| | |
| | | #include "image.h" |
| | | #include "utils.h" |
| | | #include "blas.h" |
| | | #include "cuda.h" |
| | | #include <stdio.h> |
| | | #include <math.h> |
| | | |
| | | #ifdef OPENCV |
| | | #include "opencv2/highgui/highgui_c.h" |
| | | #include "opencv2/imgproc/imgproc_c.h" |
| | | #endif |
| | | |
| | | #define STB_IMAGE_IMPLEMENTATION |
| | | #include "stb_image.h" |
| | | #define STB_IMAGE_WRITE_IMPLEMENTATION |
| | | #include "stb_image_write.h" |
| | | |
| | | #ifdef OPENCV |
| | | #include "opencv2/highgui/highgui_c.h" |
| | | #include "opencv2/imgproc/imgproc_c.h" |
| | | #include "opencv2/core/types_c.h" |
| | | #include "opencv2/core/version.hpp" |
| | | #ifndef CV_VERSION_EPOCH |
| | | #include "opencv2/videoio/videoio_c.h" |
| | | #include "opencv2/imgcodecs/imgcodecs_c.h" |
| | | #include "http_stream.h" |
| | | #endif |
| | | #include "http_stream.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; |
| | | } |
| | | |
| | | static 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]; |
| | | } |
| | | static float get_pixel_extend(image m, int x, int y, int c) |
| | | { |
| | | if (x < 0 || x >= m.w || y < 0 || y >= m.h) return 0; |
| | | /* |
| | | if(x < 0) x = 0; |
| | | if(x >= m.w) x = m.w-1; |
| | | if(y < 0) y = 0; |
| | | if(y >= m.h) y = m.h-1; |
| | | */ |
| | | if (c < 0 || c >= m.c) return 0; |
| | | return get_pixel(m, x, y, c); |
| | | } |
| | | static 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; |
| | | } |
| | | static 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 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; |
| | | } |
| | | |
| | | image get_label_v3(image **characters, char *string, int size) |
| | | { |
| | | size = size / 10; |
| | | 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_v3(image im, detection *dets, int num, float thresh, char **names, image **alphabet, int classes) |
| | | { |
| | | int i, j; |
| | | |
| | | for (i = 0; i < num; ++i) { |
| | | char labelstr[4096] = { 0 }; |
| | | int class_id = -1; |
| | | for (j = 0; j < classes; ++j) { |
| | | if (dets[i].prob[j] > thresh) { |
| | | if (class_id < 0) { |
| | | strcat(labelstr, names[j]); |
| | | class_id = j; |
| | | } |
| | | else { |
| | | strcat(labelstr, ", "); |
| | | strcat(labelstr, names[j]); |
| | | } |
| | | printf("%s: %.0f%%\n", names[j], dets[i].prob[j] * 100); |
| | | } |
| | | } |
| | | if (class_id >= 0) { |
| | | int width = im.h * .006; |
| | | if (width < 1) |
| | | width = 1; |
| | | |
| | | /* |
| | | if(0){ |
| | | width = pow(prob, 1./2.)*10+1; |
| | | alphabet = 0; |
| | | } |
| | | */ |
| | | |
| | | //printf("%d %s: %.0f%%\n", i, names[class_id], prob*100); |
| | | int offset = class_id * 123457 % classes; |
| | | float red = get_color(2, offset, classes); |
| | | float green = get_color(1, offset, classes); |
| | | float blue = get_color(0, offset, classes); |
| | | float rgb[3]; |
| | | |
| | | //width = prob*20+2; |
| | | |
| | | rgb[0] = red; |
| | | rgb[1] = green; |
| | | rgb[2] = blue; |
| | | box b = dets[i].bbox; |
| | | //printf("%f %f %f %f\n", b.x, b.y, b.w, b.h); |
| | | |
| | | int left = (b.x - b.w / 2.)*im.w; |
| | | int right = (b.x + b.w / 2.)*im.w; |
| | | int top = (b.y - b.h / 2.)*im.h; |
| | | int bot = (b.y + b.h / 2.)*im.h; |
| | | |
| | | if (left < 0) left = 0; |
| | | if (right > im.w - 1) right = im.w - 1; |
| | | if (top < 0) top = 0; |
| | | if (bot > im.h - 1) bot = im.h - 1; |
| | | |
| | | //int b_x_center = (left + right) / 2; |
| | | //int b_y_center = (top + bot) / 2; |
| | | //int b_width = right - left; |
| | | //int b_height = bot - top; |
| | | //sprintf(labelstr, "%d x %d - w: %d, h: %d", b_x_center, b_y_center, b_width, b_height); |
| | | |
| | | draw_box_width(im, left, top, right, bot, width, red, green, blue); |
