static void
readMapFile(const char * const rmapFileName,
xelval const maxval,
gray * const lumamap) {
int rmcols, rmrows;
gray rmmaxv;
int rmformat;
FILE * rmapfP;
rmapfP = pm_openr(rmapFileName);
pgm_readpgminit(rmapfP, &rmcols, &rmrows, &rmmaxv, &rmformat);
if (rmmaxv != maxval)
pm_error("maxval in map file (%u) different from input (%u)",
rmmaxv, maxval);
if (rmrows != 1)
pm_error("Map must have 1 row. Yours has %u", rmrows);
if (rmcols != maxval + 1)
pm_error("Map must have maxval + 1 (%u) columns. Yours has %u",
maxval + 1, rmcols);
pgm_readpgmrow(rmapfP, lumamap, maxval+1, rmmaxv, rmformat);
pm_close(rmapfP);
}
int
main(int argc, const char * argv[]) {
FILE * ifP;
gray * grayrow;
int rows;
int cols;
unsigned int depth;
int format;
unsigned int padright;
unsigned int row;
gray maxval;
const char * inputFile;
pm_proginit(&argc, argv);
if (argc-1 < 1)
inputFile = "-";
else {
inputFile = argv[1];
if (argc-1 > 2)
pm_error("Too many arguments. The only argument is the optional "
"input file name");
}
ifP = pm_openr(inputFile);
pgm_readpgminit(ifP, &cols, &rows, &maxval, &format);
grayrow = pgm_allocrow(cols);
depth = pm_maxvaltobits(maxval);
/* Compute padding to round cols up to the nearest multiple of 32. */
padright = ((cols + 31) / 32) * 32 - cols;
putinit(cols, rows, depth);
for (row = 0; row < rows; ++row) {
unsigned int col;
pgm_readpgmrow(ifP, grayrow, cols, maxval, format);
for (col = 0; col < cols; ++col)
putval(grayrow[col]);
for (col = 0; col < padright; ++col)
putval(0);
}
pm_close(ifP);
putrest();
return 0;
}
int
main(int argc,
char * argv[]) {
FILE * ifP;
struct cmdlineInfo cmdline;
gray * grayrow;
pixel * pixelrow;
int rows, cols, format;
gray maxval;
ppm_init(&argc, argv);
parseCommandLine(argc, argv, &cmdline);
ifP = pm_openr(cmdline.inputFilename);
pgm_readpgminit(ifP, &cols, &rows, &maxval, &format);
grayrow = pgm_allocrow(cols);
pixelrow = ppm_allocrow(cols);
if (cmdline.map)
convertWithMap(ifP, cols, rows, maxval, format, cmdline.map,
stdout, grayrow, pixelrow);
else
convertLinear(ifP, cols, rows, maxval, format,
cmdline.colorBlack, cmdline.colorWhite, stdout,
grayrow, pixelrow);
ppm_freerow(pixelrow);
pgm_freerow(grayrow);
pm_close(ifP);
/* If the program failed, it previously aborted with nonzero completion
code, via various function calls.
*/
return 0;
}
int main(int argc, char *argv[]) {
FILE *in = stdin;
FILE *out = stdout;
FILE *sig = NULL;
char output_name[MAXPATHLEN] = "(stdout)";
char input_name[MAXPATHLEN] = "(stdin)";
char signature_name[MAXPATHLEN];
int i, c, w;
int row;
int n;
double alpha = 0.0;
double beta = 0.0;
int filter = 0;
int method = -1;
int level = 0;
char filter_name[MAXPATHLEN] = "";
int verbose = 0;
gray **image;
Image_tree dwts;
gray maxval;
int rows, cols, format;
double *watermark;
progname = argv[0];
pgm_init(&argc, argv); wm_init();
while ((c = getopt(argc, argv, "a:b:e:f:F:h?o:s:v:")) != EOF) {
switch (c) {
case 'a':
alpha = atof(optarg);
if (alpha <= 0.0) {
fprintf(stderr, "%s: alpha factor %f out of range\n", progname, alpha);
exit(1);
}
break;
case 'b':
beta = atof(optarg);
if (beta <= 0.0) {
fprintf(stderr, "%s: beta factor %f out of range\n", progname, beta);
exit(1);
}
break;
case 'e':
method = atoi(optarg);
if (method < 0) {
fprintf(stderr, "%s: wavelet filtering method %d out of range\n", progname, method);
