| | |
| | | #include "image.h" |
| | | #include "utils.h" |
| | | #include "blas.h" |
| | | #include <stdio.h> |
| | | #include <math.h> |
| | | |
| | |
| | | return r; |
| | | } |
| | | |
| | | void draw_label(image a, int r, int c, image label, const float *rgb) |
| | | { |
| | | float ratio = (float) label.w / label.h; |
| | | 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); |
| | | 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) |
| | | { |
| | | //normalize_image(a); |
| | |
| | | if(y2 < 0) y2 = 0; |
| | | if(y2 >= a.h) y2 = a.h-1; |
| | | |
| | | for(i = x1; i < x2; ++i){ |
| | | a.data[i + y1*a.w + 0*a.w*a.h] = b; |
| | | a.data[i + y2*a.w + 0*a.w*a.h] = b; |
| | | for(i = x1; i <= x2; ++i){ |
| | | a.data[i + y1*a.w + 0*a.w*a.h] = r; |
| | | a.data[i + y2*a.w + 0*a.w*a.h] = r; |
| | | |
| | | a.data[i + y1*a.w + 1*a.w*a.h] = g; |
| | | a.data[i + y2*a.w + 1*a.w*a.h] = g; |
| | | |
| | | a.data[i + y1*a.w + 2*a.w*a.h] = r; |
| | | a.data[i + y2*a.w + 2*a.w*a.h] = r; |
| | | a.data[i + y1*a.w + 2*a.w*a.h] = b; |
| | | a.data[i + y2*a.w + 2*a.w*a.h] = b; |
| | | } |
| | | for(i = y1; i < y2; ++i){ |
| | | a.data[x1 + i*a.w + 0*a.w*a.h] = b; |
| | | a.data[x2 + i*a.w + 0*a.w*a.h] = b; |
| | | for(i = y1; i <= y2; ++i){ |
| | | a.data[x1 + i*a.w + 0*a.w*a.h] = r; |
| | | a.data[x2 + i*a.w + 0*a.w*a.h] = r; |
| | | |
| | | a.data[x1 + i*a.w + 1*a.w*a.h] = g; |
| | | a.data[x2 + i*a.w + 1*a.w*a.h] = g; |
| | | |
| | | a.data[x1 + i*a.w + 2*a.w*a.h] = r; |
| | | a.data[x2 + i*a.w + 2*a.w*a.h] = r; |
| | | a.data[x1 + i*a.w + 2*a.w*a.h] = b; |
| | | a.data[x2 + i*a.w + 2*a.w*a.h] = b; |
| | | } |
| | | } |
| | | |
| | |
| | | } |
| | | } |
| | | |
| | | void draw_detections(image im, int num, float thresh, box *boxes, float **probs, char **names, image *labels, int classes) |
| | | { |
| | | int i; |
| | | |
| | | for(i = 0; i < num; ++i){ |
| | | int class = max_index(probs[i], classes); |
| | | float prob = probs[i][class]; |
| | | 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); |
| | | float green = get_color(1,offset,classes); |
| | | float blue = get_color(2,offset,classes); |
| | | float rgb[3]; |
| | | rgb[0] = red; |
| | | rgb[1] = green; |
| | | rgb[2] = blue; |
| | | box b = boxes[i]; |
| | | |
| | | 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; |
| | | |
| | | draw_box_width(im, left, top, right, bot, width, red, green, blue); |
| | | if (labels) draw_label(im, top + width, left, labels[class], rgb); |
| | | } |
| | | } |
| | | } |
| | | |
| | | |
| | | void flip_image(image a) |
| | | { |
| | | int i,j,k; |
| | |
| | | } |
| | | |
| | | #ifdef OPENCV |
| | | void show_image_cv(image p, char *name) |
| | | void show_image_cv(image p, const char *name) |
| | | { |
| | | int x,y,k; |
| | | image copy = copy_image(p); |
| | |
| | | |
| | | IplImage *disp = cvCreateImage(cvSize(p.w,p.h), IPL_DEPTH_8U, p.c); |
| | | int step = disp->widthStep; |
| | | cvNamedWindow(buff, CV_WINDOW_AUTOSIZE); |
| | | cvNamedWindow(buff, CV_WINDOW_NORMAL); |
