| | |
| | | GPU=0 |
| | | OPENCV=0 |
| | | GPU=1 |
| | | OPENCV=1 |
| | | DEBUG=0 |
| | | |
| | | ARCH= -arch=sm_52 |
| | |
| | | [net] |
| | | batch=64 |
| | | subdivisions=64 |
| | | subdivisions=2 |
| | | height=448 |
| | | width=448 |
| | | channels=3 |
| | |
| | | d.X.vals = calloc(d.X.rows, sizeof(float*)); |
| | | d.X.cols = h*w*3; |
| | | |
| | | clock_t time; |
| | | clock_t load = 0; |
| | | clock_t resize = 0; |
| | | clock_t crop = 0; |
| | | |
| | | int k = num_boxes*num_boxes*(4+classes+background); |
| | | d.y = make_matrix(n, k); |
| | | for(i = 0; i < n; ++i){ |
| | | time=clock(); |
| | | image orig = load_image_color(random_paths[i], 0, 0); |
| | | load += clock() - time; |
| | | time = clock(); |
| | | |
| | | int oh = orig.h; |
| | | int ow = orig.w; |
| | |
| | | |
| | | int flip = rand_r(&data_seed)%2; |
| | | image cropped = crop_image(orig, pleft, ptop, swidth, sheight); |
| | | |
| | | crop += clock() - time; |
| | | time = clock(); |
| | | |
| | | float dx = ((float)pleft/ow)/sx; |
| | | float dy = ((float)ptop /oh)/sy; |
| | | |
| | | free_image(orig); |
| | | image sized = resize_image(cropped, w, h); |
| | | free_image(cropped); |
| | | if(flip) flip_image(sized); |
| | | d.X.vals[i] = sized.data; |
| | | |
| | | resize += clock() - time; |
| | | time = clock(); |
| | | |
| | | fill_truth_detection(random_paths[i], d.y.vals[i], classes, num_boxes, flip, background, dx, dy, 1./sx, 1./sy); |
| | | |
| | | free_image(orig); |
| | | free_image(cropped); |
| | | } |
| | | printf("load: %f, crop: %f, resize: %f\n", sec(load), sec(crop), sec(resize)); |
| | | free(random_paths); |
| | | return d; |
| | | } |
| | |
| | | return resized; |
| | | } |
| | | |
| | | image resize_image2(image im, int w, int h) |
| | | { |
| | | image resized = make_image(w, h, im.c); |
| | | image part = make_image(w, im.h, im.c); |
| | | int r, c, k; |
| | | float w_scale = (float)(im.w - 1) / (w - 1); |
| | | float h_scale = (float)(im.h - 1) / (h - 1); |
| | | for(k = 0; k < im.c; ++k){ |
| | | for(r = 0; r < im.h; ++r){ |
| | | for(c = 0; c < w; ++c){ |
| | | float val = 0; |
| | | if(c == w-1){ |
| | | val = get_pixel(im, im.w-1, r, k); |
| | | } else { |
| | | float sx = c*w_scale; |
| | | int ix = (int) sx; |
| | | float dx = sx - ix; |
| | | val = (1 - dx) * get_pixel(im, ix, r, k) + dx * get_pixel(im, ix+1, r, k); |
| | | } |
| | | set_pixel(part, c, r, k, val); |
| | | } |
| | | } |
| | | } |
| | | |
| | | for(k = 0; k < im.c; ++k){ |
| | | for(r = 0; r < h; ++r){ |
| | | float sy = r*h_scale; |
| | | int iy = (int) sy; |
| | | float dy = sy - iy; |
| | | for(c = 0; c < w; ++c){ |
| | | float val = (1-dy) * get_pixel(part, c, iy, k); |
| | | set_pixel(resized, c, r, k, val); |
| | | } |
| | | if(r == h-1) continue; |
| | | for(c = 0; c < w; ++c){ |
| | | float val = dy * get_pixel(part, c, iy+1, k); |
| | | add_pixel(resized, c, r, k, val); |
| | | } |
| | | } |
| | | } |
| | | |
| | | free_image(part); |
| | | return resized; |
| | | } |
| | | |
| | | void test_resize(char *filename) |
| | | { |
| | | image im = load_image(filename, 0,0, 3); |
| | |
| | | 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) |
| | | { |
| | |
| | | void scale_image(image m, float s); |
| | | image crop_image(image im, int dx, int dy, int w, int h); |
| | | image resize_image(image im, int w, int h); |
| | | image resize_image2(image im, int w, int h); |
| | | void translate_image(image m, float s); |
| | | void normalize_image(image p); |
| | | image rotate_image(image m, float rad); |
| | |
| | | float get_pixel(image m, int x, int y, int c); |
| | | float get_pixel_extend(image m, int x, int y, int c); |
| | | void set_pixel(image m, int x, int y, int c, float val); |
| | | void add_pixel(image m, int x, int y, int c, float val); |
| | | float billinear_interpolate(image im, float x, float y, int c); |
| | | |
| | | image get_image_layer(image m, int l); |