exit(1);
}
break;
case 'f':
filter = atoi(optarg);
if (filter <= 0) {
fprintf(stderr, "%s: filter number %d out of range\n", progname, filter);
exit(1);
}
break;
case 'F':
strcpy(filter_name, optarg);
break;
case 'h':
case '?':
usage();
break;
case 'o':
if ((out = fopen(optarg, "wb")) == NULL) {
fprintf(stderr, "%s: unable to open output file %s\n", progname, optarg);
exit(1);
}
strcpy(output_name, optarg);
break;
case 's':
if ((sig = fopen(optarg, "r")) == NULL) {
fprintf(stderr, "%s: unable to open signature file %s\n", progname, optarg);
exit(1);
}
strcpy(signature_name, optarg);
break;
case 'v':
verbose = atoi(optarg);
if (verbose < 0) {
fprintf(stderr, "%s: verbosity level %d out of range\n", progname, verbose);
exit(1);
}
break;
}
}
argc -= optind;
argv += optind;
if (argc > 1) {
usage();
exit(1);
}
if (argc == 1 && *argv[0] != '-') {
if ((in = fopen(argv[0], "rb")) == NULL) {
fprintf(stderr, "%s: unable to open input file %s\n", progname, argv[0]);
exit(1);
}
else
strcpy(input_name, argv[0]);
}
if (sig) {
char line[32];
fgets(line, sizeof(line), sig);
if (strspn(line, "WGSG") >= 4) {
fscanf(sig, "%d\n", &n);
if (alpha == 0.0)
fscanf(sig, "%lf\n", &alpha);
else
fscanf(sig, "%*f\n");
if (beta == 0.0)
fscanf(sig, "%lf\n", &beta);
else
fscanf(sig, "%*f\n");
if (method < 0)
fscanf(sig, "%d\n", &method);
else
fscanf(sig, "%*d\n");
if (filter == 0)
fscanf(sig, "%d\n", &filter);
else
fscanf(sig, "%*d\n");
if (!strcmp(filter_name, ""))
fscanf(sig, "%[^\n\r]\n", filter_name);
else
fscanf(sig, "%*[^\n\r]\n");
}
else {
fprintf(stderr, "%s: invalid signature file %s\n", progname, signature_name);
exit(1);
}
}
else {
fprintf(stderr, "%s: signature file not specified, use -s file option\n", progname);
exit(1);
}
watermark = malloc(n * sizeof(double));
for (i = 0; i < n; i++)
fscanf(sig, "%lf\n", &watermark[i]);
fclose(sig);
pgm_readpgminit(in, &cols, &rows, &maxval, &format);
image = pgm_allocarray(cols, rows);
for (row = 0; row < rows; row++)
pgm_readpgmrow(in, image[row], cols, maxval, format);
fclose(in);
// complete decomposition
level = find_deepest_level(cols, rows) - 1;
// wavelet transform
init_dwt(cols, rows, filter_name, filter, level, method);
#ifdef POLLEN_STUFF
#include "pollen_stuff.c"
#endif
#ifdef PARAM_STUFF
#include "param_stuff.c"
#endif
dwts = fdwt(image);
// build tree for subband selection, calculate subband thresholds
init_subbands(dwts);
set_subbands_type_beta(HORIZONTAL, beta);
set_subbands_type_beta(VERTICAL, beta);
calc_subbands_threshold();
w = 0;
while (w < n) {
Subband_data s;
// select subband with max. threshold
s = select_subband();
if (verbose > 1)
fprintf(stderr, "%s: selected subband %s%d, T=%lf, beta=%lf\n", progname, subband_name(s->type), s->level, s->T, s->beta);
// watermark significant coefficients and set them selected
// check is entire signature has been embedded
c = select_subband_coeff(s);
do {
double p;
if (c < 0)
// no more significant coefficients in subband
break;
p = get_subband_coeff(s, c);
if (p < s->Cmax) {
if (verbose > 2)
fprintf(stderr, "%s: embedding sig. coeff. #%d (= %lf)\n into %s%d coeff. #%d\n",
progname, w, watermark[w], subband_name(s->type), s->level, c);
p = p + alpha * s->beta * s->T * watermark[w];
set_subband_coeff(s, c, p);
w++;
}
mark_subband_coeff(s, c);
