| | |
| | | #include <vector> |
| | | #include <fstream> |
| | | #include <thread> |
| | | #include <atomic> |
| | | |
| | | #define OPENCV |
| | | |
| | |
| | | #endif |
| | | |
| | | |
| | | void draw_boxes(cv::Mat mat_img, std::vector<bbox_t> result_vec, std::vector<std::string> obj_names, unsigned int wait_msec = 0) { |
| | | void draw_boxes(cv::Mat mat_img, std::vector<bbox_t> result_vec, std::vector<std::string> obj_names, |
| | | unsigned int wait_msec = 0, int current_fps = -1) |
| | | { |
| | | for (auto &i : result_vec) { |
| | | cv::Scalar color(60, 160, 260); |
| | | cv::rectangle(mat_img, cv::Rect(i.x, i.y, i.w, i.h), color, 5); |
| | |
| | | std::string obj_name = obj_names[i.obj_id]; |
| | | if (i.track_id > 0) obj_name += " - " + std::to_string(i.track_id); |
| | | cv::Size const text_size = getTextSize(obj_name, cv::FONT_HERSHEY_COMPLEX_SMALL, 1.2, 2, 0); |
| | | size_t const max_width = (text_size.width > i.w + 2) ? text_size.width : (i.w + 2); |
| | | if(i.x > 3 && (i.x + max_width) < mat_img.cols && i.y > 30 && i.y < mat_img.rows) |
| | | cv::rectangle(mat_img, cv::Point2f(i.x - 3, i.y - 30), cv::Point2f(i.x + max_width, i.y), color, CV_FILLED, 8, 0); |
| | | int const max_width = (text_size.width > i.w + 2) ? text_size.width : (i.w + 2); |
| | | cv::rectangle(mat_img, cv::Point2f(std::max((int)i.x - 3, 0), std::max((int)i.y - 30, 0)), |
| | | cv::Point2f(std::min((int)i.x + max_width, mat_img.cols-1), std::min((int)i.y, mat_img.rows-1)), |
| | | color, CV_FILLED, 8, 0); |
| | | putText(mat_img, obj_name, cv::Point2f(i.x, i.y - 10), cv::FONT_HERSHEY_COMPLEX_SMALL, 1.2, cv::Scalar(0, 0, 0), 2); |
| | | } |
| | | } |
| | | if(current_fps >= 0) |
| | | putText(mat_img, "FPS: " + std::to_string(current_fps), cv::Point2f(10, 20), cv::FONT_HERSHEY_COMPLEX_SMALL, 1.2, cv::Scalar(50, 255, 0), 2); |
| | | cv::imshow("window name", mat_img); |
| | | cv::waitKey(wait_msec); |
| | | } |
| | |
| | | } |
| | | |
| | | |
| | | int main() |
| | | int main(int argc, char *argv[]) |
| | | { |
| | | std::string filename; |
| | | if (argc > 1) filename = argv[1]; |
| | | |
| | | Detector detector("yolo-voc.cfg", "yolo-voc.weights"); |
| | | |
| | | auto obj_names = objects_names_from_file("data/voc.names"); |
| | | std::string out_videofile = "result.avi"; |
| | | bool const save_output_videofile = false; |
| | | |
| | | while (true) |
| | | { |
| | | std::string filename; |
| | | { |
| | | std::cout << "input image or video filename: "; |
| | | std::cin >> filename; |
| | | if(filename.size() == 0) std::cin >> filename; |
| | | if (filename.size() == 0) break; |
| | | |
| | | try { |
| | | #ifdef OPENCV |
| | | std::string const file_ext = filename.substr(filename.find_last_of(".") + 1); |
| | | if (file_ext == "avi" || file_ext == "mp4" || file_ext == "mjpg" || file_ext == "mov") { // video file |
| | | std::string const protocol = filename.substr(0, 7); |
| | | if (file_ext == "avi" || file_ext == "mp4" || file_ext == "mjpg" || file_ext == "mov" || // video file |
| | | protocol == "rtsp://" || protocol == "http://" || protocol == "https:/") // video network stream |
| | | { |
| | | cv::Mat frame, prev_frame, det_frame; |
| | | std::vector<bbox_t> result_vec, thread_result_vec; |
| | | detector.nms = 0.02; // comment it - if track_id is not required |
| | | std::thread td([]() {}); |
| | | std::atomic<int> ready_flag; |
| | | ready_flag = true; |
| | | std::chrono::steady_clock::time_point steady_start, steady_end; |
| | | int fps_counter = 0, current_fps = 0; |
| | | cv::VideoWriter output_video; |
| | | for (cv::VideoCapture cap(filename); cap >> frame, cap.isOpened();) { |
| | | td.join(); |
| | | result_vec = thread_result_vec; |
| | | det_frame = frame; |
| | | td = std::thread([&]() { thread_result_vec = detector.detect(det_frame, 0.2, true); }); |
| | | |
| | | if (!prev_frame.empty()) { |
| | | if(!output_video.isOpened() && save_output_videofile) |
| | | output_video.open(out_videofile, CV_FOURCC('D','I','V','X'), cap.get(CV_CAP_PROP_FPS), frame.size(), true); |
| | | if (ready_flag || (protocol != "rtsp://" && protocol != "http://" && protocol != "https:/")) { |
| | | td.join(); |
| | | ++fps_counter; |
| | | ready_flag = false; |
| | | result_vec = thread_result_vec; |
| | | result_vec = detector.tracking(result_vec); // comment it - if track_id is not required |
| | | draw_boxes(prev_frame, result_vec, obj_names, 3); |
| | | show_result(result_vec, obj_names); |
| | | det_frame = frame.clone(); |
| | | td = std::thread([&]() { thread_result_vec = detector.detect(det_frame, 0.24, true); ready_flag = true; }); |
| | | } |
| | | prev_frame = frame; |
| | | if (!prev_frame.empty()) { |
| | | steady_end = std::chrono::steady_clock::now(); |
| | | if (std::chrono::duration<double>(steady_end - steady_start).count() >= 1) { |
| | | current_fps = fps_counter; |
| | | steady_start = steady_end; |
| | | fps_counter = 0; |
| | | } |
| | | draw_boxes(prev_frame, result_vec, obj_names, 3, current_fps); |
| | | show_result(result_vec, obj_names); |
| | | if (output_video.isOpened()) |
| | | output_video << prev_frame; |
| | | } |
| | | prev_frame = frame.clone(); |
| | | } |
| | | } |
| | | else if (file_ext == "txt") { // list of image files |
| | |
| | | } |
| | | catch (std::exception &e) { std::cerr << "exception: " << e.what() << "\n"; getchar(); } |
| | | catch (...) { std::cerr << "unknown exception \n"; getchar(); } |
| | | filename.clear(); |
| | | } |
| | | |
| | | return 0; |