| | |
| | | return d; |
| | | } |
| | | |
| | | #ifdef OPENCV |
| | | #include "opencv2/highgui/highgui_c.h" |
| | | #include "opencv2/imgproc/imgproc_c.h" |
| | | #include "opencv2/core/version.hpp" |
| | | #ifndef CV_VERSION_EPOCH |
| | | #include "opencv2/videoio/videoio_c.h" |
| | | #include "opencv2/imgcodecs/imgcodecs_c.h" |
| | | #endif |
| | | |
| | | #include "http_stream.h" |
| | | |
| | | data load_data_detection(int n, char **paths, int m, int w, int h, int boxes, int classes, float jitter, float hue, float saturation, float exposure, int small_object) |
| | | { |
| | | char **random_paths = get_random_paths(paths, n, m); |
| | |
| | | |
| | | d.y = make_matrix(n, 5*boxes); |
| | | for(i = 0; i < n; ++i){ |
| | | image orig = load_image_color(random_paths[i], 0, 0); |
| | | const char *filename = random_paths[i]; |
| | | |
| | | int oh = orig.h; |
| | | int ow = orig.w; |
| | | int flag = 1; |
| | | IplImage *src; |
| | | 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); |
| | | continue; |
| | | //exit(0); |
| | | } |
| | | |
| | | int oh = src->height; |
| | | int ow = src->width; |
| | | |
| | | int dw = (ow*jitter); |
| | | int dh = (oh*jitter); |
| | |
| | | float sy = (float)sheight / oh; |
| | | |
| | | int flip = random_gen()%2; |
| | | image cropped = crop_image(orig, pleft, ptop, swidth, sheight); |
| | | |
| | | float dx = ((float)pleft/ow)/sx; |
| | | float dy = ((float)ptop /oh)/sy; |
| | | |
| | | image sized = resize_image(cropped, w, h); |
| | | if(flip) flip_image(sized); |
| | | random_distort_image(sized, hue, saturation, exposure); |
| | | d.X.vals[i] = sized.data; |
| | | float dhue = rand_uniform_strong(-hue, hue); |
| | | float dsat = rand_scale(saturation); |
| | | float dexp = rand_scale(exposure); |
| | | |
| | | fill_truth_detection(random_paths[i], boxes, d.y.vals[i], classes, flip, dx, dy, 1./sx, 1./sy, small_object); |
| | | image ai = image_data_augmentation(src, w, h, pleft, ptop, swidth, sheight, flip, jitter, dhue, dsat, dexp); |
| | | d.X.vals[i] = ai.data; |
| | | |
| | | //show_image(ai, "aug"); |
| | | //cvWaitKey(0); |
| | | |
| | | free_image(orig); |
| | | free_image(cropped); |
| | | fill_truth_detection(filename, boxes, d.y.vals[i], classes, flip, dx, dy, 1./sx, 1./sy, small_object); |
| | | |
| | | cvReleaseImage(&src); |
| | | } |
| | | free(random_paths); |
| | | return d; |
| | | } |
| | | #else // OPENCV |
| | | data load_data_detection(int n, char **paths, int m, int w, int h, int boxes, int classes, float jitter, float hue, float saturation, float exposure, int small_object) |
| | | { |
| | | char **random_paths = get_random_paths(paths, n, m); |
| | | int i; |
| | | data d = { 0 }; |
| | | d.shallow = 0; |
| | | |
| | | d.X.rows = n; |
| | | d.X.vals = calloc(d.X.rows, sizeof(float*)); |
| | | d.X.cols = h*w * 3; |
| | | |
| | | d.y = make_matrix(n, 5 * boxes); |
| | | for (i = 0; i < n; ++i) { |
| | | image orig = load_image_color(random_paths[i], 0, 0); |
| | | |
| | | int oh = orig.h; |
| | | int ow = orig.w; |
| | | |
| | | int dw = (ow*jitter); |
| | | int dh = (oh*jitter); |
| | | |
| | | int pleft = rand_uniform_strong(-dw, dw); |
| | | int pright = rand_uniform_strong(-dw, dw); |
| | | int ptop = rand_uniform_strong(-dh, dh); |
| | | int pbot = rand_uniform_strong(-dh, dh); |
| | | |
| | | int swidth = ow - pleft - pright; |
| | | int sheight = oh - ptop - pbot; |
| | | |
| | | float sx = (float)swidth / ow; |
| | | float sy = (float)sheight / oh; |
| | | |
| | | int flip = random_gen() % 2; |
| | | image cropped = crop_image(orig, pleft, ptop, swidth, sheight); |
| | | |
| | | float dx = ((float)pleft / ow) / sx; |
| | | float dy = ((float)ptop / oh) / sy; |
| | | |
| | | image sized = resize_image(cropped, w, h); |
| | | if (flip) flip_image(sized); |
| | | random_distort_image(sized, hue, saturation, exposure); |
| | | d.X.vals[i] = sized.data; |
| | | |
| | | fill_truth_detection(random_paths[i], boxes, d.y.vals[i], classes, flip, dx, dy, 1. / sx, 1. / sy, small_object); |
| | | |
| | | free_image(orig); |
| | | free_image(cropped); |
| | | } |
| | | free(random_paths); |
| | | return d; |
| | | } |
| | | #endif // OPENCV |
| | | |
| | | void *load_thread(void *ptr) |
| | | { |