// select next significant coefficient
c = select_subband_coeff_from(s, c);
} while (w < n);
// update subband threshold
s->T /= 2.0;
}
free_subbands();
free(watermark);
idwt(dwts, image);
pgm_writepgminit(out, cols, rows, maxval, 0);
for (row = 0; row < rows; row++)
pgm_writepgmrow(out, image[row], cols, maxval, 0);
fclose(out);
pgm_freearray(image, rows);
exit(0);
}
int main(int argc, char *argv[]) {
FILE *in = stdin;
FILE *out = stdout;
FILE *sig = NULL;
char output_name[MAXPATHLEN] = "(stdout)";
char input_name[MAXPATHLEN] = "(stdin)";
char signature_name[MAXPATHLEN];
int c;
int row, col;
int n;
double quality = 0.0;
int filter = 0;
int method = -1;
int level = 0;
char filter_name[MAXPATHLEN] = "";
int seed;
int verbose = 0;
gray **image;
Image_tree dwts;
gray maxval;
int rows, cols, colors, format;
progname = argv[0];
pgm_init(&argc, argv);
#ifdef __EMX__
_fsetmode(in, "b");
_fsetmode(out, "b");
#endif
while ((c = getopt(argc, argv, "e:f:F:h?l:o:q:s:v:")) != EOF) {
switch (c) {
case 'e':
method = atoi(optarg);
if (method < 0) {
fprintf(stderr, "%s: wavelet filtering method %d out of range\n", progname, method);
exit(1);
}
break;
case 'f':
filter = atoi(optarg);
if (filter <= 0) {
fprintf(stderr, "%s: filter number %d out of range\n", progname, filter);
exit(1);
}
break;
case 'F':
strcpy(filter_name, optarg);
break;
case 'h':
case '?':
usage();
break;
case 'l':
level = atoi(optarg);
if (level < 1) {
fprintf(stderr, "%s: embedding level out of range\n", progname);
exit(1);
}
break;
case 'o':
if ((out = fopen(optarg, "wb")) == NULL) {
fprintf(stderr, "%s: unable to open output file %s\n", progname, optarg);
exit(1);
}
strcpy(output_name, optarg);
break;
case 'q':
quality = atoi(optarg);
if (quality <= 0) {
fprintf(stderr, "%s: quality factor %d out of range\n", progname, quality);
exit(1);
}
break;
case 's':
if ((sig = fopen(optarg, "r")) == NULL) {
fprintf(stderr, "%s: unable to open signature file %s\n", progname, optarg);
exit(1);
}
strcpy(signature_name, optarg);
break;
case 'v':
verbose = atoi(optarg);
if (verbose < 0) {
fprintf(stderr, "%s: verbosity level %d out of range\n", progname, verbose);
exit(1);
}
break;
}
}
argc -= optind;
argv += optind;
if (argc > 1) {
usage();
exit(1);
}
if (argc == 1 && *argv[0] != '-')
if ((in = fopen(argv[0], "rb")) == NULL) {
fprintf(stderr, "%s: unable to open input file %s\n", progname, argv[0]);
exit(1);
}
else
strcpy(input_name, argv[0]);
if (sig) {
char line[32];
fgets(line, sizeof(line), sig);
if (strspn(line, "KDSG") >= 4) {
fscanf(sig, "%d\n", &n);
if (quality == 0.0)
fscanf(sig, "%lf\n", &quality);
else
fscanf(sig, "%*f\n");
if (method < 0)
fscanf(sig, "%d\n", &method);
else
fscanf(sig, "%*d\n");
if (filter == 0)
fscanf(sig, "%d\n", &filter);
else
fscanf(sig, "%*d\n");
if (!strcmp(filter_name, ""))
fscanf(sig, "%[^\n\r]\n", filter_name);
else
fscanf(sig, "%*[^\n\r]\n");
if (level == 0)
fscanf(sig, "%d\n", &level);
else
fscanf(sig, "%*d\n");
fscanf(sig, "%d\n", &seed);
srandom(seed);
n_signature = NBITSTOBYTES(nbit_signature);
fread(signature, sizeof(char), n_signature, sig);
fscanf(sig, "\n");
}
else {
fprintf(stderr, "%s: invalid signature file %s\n", progname, signature_name);
exit(1);
}
fclose(sig);
}
else {
fprintf(stderr, "%s: signature file not specified, use -s file option\n", progname);
