tTh/FloatImg
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tweaking

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tTh 2023-07-05 16:47:43 +02:00
parent 99bbd20b47
commit cd6f045789
1 changed files with 17 additions and 5 deletions
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22
experiment/mnt.c
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@ -20,7 +20,6 @@ int calcul_histo_gray(FloatImg *img, char *fname, int nbslots, float *pmax)
int offset, nbpix, ival; int offset, nbpix, ival;
FILE *fp; FILE *fp;
float pixel, minp, maxp; float pixel, minp, maxp;
int *counts; int *counts;
#if DEBUG_LEVEL #if DEBUG_LEVEL
@ -29,6 +28,7 @@ fprintf(stderr, ">>> %s ( %p '%s' %d )\n", __func__,
#endif #endif
if (FIMG_TYPE_GRAY != img->type) { if (FIMG_TYPE_GRAY != img->type) {
fprintf(stderr, "%s: image is not in greylevel\n", __func__);
return -2; return -2;
} }
@ -64,7 +64,7 @@ if (NULL == (fp = fopen(fname, "w"))) {
exit(1); exit(1);
} }
for (ival=0; ival<nbslots; ival++) { for (ival=0; ival<nbslots; ival++) {
fprintf(fp, "%6d %6d\n", ival, counts[ival]); fprintf(fp, "%6d %8d\n", ival, counts[ival]);
} }
fclose(fp); fclose(fp);
@ -90,6 +90,15 @@ float pente, minp, maxp, seuil;
fprintf(stderr, ">>> %s ( %p %p )\n", __func__, src, dst); fprintf(stderr, ">>> %s ( %p %p )\n", __func__, src, dst);
#endif #endif
/*
* trying some preprocessor filters
*/
//foo = fimg_lissage_2x2(src);
foo = fimg_lissage_3x3(src);
if (foo) fprintf(stderr, " lissage -> %d\n", foo);
foo = fimg_killborders(src);
if (foo) fprintf(stderr, " killborder -> %d\n", foo);
#define W (src->width) #define W (src->width)
#define DX 1.0 #define DX 1.0
#define DY 1.0 #define DY 1.0
@ -122,8 +131,8 @@ if (foo) fprintf(stderr, "<<< calcul histo -> %d\n", foo);
minp = 1e10; minp = 1e10;
seuil = 0.640 * maxp; seuil = 0.700 * maxp;
fprintf(stderr, "seuil = %f\n", seuil); fprintf(stderr, " seuil = %f\n", seuil);
for (offset=0; offset<(src->width*src->height); offset++) { for (offset=0; offset<(src->width*src->height); offset++) {
pente = tmp.R[offset]; pente = tmp.R[offset];
@ -132,7 +141,7 @@ for (offset=0; offset<(src->width*src->height); offset++) {
} }
if (pente > maxp) maxp = pente; if (pente > maxp) maxp = pente;
} }
fprintf(stderr, "minp --> %f maxp --> %f\n", minp, maxp); // fprintf(stderr, " minp = %f maxp = %f\n", minp, maxp);
/* recopie dans l'image destination avec translation hauteur */ /* recopie dans l'image destination avec translation hauteur */
for (offset=0; offset<(src->width*src->height); offset++) { for (offset=0; offset<(src->width*src->height); offset++) {
@ -143,6 +152,9 @@ for (offset=0; offset<(src->width*src->height); offset++) {
dst->B[offset] = pente; dst->B[offset] = pente;
} }
foo = fimg_killborders(dst);
if (foo) fprintf(stderr, " killborder -> %d\n", foo);
/* clean the memory */ /* clean the memory */
fimg_destroy(&tmp); fimg_destroy(&tmp);