ;
    argv += nargs ;
  }

  if (argc < 3)
    ErrorExit
    (ERROR_BADPARM,
     "usage: %s [<options>] <inbrain1> <inbrain2> ... "
     "<atlas> <transform file> ...\n",
     Progname) ;

  ninputs = (argc - 1) / 2 ;
  if (DIAG_VERBOSE_ON)
    printf("reading %d input volume%ss\n", ninputs, ninputs > 1 ? "s" : "") ;
  in_fname = argv[1] ;
  gca_fname = argv[1+ninputs] ;
  xform_fname = argv[2+ninputs] ;
  transform = TransformRead(xform_fname) ;
  if (!transform)
    ErrorExit(ERROR_NOFILE, "%s: could not read input transform from %s",
              Progname, xform_fname) ;

  if (DIAG_VERBOSE_ON)
    printf("reading atlas from '%s'...\n", gca_fname) ;
  gca = GCAread(gca_fname) ;
  if (!gca)
    ErrorExit(ERROR_NOFILE, "%s: could not read input atlas from %s",
              Progname, gca_fname) ;

  fflush(stdout) ;
  for (input = 0 ; input < ninputs ; input++) {
    in_fname = argv[1+input] ;
    if (DIAG_VERBOSE_ON)
      printf("reading input volume from %s...\n", in_fname) ;
    mri_tmp = MRIread(in_fname) ;
    if (!mri_tmp)
      ErrorExit(ERROR_NOFILE, "%s: could not read input MR volume from %s",
                Progname, in_fname) ;
    MRImakePositive(mri_tmp, mri_tmp) ;
    if (input == 0) {
      mri_in =
        MRIallocSequence(mri_tmp->width, mri_tmp->height, mri_tmp->depth,
                         mri_tmp->type, ninputs) ;
      if (!mri_in)
        ErrorExit(ERROR_NOMEMORY,
                  "%s: could not allocate input volume %dx%dx%dx%d",
                  mri_tmp->width,mri_tmp->height,mri_tmp->depth,ninputs) ;
      MRIcopyHeader(mri_tmp, mri_in) ;
    }

    MRIcopyFrame(mri_tmp, mri_in, 0, input) ;
    MRIfree(&mri_tmp) ;
  }
  MRIaddCommandLine(mri_in, cmdline) ;

  TransformInvert(transform, mri_in) ;

  if (orig_fname) {
    mri_orig = MRIread(orig_fname) ;
    if (mri_orig == NULL)
      ErrorExit(ERROR_NOFILE, "%s: could not read orig volume from %s", Progname, orig_fname) ;
  }
  ll = GCAimageLogLikelihood(gca, mri_in, transform, 1, mri_orig) ;
  printf("%2.0f\n", 10000*ll) ;

  MRIfree(&mri_in) ;

  if (gca)
    GCAfree(&gca) ;
  if (mri_in)
    MRIfree(&mri_in) ;
  exit(0) ;
  return(0) ;
}
Exemplo n.º 9
0
int
main(int argc, char *argv[]) {
  char        **av, *out_fname, *T1_fname, *PD_fname ;
  int         ac, nargs ;
  MRI         *mri_T1, *mri_PD, *mri_out, *mri_T2star = NULL ;
  float       TR, TE, alpha ;

  char cmdline[CMD_LINE_LEN] ;

  make_cmd_version_string (argc, argv, "$Id: mri_synthesize.c,v 1.18 2011/03/02 00:04:25 nicks Exp $", "$Name:  $", cmdline);

  /* rkt: check for and handle version tag */
  nargs = handle_version_option (argc, argv, "$Id: mri_synthesize.c,v 1.18 2011/03/02 00:04:25 nicks Exp $", "$Name:  $");
  if (nargs && argc - nargs == 1)
    exit (0);
  argc -= nargs;

