| | |
| | | #define STB_IMAGE_WRITE_IMPLEMENTATION |
| | | #include "stb_image_write.h" |
| | | |
| | | #ifdef OPENCV |
| | | #include "opencv2/highgui/highgui_c.h" |
| | | #include "opencv2/imgproc/imgproc_c.h" |
| | | #endif |
| | | |
| | | |
| | | int windows = 0; |
| | | |
| | | float colors[6][3] = { {1,0,1}, {0,0,1},{0,1,1},{0,1,0},{1,1,0},{1,0,0} }; |
| | |
| | | return r; |
| | | } |
| | | |
| | | void composite_image(image source, image dest, int dx, int dy) |
| | | { |
| | | int x,y,k; |
| | | for(k = 0; k < source.c; ++k){ |
| | | for(y = 0; y < source.h; ++y){ |
| | | for(x = 0; x < source.w; ++x){ |
| | | float val = get_pixel(source, x, y, k); |
| | | float val2 = get_pixel_extend(dest, dx+x, dy+y, k); |
| | | set_pixel(dest, dx+x, dy+y, k, val * val2); |
| | | } |
| | | } |
| | | } |
| | | } |
| | | |
| | | image border_image(image a, int border) |
| | | { |
| | | image b = make_image(a.w + 2*border, a.h + 2*border, a.c); |
| | | int x,y,k; |
| | | for(k = 0; k < b.c; ++k){ |
| | | 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 b; |
| | | } |
| | | |
| | | image tile_images(image a, image b, int dx) |
| | | { |
| | | if(a.w == 0) return copy_image(b); |
| | | image c = make_image(a.w + b.w + dx, (a.h > b.h) ? a.h : b.h, (a.c > b.c) ? a.c : b.c); |
| | | fill_cpu(c.w*c.h*c.c, 1, c.data, 1); |
| | | embed_image(a, c, 0, 0); |
| | | composite_image(b, c, a.w + dx, 0); |
| | | return c; |
| | | } |
| | | |
| | | 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[size][(int)*string]; |
| | | image n = tile_images(label, l, -size - 1 + (size+1)/2); |
| | | free_image(label); |
| | | label = n; |
| | | ++string; |
| | | } |
| | | image b = border_image(label, label.h*.25); |
| | | free_image(label); |
| | | return b; |
| | | } |
| | | |
| | | void draw_label(image a, int r, int c, image label, const float *rgb) |
| | | { |
| | | float ratio = (float) label.w / label.h; |
| | | int w = label.w; |
| | | int h = label.h; |
| | | int w = ratio * h; |
| | | image rl = resize_image(label, w, 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) |
| | |
| | | } |
| | | } |
| | | |
| | | void draw_detections(image im, int num, float thresh, box *boxes, float **probs, char **names, image *labels, int classes) |
| | | image **load_alphabet() |
| | | { |
| | | 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 alphabets; |
| | | } |
| | | |
| | | 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 = 8; |
| | | |
| | | 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); |
| | |
| | | if(bot > im.h-1) bot = im.h-1; |
| | | |
| | | draw_box_width(im, left, top, right, bot, width, red, green, blue); |
| | | if (labels) draw_label(im, top + width, left, labels[class], rgb); |
| | | if (alphabet) { |
| | | image label = get_label(alphabet, names[class], (im.h*.03)/10); |
| | | draw_label(im, top + width, left, label, rgb); |
| | | } |
| | | } |
| | | } |
| | | } |
| | |
| | | } |
| | | |
| | | #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;; |
| | | |
| | | 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; |
| | | } |
| | | |
| | | 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); |
| | | } |
| | | |
| | | 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; |
| | | } |
| | | |
| | | image get_image_from_stream(CvCapture *cap) |
| | | { |
| | | IplImage* src = cvQueryFrame(cap); |
| | |
| | | rgbgr_image(im); |
| | | return im; |
| | | } |
| | | #endif |
