| | |
| | | int nh; |
| | | int nw; |
| | | int num_boxes; |
| | | int jitter; |
| | | int classes; |
| | | int background; |
| | | data *d; |
| | |
| | | box *boxes = read_boxes(labelpath, &count); |
| | | randomize_boxes(boxes, count); |
| | | float x,y,w,h; |
| | | float left, top, right, bot; |
| | | int id; |
| | | int i; |
| | | if(background){ |
| | |
| | | } |
| | | } |
| | | for(i = 0; i < count; ++i){ |
| | | x = boxes[i].x; |
| | | y = boxes[i].y; |
| | | w = boxes[i].w; |
| | | h = boxes[i].h; |
| | | left = boxes[i].left * sx - dx; |
| | | right = boxes[i].right * sx - dx; |
| | | top = boxes[i].top * sy - dy; |
| | | bot = boxes[i].bottom* sy - dy; |
| | | id = boxes[i].id; |
| | | |
| | | if(flip){ |
| | | x = 1-x; |
| | | float swap = left; |
| | | left = 1. - right; |
| | | right = 1. - swap; |
| | | } |
| | | |
| | | x = x*sx-dx; |
| | | y = y*sy-dy; |
| | | w = w*sx; |
| | | h = h*sy; |
| | | |
| | | if (x < 0 || x >= 1 || y < 0 || y >= 1) continue; |
| | | left = constrain(0, 1, left); |
| | | right = constrain(0, 1, right); |
| | | top = constrain(0, 1, top); |
| | | bot = constrain(0, 1, bot); |
| | | |
| | | x = (left+right)/2; |
| | | y = (top+bot)/2; |
| | | w = (right - left); |
| | | h = (bot - top); |
| | | |
| | | if (x <= 0 || x >= 1 || y <= 0 || y >= 1) continue; |
| | | |
| | | int i = (int)(x*num_boxes); |
| | | int j = (int)(y*num_boxes); |
| | |
| | | x = x*num_boxes - i; |
| | | y = y*num_boxes - j; |
| | | |
| | | /* |
| | | float maxwidth = distance_from_edge(i, num_boxes); |
| | | float maxheight = distance_from_edge(j, num_boxes); |
| | | w = w/maxwidth; |
| | | h = h/maxheight; |
| | | */ |
| | | |
| | | w = constrain(0, 1, w); |
| | | h = constrain(0, 1, h); |
| | | if (w == 0 || h == 0) continue; |
| | | w = sqrt(w); |
| | | h = sqrt(h); |
| | | |
| | | int index = (i+j*num_boxes)*(4+classes+background); |
| | | if(truth[index+classes+background+2]) continue; |
| | |
| | | index += classes; |
| | | truth[index++] = y; |
| | | truth[index++] = x; |
| | | truth[index++] = w; |
| | | truth[index++] = h; |
| | | truth[index++] = w; |
| | | } |
| | | free(boxes); |
| | | } |
| | |
| | | } |
| | | } |
| | | |
| | | data load_data_detection_jitter_random(int n, char **paths, int m, int classes, int h, int w, int num_boxes, int jitter, int background) |
| | | data load_data_detection_jitter_random(int n, char **paths, int m, int classes, int h, int w, int num_boxes, int background) |
| | | { |
| | | //float minscale = 0.85; |
| | | //float maxscale = 1.15; |
| | | char **random_paths = get_random_paths(paths, n, m); |
| | | int i; |
| | | data d; |
| | | d.shallow = 0; |
| | | d.X = load_image_paths(random_paths, n, h, w); |
| | | |
| | | d.X.rows = n; |
| | | d.X.vals = calloc(d.X.rows, sizeof(float*)); |
| | | d.X.cols = h*w*3; |
| | | |
| | | int k = num_boxes*num_boxes*(4+classes+background); |
| | | d.y = make_matrix(n, k); |
| | | for(i = 0; i < n; ++i){ |
| | | int px = rand()%jitter; |
| | | px = 0; |
| | | int py = rand()%jitter; |
| | | py = 0; |
| | | float sy = (float) h / (h-jitter); |
| | | float sx = (float) w / (w-jitter); |
| | | float dy = (float) py / (h-jitter); |
| | | float dx = (float) px / (w-jitter); |
| | | image orig = load_image_color(random_paths[i], 0, 0); |
| | | int oh = orig.h; |
| | | int ow = orig.w; |
| | | int pleft = (rand_uniform() * 64. - 32.); |
| | | int pright = (rand_uniform() * 64. - 32.); |