| | | if (alphabet) { |
| | | image label = get_label_v3(alphabet, labelstr, (im.h*.03)); |
| | | draw_label(im, top + width, left, label, rgb); |
| | | free_image(label); |
| | | } |
| | | if (dets[i].mask) { |
| | | image mask = float_to_image(14, 14, 1, dets[i].mask); |
| | | image resized_mask = resize_image(mask, b.w*im.w, b.h*im.h); |
| | | image tmask = threshold_image(resized_mask, .5); |
| | | embed_image(tmask, im, left, top); |
| | | free_image(mask); |
| | | free_image(resized_mask); |
| | | free_image(tmask); |
| | | } |
| | | } |
| | | } |
| | | } |
| | | |
| | | void draw_detections(image im, int num, float thresh, box *boxes, float **probs, char **names, image **alphabet, int classes) |
| | | { |
| | | int i; |
| | | |
| | | for(i = 0; i < num; ++i){ |
| | | int class = max_index(probs[i], classes); |
| | | float prob = probs[i][class]; |
| | | int class_id = max_index(probs[i], classes); |
| | | float prob = probs[i][class_id]; |
| | | if(prob > thresh){ |
| | | int width = pow(prob, 1./2.)*10+1; |
| | | printf("%s: %.2f\n", names[class], prob); |
| | | int offset = class*17 % classes; |
| | | float red = get_color(0,offset,classes); |
| | | |
| | | //// for comparison with OpenCV version of DNN Darknet Yolo v2 |
| | | //printf("\n %f, %f, %f, %f, ", boxes[i].x, boxes[i].y, boxes[i].w, boxes[i].h); |
| | | // int k; |
| | | //for (k = 0; k < classes; ++k) { |
| | | // printf("%f, ", probs[i][k]); |
| | | //} |
| | | //printf("\n"); |
| | | |
| | | int width = im.h * .012; |
| | | |
| | | if(0){ |
| | | width = pow(prob, 1./2.)*10+1; |
| | | alphabet = 0; |
| | | } |
| | | |
| | | int offset = class_id*123457 % classes; |
| | | float red = get_color(2,offset,classes); |
| | | float green = get_color(1,offset,classes); |
| | | float blue = get_color(2,offset,classes); |
| | | float blue = get_color(0,offset,classes); |
| | | float rgb[3]; |
| | | |
| | | //width = prob*20+2; |
| | | |
| | | rgb[0] = red; |
| | | rgb[1] = green; |
| | | rgb[2] = blue; |
| | |
| | | if(right > im.w-1) right = im.w-1; |
| | | if(top < 0) top = 0; |
| | | if(bot > im.h-1) bot = im.h-1; |
| | | printf("%s: %.0f%%", names[class_id], prob * 100); |
| | | |
| | | //printf(" - id: %d, x_center: %d, y_center: %d, width: %d, height: %d", |
| | | // class_id, (right + left) / 2, (bot - top) / 2, right - left, bot - top); |
| | | |
| | | printf("\n"); |
| | | 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_id], (im.h*.03)/10); |
| | | draw_label(im, top + width, left, label, rgb); |
| | | } |
| | | } |
| | | } |
| | | } |
| | | |
| | | #ifdef OPENCV |
| | | |
| | | void draw_detections_cv_v3(IplImage* show_img, detection *dets, int num, float thresh, char **names, image **alphabet, int classes) |
| | | { |
| | | int i, j; |
| | | if (!show_img) return; |
| | | |
| | | for (i = 0; i < num; ++i) { |
| | | char labelstr[4096] = { 0 }; |
| | | int class_id = -1; |
| | | for (j = 0; j < classes; ++j) { |
| | | if (dets[i].prob[j] > thresh) { |
| | | if (class_id < 0) { |
| | | strcat(labelstr, names[j]); |
| | | class_id = j; |
| | | } |
| | | else { |
| | | strcat(labelstr, ", "); |
| | | strcat(labelstr, names[j]); |
| | | } |
| | | printf("%s: %.0f%%\n", names[j], dets[i].prob[j] * 100); |
| | | } |
| | | } |
| | | if (class_id >= 0) { |
| | | int width = show_img->height * .006; |
| | | |
| | | /* |
| | | if(0){ |
| | | width = pow(prob, 1./2.)*10+1; |
| | | alphabet = 0; |
| | | } |
| | | */ |
| | | |
| | | //printf("%d %s: %.0f%%\n", i, names[class_id], prob*100); |
| | | int offset = class_id * 123457 % classes; |
| | | float red = get_color(2, offset, classes); |
| | | float green = get_color(1, offset, classes); |
| | | float blue = get_color(0, offset, classes); |
| | | float rgb[3]; |
| | | |
| | | //width = prob*20+2; |
| | | |
| | | rgb[0] = red; |