| | | |
| | | #ifdef OPENCV |
| | | void save_image_jpg(image p, const char *name) |
| | | { |
| | | image copy = copy_image(p); |
| | |
| | | } |
| | | #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 |
| | | } |
| | | |
| | |
| | | return out; |
| | | } |
| | | |
| | | image rotate_crop_image(image im, float rad, float s, int w, int h, int dx, int dy) |
| | | |
| | | image rotate_crop_image(image im, float rad, float s, int w, int h, float dx, float dy, float aspect) |
| | | { |
| | | int x, y, c; |
| | | float cx = im.w/2.; |
| | |
| | | for(c = 0; c < im.c; ++c){ |
| | | for(y = 0; y < h; ++y){ |
| | | for(x = 0; x < w; ++x){ |
| | | float rx = cos(rad)*(x/s + dx/s -cx) - sin(rad)*(y/s + dy/s -cy) + cx; |
| | | float ry = sin(rad)*(x/s + dx/s -cx) + cos(rad)*(y/s + dy/s -cy) + cy; |
| | | float rx = cos(rad)*((x - w/2.)/s*aspect + dx/s*aspect) - sin(rad)*((y - h/2.)/s + dy/s) + cx; |
| | | float ry = sin(rad)*((x - w/2.)/s*aspect + dx/s*aspect) + cos(rad)*((y - h/2.)/s + dy/s) + cy; |
| | | float val = bilinear_interpolate(im, rx, ry, c); |
| | | set_pixel(rot, x, y, c, val); |
| | | } |
| | |
| | | #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; |
| | |
| | | return crop; |
| | | } |
| | | |
| | | image random_augment_image(image im, float angle, int low, int high, int size) |
| | | image random_augment_image(image im, float angle, float aspect, int low, int high, int size) |
| | | { |
| | | aspect = rand_scale(aspect); |
| | | int r = rand_int(low, high); |
| | | int min = (im.h < im.w) ? im.h : im.w; |
| | | int min = (im.h < im.w*aspect) ? im.h : im.w*aspect; |
| | | float scale = (float)r / min; |
| | | |
| | | float rad = rand_uniform(-angle, angle) * TWO_PI / 360.; |
| | | int dx = rand_int(0, scale * im.w - size); |
| | | int dy = rand_int(0, scale * im.h - size); |
| | | //printf("%d %d\n", dx, dy); |
| | | |
| | | image crop = rotate_crop_image(im, rad, scale, size, size, dx, dy); |
| | | float dx = (im.w*scale/aspect - size) / 2.; |
| | | float dy = (im.h*scale - size) / 2.; |
| | | if(dx < 0) dx = 0; |
| | | if(dy < 0) dy = 0; |
| | | dx = rand_uniform(-dx, dx); |
| | | dy = rand_uniform(-dy, dy); |
| | | |
| | | image crop = rotate_crop_image(im, rad, scale, size, size, dx, dy, aspect); |
| | | |
| | | return crop; |
| | | } |
| | |
| | | show_image(c4, "C4"); |
| | | #ifdef OPENCV |
| | | while(1){ |
| | | image aug = random_augment_image(im, 0, .75, 320, 448, 320); |
| | | show_image(aug, "aug"); |
| | | free_image(aug); |
| | | |
| | | |
| | | float exposure = 1.15; |
| | | float saturation = 1.15; |
| | | float hue = .05; |
| | |
| | | #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;; |
| | | |
| | | 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; |
| | | } |
| | | |
| | | 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); |
| | | } |
| | | |
| | | 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; |
| | | } |
| | | |
| | | #endif |
| | | |
| | | |
| | | image load_image_stb(char *filename, int channels) |
| | | { |
| | |
| | | } |
| | | void set_pixel(image m, int x, int y, int c, float val) |
| | | { |
| | | if (x < 0 || y < 0 || c < 0 || x >= m.w || y >= m.h || c >= m.c) return; |
| | | assert(x < m.w && y < m.h && c < m.c); |
| | | m.data[c*m.h*m.w + y*m.w + x] = val; |
| | | } |
| | |
| | | |
| | | void free_image(image m) |
| | | { |
| | | free(m.data); |
| | | if(m.data){ |
| | | free(m.data); |
| | | } |
| | | } |