exit(1);
}
pgm_readpgminit(in, &cols, &rows, &maxval, &format);
image = pgm_allocarray(cols, rows);
for (row = 0; row < rows; row++)
pgm_readpgmrow(in, image[row], cols, maxval, format);
fclose(in);
// check watermark dimensions and decomposition level
// decomposition of image
init_dwt(cols, rows, filter_name, filter, level, method);
#ifdef POLLEN_STUFF
{
double alpha, beta;
char *alpha_str = getenv("POLLEN_ALPHA"), *beta_str = getenv("POLLEN_BETA");
if (alpha_str && beta_str) {
alpha = atof(alpha_str);
beta = atof(beta_str);
if (alpha < -M_PI || alpha >= M_PI) {
fprintf(stderr, "%s: pollen - alpha %f out of range\n", progname, alpha);
exit(1);
}
if (beta < -M_PI || beta >= M_PI) {
fprintf(stderr, "%s: pollen - beta %f out of range\n", progname, beta);
exit(1);
}
if (verbose > 7)
fprintf(stderr, "%s: pollen - alpha %f, beta %f\n", progname, alpha, beta);
dwt_pollen_filter(alpha, beta);
}
}
#endif
dwts = fdwt(image);
// create 'image' from binary watermark
// decomposition of watermark
init_dwt(cols, rows, filter_name, filter, 1, method);
// dwts = fdwt(watermark);
// calculate mean value of image and set alpha
// setup of contrast sensitivity matrix
// segment detail images at each level
// calculate DFT of each segment
// compute salience for each segment
// calculate gamma or each detail image
// embed watermark
// reconstruction of watermarked image
idwt(dwts, image);
pgm_writepgminit(out, cols, rows, maxval, 0);
for (row = 0; row < rows; row++)
pgm_writepgmrow(out, image[row], cols, maxval, 0);
fclose(out);
pgm_freearray(image, rows);
exit(0);
}
int
main(int argc,
char * argv[]) {
struct cmdlineInfo cmdline;
FILE * ifP;
int cols, rows;
int median;
enum medianMethod medianMethod;
pgm_init(&argc, argv);
parseCommandLine(argc, argv, &cmdline);
ifP = pm_openr(cmdline.inputFileName);
ccolso2 = cmdline.width / 2;
crowso2 = cmdline.height / 2;
pgm_readpgminit(ifP, &cols, &rows, &maxval, &format);
pgm_writepgminit(stdout, cols, rows, maxval, forceplain);
/* Allocate space for number of rows in mask size. */
grays = pgm_allocarray(cols, cmdline.height);
grayrow = pgm_allocrow(cols);
/* Read in and write out initial rows that won't get changed. */
for (row = 0; row < cmdline.height - 1; ++row) {
pgm_readpgmrow(ifP, grays[row], cols, maxval, format);
/* Write out the unchanged row. */
if (row < crowso2)
pgm_writepgmrow(stdout, grays[row], cols, maxval, forceplain);
}
median = (cmdline.height * cmdline.width) / 2;
/* Choose which sort to run. */
if (cmdline.type == MEDIAN_UNSPECIFIED) {
if ((maxval / ((cmdline.width * cmdline.height) - 1)) < cmdline.cutoff)
medianMethod = HISTOGRAM_SORT_MEDIAN;
else
medianMethod = SELECT_MEDIAN;
} else
medianMethod = cmdline.type;
switch (medianMethod) {
case SELECT_MEDIAN:
selectMedian(ifP, cmdline.width, cmdline.height, cols, rows, median);
break;
case HISTOGRAM_SORT_MEDIAN:
histogramSortMedian(ifP, cmdline.width, cmdline.height,
cols, rows, median);
break;
case MEDIAN_UNSPECIFIED:
pm_error("INTERNAL ERROR: median unspecified");
}
pm_close(ifP);
pm_close(stdout);
pgm_freearray(grays, cmdline.height);
pgm_freerow(grayrow);
return 0;
}
COSTTYPE *
readPGM(const char *fname, int *width, int *height, bool raw)
{
pm_init("navfn_tests",0);
FILE *pgmfile;
pgmfile = fopen(fname,"r");
if (!pgmfile)
{