| | | rgb[1] = green; |
| | | rgb[2] = blue; |
| | | box b = dets[i].bbox; |
| | | //printf("%f %f %f %f\n", b.x, b.y, b.w, b.h); |
| | | |
| | | int left = (b.x - b.w / 2.)*show_img->width; |
| | | int right = (b.x + b.w / 2.)*show_img->width; |
| | | int top = (b.y - b.h / 2.)*show_img->height; |
| | | int bot = (b.y + b.h / 2.)*show_img->height; |
| | | |
| | | if (left < 0) left = 0; |
| | | if (right > show_img->width - 1) right = show_img->width - 1; |
| | | if (top < 0) top = 0; |
| | | if (bot > show_img->height - 1) bot = show_img->height - 1; |
| | | |
| | | //int b_x_center = (left + right) / 2; |
| | | //int b_y_center = (top + bot) / 2; |
| | | //int b_width = right - left; |
| | | //int b_height = bot - top; |
| | | //sprintf(labelstr, "%d x %d - w: %d, h: %d", b_x_center, b_y_center, b_width, b_height); |
| | | |
| | | float const font_size = show_img->height / 1000.F; |
| | | CvPoint pt1, pt2, pt_text, pt_text_bg1, pt_text_bg2; |
| | | pt1.x = left; |
| | | pt1.y = top; |
| | | pt2.x = right; |
| | | pt2.y = bot; |
| | | pt_text.x = left; |
| | | pt_text.y = top - 12; |
| | | pt_text_bg1.x = left; |
| | | pt_text_bg1.y = top - (10 + 25 * font_size); |
| | | pt_text_bg2.x = right; |
| | | pt_text_bg2.y = top; |
| | | CvScalar color; |
| | | color.val[0] = red * 256; |
| | | color.val[1] = green * 256; |
| | | color.val[2] = blue * 256; |
| | | |
| | | cvRectangle(show_img, pt1, pt2, color, width, 8, 0); |
| | | //printf("left=%d, right=%d, top=%d, bottom=%d, obj_id=%d, obj=%s \n", left, right, top, bot, class_id, names[class_id]); |
| | | cvRectangle(show_img, pt_text_bg1, pt_text_bg2, color, width, 8, 0); |
| | | cvRectangle(show_img, pt_text_bg1, pt_text_bg2, color, CV_FILLED, 8, 0); // filled |
| | | CvScalar black_color; |
| | | black_color.val[0] = 0; |
| | | CvFont font; |
| | | cvInitFont(&font, CV_FONT_HERSHEY_SIMPLEX, font_size, font_size, 0, font_size * 3, 8); |
| | | cvPutText(show_img, labelstr, pt_text, &font, black_color); |
| | | } |
| | | } |
| | | } |
| | | |
| | | void draw_detections_cv(IplImage* show_img, int num, float thresh, box *boxes, float **probs, char **names, image **alphabet, int classes) |
| | | { |
| | | int i; |
| | | |
| | | for (i = 0; i < num; ++i) { |
| | | int class_id = max_index(probs[i], classes); |
| | | float prob = probs[i][class_id]; |
| | | if (prob > thresh) { |
| | | |
| | | int width = show_img->height * .012; |
| | | |
| | | if (0) { |
| | | width = pow(prob, 1. / 2.) * 10 + 1; |
| | | alphabet = 0; |
| | | } |
| | | |
| | | printf("%s: %.0f%%\n", names[class_id], prob * 100); |
| | | int offset = class_id * 123457 % classes; |
| | | float red = get_color(2, offset, classes); |
| | | float green = get_color(1, offset, classes); |
| | | float blue = get_color(0, offset, classes); |
| | | float rgb[3]; |
| | | |
| | | //width = prob*20+2; |
| | | |
| | | rgb[0] = red; |
| | | rgb[1] = green; |
| | | rgb[2] = blue; |
| | | box b = boxes[i]; |
| | | |
| | | int left = (b.x - b.w / 2.)*show_img->width; |
| | | int right = (b.x + b.w / 2.)*show_img->width; |
| | | int top = (b.y - b.h / 2.)*show_img->height; |
| | | int bot = (b.y + b.h / 2.)*show_img->height; |
| | | |
| | | if (left < 0) left = 0; |
| | | if (right > show_img->width - 1) right = show_img->width - 1; |
| | | if (top < 0) top = 0; |
| | | if (bot > show_img->height - 1) bot = show_img->height - 1; |
| | | |
| | | float const font_size = show_img->height / 1000.F; |
| | | CvPoint pt1, pt2, pt_text, pt_text_bg1, pt_text_bg2; |
| | | pt1.x = left; |
| | | pt1.y = top; |
| | | pt2.x = right; |
| | | pt2.y = bot; |
| | | pt_text.x = left; |
| | | pt_text.y = top - 12; |
| | | pt_text_bg1.x = left; |
| | | pt_text_bg1.y = top - (10+25*font_size); |
| | | pt_text_bg2.x = right; |
| | | pt_text_bg2.y = top; |
