| | |
| | | for(y = 0; y < b.h; ++y){ |
| | | for(x = 0; x < b.w; ++x){ |
| | | float val = get_pixel_extend(a, x - border, y - border, k); |
| | | if(x - border < 0 || x - border >= a.w || y - border < 0 || y - border >= a.h) val = 1; |
| | | set_pixel(b, x, y, k, val); |
| | | } |
| | | } |
| | |
| | | return c; |
| | | } |
| | | |
| | | image get_label(image *characters, char *string) |
| | | image get_label(image **characters, char *string, int size) |
| | | { |
| | | if(size > 7) size = 7; |
| | | image label = make_empty_image(0,0,0); |
| | | while(*string){ |
| | | image l = characters[(int)*string]; |
| | | image n = tile_images(label, l, -4); |
| | | image l = characters[size][(int)*string]; |
| | | image n = tile_images(label, l, -size - 1 + (size+1)/2); |
| | | free_image(label); |
| | | label = n; |
| | | ++string; |
| | |
| | | |
| | | void draw_label(image a, int r, int c, image label, const float *rgb) |
| | | { |
| | | float ratio = (float) label.w / label.h; |
| | | int h = a.h * .04; |
| | | h = label.h; |
| | | h = a.h * .06; |
| | | int w = ratio * h; |
| | | image rl = resize_image(label, w, h); |
| | | int w = label.w; |
| | | int h = label.h; |
| | | if (r - h >= 0) r = r - h; |
| | | |
| | | int i, j, k; |
| | | for(j = 0; j < h && j + r < a.h; ++j){ |
| | | for(i = 0; i < w && i + c < a.w; ++i){ |
| | | for(k = 0; k < label.c; ++k){ |
| | | float val = get_pixel(rl, i, j, k); |
| | | float val = get_pixel(label, i, j, k); |
| | | set_pixel(a, i+c, j+r, k, rgb[k] * val); |
| | | } |
| | | } |
| | | } |
| | | free_image(rl); |
| | | } |
| | | |
| | | void draw_box(image a, int x1, int y1, int x2, int y2, float r, float g, float b) |
| | |
| | | } |
| | | } |
| | | |
| | | image *load_alphabet() |
| | | image **load_alphabet() |
| | | { |
| | | int i; |
| | | image *alphabet = calloc(128, sizeof(image)); |
| | | for(i = 32; i < 127; ++i){ |
| | | char buff[256]; |
| | | sprintf(buff, "data/labels/%d.png", i); |
| | | alphabet[i] = load_image_color(buff, 0, 0); |
| | | int i, j; |
| | | const int nsize = 8; |
| | | image **alphabets = calloc(nsize, sizeof(image)); |
| | | for(j = 0; j < nsize; ++j){ |
| | | alphabets[j] = calloc(128, sizeof(image)); |
| | | for(i = 32; i < 127; ++i){ |
| | | char buff[256]; |
| | | sprintf(buff, "data/labels/%d_%d.png", i, j); |
| | | alphabets[j][i] = load_image_color(buff, 0, 0); |
| | | } |
| | | } |
| | | return alphabet; |
| | | return alphabets; |
| | | } |
| | | |
| | | void draw_detections(image im, int num, float thresh, box *boxes, float **probs, char **names, image *alphabet, int classes) |
| | | void draw_detections(image im, int num, float thresh, box *boxes, float **probs, char **names, image **alphabet, int classes) |
| | | { |
| | | int i; |
| | | |
| | |
| | | int class = max_index(probs[i], classes); |
| | | float prob = probs[i][class]; |
| | | if(prob > thresh){ |
| | | //int width = pow(prob, 1./2.)*30+1; |
| | | |
| | | int width = im.h * .012; |
| | | |
| | | if(0){ |
| | | width = pow(prob, 1./2.)*10+1; |
| | | alphabet = 0; |
| | | } |
| | | |
| | | printf("%s: %.0f%%\n", names[class], prob*100); |
| | | int offset = class*1 % classes; |
| | | int offset = class*123457 % classes; |
| | | float red = get_color(2,offset,classes); |
| | | float green = get_color(1,offset,classes); |
| | | float blue = get_color(0,offset,classes); |
| | |
| | | |
| | | draw_box_width(im, left, top, right, bot, width, red, green, blue); |
| | | if (alphabet) { |
| | | image label = get_label(alphabet, names[class]); |
| | | image label = get_label(alphabet, names[class], (im.h*.03)/10); |
| | | draw_label(im, top + width, left, label, rgb); |
| | | } |
| | | } |
| | |
| | | } |
| | | #endif |
| | | |
| | | void save_image(image im, const char *name) |
| | | void save_image_png(image im, const char *name) |
| | | { |
| | | #ifdef OPENCV |
| | | save_image_jpg(im, name); |
| | | #else |
| | | char buff[256]; |
| | | //sprintf(buff, "%s (%d)", name, windows); |
| | | sprintf(buff, "%s.png", name); |
| | |
| | | int success = stbi_write_png(buff, im.w, im.h, im.c, data, im.w*im.c); |
| | | free(data); |
| | | if(!success) fprintf(stderr, "Failed to write image %s\n", buff); |
| | | } |
| | | |
| | | void save_image(image im, const char *name) |
| | | { |
| | | #ifdef OPENCV |
| | | save_image_jpg(im, name); |
| | | #else |
| | | save_image_png(im, name); |
| | | #endif |
| | | } |
| | | |
| | |
| | | #endif |
| | | } |
| | | |
| | | image resize_max(image im, int max) |
| | | { |
| | | int w = im.w; |
| | | int h = im.h; |
| | | if(w > h){ |
| | | h = (h * max) / w; |
| | | w = max; |
| | | } else { |
| | | w = (w * max) / h; |
| | | h = max; |
| | | } |
| | | if(w == im.w && h == im.h) return im; |
| | | image resized = resize_image(im, w, h); |
| | | return resized; |
| | | } |
| | | |
| | | image resize_min(image im, int min) |
| | | { |
| | | int w = im.w; |
| | |
| | | show_image(c4, "C4"); |
| | | #ifdef OPENCV |
| | | while(1){ |
| | | image aug = random_augment_image(im, 0, 320, 448, 320, .75); |
| | | image aug = random_augment_image(im, 0, .75, 320, 448, 320); |
| | | show_image(aug, "aug"); |
| | | free_image(aug); |
| | | |