printf("readPGM() Can't find file %s\n", fname);
return NULL;
}
printf("readPGM() Reading costmap file %s\n", fname);
int ncols, nrows;
gray maxval;
int format;
pgm_readpgminit(pgmfile, &ncols, &nrows, &maxval, &format);
printf("readPGM() Size: %d x %d\n", ncols, nrows);
// set up cost map
COSTTYPE *cmap = (COSTTYPE *)malloc(ncols*nrows*sizeof(COSTTYPE));
if (!raw)
for (int i=0; i<ncols*nrows; i++)
cmap[i] = COST_NEUTRAL;
gray * row(pgm_allocrow(ncols));
int otot = 0;
int utot = 0;
int ftot = 0;
for (int ii = 0; ii < nrows; ii++) {
pgm_readpgmrow(pgmfile, row, ncols, maxval, format);
if (raw) // raw costmap from ROS
{
for (int jj(ncols - 1); jj >= 0; --jj)
{
int v = row[jj];
cmap[ii*ncols+jj] = v;
if (v >= COST_OBS_ROS)
otot++;
if (v == 0)
ftot++;
}
}
else
{
ftot = ncols*nrows;
for (int jj(ncols - 1); jj >= 0; --jj)
{
if (row[jj] < unknown_gray && ii < nrows-7 && ii > 7)
{
setcostobs(cmap,ii*ncols+jj,ncols);
otot++;
ftot--;
}
else if (row[jj] <= unknown_gray)
{
setcostunk(cmap,ii*ncols+jj,ncols);
utot++;
ftot--;
}
}
}
}
printf("readPGM() Found %d obstacle cells, %d free cells, %d unknown cells\n", otot, ftot, utot);
pgm_freerow(row);
*width = ncols;
*height = nrows;
return cmap;
}
int main(int argc, char *argv[]) {
FILE *fp, *fp_out;
gray maxval;
int format;
int width = 0;
int height = 0;
int i, j;
gray **pgm_data;
int threshold = 127;
int c;
extern char *optarg;
extern int optind;
while((c = getopt(argc, argv, "t:")) != EOF) {
switch( c ) {
case 't':
sscanf(optarg, "%d", &threshold);
break;
}
}
// printf("argc: %d\n", argc);
// printf("optind: %d\n", optind);
// printf("threshold: %d\n", threshold);
// optind -- index in argv of the first argv-element that is not an option
if((argc - optind) != 2) {
fprintf(stderr, "Usage error\n");
fprintf(stderr, "Usage: %s <input image> <output image>\n", argv[0]);
fprintf(stderr, "Option:\n");
fprintf(stderr, "-t <threshold>\n");
exit(1);
}
// all PGM programs must call pgm_init() just after invocation,
// before they process their arguments.
pgm_init(&argc, argv);
// PBM function for reading, which is almost equivalent
// to f = fopen(filename, "rb");
fp = pm_openr(argv[optind]);
// read the PGM image header
pgm_readpgminit(fp, &width, &height, &maxval, &format);
printf("Succesfully read the header!\n\n");
printf("= PGM image information =\n");
printf("Width: %d\n", width);
printf("Height: %d\n", height);
printf("Max color: %d\n", maxval);
// printf("Format: %c\n\n", PGM_FORMAT_TYPE(format));
// close then open file again for reading data
fclose(fp);
fp = pm_openr(argv[optind]);
pgm_data = pgm_readpgm(fp, &width, &height, &maxval);
printf("Succesfully get the PGM image data!\n\n");
tImage img;
img.width = width;
img.height = height;
img.pixelType = GRAY8;
img.pPixel = (UCHAR *)malloc(width * height * sizeof(UCHAR));
// copy data to our format
for(i = 0; i < height; i++) {
for(j = 0; j < width; j++) {
img.pPixel[i * width + j] = pgm_data[i][j];
}
}
img = binarize(img, threshold);
// convert back to the pgm format
for(i = 0; i < height; i++) {
for(j = 0; j < width; j++) {
pgm_data[i][j] = img.pPixel[i * width + j];
}
}
fp_out = pm_openw(argv[optind + 1]);
// forceplain is a logical value that tells pgm_writepgminit() to
// write a header for a plain PGM format file, as opposed to a raw
// PGM format file.