  Progname = argv[0] ;
  ErrorInit(NULL, NULL, NULL) ;
  DiagInit(NULL, NULL, NULL) ;

  ac = argc ;
  av = argv ;
  for ( ; argc > 1 && ISOPTION(*argv[1]) ; argc--, argv++) {
    nargs = get_option(argc, argv) ;
    argc -= nargs ;
    argv += nargs ;
  }

  if (argc < 7)
    usage_exit() ;

  TR = atof(argv[1]) ;
  alpha = atof(argv[2]) ;
  TE = atof(argv[3]) ;
  T1_fname = argv[4] ;
  PD_fname = argv[5] ;
  out_fname = argv[6] ;

  printf("reading T1 volume from %s...\n", T1_fname) ;
  mri_T1 = MRIread(T1_fname) ;
  if (!mri_T1)
    ErrorExit(ERROR_NOFILE, "%s: could not read T1 volume %s", Progname,
              T1_fname) ;
  if (extract) {
    MRI *mri_tmp ;
    int dx, dy, dz ;

    dx = mri_T1->width/2 ;
    dy = mri_T1->height/2 ;
    dz = mri_T1->depth/2 ;
    printf("extracting interior %dx%dx%d\n", dx, dy, dz) ;
    mri_tmp = MRIextract(mri_T1, NULL, dx/2, dy/2, dz/2, dx, dy, dz) ;
    MRIfree(&mri_T1) ;
    mri_T1 = mri_tmp ;
  }
  if (jpdf_name) {
    transform_T1_values_using_joint_pdf(mri_T1, jpdf_name, invert) ;
  }

  printf("reading PD volume from %s...\n", PD_fname) ;
  mri_PD = MRIread(PD_fname) ;
  if (!mri_PD)
    ErrorExit(ERROR_NOFILE, "%s: could not read PD volume %s", Progname,
              PD_fname) ;

  if (T2star_fname != NULL) {
    printf("reading T2* volume from %s...\n", T2star_fname) ;
    mri_T2star = MRIread(T2star_fname) ;
    if (!mri_T2star)
      ErrorExit(ERROR_NOFILE, "%s: could not read T2* volume %s", Progname,
                T2star_fname) ;
  }

  if (PDsat > 0)
    saturate_PD(mri_PD, PDsat) ;
  if (extract) {
    MRI *mri_tmp ;
    int dx, dy, dz ;

    dx = mri_PD->width/2 ;
    dy = mri_PD->height/2 ;
    dz = mri_PD->depth/2 ;
    mri_tmp = MRIextract(mri_PD, NULL, dx/2, dy/2, dz/2, dx, dy, dz) ;
    MRIfree(&mri_PD) ;
    mri_PD = mri_tmp ;
  }
  if (use_weighting) {
    mri_out = MRIsynthesizeWeightedVolume(mri_T1, mri_PD, w5, TR, w30, TR, 110,TE);
  } else {
    printf("synthesizing volume with TR=%2.1f msec, TE=%2.1f msec, and alpha=%2.2f degrees...\n",
           TR, TE, alpha) ;
    if (normalize)
      normalize_PD(mri_PD, 1000) ;
    if (discard)
      discard_PD(mri_PD, 250, 1500) ;
    if (nl_remap_T1)
      remap_T1(mri_T1, nl_mean, nl_scale) ;
    if (nfaf > 0)
      mri_out = MRIsynthesizeWithFAF(mri_T1, mri_PD, NULL, TR, RADIANS(alpha), TE, nfaf, faf_coefs) ;
    else
      mri_out = MRIsynthesize(mri_T1, mri_PD, mri_T2star, NULL, TR, RADIANS(alpha), TE) ;
  }

  if (nbias > 0)
    apply_bias_field(mri_out, nbias, bias_coefs) ;
  printf("writing output to %s.\n", out_fname) ;
  MRIaddCommandLine(mri_out, cmdline) ;
  MRIwrite(mri_out, out_fname) ;

  exit(0) ;
  return(0) ;  /* for ansi */
}
Exemplo n.º 10
0
int
main(int argc, char *argv[])
{
  char               **av, *in_fname, *out_fname, fname[STRLEN], path[STRLEN] ;
  int                ac, nargs, start_t, pass ;
  MRI_SURFACE        *mris ;

  char cmdline[CMD_LINE_LEN] ;

  make_cmd_version_string
  (argc, argv,
   "$Id: mris_smooth.c,v 1.28 2011/03/02 00:04:34 nicks Exp $",
   "$Name: stable5 $", cmdline);