| | | int ptop = (rand_uniform() * 64. - 32.); |
| | | int pbot = (rand_uniform() * 64. - 32.); |
| | | |
| | | int swidth = ow - pleft - pright; |
| | | int sheight = oh - ptop - pbot; |
| | | |
| | | float sx = (float)swidth / ow; |
| | | float sy = (float)sheight / oh; |
| | | |
| | | int flip = rand()%2; |
| | | fill_truth_detection(random_paths[i], d.y.vals[i], classes, num_boxes, flip, background, dx, dy, sx, sy); |
| | | image a = float_to_image(h, w, 3, d.X.vals[i]); |
| | | if(flip) flip_image(a); |
| | | jitter_image(a, h-jitter, w-jitter, py, px); |
| | | image cropped = crop_image(orig, ptop, pleft, sheight, swidth); |
| | | float dx = ((float)pleft/ow)/sx; |
| | | float dy = ((float)ptop /oh)/sy; |
| | | |
| | | free_image(orig); |
| | | image sized = resize_image(cropped, h, w); |
| | | free_image(cropped); |
| | | if(flip) flip_image(sized); |
| | | d.X.vals[i] = sized.data; |
| | | |
| | | fill_truth_detection(random_paths[i], d.y.vals[i], classes, num_boxes, flip, background, dx, dy, 1./sx, 1./sy); |
| | | } |
| | | d.X.cols = (h-jitter)*(w-jitter)*3; |
| | | free(random_paths); |
| | | return d; |
| | | } |
| | |
| | | { |
| | | printf("Loading data: %d\n", rand()); |
| | | struct load_args a = *(struct load_args*)ptr; |
| | | *a.d = load_data_detection_jitter_random(a.n, a.paths, a.m, a.classes, a.h, a.w, a.num_boxes, a.jitter, a.background); |
| | | *a.d = load_data_detection_jitter_random(a.n, a.paths, a.m, a.classes, a.h, a.w, a.num_boxes, a.background); |
| | | translate_data_rows(*a.d, -128); |
| | | scale_data_rows(*a.d, 1./128); |
| | | free(ptr); |
| | | return 0; |
| | | } |
| | | |
| | | pthread_t load_data_detection_thread(int n, char **paths, int m, int classes, int h, int w, int nh, int nw, int jitter, int background, data *d) |
| | | pthread_t load_data_detection_thread(int n, char **paths, int m, int classes, int h, int w, int nh, int nw, int background, data *d) |
| | | { |
| | | pthread_t thread; |
| | | struct load_args *args = calloc(1, sizeof(struct load_args)); |
| | |
| | | args->nw = nw; |
| | | args->num_boxes = nw; |
| | | args->classes = classes; |
| | | args->jitter = jitter; |
| | | args->background = background; |
| | | args->d = d; |
| | | if(pthread_create(&thread, 0, load_detection_thread, args)) { |
| | |
| | | #include "matrix.h" |
| | | #include "list.h" |
| | | |
| | | static inline float distance_from_edge(int x, int max) |
| | | { |
| | | int dx = (max/2) - x; |
| | | if (dx < 0) dx = -dx; |
| | | dx = (max/2) + 1 - dx; |
| | | dx *= 2; |
| | | float dist = (float)dx/max; |
| | | if (dist > 1) dist = 1; |
| | | return dist; |
| | | } |
| | | |
| | | |
| | | typedef struct{ |
| | | matrix X; |
| | | matrix y; |
| | |
| | | data load_data(char **paths, int n, int m, char **labels, int k, int h, int w); |
| | | pthread_t load_data_thread(char **paths, int n, int m, char **labels, int k, int h, int w, data *d); |
| | | |
| | | pthread_t load_data_detection_thread(int n, char **paths, int m, int classes, int h, int w, int nh, int nw, int jitter, int background, data *d); |
| | | data load_data_detection_jitter_random(int n, char **paths, int m, int classes, int h, int w, int num_boxes, int jitter, int background); |
| | | pthread_t load_data_detection_thread(int n, char **paths, int m, int classes, int h, int w, int nh, int nw, int background, data *d); |
| | | data load_data_detection_jitter_random(int n, char **paths, int m, int classes, int h, int w, int num_boxes, int background); |