// 1 -> not a binary format
int forceplain = 0;
pgm_writepgm(fp_out, pgm_data, width, height, maxval, forceplain);
printf("Succesfully write the binarized PGM image to disk!\n\n");
free(img.pPixel);
fclose(fp);
fclose(fp_out);
return 1;
}
int main(int argc, char *argv[]) {
FILE *in = stdin;
FILE *out = stdout;
FILE *orig = NULL;
FILE *sig = NULL;
gray **input_image;
gray **orig_image;
char signature_name[MAXPATHLEN];
char output_name[MAXPATHLEN] = "(stdout)";
char input_name[MAXPATHLEN] = "(stdin)";
char orig_name[MAXPATHLEN];
int c;
int n = 0;
int method = -1;
int filter = 0;
char filter_name[MAXPATHLEN] = "";
int level = 0;
double alpha = 0.0;
int in_rows, in_cols, in_format;
gray in_maxval;
int orig_rows, orig_cols, orig_format;
gray orig_maxval;
int rows, cols;
int row, col;
Image_tree input_dwts;
Image_tree orig_dwts;
int verbose = 0;
progname = argv[0];
pgm_init(&argc, argv); wm_init2();
while ((c = getopt(argc, argv, "a:e:f:F:h?i:n:o:s:v:")) != EOF) {
switch (c) {
case 'a':
alpha = atof(optarg);
if (alpha <= 0.0) {
fprintf(stderr, "%s: alpha factor %f out of range\n", progname, alpha);
exit(1);
}
break;
case 'e':
method = atoi(optarg);
if (method < 0) {
fprintf(stderr, "%s: wavelet filtering method %d out of range\n", progname, method);
exit(1);
}
break;
case 'f':
filter = atoi(optarg);
if (filter <= 0) {
fprintf(stderr, "%s: filter number %d out of range\n", progname, filter);
exit(1);
}
break;
case 'F':
strcpy(filter_name, optarg);
break;
case 'h':
case '?':
usage();
break;
case 'i':
if ((orig = fopen(optarg, "rb")) == NULL) {
fprintf(stderr, "%s: unable to open original image file %s\n", progname, optarg);
exit(1);
}
strcpy(orig_name, optarg);
break;
case 'n':
n = atoi(optarg);
if (n < 1 || n > 1000) {
fprintf(stderr, "%s: watermark length %d out of range\n", progname, n);
exit(1);
}
break;
case 'o':
if ((out = fopen(optarg, "w")) == NULL) {
fprintf(stderr, "%s: unable to open output file %s\n", progname, optarg);
exit(1);
}
strcpy(output_name, optarg);
break;
case 's':
if ((sig = fopen(optarg, "r")) == NULL) {
fprintf(stderr, "%s: unable to open signature file %s\n", progname, optarg);
exit(1);
}
strcpy(signature_name, optarg);
break;
case 'v':
verbose = atoi(optarg);
if (verbose < 0) {
fprintf(stderr, "%s: verbosity level %d out of range\n", progname, verbose);
exit(1);
}
break;
}
}
argc -= optind;
argv += optind;
if (argc > 1) {
usage();
exit(1);
}
if (argc == 1 && *argv[0] != '-') {
if ((in = fopen(argv[0], "rb")) == NULL) {
fprintf(stderr, "%s: unable to open input file %s\n", progname, argv[0]);
exit(1);
}
else
strcpy(input_name, argv[0]);
}
if (!orig) {
fprintf(stderr, "%s: original image file not specified, use -i file option\n", progname);
exit(1);
}
if (sig) {
char line[32];
fgets(line, sizeof(line), sig);
if (strspn(line, "CVSG") >= 4) {
fscanf(sig, "%d\n", &n);
if (alpha == 0.0)
fscanf(sig, "%lf\n", &alpha);
else
fscanf(sig, "%*f\n");
if (method < 0)
fscanf(sig, "%d\n", &method);
else
fscanf(sig, "%*d\n");
if (filter == 0)
fscanf(sig, "%d\n", &filter);
else
fscanf(sig, "%*d\n");
if (!strcmp(filter_name, ""))
fscanf(sig, "%[^\n\r]\n", filter_name);
else
fscanf(sig, "%*[^\n\r]\n");
}
else {
fprintf(stderr, "%s: invalid signature file %s\n", progname, signature_name);
exit(1);
}
fclose(sig);
}
else {
fprintf(stderr, "%s: signature file not specified, use -s file option\n", progname);
exit(1);
}
pgm_readpgminit(in, &in_cols, &in_rows, &in_maxval, &in_format);
