From ae43c2bc32fbb838bfebeeaf2c2b058ccab5c83c Mon Sep 17 00:00:00 2001
From: Joseph Redmon <pjreddie@burninator.cs.washington.edu>
Date: Thu, 23 Jun 2016 05:31:14 +0000
Subject: [PATCH] hi
---
src/image.c | 1082 ++++++++++++++++++++++++++++++--------------------------
1 files changed, 574 insertions(+), 508 deletions(-)
diff --git a/src/image.c b/src/image.c
index ef76d45..0309ef1 100644
--- a/src/image.c
+++ b/src/image.c
@@ -110,6 +110,7 @@
float prob = probs[i][class];
if(prob > thresh){
int width = pow(prob, 1./2.)*10+1;
+ width = 8;
printf("%s: %.2f\n", names[class], prob);
int offset = class*17 % classes;
float red = get_color(0,offset,classes);
@@ -364,6 +365,7 @@
image get_image_from_stream(CvCapture *cap)
{
IplImage* src = cvQueryFrame(cap);
+ if (!src) return make_empty_image(0,0,0);
image im = ipl_to_image(src);
rgbgr_image(im);
return im;
@@ -490,6 +492,8 @@
int r = j + dy;
int c = i + dx;
float val = 0;
+ r = constrain_int(r, 0, im.h-1);
+ c = constrain_int(c, 0, im.w-1);
if (r >= 0 && r < im.h && c >= 0 && c < im.w) {
val = get_pixel(im, c, r, k);
}
@@ -500,591 +504,653 @@
return cropped;
}
- image resize_min(image im, int min)
- {
- int w = im.w;
- int h = im.h;
- if(w < h){
- h = (h * min) / w;
- w = min;
- } else {
- w = (w * min) / h;
- h = min;
+int best_3d_shift_r(image a, image b, int min, int max)
+{
+ if(min == max) return min;
+ int mid = floor((min + max) / 2.);
+ image c1 = crop_image(b, 0, mid, b.w, b.h);
+ image c2 = crop_image(b, 0, mid+1, b.w, b.h);
+ float d1 = dist_array(c1.data, a.data, a.w*a.h*a.c, 10);
+ float d2 = dist_array(c2.data, a.data, a.w*a.h*a.c, 10);
+ free_image(c1);
+ free_image(c2);
+ if(d1 < d2) return best_3d_shift_r(a, b, min, mid);
+ else return best_3d_shift_r(a, b, mid+1, max);
+}
+
+int best_3d_shift(image a, image b, int min, int max)
+{
+ int i;
+ int best = 0;
+ float best_distance = FLT_MAX;
+ for(i = min; i <= max; i += 2){
+ image c = crop_image(b, 0, i, b.w, b.h);
+ float d = dist_array(c.data, a.data, a.w*a.h*a.c, 100);
+ if(d < best_distance){
+ best_distance = d;
+ best = i;
}
- image resized = resize_image(im, w, h);
- return resized;
+ printf("%d %f\n", i, d);
+ free_image(c);
+ }
+ return best;
+}
+
+void composite_3d(char *f1, char *f2, char *out)
+{
+ if(!out) out = "out";
+ image a = load_image(f1, 0,0,0);
+ image b = load_image(f2, 0,0,0);
+ int shift = best_3d_shift_r(a, b, -a.h/100, a.h/100);
+
+ image c1 = crop_image(b, 10, shift, b.w, b.h);
+ float d1 = dist_array(c1.data, a.data, a.w*a.h*a.c, 100);
+ image c2 = crop_image(b, -10, shift, b.w, b.h);
+ float d2 = dist_array(c2.data, a.data, a.w*a.h*a.c, 100);
+
+ if(d2 < d1){
+ image swap = a;
+ a = b;
+ b = swap;
+ shift = -shift;
+ printf("swapped, %d\n", shift);
+ }
+ else{
+ printf("%d\n", shift);
}
- image random_crop_image(image im, int low, int high, int size)
- {
- int r = rand_int(low, high);
- image resized = resize_min(im, r);
- int dx = rand_int(0, resized.w - size);
- int dy = rand_int(0, resized.h - size);
- image crop = crop_image(resized, dx, dy, size, size);
-
- /*
- show_image(im, "orig");
- show_image(crop, "cropped");
- cvWaitKey(0);
- */
-
- free_image(resized);
- return crop;
+ image c = crop_image(b, 0, shift, a.w, a.h);
+ int i;
+ for(i = 0; i < c.w*c.h; ++i){
+ c.data[i] = a.data[i];
}
+#ifdef OPENCV
+ save_image_jpg(c, out);
+#else
+ save_image(c, out);
+#endif
+}
- float three_way_max(float a, float b, float c)
- {
- return (a > b) ? ( (a > c) ? a : c) : ( (b > c) ? b : c) ;
+image resize_min(image im, int min)