  /* rkt: check for and handle version tag */
  nargs = handle_version_option
          (argc, argv,
           "$Id: mris_smooth.c,v 1.28 2011/03/02 00:04:34 nicks Exp $",
           "$Name: stable5 $");
  if (nargs && argc - nargs == 1)
  {
    exit (0);
  }
  argc -= nargs;

  Progname = argv[0] ;
  ErrorInit(NULL, NULL, NULL) ;
  DiagInit(NULL, NULL, NULL) ;

  ac = argc ;
  av = argv ;
  for ( ; argc > 1 && ISOPTION(*argv[1]) ; argc--, argv++)
  {
    nargs = get_option(argc, argv) ;
    argc -= nargs ;
    argv += nargs ;
  }

  if (argc < 3)
  {
    print_help() ;
  }

  in_fname = argv[1] ;
  out_fname = argv[2] ;
  FileNamePath(out_fname, path) ;

  mris = MRISfastRead(in_fname) ;
  if (!mris)
    ErrorExit(ERROR_NOFILE, "%s: could not read surface file %s",
              Progname, in_fname) ;

  MRISaddCommandLine(mris, cmdline) ;
  MRISremoveTriangleLinks(mris) ;
  fprintf(stderr, "smoothing surface tessellation for %d iterations...\n",
          niterations);

  MRIScomputeMetricProperties(mris) ;
  MRISstoreMetricProperties(mris) ;
  MRISsetNeighborhoodSize(mris, nbrs) ;
#define DT 0.5
  if (gaussian_norm > 0)
  {
    int i, done, start_avgs = gaussian_avgs, j ;

    done = 0;
    start_t = 0 ;
    pass = 0 ;
    do
    {
      for (i = start_t ; i < niterations+start_t ; i++)
      {
        MRIScomputeMetricProperties(mris) ;
        MRISsaveVertexPositions(mris, TMP_VERTICES) ;
        for (j = 0 ; j < 5 ; j++)
        {
          MRISaverageVertexPositions(mris, 2) ; // turn flat spikes into tubular ones
          MRIScomputeMetricProperties(mris) ;
          MRIScomputeSecondFundamentalForm(mris) ;
          MRIShistoThresholdGaussianCurvatureToMarked(mris, (float)(mris->nvertices-20)/mris->nvertices) ;
        }
        MRISrestoreVertexPositions(mris, TMP_VERTICES) ;
        MRIScomputeMetricProperties(mris) ;
        MRISsmoothSurfaceNormals(mris, gaussian_avgs) ;
        MRISclearMarks(mris) ;
        MRISthresholdGaussianCurvatureToMarked(mris, 10, 50);
        MRIScomputeSecondFundamentalForm(mris) ;
        MRIShistoThresholdGaussianCurvatureToMarked(mris, (float)(mris->nvertices-20)/mris->nvertices) ;
        MRISthresholdGaussianCurvatureToMarked(mris, 10, 50);
        if ((write_iterations > 0) && ((i % write_iterations) == 0))
        {
          char fname[STRLEN] ;

          sprintf(fname, "%s%04d", out_fname, i) ;
          printf("writing snapshot to %s...\n", fname) ;
          MRISwrite(mris, fname) ;
          if (Gdiag & DIAG_WRITE)
          {
            MRISuseGaussianCurvature(mris) ;
            sprintf(fname, "%s_K%04d", out_fname, i) ;
            printf("writing curvature to %s...\n", fname) ;
            MRISwriteCurvature(mris, fname) ;
            sprintf(fname, "%s_marked%04d", out_fname, i) ;
            printf("writing marks to %s...\n", fname) ;
            MRISwriteMarked(mris, fname) ;
          }
        }
        for (j = 0 ; j <= 5*nint(1/DT) ; j++)
        {
          MRISmarkedSpringTerm(mris, l_spring) ;
          MRISaverageGradients(mris, gaussian_avgs) ;
          MRISmomentumTimeStep(mris, momentum, DT, 1, gaussian_avgs) ;
          MRISclearGradient(mris) ;
          MRIScomputeMetricProperties(mris) ;
          MRISsmoothSurfaceNormals(mris, gaussian_avgs) ;
          {
            int vno ;
            VERTEX *v ;