pgm_readpgminit(orig, &orig_cols, &orig_rows, &orig_maxval, &orig_format);
if (in_cols != orig_cols || in_rows != orig_rows) {
fprintf(stderr, "%s: input image %s does not match dimensions of original image %s\n", progname, input_name, orig_name);
exit(1);
}
cols = in_cols;
rows = in_rows;
input_image = pgm_allocarray(in_cols, in_rows);
orig_image = pgm_allocarray(orig_cols, orig_rows);
for (row = 0; row < in_rows; row++)
pgm_readpgmrow(in, input_image[row], in_cols, in_maxval, in_format);
fclose(in);
for (row = 0; row < orig_rows; row++)
pgm_readpgmrow(orig, orig_image[row], orig_cols, orig_maxval, orig_format);
fclose(orig);
level = 0;
row = rows;
col = cols;
while (n < row * col / 4.0 && row >= 2 && col >= 2) {
row /= 2;
col /= 2;
level++;
}
if (verbose >= 2) {
fprintf(stderr, "%s: extracting from coarse image (x %d/y %d) at level %d\n", progname, col, row, level);
}
init_dwt(cols, rows, filter_name, filter, level, method);
#ifdef POLLEN_STUFF
#include "pollen_stuff.c"
#endif
#ifdef PARAM_STUFF
#include "param_stuff.c"
#endif
input_dwts = fdwt(input_image);
orig_dwts = fdwt(orig_image);
fprintf(out, "CVWM\n");
fprintf(out, "%d\n", n);
{
Image_tree p = input_dwts;
Image_tree q = orig_dwts;
Image input_img;
Image orig_img;
double input_med;
double orig_med;
double input_var;
double orig_var;
while (!p->image)
p = p->coarse;
while (!q->image)
q = q->coarse;
input_img = p->image;
orig_img = q->image;
input_med = 0.0;
for (row = 0; row < input_img->height; row++)
for (col = 0; col < input_img->width; col++)
input_med += get_pixel(input_img, col, row);
input_med /= (double) (input_img->height * input_img->width);
orig_med = 0.0;
for (row = 0; row < orig_img->height; row++)
for (col = 0; col < orig_img->width; col++)
orig_med += get_pixel(orig_img, col, row);
orig_med /= (double) (orig_img->height * orig_img->width);
orig_var = 0.0;
for (row = 0; row < orig_img->height; row++)
for (col = 0; col < orig_img->width; col++)
orig_var += sqr(get_pixel(orig_img, col, row) - orig_med);
orig_var /= (double) (orig_img->height * orig_img->width);
input_var = 0.0;
for (row = 0; row < input_img->height; row++)
for (col = 0; col < input_img->width; col++)
input_var += sqr(get_pixel(input_img, col, row) - input_med);
input_var /= (double) (input_img->height * input_img->width);
orig_var = sqrt(orig_var);
input_var = sqrt(input_var);
if (verbose > 3)
fprintf(stderr, "%s: mean (input, orig): %f, %f,\n variance (input, orig): %f, %f\n", progname, input_med, orig_med, input_var, orig_var);
row = 0;
col = 0;
while (n > 0) {
double input_pix;
double orig_pix;
double x;
input_pix = get_pixel(input_img, col, row);
orig_pix = get_pixel(orig_img, col, row);
x = (((input_pix - input_med) * (orig_var / input_var) - (orig_pix / orig_med)) / (orig_pix - orig_med) - 1.0) / alpha;
fprintf(out, "%f\n", x);
if (++col == orig_img->width) { col = 0; row++; }
n--;
}
}
fclose(out);
pgm_freearray(input_image, rows);
pgm_freearray(orig_image, rows);
exit(0);
}
int main( int argc, char** argv ){
FILE *ifp;
gray maxval;
int cols, rows, format;
gray* prevrow;
gray* thisrow;
gray* tmprow;
int* countTile;
int* countEdgeX;
int* countEdgeY;
int* countVertex;
int i, col, row;
int maxtiles, maxedgex, maxedgey, maxvertex;
int area, perimeter, eulerchi;
double l2inv, linv;
/*
* parse arg and initialize
*/
pgm_init( &argc, argv );
if ( argc > 2 ) pm_usage( "[pgmfile]" );
if ( argc == 2 )