+{
+ int w = im.w;
+ int h = im.h;
+ if(w < h){
+ h = (h * min) / w;
+ w = min;
+ } else {
+ w = (w * min) / h;
+ h = min;
}
+ if(w == im.w && h == im.h) return im;
+ image resized = resize_image(im, w, h);
+ return resized;
+}
- float three_way_min(float a, float b, float c)
- {
- return (a < b) ? ( (a < c) ? a : c) : ( (b < c) ? b : c) ;
- }
+image random_crop_image(image im, int low, int high, int size)
+{
+ int r = rand_int(low, high);
+ image resized = resize_min(im, r);
+ int dx = rand_int(0, resized.w - size);
+ int dy = rand_int(0, resized.h - size);
+ image crop = crop_image(resized, dx, dy, size, size);
- // http://www.cs.rit.edu/~ncs/color/t_convert.html
- void rgb_to_hsv(image im)
- {
- assert(im.c == 3);
- int i, j;
- float r, g, b;
- float h, s, v;
- for(j = 0; j < im.h; ++j){
- for(i = 0; i < im.w; ++i){
- r = get_pixel(im, i , j, 0);
- g = get_pixel(im, i , j, 1);
- b = get_pixel(im, i , j, 2);
- float max = three_way_max(r,g,b);
- float min = three_way_min(r,g,b);
- float delta = max - min;
- v = max;
- if(max == 0){
- s = 0;
- h = -1;
- }else{
- s = delta/max;
- if(r == max){
- h = (g - b) / delta;
- } else if (g == max) {
- h = 2 + (b - r) / delta;
- } else {
- h = 4 + (r - g) / delta;
- }
- if (h < 0) h += 6;
- }
- set_pixel(im, i, j, 0, h);
- set_pixel(im, i, j, 1, s);
- set_pixel(im, i, j, 2, v);
- }
- }
- }
+ if(resized.data != im.data) free_image(resized);
+ return crop;
+}
- void hsv_to_rgb(image im)
- {
- assert(im.c == 3);
- int i, j;
- float r, g, b;
- float h, s, v;
- float f, p, q, t;
- for(j = 0; j < im.h; ++j){
- for(i = 0; i < im.w; ++i){
- h = get_pixel(im, i , j, 0);
- s = get_pixel(im, i , j, 1);
- v = get_pixel(im, i , j, 2);
- if (s == 0) {
- r = g = b = v;
+float three_way_max(float a, float b, float c)
+{
+ return (a > b) ? ( (a > c) ? a : c) : ( (b > c) ? b : c) ;
+}
+
+float three_way_min(float a, float b, float c)
+{
+ return (a < b) ? ( (a < c) ? a : c) : ( (b < c) ? b : c) ;
+}
+
+// http://www.cs.rit.edu/~ncs/color/t_convert.html
+void rgb_to_hsv(image im)
+{
+ assert(im.c == 3);
+ int i, j;
+ float r, g, b;
+ float h, s, v;
+ for(j = 0; j < im.h; ++j){
+ for(i = 0; i < im.w; ++i){
+ r = get_pixel(im, i , j, 0);
+ g = get_pixel(im, i , j, 1);
+ b = get_pixel(im, i , j, 2);
+ float max = three_way_max(r,g,b);
+ float min = three_way_min(r,g,b);
+ float delta = max - min;
+ v = max;
+ if(max == 0){
+ s = 0;
+ h = -1;
+ }else{
+ s = delta/max;
+ if(r == max){
+ h = (g - b) / delta;
+ } else if (g == max) {
+ h = 2 + (b - r) / delta;
} else {
- int index = floor(h);
- f = h - index;
- p = v*(1-s);
- q = v*(1-s*f);
- t = v*(1-s*(1-f));
- if(index == 0){
- r = v; g = t; b = p;
- } else if(index == 1){
- r = q; g = v; b = p;
- } else if(index == 2){
- r = p; g = v; b = t;
- } else if(index == 3){
- r = p; g = q; b = v;
- } else if(index == 4){
- r = t; g = p; b = v;
- } else {
- r = v; g = p; b = q;
- }
+ h = 4 + (r - g) / delta;
}
- set_pixel(im, i, j, 0, r);
- set_pixel(im, i, j, 1, g);
- set_pixel(im, i, j, 2, b);
+ if (h < 0) h += 6;
}
+ set_pixel(im, i, j, 0, h);
+ set_pixel(im, i, j, 1, s);
+ set_pixel(im, i, j, 2, v);
}
}
+}
- image grayscale_image(image im)
- {
- assert(im.c == 3);
- int i, j, k;
- image gray = make_image(im.w, im.h, 1);
- float scale[] = {0.587, 0.299, 0.114};
- for(k = 0; k < im.c; ++k){
- for(j = 0; j < im.h; ++j){
- for(i = 0; i < im.w; ++i){
- gray.data[i+im.w*j] += scale[k]*get_pixel(im, i, j, k);
+void hsv_to_rgb(image im)
+{
+ assert(im.c == 3);
+ int i, j;
+ float r, g, b;
