void demo_regressor(char *datacfg, char *cfgfile, char *weightfile, int cam_index, const char *filename) { #ifdef OPENCV printf("Regressor Demo\n"); network *net = load_network(cfgfile, weightfile, 0); set_batch_network(net, 1); srand(2222222); list *options = read_data_cfg(datacfg); int classes = option_find_int(options, "classes", 1); char *name_list = option_find_str(options, "names", 0); char **names = get_labels(name_list); void * cap = open_video_stream(filename, cam_index, 0,0,0); if(!cap) error("Couldn't connect to webcam.\n"); float fps = 0; while(1){ struct timeval tval_before, tval_after, tval_result; gettimeofday(&tval_before, NULL); image in = get_image_from_stream(cap); image crop = center_crop_image(in, net->w, net->h); grayscale_image_3c(crop); float *predictions = network_predict(net, crop.data); printf("\033[2J"); printf("\033[1;1H"); printf("\nFPS:%.0f\n",fps); int i; for(i = 0; i < classes; ++i){ printf("%s: %f\n", names[i], predictions[i]); } show_image(crop, "Regressor", 10); free_image(in); free_image(crop); gettimeofday(&tval_after, NULL); timersub(&tval_after, &tval_before, &tval_result); float curr = 1000000.f/((long int)tval_result.tv_usec); fps = .9*fps + .1*curr; } free_network(net); #endif }
void demo_art(char *cfgfile, char *weightfile, int cam_index) { #ifdef OPENCV network *net = load_network(cfgfile, weightfile, 0); set_batch_network(net, 1); srand(2222222); void * cap = open_video_stream(0, cam_index, 0,0,0); char *window = "ArtJudgementBot9000!!!"; if(!cap) error("Couldn't connect to webcam.\n"); int i; int idx[] = {37, 401, 434}; int n = sizeof(idx)/sizeof(idx[0]); while(1){ image in = get_image_from_stream(cap); image in_s = resize_image(in, net->w, net->h); float *p = network_predict(net, in_s.data); printf("\033[2J"); printf("\033[1;1H"); float score = 0; for(i = 0; i < n; ++i){ float s = p[idx[i]]; if (s > score) score = s; } score = score; printf("I APPRECIATE THIS ARTWORK: %10.7f%%\n", score*100); printf("["); int upper = 30; for(i = 0; i < upper; ++i){ printf("%c", ((i+.5) < score*upper) ? 219 : ' '); } printf("]\n"); show_image(in, window, 1); free_image(in_s); free_image(in); } #endif }
void demo_segmenter(char *datacfg, char *cfg, char *weights, int cam_index, const char *filename) { #ifdef OPENCV printf("Classifier Demo\n"); network *net = load_network(cfg, weights, 0); set_batch_network(net, 1); srand(2222222); void * cap = open_video_stream(filename, cam_index, 0,0,0); if(!cap) error("Couldn't connect to webcam.\n"); float fps = 0; while(1){ struct timeval tval_before, tval_after, tval_result; gettimeofday(&tval_before, NULL); image in = get_image_from_stream(cap); image in_s = letterbox_image(in, net->w, net->h); network_predict(net, in_s.data); printf("\033[2J"); printf("\033[1;1H"); printf("\nFPS:%.0f\n",fps); image pred = get_network_image(net); image prmask = mask_to_rgb(pred); show_image(prmask, "Segmenter", 10); free_image(in_s); free_image(in); free_image(prmask); gettimeofday(&tval_after, NULL); timersub(&tval_after, &tval_before, &tval_result); float curr = 1000000.f/((long int)tval_result.tv_usec); fps = .9*fps + .1*curr; } free_network(net); #endif }