| | |
| | | cvRectangle(show_img, pt1, pt2, color, width, 8, 0); |
| | | if (ext_output) |
| | | printf("\t(left_x: %4.0f top_y: %4.0f width: %4.0f height: %4.0f)\n", |
| | | (float)left, (float)right, b.w*show_img->width, b.h*show_img->height); |
| | | (float)left, (float)top, b.w*show_img->width, b.h*show_img->height); |
| | | else |
| | | printf("\n"); |
| | | cvRectangle(show_img, pt_text_bg1, pt_text_bg2, color, width, 8, 0); |
| | |
| | | { |
| | | IplImage* src = 0; |
| | | int flag = -1; |
| | | if (channels == 0) flag = -1; |
| | | if (channels == 0) flag = 1; |
| | | else if (channels == 1) flag = 0; |
| | | else if (channels == 3) flag = 1; |
| | | else { |
| | |
| | | } |
| | | image out = ipl_to_image(src); |
| | | cvReleaseImage(&src); |
| | | rgbgr_image(out); |
| | | if (out.c > 1) |
| | | rgbgr_image(out); |
| | | return out; |
| | | } |
| | | |
| | |
| | | return im; |
| | | } |
| | | |
| | | image get_image_from_stream_resize(CvCapture *cap, int w, int h, IplImage** in_img, int cpp_video_capture) |
| | | image get_image_from_stream_resize(CvCapture *cap, int w, int h, int c, IplImage** in_img, int cpp_video_capture, int dont_close) |
| | | { |
| | | c = c ? c : 3; |
| | | IplImage* src; |
| | | if (cpp_video_capture) { |
| | | static int once = 1; |
| | |
| | | } |
| | | else src = cvQueryFrame(cap); |
| | | |
| | | if (!src) return make_empty_image(0, 0, 0); |
| | | if (src->width < 1 || src->height < 1 || src->nChannels < 1) return make_empty_image(0, 0, 0); |
| | | IplImage* new_img = cvCreateImage(cvSize(w, h), IPL_DEPTH_8U, 3); |
| | | *in_img = cvCreateImage(cvSize(src->width, src->height), IPL_DEPTH_8U, 3); |
| | | if (!src) { |
| | | if (dont_close) src = cvCreateImage(cvSize(416, 416), IPL_DEPTH_8U, c); |
| | | else return make_empty_image(0, 0, 0); |
| | | } |
| | | if (src->width < 1 || src->height < 1 || src->nChannels < 1) { |
| | | if (cpp_video_capture) cvReleaseImage(&src); |
| | | if (dont_close) src = cvCreateImage(cvSize(416, 416), IPL_DEPTH_8U, c); |
| | | else return make_empty_image(0, 0, 0); |
| | | } |
| | | IplImage* new_img = cvCreateImage(cvSize(w, h), IPL_DEPTH_8U, c); |
| | | *in_img = cvCreateImage(cvSize(src->width, src->height), IPL_DEPTH_8U, c); |
| | | cvResize(src, *in_img, CV_INTER_LINEAR); |
| | | cvResize(src, new_img, CV_INTER_LINEAR); |
| | | image im = ipl_to_image(new_img); |
| | | cvReleaseImage(&new_img); |
| | | if (cpp_video_capture) cvReleaseImage(&src); |
| | | rgbgr_image(im); |
| | | if (c>1) |
| | | rgbgr_image(im); |
| | | return im; |
| | | } |
| | | |
| | |
| | | |
| | | void distort_image(image im, float hue, float sat, float val) |
| | | { |
| | | rgb_to_hsv(im); |
| | | scale_image_channel(im, 1, sat); |
| | | scale_image_channel(im, 2, val); |
| | | int i; |
| | | for(i = 0; i < im.w*im.h; ++i){ |
| | | im.data[i] = im.data[i] + hue; |
| | | if (im.data[i] > 1) im.data[i] -= 1; |
| | | if (im.data[i] < 0) im.data[i] += 1; |
| | | } |
| | | hsv_to_rgb(im); |
| | | if (im.c >= 3) |
| | | { |
| | | rgb_to_hsv(im); |
| | | scale_image_channel(im, 1, sat); |
| | | scale_image_channel(im, 2, val); |
| | | int i; |
| | | for(i = 0; i < im.w*im.h; ++i){ |
| | | im.data[i] = im.data[i] + hue; |
| | | if (im.data[i] > 1) im.data[i] -= 1; |
| | | if (im.data[i] < 0) im.data[i] += 1; |
| | | } |
| | | hsv_to_rgb(im); |
| | | } |
| | | else |
| | | { |
| | | scale_image_channel(im, 0, val); |
| | | } |
| | | constrain_image(im); |
| | | } |
| | | |