+ float h, s, v;
+ float f, p, q, t;
+ for(j = 0; j < im.h; ++j){
+ for(i = 0; i < im.w; ++i){
+ h = get_pixel(im, i , j, 0);
+ s = get_pixel(im, i , j, 1);
+ v = get_pixel(im, i , j, 2);
+ if (s == 0) {
+ r = g = b = v;
+ } else {
+ int index = floor(h);
+ f = h - index;
+ p = v*(1-s);
+ q = v*(1-s*f);
+ t = v*(1-s*(1-f));
+ if(index == 0){
+ r = v; g = t; b = p;
+ } else if(index == 1){
+ r = q; g = v; b = p;
+ } else if(index == 2){
+ r = p; g = v; b = t;
+ } else if(index == 3){
+ r = p; g = q; b = v;
+ } else if(index == 4){
+ r = t; g = p; b = v;
+ } else {
+ r = v; g = p; b = q;
}
}
+ set_pixel(im, i, j, 0, r);
+ set_pixel(im, i, j, 1, g);
+ set_pixel(im, i, j, 2, b);
}
- return gray;
}
+}
- image threshold_image(image im, float thresh)
- {
- int i;
- image t = make_image(im.w, im.h, im.c);
- for(i = 0; i < im.w*im.h*im.c; ++i){
- t.data[i] = im.data[i]>thresh ? 1 : 0;
- }
- return t;
- }
-
- image blend_image(image fore, image back, float alpha)
- {
- assert(fore.w == back.w && fore.h == back.h && fore.c == back.c);
- image blend = make_image(fore.w, fore.h, fore.c);
- int i, j, k;
- for(k = 0; k < fore.c; ++k){
- for(j = 0; j < fore.h; ++j){
- for(i = 0; i < fore.w; ++i){
- float val = alpha * get_pixel(fore, i, j, k) +
- (1 - alpha)* get_pixel(back, i, j, k);
- set_pixel(blend, i, j, k, val);
- }
- }
- }
- return blend;
- }
-
- void scale_image_channel(image im, int c, float v)
- {
- int i, j;
+image grayscale_image(image im)
+{
+ assert(im.c == 3);
+ int i, j, k;
+ image gray = make_image(im.w, im.h, 1);
+ float scale[] = {0.587, 0.299, 0.114};
+ for(k = 0; k < im.c; ++k){
for(j = 0; j < im.h; ++j){
for(i = 0; i < im.w; ++i){
- float pix = get_pixel(im, i, j, c);
- pix = pix*v;
- set_pixel(im, i, j, c, pix);
+ gray.data[i+im.w*j] += scale[k]*get_pixel(im, i, j, k);
+ }
+ }
+ }
+ return gray;
+}
+
+image threshold_image(image im, float thresh)
+{
+ int i;
+ image t = make_image(im.w, im.h, im.c);
+ for(i = 0; i < im.w*im.h*im.c; ++i){
+ t.data[i] = im.data[i]>thresh ? 1 : 0;
+ }
+ return t;
+}
+
+image blend_image(image fore, image back, float alpha)
+{
+ assert(fore.w == back.w && fore.h == back.h && fore.c == back.c);
+ image blend = make_image(fore.w, fore.h, fore.c);
+ int i, j, k;
+ for(k = 0; k < fore.c; ++k){
+ for(j = 0; j < fore.h; ++j){
+ for(i = 0; i < fore.w; ++i){
+ float val = alpha * get_pixel(fore, i, j, k) +
+ (1 - alpha)* get_pixel(back, i, j, k);
+ set_pixel(blend, i, j, k, val);
+ }
+ }
+ }
+ return blend;
+}
+
+void scale_image_channel(image im, int c, float v)
+{
+ int i, j;
+ for(j = 0; j < im.h; ++j){
+ for(i = 0; i < im.w; ++i){
+ float pix = get_pixel(im, i, j, c);
+ pix = pix*v;
+ set_pixel(im, i, j, c, pix);
+ }
+ }
+}
+
+image binarize_image(image im)
+{
+ image c = copy_image(im);
+ int i;
+ for(i = 0; i < im.w * im.h * im.c; ++i){
+ if(c.data[i] > .5) c.data[i] = 1;
+ else c.data[i] = 0;
+ }
+ return c;
+}
+
+void saturate_image(image im, float sat)
+{
+ rgb_to_hsv(im);
+ scale_image_channel(im, 1, sat);
+ hsv_to_rgb(im);
+ constrain_image(im);
+}
+
+void exposure_image(image im, float sat)
+{
+ rgb_to_hsv(im);
+ scale_image_channel(im, 2, sat);
+ hsv_to_rgb(im);
+ constrain_image(im);
+}
+
+void saturate_exposure_image(image im, float sat, float exposure)
+{
+ rgb_to_hsv(im);
+ scale_image_channel(im, 1, sat);
+ scale_image_channel(im, 2, exposure);
+ hsv_to_rgb(im);
+ constrain_image(im);
+}
+
+/*
+ image saturate_image(image im, float sat)
+ {
+ image gray = grayscale_image(im);
+ image blend = blend_image(im, gray, sat);