| | | CvScalar color; |
| | | color.val[0] = red * 256; |
| | | color.val[1] = green * 256; |
| | | color.val[2] = blue * 256; |
| | | |
| | | cvRectangle(show_img, pt1, pt2, color, width, 8, 0); |
| | | //printf("left=%d, right=%d, top=%d, bottom=%d, obj_id=%d, obj=%s \n", left, right, top, bot, class_id, names[class_id]); |
| | | cvRectangle(show_img, pt_text_bg1, pt_text_bg2, color, width, 8, 0); |
| | | cvRectangle(show_img, pt_text_bg1, pt_text_bg2, color, CV_FILLED, 8, 0); // filled |
| | | CvScalar black_color; |
| | | black_color.val[0] = 0; |
| | | CvFont font; |
| | | cvInitFont(&font, CV_FONT_HERSHEY_SIMPLEX, font_size, font_size, 0, font_size * 3, 8); |
| | | cvPutText(show_img, names[class_id], pt_text, &font, black_color); |
| | | } |
| | | } |
| | | } |
| | | |
| | | IplImage* draw_train_chart(float max_img_loss, int max_batches, int number_of_lines, int img_size) |
| | | { |
| | | int img_offset = 50; |
| | | int draw_size = img_size - img_offset; |
| | | IplImage* img = cvCreateImage(cvSize(img_size, img_size), 8, 3); |
| | | cvSet(img, CV_RGB(255, 255, 255), 0); |
| | | CvPoint pt1, pt2, pt_text; |
| | | CvFont font; |
| | | cvInitFont(&font, CV_FONT_HERSHEY_COMPLEX_SMALL, 0.7, 0.7, 0, 1, CV_AA); |
| | | char char_buff[100]; |
| | | int i; |
| | | // vertical lines |
| | | pt1.x = img_offset; pt2.x = img_size, pt_text.x = 10; |
| | | for (i = 1; i <= number_of_lines; ++i) { |
| | | pt1.y = pt2.y = (float)i * draw_size / number_of_lines; |
| | | cvLine(img, pt1, pt2, CV_RGB(224, 224, 224), 1, 8, 0); |
| | | if (i % 10 == 0) { |
| | | sprintf(char_buff, "%2.1f", max_img_loss*(number_of_lines - i) / number_of_lines); |
| | | pt_text.y = pt1.y + 5; |
| | | cvPutText(img, char_buff, pt_text, &font, CV_RGB(0, 0, 0)); |
| | | cvLine(img, pt1, pt2, CV_RGB(128, 128, 128), 1, 8, 0); |
| | | } |
| | | } |
| | | // horizontal lines |
| | | pt1.y = draw_size; pt2.y = 0, pt_text.y = draw_size + 15; |
| | | for (i = 0; i <= number_of_lines; ++i) { |
| | | pt1.x = pt2.x = img_offset + (float)i * draw_size / number_of_lines; |
| | | cvLine(img, pt1, pt2, CV_RGB(224, 224, 224), 1, 8, 0); |
| | | if (i % 10 == 0) { |
| | | sprintf(char_buff, "%d", max_batches * i / number_of_lines); |
| | | pt_text.x = pt1.x - 20; |
| | | cvPutText(img, char_buff, pt_text, &font, CV_RGB(0, 0, 0)); |
| | | cvLine(img, pt1, pt2, CV_RGB(128, 128, 128), 1, 8, 0); |
| | | } |
| | | } |
| | | cvPutText(img, "Iteration number", cvPoint(draw_size / 2, img_size - 10), &font, CV_RGB(0, 0, 0)); |
| | | cvPutText(img, "Press 's' to save: chart.jpg", cvPoint(5, img_size - 10), &font, CV_RGB(0, 0, 0)); |
| | | printf(" If error occurs - run training with flag: -dont_show \n"); |
| | | cvNamedWindow("average loss", CV_WINDOW_NORMAL); |
| | | cvMoveWindow("average loss", 0, 0); |
| | | cvResizeWindow("average loss", img_size, img_size); |
| | | cvShowImage("average loss", img); |
| | | cvWaitKey(20); |
| | | return img; |
| | | } |
| | | |
| | | void draw_train_loss(IplImage* img, int img_size, float avg_loss, float max_img_loss, int current_batch, int max_batches) |
| | | { |
| | | int img_offset = 50; |
| | | int draw_size = img_size - img_offset; |
| | | CvFont font; |
| | | cvInitFont(&font, CV_FONT_HERSHEY_COMPLEX_SMALL, 0.7, 0.7, 0, 1, CV_AA); |
| | | char char_buff[100]; |
| | | CvPoint pt1, pt2; |
| | | pt1.x = img_offset + draw_size * (float)current_batch / max_batches; |
| | | pt1.y = draw_size * (1 - avg_loss / max_img_loss); |
| | | if (pt1.y < 0) pt1.y = 1; |
| | | cvCircle(img, pt1, 1, CV_RGB(0, 0, 255), CV_FILLED, 8, 0); |
| | | |
| | | sprintf(char_buff, "current avg loss = %2.4f", avg_loss); |
| | | pt1.x = img_size / 2, pt1.y = 30; |
| | | pt2.x = pt1.x + 250, pt2.y = pt1.y + 20; |
| | | cvRectangle(img, pt1, pt2, CV_RGB(255, 255, 255), CV_FILLED, 8, 0); |