ifp = pm_openr( argv[1] );
else
ifp = stdin;
/*
* initialize
*/
pgm_readpgminit( ifp, &cols, &rows, &maxval, &format );
prevrow = pgm_allocrow( cols );
thisrow = pgm_allocrow( cols );
MALLOCARRAY(countTile , maxval + 1 );
MALLOCARRAY(countEdgeX , maxval + 1 );
MALLOCARRAY(countEdgeY , maxval + 1 );
MALLOCARRAY(countVertex , maxval + 1 );
if (countTile == NULL || countEdgeX == NULL || countEdgeY == NULL ||
countVertex == NULL)
pm_error( "out of memory" );
for ( i = 0; i <= maxval; i++ ) countTile[i] = 0;
for ( i = 0; i <= maxval; i++ ) countEdgeX[i] = 0;
for ( i = 0; i <= maxval; i++ ) countEdgeY[i] = 0;
for ( i = 0; i <= maxval; i++ ) countVertex[i] = 0;
/* first row */
pgm_readpgmrow( ifp, thisrow, cols, maxval, format );
/* tiles */
for ( col = 0; col < cols; ++col ) ++countTile[thisrow[col]];
/* y-edges */
for ( col = 0; col < cols; ++col ) ++countEdgeY[thisrow[col]];
/* x-edges */
++countEdgeX[thisrow[0]];
for ( col = 0; col < cols-1; ++col )
++countEdgeX[ MAX2(thisrow[col], thisrow[col+1]) ];
++countEdgeX[thisrow[cols-1]];
/* shortcut: for the first row, countVertex == countEdgeX */
++countVertex[thisrow[0]];
for ( col = 0; col < cols-1; ++col )
++countVertex[ MAX2(thisrow[col], thisrow[col+1]) ];
++countVertex[thisrow[cols-1]];
for ( row = 1; row < rows; ++row ){
tmprow = prevrow;
prevrow = thisrow;
thisrow = tmprow;
pgm_readpgmrow( ifp, thisrow, cols, maxval, format );
/* tiles */
for ( col = 0; col < cols; ++col ) ++countTile[thisrow[col]];
/* y-edges */
for ( col = 0; col < cols; ++col )
++countEdgeY[ MAX2(thisrow[col], prevrow[col]) ];
/* x-edges */
++countEdgeX[thisrow[0]];
for ( col = 0; col < cols-1; ++col )
++countEdgeX[ MAX2(thisrow[col], thisrow[col+1]) ];
++countEdgeX[thisrow[cols-1]];
/* vertices */
++countVertex[ MAX2(thisrow[0],prevrow[0]) ];
for ( col = 0; col < cols-1; ++col )
++countVertex[
MAX4(thisrow[col], thisrow[col+1], prevrow[col], prevrow[col+1])
];
++countVertex[ MAX2(thisrow[cols-1],prevrow[cols-1]) ];
} /* for row */
/* now thisrow contains the top row*/
/* tiles and x-edges have been counted, now upper
y-edges and top vertices remain */
/* y-edges */
for ( col = 0; col < cols; ++col ) ++countEdgeY[ thisrow[col] ];
/* vertices */
++countVertex[thisrow[0]];
for ( col = 0; col < cols-1; ++col )
++countVertex[ MAX2(thisrow[col],thisrow[col+1]) ];
++countVertex[ thisrow[cols-1] ];
/* cleanup */
maxtiles = rows * cols;
maxedgex = rows * (cols+1);
maxedgey = (rows+1) * cols;
maxvertex= (rows+1) * (cols+1);
l2inv = 1.0/maxtiles;
linv = 0.5/(rows+cols);
/* And print it. */
printf( "#threshold\t tiles\tx-edges\ty-edges\tvertices\n" );
printf( "#---------\t -----\t-------\t-------\t--------\n" );
for ( i = 0; i <= maxval; i++ ){
if( !(countTile[i] || countEdgeX[i] || countEdgeY[i] || countVertex[i] ) )
continue; /* skip empty slots */
area = maxtiles;
perimeter = 2*maxedgex + 2*maxedgey - 4*maxtiles;
eulerchi = maxtiles - maxedgex - maxedgey + maxvertex;
printf( "%f\t%6d\t%7d\t%7d\t%8d\t%g\t%g\t%6d\n", (float) i/(1.0*maxval),
maxtiles, maxedgex, maxedgey, maxvertex,
area*l2inv, perimeter*linv, eulerchi
);
maxtiles -= countTile[i];
maxedgex -= countEdgeX[i];
maxedgey -= countEdgeY[i];
maxvertex-= countVertex[i];
/* i, countTile[i], countEdgeX[i], countEdgeY[i], countVertex[i] */
}
/* these should be zero: */
printf( "# check:\t%6d\t%7d\t%7d\t%8d\n",
maxtiles, maxedgex, maxedgey, maxvertex );
pm_close( ifp );
exit( 0 );
} /*main*/