+ free_image(gray);
+ constrain_image(blend);
+ return blend;
+ }
+
+ image brightness_image(image im, float b)
+ {
+ image bright = make_image(im.w, im.h, im.c);
+ return bright;
+ }
+ */
+
+float bilinear_interpolate(image im, float x, float y, int c)
+{
+ int ix = (int) floorf(x);
+ int iy = (int) floorf(y);
+
+ float dx = x - ix;
+ float dy = y - iy;
+
+ float val = (1-dy) * (1-dx) * get_pixel_extend(im, ix, iy, c) +
+ dy * (1-dx) * get_pixel_extend(im, ix, iy+1, c) +
+ (1-dy) * dx * get_pixel_extend(im, ix+1, iy, c) +
+ dy * dx * get_pixel_extend(im, ix+1, iy+1, c);
+ return val;
+}
+
+image resize_image(image im, int w, int h)
+{
+ image resized = make_image(w, h, im.c);
+ image part = make_image(w, im.h, im.c);
+ int r, c, k;
+ float w_scale = (float)(im.w - 1) / (w - 1);
+ float h_scale = (float)(im.h - 1) / (h - 1);
+ for(k = 0; k < im.c; ++k){
+ for(r = 0; r < im.h; ++r){
+ for(c = 0; c < w; ++c){
+ float val = 0;
+ if(c == w-1 || im.w == 1){
+ val = get_pixel(im, im.w-1, r, k);
+ } else {
+ float sx = c*w_scale;
+ int ix = (int) sx;
+ float dx = sx - ix;
+ val = (1 - dx) * get_pixel(im, ix, r, k) + dx * get_pixel(im, ix+1, r, k);
+ }
+ set_pixel(part, c, r, k, val);
+ }
+ }
+ }
+ for(k = 0; k < im.c; ++k){
+ for(r = 0; r < h; ++r){
+ float sy = r*h_scale;
+ int iy = (int) sy;
+ float dy = sy - iy;
+ for(c = 0; c < w; ++c){
+ float val = (1-dy) * get_pixel(part, c, iy, k);
+ set_pixel(resized, c, r, k, val);
+ }
+ if(r == h-1 || im.h == 1) continue;
+ for(c = 0; c < w; ++c){
+ float val = dy * get_pixel(part, c, iy+1, k);
+ add_pixel(resized, c, r, k, val);
}
}
}
- image binarize_image(image im)
- {
- image c = copy_image(im);
- int i;
- for(i = 0; i < im.w * im.h * im.c; ++i){
- if(c.data[i] > .5) c.data[i] = 1;
- else c.data[i] = 0;
- }
- return c;
- }
-
- void saturate_image(image im, float sat)
- {
- rgb_to_hsv(im);
- scale_image_channel(im, 1, sat);
- hsv_to_rgb(im);
- constrain_image(im);
- }
-
- void exposure_image(image im, float sat)
- {
- rgb_to_hsv(im);
- scale_image_channel(im, 2, sat);
- hsv_to_rgb(im);
- constrain_image(im);
- }
-
- void saturate_exposure_image(image im, float sat, float exposure)
- {
- rgb_to_hsv(im);
- scale_image_channel(im, 1, sat);
- scale_image_channel(im, 2, exposure);
- hsv_to_rgb(im);
- constrain_image(im);
- }
-
- /*
- image saturate_image(image im, float sat)
- {
- image gray = grayscale_image(im);
- image blend = blend_image(im, gray, sat);
- free_image(gray);
- constrain_image(blend);
- return blend;
- }
-
- image brightness_image(image im, float b)
- {
- image bright = make_image(im.w, im.h, im.c);
- return bright;
- }
- */
-
- float bilinear_interpolate(image im, float x, float y, int c)
- {
- int ix = (int) floorf(x);
- int iy = (int) floorf(y);
-
- float dx = x - ix;
- float dy = y - iy;
-
- float val = (1-dy) * (1-dx) * get_pixel_extend(im, ix, iy, c) +
- dy * (1-dx) * get_pixel_extend(im, ix, iy+1, c) +
- (1-dy) * dx * get_pixel_extend(im, ix+1, iy, c) +
- dy * dx * get_pixel_extend(im, ix+1, iy+1, c);
- return val;
- }
-
- image resize_image(image im, int w, int h)
- {
- image resized = make_image(w, h, im.c);
- image part = make_image(w, im.h, im.c);
- int r, c, k;
- float w_scale = (float)(im.w - 1) / (w - 1);
- float h_scale = (float)(im.h - 1) / (h - 1);
- for(k = 0; k < im.c; ++k){
- for(r = 0; r < im.h; ++r){
- for(c = 0; c < w; ++c){
- float val = 0;
- if(c == w-1 || im.w == 1){
- val = get_pixel(im, im.w-1, r, k);
- } else {
- float sx = c*w_scale;
- int ix = (int) sx;