| | | pt1.y += 15; |
| | | cvPutText(img, char_buff, pt1, &font, CV_RGB(0, 0, 0)); |
| | | cvShowImage("average loss", img); |
| | | int k = cvWaitKey(20); |
| | | if (k == 's' || current_batch == (max_batches-1)) cvSaveImage("chart.jpg", img, 0); |
| | | } |
| | | #endif // OPENCV |
| | | |
| | | void transpose_image(image im) |
| | | { |
| | | assert(im.w == im.h); |
| | | int n, m; |
| | | int c; |
| | | for(c = 0; c < im.c; ++c){ |
| | | for(n = 0; n < im.w-1; ++n){ |
| | | for(m = n + 1; m < im.w; ++m){ |
| | | float swap = im.data[m + im.w*(n + im.h*c)]; |
| | | im.data[m + im.w*(n + im.h*c)] = im.data[n + im.w*(m + im.h*c)]; |
| | | im.data[n + im.w*(m + im.h*c)] = swap; |
| | | } |
| | | } |
| | | } |
| | | } |
| | | |
| | | void rotate_image_cw(image im, int times) |
| | | { |
| | | assert(im.w == im.h); |
| | | times = (times + 400) % 4; |
| | | int i, x, y, c; |
| | | int n = im.w; |
| | | for(i = 0; i < times; ++i){ |
| | | for(c = 0; c < im.c; ++c){ |
| | | for(x = 0; x < n/2; ++x){ |
| | | for(y = 0; y < (n-1)/2 + 1; ++y){ |
| | | float temp = im.data[y + im.w*(x + im.h*c)]; |
| | | im.data[y + im.w*(x + im.h*c)] = im.data[n-1-x + im.w*(y + im.h*c)]; |
| | | im.data[n-1-x + im.w*(y + im.h*c)] = im.data[n-1-y + im.w*(n-1-x + im.h*c)]; |
| | | im.data[n-1-y + im.w*(n-1-x + im.h*c)] = im.data[x + im.w*(n-1-y + im.h*c)]; |
| | | im.data[x + im.w*(n-1-y + im.h*c)] = temp; |
| | | } |
| | | } |
| | | } |
| | | } |
| | | } |
| | | |
| | | void flip_image(image a) |
| | | { |
| | |
| | | |
| | | void normalize_image(image p) |
| | | { |
| | | int i; |
| | | float min = 9999999; |
| | | float max = -999999; |
| | | |
| | | for(i = 0; i < p.h*p.w*p.c; ++i){ |
| | | float v = p.data[i]; |
| | | if(v < min) min = v; |
| | | if(v > max) max = v; |
| | | } |
| | | if(max - min < .000000001){ |
| | | min = 0; |
| | | max = 1; |
| | | } |
| | | for(i = 0; i < p.c*p.w*p.h; ++i){ |
| | | p.data[i] = (p.data[i] - min)/(max-min); |
| | | } |
| | | } |
| | | |
| | | void normalize_image2(image p) |
| | | { |
| | | float *min = calloc(p.c, sizeof(float)); |
| | | float *max = calloc(p.c, sizeof(float)); |
| | | int i,j; |
| | |
| | | } |
| | | free_image(copy); |
| | | if(0){ |
| | | //if(disp->height < 448 || disp->width < 448 || disp->height > 1000){ |
| | | int w = 448; |
| | | int h = w*p.h/p.w; |
| | | if(h > 1000){ |
| | |
| | | cvReleaseImage(&buffer); |
| | | } |
| | | cvShowImage(buff, disp); |
| | | |
| | | cvReleaseImage(&disp); |
| | | } |
| | | |
| | | |
| | | void show_image_cv_ipl(IplImage *disp, const char *name) |
| | | { |
| | | if (disp == NULL) return; |
| | | char buff[256]; |
| | | //sprintf(buff, "%s (%d)", name, windows); |
| | | sprintf(buff, "%s", name); |
| | | cvNamedWindow(buff, CV_WINDOW_NORMAL); |
| | | //cvMoveWindow(buff, 100*(windows%10) + 200*(windows/10), 100*(windows%10)); |
| | | ++windows; |
| | | cvShowImage(buff, disp); |
| | | //cvReleaseImage(&disp); |
| | | } |
| | | #endif |
| | | |
| | | void show_image(image p, const char *name) |
| | |
| | | #endif |
| | | } |
| | | |
| | | void save_image(image im, const char *name) |
| | | #ifdef OPENCV |
| | | |
| | | image ipl_to_image(IplImage* src) |
| | | { |
| | | char buff[256]; |
| | | //sprintf(buff, "%s (%d)", name, windows); |
| | | sprintf(buff, "%s.png", name); |
| | | unsigned char *data = calloc(im.w*im.h*im.c, sizeof(char)); |
| | | int i,k; |
| | | for(k = 0; k < im.c; ++k){ |
| | | for(i = 0; i < im.w*im.h; ++i){ |
| | | data[i*im.c+k] = (unsigned char) (255*im.data[i + k*im.w*im.h]); |
| | | 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.; |
| | | } |
| | | } |
| | | } |
| | | 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); |
| | | return out; |
| | | } |
| | | |
| | | #ifdef OPENCV |
| | | void save_image_jpg(image p, char *name) |
