| | |
| | | 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); |
| | |
| | | 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); |
| | | } |
| | |
| | | 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); |
| | | } |