- float dx = sx - ix;
- val = (1 - dx) * get_pixel(im, ix, r, k) + dx * get_pixel(im, ix+1, r, k);
- }
- set_pixel(part, c, r, k, val);
- }
- }
- }
- for(k = 0; k < im.c; ++k){
- for(r = 0; r < h; ++r){
- float sy = r*h_scale;
- int iy = (int) sy;
- float dy = sy - iy;
- for(c = 0; c < w; ++c){
- float val = (1-dy) * get_pixel(part, c, iy, k);
- set_pixel(resized, c, r, k, val);
- }
- if(r == h-1 || im.h == 1) continue;
- for(c = 0; c < w; ++c){
- float val = dy * get_pixel(part, c, iy+1, k);
- add_pixel(resized, c, r, k, val);
- }
- }
- }
-
- free_image(part);
- return resized;
- }
+ free_image(part);
+ return resized;
+}
#include "cuda.h"
- void test_resize(char *filename)
- {
- image im = load_image(filename, 0,0, 3);
- float mag = mag_array(im.data, im.w*im.h*im.c);
- printf("L2 Norm: %f\n", mag);
- image gray = grayscale_image(im);
+void test_resize(char *filename)
+{
+ image im = load_image(filename, 0,0, 3);
+ float mag = mag_array(im.data, im.w*im.h*im.c);
+ printf("L2 Norm: %f\n", mag);
+ image gray = grayscale_image(im);
- image sat2 = copy_image(im);
- saturate_image(sat2, 2);
+ image sat2 = copy_image(im);
+ saturate_image(sat2, 2);
- image sat5 = copy_image(im);
- saturate_image(sat5, .5);
+ image sat5 = copy_image(im);
+ saturate_image(sat5, .5);
- image exp2 = copy_image(im);
- exposure_image(exp2, 2);
+ image exp2 = copy_image(im);
+ exposure_image(exp2, 2);
- image exp5 = copy_image(im);
- exposure_image(exp5, .5);
+ image exp5 = copy_image(im);
+ exposure_image(exp5, .5);
- image bin = binarize_image(im);
+ image bin = binarize_image(im);
#ifdef GPU
- image r = resize_image(im, im.w, im.h);
- image black = make_image(im.w*2 + 3, im.h*2 + 3, 9);
- image black2 = make_image(im.w, im.h, 3);
+ image r = resize_image(im, im.w, im.h);
+ image black = make_image(im.w*2 + 3, im.h*2 + 3, 9);
+ image black2 = make_image(im.w, im.h, 3);
- float *r_gpu = cuda_make_array(r.data, r.w*r.h*r.c);
- float *black_gpu = cuda_make_array(black.data, black.w*black.h*black.c);
- float *black2_gpu = cuda_make_array(black2.data, black2.w*black2.h*black2.c);
- shortcut_gpu(3, r.w, r.h, 1, r_gpu, black.w, black.h, 3, black_gpu);
- //flip_image(r);
- //shortcut_gpu(3, r.w, r.h, 1, r.data, black.w, black.h, 3, black.data);
+ float *r_gpu = cuda_make_array(r.data, r.w*r.h*r.c);
+ float *black_gpu = cuda_make_array(black.data, black.w*black.h*black.c);
+ float *black2_gpu = cuda_make_array(black2.data, black2.w*black2.h*black2.c);
+ shortcut_gpu(3, r.w, r.h, 1, r_gpu, black.w, black.h, 3, black_gpu);
+ //flip_image(r);
+ //shortcut_gpu(3, r.w, r.h, 1, r.data, black.w, black.h, 3, black.data);
- shortcut_gpu(3, black.w, black.h, 3, black_gpu, black2.w, black2.h, 1, black2_gpu);
- cuda_pull_array(black_gpu, black.data, black.w*black.h*black.c);
- cuda_pull_array(black2_gpu, black2.data, black2.w*black2.h*black2.c);
- show_image_layers(black, "Black");
- show_image(black2, "Recreate");
+ shortcut_gpu(3, black.w, black.h, 3, black_gpu, black2.w, black2.h, 1, black2_gpu);
+ cuda_pull_array(black_gpu, black.data, black.w*black.h*black.c);
+ cuda_pull_array(black2_gpu, black2.data, black2.w*black2.h*black2.c);
+ show_image_layers(black, "Black");
+ show_image(black2, "Recreate");
#endif
- show_image(im, "Original");
- show_image(bin, "Binary");
- show_image(gray, "Gray");
- show_image(sat2, "Saturation-2");
- show_image(sat5, "Saturation-.5");
- show_image(exp2, "Exposure-2");
- show_image(exp5, "Exposure-.5");
+ show_image(im, "Original");
+ show_image(bin, "Binary");