| | | 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); |
| | | if (!src) return make_empty_image(0,0,0); |
| | | image im = ipl_to_image(src); |
| | | rgbgr_image(im); |
| | | return im; |
| | | } |
| | | |
| | | image get_image_from_stream_resize(CvCapture *cap, int w, int h, IplImage** in_img, int cpp_video_capture) |
| | | { |
| | | IplImage* src; |
| | | if (cpp_video_capture) { |
| | | static int once = 1; |
| | | if (once) { |
| | | once = 0; |
| | | do { |
| | | src = get_webcam_frame(cap); |
| | | if (!src) return make_empty_image(0, 0, 0); |
| | | } while (src->width < 1 || src->height < 1 || src->nChannels < 1); |
| | | } else |
| | | src = get_webcam_frame(cap); |
| | | } |
| | | else src = cvQueryFrame(cap); |
| | | |
| | | if (!src) return make_empty_image(0, 0, 0); |
| | | if (src->width < 1 || src->height < 1 || src->nChannels < 1) return make_empty_image(0, 0, 0); |
| | | IplImage* new_img = cvCreateImage(cvSize(w, h), IPL_DEPTH_8U, 3); |
| | | *in_img = cvCreateImage(cvSize(src->width, src->height), IPL_DEPTH_8U, 3); |
| | | cvResize(src, *in_img, CV_INTER_LINEAR); |
| | | cvResize(src, new_img, CV_INTER_LINEAR); |
| | | image im = ipl_to_image(new_img); |
| | | cvReleaseImage(&new_img); |
| | | if (cpp_video_capture) cvReleaseImage(&src); |
| | | rgbgr_image(im); |
| | | return im; |
| | | } |
| | | |
| | | void save_image_jpg(image p, const char *name) |
| | | { |
| | | image copy = copy_image(p); |
| | | rgbgr_image(copy); |
| | | if(p.c == 3) rgbgr_image(copy); |
| | | int x,y,k; |
| | | |
| | | char buff[256]; |
| | |
| | | } |
| | | #endif |
| | | |
| | | void save_image_png(image im, const char *name) |
| | | { |
| | | char buff[256]; |
| | | //sprintf(buff, "%s (%d)", name, windows); |
| | | sprintf(buff, "%s.png", name); |
| | | unsigned char *data = calloc(im.w*im.h*im.c, sizeof(char)); |
| | | int i,k; |
| | | for(k = 0; k < im.c; ++k){ |
| | | for(i = 0; i < im.w*im.h; ++i){ |
| | | data[i*im.c+k] = (unsigned char) (255*im.data[i + k*im.w*im.h]); |
| | | } |
| | | } |
| | | 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 |
| | | } |
| | | |
| | | |
| | | void show_image_layers(image p, char *name) |
| | | { |
| | | int i; |
| | |
| | | return out; |
| | | } |
| | | |
| | | image make_random_image(int w, int h, int c) |
| | | { |
| | | image out = make_empty_image(w,h,c); |
| | | out.data = calloc(h*w*c, sizeof(float)); |
| | | int i; |
| | | for(i = 0; i < w*h*c; ++i){ |
| | | out.data[i] = (rand_normal() * .25) + .5; |
| | | } |
| | | return out; |
| | | } |
| | | |
| | | image float_to_image(int w, int h, int c, float *data) |
| | | { |
| | | image out = make_empty_image(w,h,c); |
| | |
| | | return out; |
| | | } |
| | | |
| | | |
| | | 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.; |
| | | float cy = im.h/2.; |
| | | image rot = make_image(w, h, im.c); |
| | | for(c = 0; c < im.c; ++c){ |
| | | for(y = 0; y < h; ++y){ |
| | | for(x = 0; x < w; ++x){ |
| | | 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); |
| | | } |
| | | } |
| | | } |
| | | return rot; |
| | | } |
| | | |
| | | image rotate_image(image im, float rad) |
| | | { |
| | | int x, y, c; |
| | |
| | | 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; |
| | | } |
| | | |
| | | 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; |
| | | } |
| | | printf("%d %f\n", i, d); |
| | | free_image(c); |
| | | } |
| | | return best; |
| | | } |
| | | |
| | | void composite_3d(char *f1, char *f2, char *out, int delta) |
| | | { |
| | | 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 && 0){ |
| | | image swap = a; |
| | | a = b; |
| | | b = swap; |
| | | shift = -shift; |
| | | printf("swapped, %d\n", shift); |
| | | } |
| | | else{ |
| | | printf("%d\n", shift); |
| | | } |
| | | |