| | | //cvMoveWindow(buff, 100*(windows%10) + 200*(windows/10), 100*(windows%10)); |
| | | ++windows; |
| | | for(y = 0; y < p.h; ++y){ |
| | |
| | | } |
| | | #endif |
| | | |
| | | void show_image(image p, char *name) |
| | | void show_image(image p, const char *name) |
| | | { |
| | | #ifdef OPENCV |
| | | show_image_cv(p, name); |
| | |
| | | #endif |
| | | } |
| | | |
| | | void save_image(image im, char *name) |
| | | void save_image(image im, const char *name) |
| | | { |
| | | char buff[256]; |
| | | //sprintf(buff, "%s (%d)", name, windows); |
| | |
| | | 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); |
| | |
| | | int i; |
| | | image t = make_image(im.w, im.h, im.c); |
| | | for(i = 0; i < im.w*im.h*im.c; ++i){ |
| | | t.data[i] = im.data[i]>0 ? 1 : 0; |
| | | t.data[i] = im.data[i]>thresh ? 1 : 0; |
| | | } |
| | | return t; |
| | | } |
| | |
| | | float val = (1-dy) * get_pixel(part, c, iy, k); |
| | | set_pixel(resized, c, r, k, val); |
| | | } |
| | | if(r == h-1) continue; |
| | | if(r == h-1 || im.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); |
| | |
| | | return resized; |
| | | } |
| | | |
| | | #include "cuda.h" |
| | | |
| | | 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); |
| | |
| | | image exp5 = copy_image(im); |
| | | exposure_image(exp5, .5); |
| | | |
| | | #ifdef GPU |
| | | image r = resize_image(im, im.w, im.h); |
| | | image black = make_image(im.w*2 + 3, im.h*2 + 3, 9); |
| | | image black2 = make_image(im.w, im.h, 3); |
| | | |
| | | float *r_gpu = cuda_make_array(r.data, r.w*r.h*r.c); |
| | | float *black_gpu = cuda_make_array(black.data, black.w*black.h*black.c); |
| | | float *black2_gpu = cuda_make_array(black2.data, black2.w*black2.h*black2.c); |
| | | shortcut_gpu(3, r.w, r.h, 1, r_gpu, black.w, black.h, 3, black_gpu); |
| | | //flip_image(r); |
| | | //shortcut_gpu(3, r.w, r.h, 1, r.data, black.w, black.h, 3, black.data); |
| | | |
| | | shortcut_gpu(3, black.w, black.h, 3, black_gpu, black2.w, black2.h, 1, black2_gpu); |
| | | cuda_pull_array(black_gpu, black.data, black.w*black.h*black.c); |
| | | cuda_pull_array(black2_gpu, black2.data, black2.w*black2.h*black2.c); |
| | | show_image_layers(black, "Black"); |
| | | show_image(black2, "Recreate"); |
| | | #endif |
| | | |
| | | show_image(im, "Original"); |
| | | show_image(gray, "Gray"); |
| | | show_image(sat2, "Saturation-2"); |
| | |
| | | |
| | | if( (src = cvLoadImage(filename, flag)) == 0 ) |
| | | { |
| | | printf("Cannot load file image %s\n", filename); |
| | | printf("Cannot load image \"%s\"\n", filename); |
| | | exit(0); |
| | | } |
| | | image out = ipl_to_image(src); |
| | |
| | | int w, h, c; |
| | | unsigned char *data = stbi_load(filename, &w, &h, &c, channels); |
| | | if (!data) { |
| | | fprintf(stderr, "Cannot load file image %s\nSTB Reason: %s\n", filename, stbi_failure_reason()); |
| | | fprintf(stderr, "Cannot load image \"%s\"\nSTB Reason: %s\n", filename, stbi_failure_reason()); |
| | | exit(0); |
| | | } |
| | | if(channels) c = channels; |