+ show_image(gray, "Gray");
+ show_image(sat2, "Saturation-2");
+ show_image(sat5, "Saturation-.5");
+ show_image(exp2, "Exposure-2");
+ show_image(exp5, "Exposure-.5");
#ifdef OPENCV
- cvWaitKey(0);
+ cvWaitKey(0);
#endif
- }
+}
#ifdef OPENCV
- image ipl_to_image(IplImage* src)
- {
- unsigned char *data = (unsigned char *)src->imageData;
- int h = src->height;
- int w = src->width;
- int c = src->nChannels;
- int step = src->widthStep;
- image out = make_image(w, h, c);
- int i, j, k, count=0;;
+image ipl_to_image(IplImage* src)
+{
+ unsigned char *data = (unsigned char *)src->imageData;
+ int h = src->height;
+ int w = src->width;
+ int c = src->nChannels;
+ int step = src->widthStep;
+ image out = make_image(w, h, c);
+ int i, j, k, count=0;;
- for(k= 0; k < c; ++k){
- for(i = 0; i < h; ++i){
- for(j = 0; j < w; ++j){
- out.data[count++] = data[i*step + j*c + k]/255.;
- }
+ for(k= 0; k < c; ++k){
+ for(i = 0; i < h; ++i){
+ for(j = 0; j < w; ++j){
+ out.data[count++] = data[i*step + j*c + k]/255.;
}
}
- return out;
+ }
+ return out;
+}
+
+image load_image_cv(char *filename, int channels)
+{
+ IplImage* src = 0;
+ int flag = -1;
+ if (channels == 0) flag = -1;
+ else if (channels == 1) flag = 0;
+ else if (channels == 3) flag = 1;
+ else {
+ fprintf(stderr, "OpenCV can't force load with %d channels\n", channels);
}
- image load_image_cv(char *filename, int channels)
+ if( (src = cvLoadImage(filename, flag)) == 0 )
{
- IplImage* src = 0;
- int flag = -1;
- if (channels == 0) flag = -1;
- else if (channels == 1) flag = 0;
- else if (channels == 3) flag = 1;
- else {
- fprintf(stderr, "OpenCV can't force load with %d channels\n", channels);
- }
-
- if( (src = cvLoadImage(filename, flag)) == 0 )
- {
- fprintf(stderr, "Cannot load image \"%s\"\n", filename);
- char buff[256];
- sprintf(buff, "echo %s >> bad.list", filename);
- system(buff);
- return make_image(10,10,3);
- //exit(0);
- }
- image out = ipl_to_image(src);
- cvReleaseImage(&src);
- rgbgr_image(out);
- return out;
+ fprintf(stderr, "Cannot load image \"%s\"\n", filename);
+ char buff[256];
+ sprintf(buff, "echo %s >> bad.list", filename);
+ system(buff);
+ return make_image(10,10,3);
+ //exit(0);
}
+ image out = ipl_to_image(src);
+ cvReleaseImage(&src);
+ rgbgr_image(out);
+ return out;
+}
#endif
- image load_image_stb(char *filename, int channels)
- {
- int w, h, c;
- unsigned char *data = stbi_load(filename, &w, &h, &c, channels);
- if (!data) {
- fprintf(stderr, "Cannot load image \"%s\"\nSTB Reason: %s\n", filename, stbi_failure_reason());
- exit(0);
- }
- if(channels) c = channels;
- int i,j,k;
- image im = make_image(w, h, c);
- for(k = 0; k < c; ++k){
- for(j = 0; j < h; ++j){
- for(i = 0; i < w; ++i){
- int dst_index = i + w*j + w*h*k;
- int src_index = k + c*i + c*w*j;
- im.data[dst_index] = (float)data[src_index]/255.;
- }
+image load_image_stb(char *filename, int channels)
+{
+ int w, h, c;
+ unsigned char *data = stbi_load(filename, &w, &h, &c, channels);
+ if (!data) {
+ fprintf(stderr, "Cannot load image \"%s\"\nSTB Reason: %s\n", filename, stbi_failure_reason());
+ exit(0);
+ }
+ if(channels) c = channels;
+ int i,j,k;
+ image im = make_image(w, h, c);
+ for(k = 0; k < c; ++k){
+ for(j = 0; j < h; ++j){
+ for(i = 0; i < w; ++i){
+ int dst_index = i + w*j + w*h*k;
+ int src_index = k + c*i + c*w*j;
+ im.data[dst_index] = (float)data[src_index]/255.;
}
}
- free(data);
- return im;
}
+ free(data);
+ return im;
+}
- image load_image(char *filename, int w, int h, int c)
- {