| | | image c = crop_image(b, delta, 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 |
| | | } |
| | | |
| | | void fill_image(image m, float s) |
| | | { |
| | | int i; |
| | | for (i = 0; i < m.h*m.w*m.c; ++i) m.data[i] = s; |
| | | } |
| | | |
| | | void letterbox_image_into(image im, int w, int h, image boxed) |
| | | { |
| | | int new_w = im.w; |
| | | int new_h = im.h; |
| | | if (((float)w / im.w) < ((float)h / im.h)) { |
| | | new_w = w; |
| | | new_h = (im.h * w) / im.w; |
| | | } |
| | | else { |
| | | new_h = h; |
| | | new_w = (im.w * h) / im.h; |
| | | } |
| | | image resized = resize_image(im, new_w, new_h); |
| | | embed_image(resized, boxed, (w - new_w) / 2, (h - new_h) / 2); |
| | | free_image(resized); |
| | | } |
| | | |
| | | image letterbox_image(image im, int w, int h) |
| | | { |
| | | int new_w = im.w; |
| | | int new_h = im.h; |
| | | if (((float)w / im.w) < ((float)h / im.h)) { |
| | | new_w = w; |
| | | new_h = (im.h * w) / im.w; |
| | | } |
| | | else { |
| | | new_h = h; |
| | | new_w = (im.w * h) / im.h; |
| | | } |
| | | image resized = resize_image(im, new_w, new_h); |
| | | image boxed = make_image(w, h, im.c); |
| | | fill_image(boxed, .5); |
| | | //int i; |
| | | //for(i = 0; i < boxed.w*boxed.h*boxed.c; ++i) boxed.data[i] = 0; |
| | | embed_image(resized, boxed, (w - new_w) / 2, (h - new_h) / 2); |
| | | free_image(resized); |
| | | return boxed; |
| | | } |
| | | |
| | | 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; |
| | | 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; |
| | | } |
| | | |
| | | image random_crop_image(image im, int w, int h) |
| | | { |
| | | int dx = rand_int(0, im.w - w); |
| | | int dy = rand_int(0, im.h - h); |
| | | image crop = crop_image(im, dx, dy, w, h); |
| | | return crop; |
| | | } |
| | | |
| | | 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*aspect) ? im.h : im.w*aspect; |
| | | float scale = (float)r / min; |
| | | |
| | | float rad = rand_uniform(-angle, angle) * TWO_PI / 360.; |
| | | |
| | | 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; |
| | | } |
| | | |
| | | float three_way_max(float a, float b, float c) |
| | | { |
| | | return (a > b) ? ( (a > c) ? a : c) : ( (b > c) ? b : c) ; |
| | |
| | | v = max; |
| | | if(max == 0){ |
| | | s = 0; |
| | | h = -1; |
| | | h = 0; |
| | | }else{ |
| | | s = delta/max; |
| | | if(r == max){ |
| | |
| | | h = 4 + (r - g) / delta; |
| | | } |
| | | if (h < 0) h += 6; |
| | | h = h/6.; |
| | | } |
| | | set_pixel(im, i, j, 0, h); |
| | | set_pixel(im, i, j, 1, s); |
| | |
| | | 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); |
| | | h = 6 * get_pixel(im, i , j, 0); |
| | | s = get_pixel(im, i , j, 1); |
| | | v = get_pixel(im, i , j, 2); |
| | | if (s == 0) { |
| | |
| | | } |
| | | } |
| | | |
| | | void translate_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); |
| | |
| | | constrain_image(im); |
| | | } |
| | | |
| | | void hue_image(image im, float hue) |
| | | { |
| | | rgb_to_hsv(im); |
| | | int i; |
| | | for(i = 0; i < im.w*im.h; ++i){ |
| | | im.data[i] = im.data[i] + hue; |
| | | if (im.data[i] > 1) im.data[i] -= 1; |
| | | if (im.data[i] < 0) im.data[i] += 1; |
| | | } |
| | | hsv_to_rgb(im); |
| | | constrain_image(im); |
| | | } |
| | | |
| | | void exposure_image(image im, float sat) |
| | | { |
| | | rgb_to_hsv(im); |
| | |
| | | constrain_image(im); |
| | | } |
| | | |
| | | void distort_image(image im, float hue, float sat, float val) |
| | | { |
| | | rgb_to_hsv(im); |
| | | scale_image_channel(im, 1, sat); |
| | | scale_image_channel(im, 2, val); |
| | | int i; |
| | | for(i = 0; i < im.w*im.h; ++i){ |
| | | im.data[i] = im.data[i] + hue; |
| | | if (im.data[i] > 1) im.data[i] -= 1; |
| | | if (im.data[i] < 0) im.data[i] += 1; |
| | | } |
| | | hsv_to_rgb(im); |