| | | |
| | | data load_data_image_pathfile(char *filename, char **labels, int k, int h, int w); |
| | | data load_cifar10_data(char *filename); |
| | |
| | | float green = get_color(1,class,classes); |
| | | float blue = get_color(2,class,classes); |
| | | |
| | | //float maxheight = distance_from_edge(r, side); |
| | | //float maxwidth = distance_from_edge(c, side); |
| | | j += classes; |
| | | int left = box[j] *im.w; |
| | | int right = box[j+1]*im.w; |
| | | int top = box[j+2]*im.h; |
| | | int bot = box[j+3]*im.h; |
| | | float y = box[j+0]; |
| | | float x = box[j+1]; |
| | | x = (x+c)/side; |
| | | y = (y+r)/side; |
| | | float h = box[j+2]; //*maxheight; |
| | | float w = box[j+3]; //*maxwidth; |
| | | //printf("coords %f %f %f %f\n", x, y, w, h); |
| | | |
| | | int left = (x-w/2)*im.w; |
| | | int right = (x+w/2)*im.w; |
| | | int top = (y-h/2)*im.h; |
| | | int bot = (y+h/2)*im.h; |
| | | draw_box(im, left, top, right, bot, red, green, blue); |
| | | } |
| | | } |
| | |
| | | char **paths = (char **)list_to_array(plist); |
| | | printf("%d\n", plist->size); |
| | | data train, buffer; |
| | | int im_dim = 512; |
| | | int jitter = 64; |
| | | int im_dim = 448; |
| | | int classes = 20; |
| | | int background = 1; |
| | | pthread_t load_thread = load_data_detection_thread(imgs, paths, plist->size, classes, im_dim, im_dim, 7, 7, jitter, background, &buffer); |
| | | pthread_t load_thread = load_data_detection_thread(imgs, paths, plist->size, classes, im_dim, im_dim, 7, 7, background, &buffer); |
| | | clock_t time; |
| | | while(1){ |
| | | i += 1; |
| | | time=clock(); |
| | | pthread_join(load_thread, 0); |
| | | train = buffer; |
| | | load_thread = load_data_detection_thread(imgs, paths, plist->size, classes, im_dim, im_dim, 7, 7, jitter, background, &buffer); |
| | | load_thread = load_data_detection_thread(imgs, paths, plist->size, classes, im_dim, im_dim, 7, 7, background, &buffer); |
| | | |
| | | /* |
| | | image im = float_to_image(im_dim - jitter, im_dim-jitter, 3, train.X.vals[114]); |
| | | draw_detection(im, train.y.vals[114], 7); |
| | | show_image(im, "truth"); |
| | | cvWaitKey(0); |
| | | */ |
| | | //image im = float_to_image(im_dim, im_dim, 3, train.X.vals[114]); |
| | | //draw_detection(im, train.y.vals[114], 7); |
| | | |
| | | printf("Loaded: %lf seconds\n", sec(clock()-time)); |
| | | time=clock(); |
| | |
| | | int ci = k+classes+background+nuisance; |
| | | float y = (pred.vals[j][ci + 0] + row)/num_boxes; |
| | | float x = (pred.vals[j][ci + 1] + col)/num_boxes; |
| | | float h = pred.vals[j][ci + 2]; |
| | | float w = pred.vals[j][ci + 3]; |
| | | float h = pred.vals[j][ci + 2]; //* distance_from_edge(row, num_boxes); |
| | | h = h*h; |
| | | float w = pred.vals[j][ci + 3]; //* distance_from_edge(col, num_boxes); |
| | | w = w*w; |
| | | printf("%d %d %f %f %f %f %f\n", (i-1)*m/splits + j, class, scale*pred.vals[j][k+class+background+nuisance], y, x, h, w); |
| | | } |
| | | } |
| | |
| | | void draw_box(image a, int x1, int y1, int x2, int y2, float r, float g, float b); |
| | | image image_distance(image a, image b); |
| | | void scale_image(image m, float s); |
| | | image crop_image(image im, int dr, int dc, int h, int w); |
| | | image resize_image(image im, int h, int w); |
| | | void translate_image(image m, float s); |
| | | void normalize_image(image p); |
| | | void z_normalize_image(image p); |