+image load_image(char *filename, int w, int h, int c)
+{
#ifdef OPENCV
- image out = load_image_cv(filename, c);
+ image out = load_image_cv(filename, c);
#else
- image out = load_image_stb(filename, c);
+ image out = load_image_stb(filename, c);
#endif
- if((h && w) && (h != out.h || w != out.w)){
- image resized = resize_image(out, w, h);
- free_image(out);
- out = resized;
- }
- return out;
+ if((h && w) && (h != out.h || w != out.w)){
+ image resized = resize_image(out, w, h);
+ free_image(out);
+ out = resized;
}
+ return out;
+}
- image load_image_color(char *filename, int w, int h)
- {
- return load_image(filename, w, h, 3);
- }
+image load_image_color(char *filename, int w, int h)
+{
+ return load_image(filename, w, h, 3);
+}
- image get_image_layer(image m, int l)
- {
- image out = make_image(m.w, m.h, 1);
- int i;
- for(i = 0; i < m.h*m.w; ++i){
- out.data[i] = m.data[i+l*m.h*m.w];
- }
- return out;
+image get_image_layer(image m, int l)
+{
+ image out = make_image(m.w, m.h, 1);
+ int i;
+ for(i = 0; i < m.h*m.w; ++i){
+ out.data[i] = m.data[i+l*m.h*m.w];
}
+ return out;
+}
- float get_pixel(image m, int x, int y, int c)
- {
- assert(x < m.w && y < m.h && c < m.c);
- return m.data[c*m.h*m.w + y*m.w + x];
- }
- float get_pixel_extend(image m, int x, int y, int c)
- {
- if(x < 0 || x >= m.w || y < 0 || y >= m.h || c < 0 || c >= m.c) return 0;
- return get_pixel(m, x, y, c);
- }
- void set_pixel(image m, int x, int y, int c, float val)
- {
- assert(x < m.w && y < m.h && c < m.c);
- m.data[c*m.h*m.w + y*m.w + x] = val;
- }
- void add_pixel(image m, int x, int y, int c, float val)
- {
- assert(x < m.w && y < m.h && c < m.c);
- m.data[c*m.h*m.w + y*m.w + x] += val;
- }
+float get_pixel(image m, int x, int y, int c)
+{
+ assert(x < m.w && y < m.h && c < m.c);
+ return m.data[c*m.h*m.w + y*m.w + x];
+}
+float get_pixel_extend(image m, int x, int y, int c)
+{
+ if(x < 0 || x >= m.w || y < 0 || y >= m.h || c < 0 || c >= m.c) return 0;
+ return get_pixel(m, x, y, c);
+}
+void set_pixel(image m, int x, int y, int c, float val)
+{
+ assert(x < m.w && y < m.h && c < m.c);
+ m.data[c*m.h*m.w + y*m.w + x] = val;
+}
+void add_pixel(image m, int x, int y, int c, float val)
+{
+ assert(x < m.w && y < m.h && c < m.c);
+ m.data[c*m.h*m.w + y*m.w + x] += val;
+}
- void print_image(image m)
- {
- int i, j, k;
- for(i =0 ; i < m.c; ++i){
- for(j =0 ; j < m.h; ++j){
- for(k = 0; k < m.w; ++k){
- printf("%.2lf, ", m.data[i*m.h*m.w + j*m.w + k]);
- if(k > 30) break;
- }
- printf("\n");
- if(j > 30) break;
+void print_image(image m)
+{
+ int i, j, k;
+ for(i =0 ; i < m.c; ++i){
+ for(j =0 ; j < m.h; ++j){
+ for(k = 0; k < m.w; ++k){
+ printf("%.2lf, ", m.data[i*m.h*m.w + j*m.w + k]);
+ if(k > 30) break;
}
printf("\n");
+ if(j > 30) break;
}
printf("\n");
}
+ printf("\n");
+}
- image collapse_images_vert(image *ims, int n)
- {
- int color = 1;
- int border = 1;
- int h,w,c;
- w = ims[0].w;
- h = (ims[0].h + border) * n - border;
- c = ims[0].c;
- if(c != 3 || !color){
- w = (w+border)*c - border;
- c = 1;
- }
-
- image filters = make_image(w, h, c);
- int i,j;
- for(i = 0; i < n; ++i){
- int h_offset = i*(ims[0].h+border);
- image copy = copy_image(ims[i]);
- //normalize_image(copy);
- if(c == 3 && color){
- embed_image(copy, filters, 0, h_offset);
- }
- else{
- for(j = 0; j < copy.c; ++j){
- int w_offset = j*(ims[0].w+border);
- image layer = get_image_layer(copy, j);
- embed_image(layer, filters, w_offset, h_offset);
- free_image(layer);
- }
- }
- free_image(copy);
- }
