int print_header(FILE *fp, char *hname)
{
int c;
struct file_info *fi;
FILE *header_file;
if (hname)
{
if ((fi = open_file(hname, "r")) == NULL)
{
fprintf(stderr, "umat: can't read PS header file %s\n", hname);
return 1;
}
header_file = fi2fp(fi);
while ((c = fgetc(header_file)) != EOF)
fputc(c, fp);
close_file(fi);
}
else
print_lines(fp, psheader);
return 0;
}
int main(int argc, char **argv)
{
FILE *cf1, *cf2;
struct file_info *cfi1 = NULL, *cfi2 = NULL;
int i1,i2,c1,c2,cnt,i;
double testv, tmp;
int error = 1;
if (argc != 3) {
fprintf(stderr, usage);
exit(1);
}
if ((cfi1 = open_file(argv[1],"r")) == NULL) {
fprintf(stderr, "\nCannot open %s\n",argv[1]);
goto cleanup;
}
cf1 = fi2fp(cfi1);
if ( (cfi2 = open_file(argv[2],"r")) == NULL) {
fprintf(stderr, "\nCannot open %s\n",argv[2]);
goto cleanup;
}
cf2 = fi2fp(cfi2);
for (;;) {
i1 = fscanf(cf1,"%d", &c1);
i2 = fscanf(cf2,"%d", &c2);
if (i1 != i2) {
fprintf(stderr, "\nERROR: Unequal numbers of classifications in files.\n");
goto cleanup;
}
if (i1 != 1) break;
if ( (c1!=0 && c1!=1) || (c2!=0 && c2!=1)) {
fprintf(stderr, "\nFiles contain other than 0's and 1's.\n");
goto cleanup;
}
c1 = 1 - c1;
c2 = 1 - c2;
tbl[c1][c2]++;
}
cnt = tbl[0][1] + tbl[1][0];
if (cnt) {
fprintf(stderr, "\nStatistics of the results of the two classifiers:");
fprintf(stderr, "\n 1st correct, 1st errors");
fprintf(stderr, "\n2nd correct: %6d %6d", tbl[0][0],tbl[1][0]);
fprintf(stderr, "\n2nd errors: %6d %6d\n", tbl[0][1],tbl[1][1]);
tmp = tbl[0][1] - tbl[1][0];
testv = tmp*tmp;
testv /= cnt;
fprintf(stderr, "\nTest statistics (%.3f)", testv);
for (i=3; i>=0; i--) if (testv > chi_sq[i]) break;
if (i>=0) {
fprintf(stderr, " is significant at risk level %.3f\n", alpha[i]);
fprintf(stderr, "The classifiers are significantly different!\n");
} else {
fprintf(stderr, " is not significant!\n");
fprintf(stderr, "The classifiers are not significantly different!\n");
}
}
else
fprintf(stderr, "\nRecognition result files are equal!\n");
error = 0;
cleanup:
if (cfi1)
close_file(cfi1);
if (cfi2)
close_file(cfi2);
return(error);
}
int main(int argc, char **argv)
{
char *in_name, *out_name, *s;
struct umatrix *umat;
struct eps_info einfo;
int average = 0;
int median = 0;
FILE *out_fp;
struct file_info *out_fi;
global_options(argc, argv);
if (extract_parameter(argc, argv, "-help", OPTION2))
{
printhelp();
exit(0);
}
in_name = NULL;
out_name = NULL;
/* default page size is A4 */
set_paper(get_paper_by_id(PAPER_A4));
/* parse args */
if (extract_parameter(argc, argv, "-border", OPTION2))
doborder = 1;
if (extract_parameter(argc, argv, "-portrait", OPTION2))
orientation = PORTRAIT;
if (extract_parameter(argc, argv, "-landscape", OPTION2))
orientation = LANDSCAPE;
if (extract_parameter(argc, argv, "-ps", OPTION2))
mode = OUTPUT_PS;
if (extract_parameter(argc, argv, "-eps", OPTION2))
mode = OUTPUT_EPS;
white_treshold = oatof(extract_parameter(argc, argv, "-W", OPTION), 1.0);
black_treshold = oatof(extract_parameter(argc, argv, "-B", OPTION), 0.0);
out_name = extract_parameter(argc, argv, "-o", OPTION);
if (mode == 0)
mode = guess_mode(out_name);
if ((s = extract_parameter(argc, argv, "-font", OPTION)))
fontname = s;
fontsize = oatof(extract_parameter(argc, argv, "-fontsize", OPTION), -1.0);
title = extract_parameter(argc, argv, "-title", OPTION);
if (extract_parameter(argc, argv, "-notitle", OPTION2))
notitle = 1;