            for (vno = 0 ; vno < mris->nvertices ; vno++)
            {
              v = &mris->vertices[vno] ;
              if (v->marked > 0)
              {
                v->K = 1.0/(v->marked) ;
              }
              else
              {
                v->K = 0 ;
              }
            }
          }
        }
      }
      MRISclearGradient(mris) ;
      if (gaussian_avgs == 2)
      {
        if (pass++ > 4)
        {
          done = 1 ;
        }
        else
        {
          int num = count_big_curvatures(mris, 2) ;
          printf("------------------------------------------------------\n") ;
          printf("------------------------------------------------------\n") ;
          printf("------------------ pass %d (num=%d) ------------------\n",
                 pass, num) ;
          printf("------------------------------------------------------\n") ;
          printf("------------------------------------------------------\n") ;
          gaussian_avgs = start_avgs ;
        }
      }
      else
      {
        gaussian_avgs /= 2 ;
        if (done ==0)
        {
          printf("----------------- setting avgs to %d -----------------\n", gaussian_avgs) ;
        }
      }
      start_t = i ;
    }
    while (!done) ;

#if 0
    // more smoothing with principal curvatures
    gaussian_avgs = start_avgs ;
    printf("--------------------------------------------------------------------------\n") ;
    printf("--------------------------------------------------------------------------\n") ;
    printf("---------------------- starting threshold smoothing ----------------------\n") ;
    printf("--------------------------------------------------------------------------\n") ;
    printf("--------------------------------------------------------------------------\n") ;
    do
    {
      for (i = start_t ; i < niterations+start_t ; i++)
      {
        MRIScomputeMetricProperties(mris) ;
        MRIScomputeSecondFundamentalForm(mris) ;
        MRISsmoothSurfaceNormals(mris, 16) ;
#define KTHRESH 1.5  // everything with kmin less than this will not move
        MRISthresholdPrincipalCurvatures(mris, KTHRESH) ;
        MRISspringTermWithGaussianCurvature(mris, gaussian_norm, l_spring) ;
        MRISaverageGradients(mris, gaussian_avgs) ;
        MRISmomentumTimeStep(mris, 0, 0.1, 1, gaussian_avgs) ;
        MRISclearGradient(mris) ;
        if ((write_iterations > 0) && (((i+1) % write_iterations) == 0))
        {
          char fname[STRLEN] ;

          sprintf(fname, "%s%04d", out_fname, i+1) ;
          printf("writing snapshot to %s...\n", fname) ;
          MRISwrite(mris, fname) ;
          if (Gdiag & DIAG_WRITE/* && DIAG_VERBOSE_ON*/)
          {
            MRISuseGaussianCurvature(mris) ;
            sprintf(fname, "%s_K%04d", out_fname, i+1) ;
            printf("writing curvature to %s...\n", fname) ;
            MRISwriteCurvature(mris, fname) ;
          }
        }
      }
      MRISclearGradient(mris) ;
      done = (gaussian_avgs == 2) ;
      gaussian_avgs /= 2 ;
      if (done ==0)
      {
        printf("---------------------- setting avgs to %d ----------------------\n", gaussian_avgs) ;
      }
      start_t = i ;
    }
    while (!done) ;
#endif
  }
  else
  {
    MRISaverageVertexPositions(mris, niterations) ;
  }

  fprintf(stderr, "smoothing complete - recomputing first and second "
          "fundamental forms...\n") ;
  MRIScomputeMetricProperties(mris) ;