| | | constrain_image(im); |
| | | } |
| | | |
| | | void random_distort_image(image im, float hue, float saturation, float exposure) |
| | | { |
| | | float dhue = rand_uniform_strong(-hue, hue); |
| | | float dsat = rand_scale(saturation); |
| | | float dexp = rand_scale(exposure); |
| | | distort_image(im, dhue, dsat, dexp); |
| | | } |
| | | |
| | | void saturate_exposure_image(image im, float sat, float exposure) |
| | | { |
| | | rgb_to_hsv(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); |
| | |
| | | return resized; |
| | | } |
| | | |
| | | |
| | | 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 c1 = copy_image(im); |
| | | image c2 = copy_image(im); |
| | | image c3 = copy_image(im); |
| | | image c4 = copy_image(im); |
| | | distort_image(c1, .1, 1.5, 1.5); |
| | | distort_image(c2, -.1, .66666, .66666); |
| | | distort_image(c3, .1, 1.5, .66666); |
| | | distort_image(c4, .1, .66666, 1.5); |
| | | |
| | | image sat5 = copy_image(im); |
| | | saturate_image(sat5, .5); |
| | | |
| | | image exp2 = copy_image(im); |
| | | exposure_image(exp2, 2); |
| | | |
| | | image exp5 = copy_image(im); |
| | | exposure_image(exp5, .5); |
| | | |
| | | image r = resize_image(im, im.w/2, im.h/2); |
| | | |
| | | image black = make_image(im.w, im.h, im.c); |
| | | shortcut_cpu(black.data, im.w, im.h, im.c, 1, 2, r.data, 1, r.c); |
| | | |
| | | show_image(im, "Original"); |
| | | show_image(im, "Original"); |
| | | show_image(gray, "Gray"); |
| | | show_image(black, "Black"); |
| | | show_image(sat2, "Saturation-2"); |
| | | show_image(sat5, "Saturation-.5"); |
| | | show_image(exp2, "Exposure-2"); |
| | | show_image(exp5, "Exposure-.5"); |
| | | show_image(c1, "C1"); |
| | | show_image(c2, "C2"); |
| | | show_image(c3, "C3"); |
| | | show_image(c4, "C4"); |
| | | #ifdef OPENCV |
| | | cvWaitKey(0); |
| | | 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; |
| | | |
| | | image c = copy_image(im); |
| | | |
| | | float dexp = rand_scale(exposure); |
| | | float dsat = rand_scale(saturation); |
| | | float dhue = rand_uniform(-hue, hue); |
| | | |
| | | distort_image(c, dhue, dsat, dexp); |
| | | show_image(c, "rand"); |
| | | printf("%f %f %f\n", dhue, dsat, dexp); |
| | | free_image(c); |
| | | 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;; |
| | | |
| | | 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 ) |
| | | { |
| | | printf("Cannot load image \"%s\"\n", filename); |
| | | exit(0); |
| | | } |
| | | image out = ipl_to_image(src); |
| | | cvReleaseImage(&src); |
| | | rgbgr_image(out); |
| | | return out; |
| | | } |
| | | |
| | | #endif |
| | | |
| | | |
| | | image load_image_stb(char *filename, int channels) |
| | | { |
| | |
| | | image load_image(char *filename, int w, int h, int c) |
| | | { |
| | | #ifdef OPENCV |
| | | image out = load_image_cv(filename, c); |
| | | |
| | | #ifndef CV_VERSION_EPOCH |
| | | //image out = load_image_stb(filename, c); // OpenCV 3.x |
| | | image out = load_image_cv(filename, c); |
| | | #else |
| | | image out = load_image_stb(filename, c); |
| | | image out = load_image_cv(filename, c); // OpenCV 2.4.x |
| | | #endif |
| | | |
| | | #else |
| | | image out = load_image_stb(filename, c); // without OpenCV |
| | | #endif |
| | | |
| | | if((h && w) && (h != out.h || w != out.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; |
| | | } |
| | | |
| | | void print_image(image m) |
| | | { |
| | | int i, j, k; |
| | |
| | | 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); |
| | |
| | | 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); |
| | | save_image(m, window); |
| | | show_image(m, window); |
| | | free_image(m); |
| | | } |
| | | |
| | | void free_image(image m) |
| | | { |
| | | free(m.data); |
| | | if(m.data){ |
| | | free(m.data); |
| | | } |
| | | } |