if ((s = extract_parameter(argc, argv, "-paper", OPTION)))
{
struct paper_info *p = get_paper_by_name(s);
if (p == NULL)
{
fprintf(stderr, "Unknown paper type: %s\n", s);
exit(1);
}
set_paper(p);
}
if (extract_parameter(argc, argv, "-average", OPTION2))
average = 1;
if (extract_parameter(argc, argv, "-median", OPTION2))
median = 1;
if (extract_parameter(argc, argv, "-onlylabs", OPTION2))
drawblocks = 0;
if (extract_parameter(argc, argv, "-nolabs", OPTION2))
drawlabels = 0;
in_name = extract_parameter(argc, argv, IN_CODE_FILE, ALWAYS);
if ((s = getenv("UMAT_HEADERFILE")))
headerfile = s;
if ((s = extract_parameter(argc, argv, "-headerfile", OPTION)))
headerfile = s;
label_not_needed(1);
if ((umat = read_map(in_name, 0, 0)) == NULL)
{
fprintf(stderr, "Can't load file\n");
exit(1);
}
calc_umatrix(umat, 0, 0);
if (average)
average_umatrix(umat);
if (median)
median_umatrix(umat);
if (mode == 0)
mode = OUTPUT_EPS;
if (orientation == BEST)
orientation = (umat->mxdim >= umat->mydim) ? LANDSCAPE : PORTRAIT;
if ((out_fi = open_file(out_name, "w")) == NULL)
{
fprintf(stderr, "can't open output file\n");
free_umat(umat);
exit(1);
}
out_fp = fi2fp(out_fi);
einfo.umat = umat;
einfo.title = title ? title : in_name;
image_size(&einfo, 0);
if (mode == OUTPUT_EPS)
print_eps(out_fp, &einfo);
else
print_page(out_fp, &einfo);
free_umat(umat);
umat = NULL;
if (out_fi)
close_file(out_fi);
return 0;
}
int save_snapshot(struct teach_params *teach, long iter)
{
struct entries *codes = teach->codes;
struct snapshot_info *shot = teach->snapshot;
struct data_entry *entry;
eptr p;
char filename[1024]; /* hope this is enough */
struct file_info *fi = NULL;
int retcode = 0;
int bg = shot->flags & SNAPFLAG_BACKGROUND;
int ko = shot->flags & SNAPFLAG_KEEPOPEN;
shot->counter++;
if (ko)
if ((fi = shot->fi) == NULL)
{
if ((shot->fi = open_file(shot->filename, "w")) == NULL)
return 1;
fi = shot->fi;
}
else
fi = shot->fi;
#ifndef NO_BACKGROUND_SNAP
if (bg)
{
if (shot->pid > 0)
{
int statptr;
if (!(shot->flags & SNAPFLAG_NOWAIT))
{
/* fprintf(stderr, "Snap: waiting for pid %d\n", (int)shot->pid); */
/* wait for previous child before forking a new one */
waitpid(shot->pid, &statptr, 0);
shot->pid = -1;
}
}
if ((shot->pid = fork()) < 0)
{
perror("save_snapshot(background):");
return 1;
}
if (shot->pid == 0)
{
/* fprintf(stderr, "saving snapshot\n"); */
}
else
{
/* fprintf(stderr, "forked pid %d\n", (int)shot->pid); */
return 0;
}
}
#endif /* NO_BACKGROUND_SNAP */
if (fi == NULL)
{
/* make filename */
sprintf(filename, shot->filename, iter);
if ((fi = open_file(filename, "w")) == NULL)
return 1;
}
if (ko)
fprintf(fi2fp(fi), "#start %d\n", shot->counter);
if (write_header(fi, codes))
{
fprintf(stderr, "save_snapshot: Error writing headers\n");
close_file(shot->fi);
shot->fi = NULL;
return 1;
}
/* open file for writing */
ifverbose(3)
fprintf(stderr, "saving snapshot: file '%s', type '%s'\n", filename,
get_str_by_id(snapshot_list, shot->type));
fprintf(fi2fp(fi), "#SNAPSHOT FILE\n#iterations: %ld/%ld\n",
iter, teach->length);
for (entry = rewind_entries(codes, &p); entry != NULL; entry = next_entry(&p))
{
if (write_entry(fi, codes, entry))
{
fprintf(stderr, "save_entries: Error writing entry, aborting\n");
retcode = 1;
break;
}
}
if (ko)
{
fprintf(fi2fp(fi), "#end\n");
fflush(fi2fp(fi));
}
else
close_file(fi);
#ifndef NO_BACKGROUND_SNAP
if (bg)
exit(retcode);
else
#endif
return(retcode);
}