- return filters;
- }
-
- image collapse_images_horz(image *ims, int n)
- {
- int color = 1;
- int border = 1;
- int h,w,c;
- int size = ims[0].h;
- h = size;
- w = (ims[0].w + border) * n - border;
- c = ims[0].c;
- if(c != 3 || !color){
- h = (h+border)*c - border;
- c = 1;
- }
-
- image filters = make_image(w, h, c);
- int i,j;
- for(i = 0; i < n; ++i){
- int w_offset = i*(size+border);
- image copy = copy_image(ims[i]);
- //normalize_image(copy);
- if(c == 3 && color){
- embed_image(copy, filters, w_offset, 0);
- }
- else{
- for(j = 0; j < copy.c; ++j){
- int h_offset = j*(size+border);
- image layer = get_image_layer(copy, j);
- embed_image(layer, filters, w_offset, h_offset);
- free_image(layer);
- }
- }
- free_image(copy);
- }
- return filters;
- }
-
- void show_image_normalized(image im, const char *name)
- {
- image c = copy_image(im);
- normalize_image(c);
- show_image(c, name);
- free_image(c);
+image collapse_images_vert(image *ims, int n)
+{
+ int color = 1;
+ int border = 1;
+ int h,w,c;
+ w = ims[0].w;
+ h = (ims[0].h + border) * n - border;
+ c = ims[0].c;
+ if(c != 3 || !color){
+ w = (w+border)*c - border;
+ c = 1;
}
- void show_images(image *ims, int n, char *window)
- {
- image m = collapse_images_vert(ims, n);
- /*
- int w = 448;
- int h = ((float)m.h/m.w) * 448;
- if(h > 896){
- h = 896;
- w = ((float)m.w/m.h) * 896;
- }
- image sized = resize_image(m, w, h);
- */
- normalize_image(m);
- image sized = resize_image(m, m.w, m.h);
- save_image(sized, window);
- show_image(sized, window);
- free_image(sized);
- free_image(m);
+ image filters = make_image(w, h, c);
+ int i,j;
+ for(i = 0; i < n; ++i){
+ int h_offset = i*(ims[0].h+border);
+ image copy = copy_image(ims[i]);
+ //normalize_image(copy);
+ if(c == 3 && color){
+ embed_image(copy, filters, 0, h_offset);
+ }
+ else{
+ for(j = 0; j < copy.c; ++j){
+ int w_offset = j*(ims[0].w+border);
+ image layer = get_image_layer(copy, j);
+ embed_image(layer, filters, w_offset, h_offset);
+ free_image(layer);
+ }
+ }
+ free_image(copy);
+ }
+ return filters;
+}
+
+image collapse_images_horz(image *ims, int n)
+{
+ int color = 1;
+ int border = 1;
+ int h,w,c;
+ int size = ims[0].h;
+ h = size;
+ w = (ims[0].w + border) * n - border;
+ c = ims[0].c;
+ if(c != 3 || !color){
+ h = (h+border)*c - border;
+ c = 1;
}
- void free_image(image m)
- {
- free(m.data);
+ image filters = make_image(w, h, c);
+ int i,j;
+ for(i = 0; i < n; ++i){
+ int w_offset = i*(size+border);
+ image copy = copy_image(ims[i]);
+ //normalize_image(copy);
+ if(c == 3 && color){
+ embed_image(copy, filters, w_offset, 0);
+ }
+ else{
+ for(j = 0; j < copy.c; ++j){
+ int h_offset = j*(size+border);
+ image layer = get_image_layer(copy, j);
+ embed_image(layer, filters, w_offset, h_offset);
+ free_image(layer);
+ }
+ }
+ free_image(copy);
}
+ return filters;
+}
+
+void show_image_normalized(image im, const char *name)
+{
+ image c = copy_image(im);
+ normalize_image(c);
+ show_image(c, name);
+ free_image(c);
+}
+
+void show_images(image *ims, int n, char *window)
+{
+ image m = collapse_images_vert(ims, n);
+ /*
+ int w = 448;
+ int h = ((float)m.h/m.w) * 448;
+ if(h > 896){
+ h = 896;
+ w = ((float)m.w/m.h) * 896;
+ }
+ image sized = resize_image(m, w, h);
+ */
+ normalize_image(m);
+ image sized = resize_image(m, m.w, m.h);
+ save_image(sized, window);
+ show_image(sized, window);
+ free_image(sized);
+ free_image(m);
+}
+
+void free_image(image m)
+{
+ free(m.data);
+}
--
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