  if (rescale)
  {
    MRISscaleBrainArea(mris) ;
  }
  MRIScomputeSecondFundamentalForm(mris) ;
  MRISuseMeanCurvature(mris) ;
  MRISaverageCurvatures(mris, navgs) ;
  if (normalize_flag)
  {
    MRISnormalizeCurvature(mris, which_norm) ;
  }
  sprintf(fname, "%s.%s", mris->hemisphere == LEFT_HEMISPHERE?"lh":"rh",
          curvature_fname);
  if (no_write == 0)
  {
    fprintf(stderr, "writing smoothed curvature to %s/%s\n", path,fname) ;
    MRISwriteCurvature(mris, fname) ;
    sprintf(fname, "%s.%s", mris->hemisphere == LEFT_HEMISPHERE?"lh":"rh",
            area_fname);
    fprintf(stderr, "writing smoothed area to %s/%s\n", path, fname) ;
    MRISwriteArea(mris, fname) ;
  }

  if (Gdiag & DIAG_SHOW)
  {
    fprintf(stderr, "writing smoothed surface to %s\n", out_fname) ;
  }
  MRISwrite(mris, out_fname) ;
  exit(0) ;
  return(0) ;  /* for ansi */
}
int
main(int argc, char *argv[])
{
  char          **av, *hemi, fname[STRLEN],
                *in_aseg_name, *out_aseg_name, *surf_dir ;
  int           ac, nargs, h ;
  MRI_SURFACE   *mris ;
  MRI           *mri_aseg ;

  char cmdline[CMD_LINE_LEN] ;
  make_cmd_version_string
  (argc, argv,
   "$Id: mri_relabel_hypointensities.c,v 1.13 2015/05/15 18:44:10 nicks Exp $",
   "$Name:  $", cmdline);

  /* rkt: check for and handle version tag */
  nargs = handle_version_option
          (argc, argv,
           "$Id: mri_relabel_hypointensities.c,v 1.13 2015/05/15 18:44:10 nicks Exp $",
           "$Name:  $");
  if (nargs && argc - nargs == 1) {
    exit (0);
  }
  argc -= nargs;

  Progname = argv[0] ;
  ErrorInit(NULL, NULL, NULL) ;
  DiagInit(NULL, NULL, NULL) ;

  ac = argc ;
  av = argv ;
  for ( ; argc > 1 && ISOPTION(*argv[1]) ; argc--, argv++) {
    nargs = get_option(argc, argv) ;
    argc -= nargs ;
    argv += nargs ;
  }

  if (argc < 3) {
    usage_exit() ;
  }

  in_aseg_name = argv[1] ;
  surf_dir = argv[2] ;
  out_aseg_name = argv[3] ;

  mri_aseg = MRIread(in_aseg_name) ;
  if (!mri_aseg) {
    ErrorExit(ERROR_NOFILE,
              "%s: could not read input segmentation %s",
              Progname, in_aseg_name) ;
  }

  for (h = 0 ; h <= 1 ; h++) {
    if (h == 0) {
      hemi = "lh" ;
    } else {
      hemi = "rh" ;
    }
    sprintf(fname, "%s/%s.%s", surf_dir, hemi, surf_name)  ;
    printf("reading input surface %s...\n", fname) ;
    mris = MRISread(fname) ;
    if (!mris)
      ErrorExit(ERROR_NOFILE, "%s: could not read surface file %s",
                Progname, fname) ;
    MRISsaveVertexPositions(mris, ORIGINAL_VERTICES) ;
    MRIScomputeMetricProperties(mris) ;

    printf("relabeling %s hypointensities...\n", hemi) ;
    relabel_hypointensities(mri_aseg, mris, h) ;
    MRISfree(&mris) ;
  }
  relabel_hypointensities_neighboring_gray(mri_aseg) ;

  MRIwrite(mri_aseg, out_aseg_name) ;
  exit(0) ;
  return(0) ;  /* for ansi */
}