From cd8a3dcb4ca42f22ad8f46a95e00977c92be6bbd Mon Sep 17 00:00:00 2001
From: AlexeyAB <alexeyab84@gmail.com>
Date: Thu, 08 Feb 2018 23:22:42 +0000
Subject: [PATCH] Compile fixes

---
 src/yolo_console_dll.cpp |  175 ++++++++++++++-------------------------------------------
 1 files changed, 44 insertions(+), 131 deletions(-)

diff --git a/src/yolo_console_dll.cpp b/src/yolo_console_dll.cpp
index 50dee7e..686ea33 100644
--- a/src/yolo_console_dll.cpp
+++ b/src/yolo_console_dll.cpp
@@ -37,123 +37,20 @@
 #pragma comment(lib, "opencv_highgui" OPENCV_VERSION ".lib")
 #endif
 
-
-cv::Scalar obj_id_to_color(int obj_id) {
-	int const colors[6][3] = { { 1,0,1 },{ 0,0,1 },{ 0,1,1 },{ 0,1,0 },{ 1,1,0 },{ 1,0,0 } };
-	int const offset = obj_id * 123457 % 6;
-	int const color_scale = 150 + (obj_id * 123457) % 100;
-	cv::Scalar color(colors[offset][0], colors[offset][1], colors[offset][2]);
-	color *= color_scale;
-	return color;
-}
-
-class preview_boxes_t {
-	enum { frames_history = 30 };	// how long to keep the history saved
-
-	struct preview_box_track_t {
-		unsigned int track_id, obj_id, last_showed_frames_ago;
-		cv::Mat mat_obj;
-		preview_box_track_t() : track_id(0), obj_id(0), last_showed_frames_ago(frames_history) {}
-	};
-	std::vector<preview_box_track_t> preview_box_track_id;
-	size_t const preview_box_size, const bottom_offset;
-	bool const one_off_detections;
-public:
-	preview_boxes_t(size_t _preview_box_size = 100, size_t _bottom_offset = 100, bool _one_off_detections = false) :
-		preview_box_size(_preview_box_size), bottom_offset(_bottom_offset), one_off_detections(_one_off_detections)
-	{}
-
-	void draw_preview_boxes(cv::Mat src_mat, cv::Mat draw_mat, std::vector<bbox_t> result_vec, bool draw_boxes = true)
-	{
-		size_t const count_preview_boxes = draw_mat.cols / preview_box_size;
-		if (preview_box_track_id.size() != count_preview_boxes) preview_box_track_id.resize(count_preview_boxes);
-
-		// increment frames history
-		for (auto &i : preview_box_track_id)
-			i.last_showed_frames_ago = std::min((unsigned)frames_history, i.last_showed_frames_ago + 1);
-
-		// occupy empty boxes
-		for (auto &k : result_vec) {
-			bool found = false;
-			for (auto &i : preview_box_track_id) {
-				if (i.track_id == k.track_id) {
-					if(!one_off_detections)
-						i.last_showed_frames_ago = 0;
-					found = true;
-					break;
-				}
-			}
-			if (!found) {
-				for (auto &i : preview_box_track_id) {
-					if (i.last_showed_frames_ago == frames_history) {
-						if (!one_off_detections && k.frames_counter == 0) break;
-						i.track_id = k.track_id;
-						i.obj_id = k.obj_id;
-						i.last_showed_frames_ago = 0;
-						break;
-					}
-				}
-			}
-		}
-
-		// draw preview box (from old or current frame)
-		for (size_t i = 0; i < preview_box_track_id.size(); ++i)
-		{
-			// get object image
-			cv::Mat dst = preview_box_track_id[i].mat_obj;
-			bool current_detection = false;
-
-			for (auto &k : result_vec) {
-				if (preview_box_track_id[i].track_id == k.track_id) {
-					if (one_off_detections && preview_box_track_id[i].last_showed_frames_ago > 0) break;
-					bbox_t b = k;
-					cv::Rect r(b.x, b.y, b.w, b.h);
-					cv::Rect img_rect(cv::Point2i(0, 0), src_mat.size());
-					cv::Rect rect_roi = r & img_rect;
-					if (rect_roi.width > 1 || rect_roi.height > 1) {
-						cv::Mat roi = src_mat(rect_roi);
-						cv::resize(roi, dst, cv::Size(preview_box_size, preview_box_size));
-						preview_box_track_id[i].mat_obj = dst.clone();
-						current_detection = true;
-					}
-					break;
-				}
-			}
-
-			// draw object image
-			if (draw_boxes) {
-				cv::Mat dst = preview_box_track_id[i].mat_obj;
-				if (preview_box_track_id[i].last_showed_frames_ago < frames_history &&
-					dst.size() == cv::Size(preview_box_size, preview_box_size))
-				{
-					cv::Rect dst_rect_roi(cv::Point2i(i * preview_box_size, draw_mat.rows - bottom_offset), dst.size());
-					cv::Mat dst_roi = draw_mat(dst_rect_roi);
-					dst.copyTo(dst_roi);
-
-					cv::Scalar color = obj_id_to_color(preview_box_track_id[i].obj_id);
-					int thickness = (current_detection) ? 5 : 1;
-					cv::rectangle(draw_mat, dst_rect_roi, color, thickness);
-				}
-			}
-		}
-	}
-};
-
-
 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_det_fps = -1, int current_cap_fps = -1)
+	int current_det_fps = -1, int current_cap_fps = -1)
 {
 	int const colors[6][3] = { { 1,0,1 },{ 0,0,1 },{ 0,1,1 },{ 0,1,0 },{ 1,1,0 },{ 1,0,0 } };
 
 	for (auto &i : result_vec) {
 		cv::Scalar color = obj_id_to_color(i.obj_id);
-		cv::rectangle(mat_img, cv::Rect(i.x, i.y, i.w, i.h), color, 5);
+		cv::rectangle(mat_img, cv::Rect(i.x, i.y, i.w, i.h), color, 2);
 		if (obj_names.size() > i.obj_id) {
 			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);
 			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::rectangle(mat_img, cv::Point2f(std::max((int)i.x - 1, 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);
@@ -163,9 +60,6 @@
 		std::string fps_str = "FPS detection: " + std::to_string(current_det_fps) + "   FPS capture: " + std::to_string(current_cap_fps);
 		putText(mat_img, fps_str, 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);
 }
 #endif	// OPENCV
 
@@ -204,6 +98,8 @@
 	}
 	else if (argc > 1) filename = argv[1];
 
+	float const thresh = (argc > 5) ? std::stof(argv[5]) : 0.20;
+
 	Detector detector(cfg_file, weights_file);
 
 	auto obj_names = objects_names_from_file(names_file);
@@ -213,7 +109,6 @@
 	Tracker_optflow tracker_flow;
 	detector.wait_stream = true;
 #endif
-	preview_boxes_t large_preview(100, 150, false), small_preview(50, 50, true);
 
 	while (true) 
 	{		
@@ -223,6 +118,9 @@
 		
 		try {
 #ifdef OPENCV
+			preview_boxes_t large_preview(100, 150, false), small_preview(50, 50, true);
+			bool show_small_boxes = false;
+
 			std::string const file_ext = filename.substr(filename.find_last_of(".") + 1);
 			std::string const protocol = filename.substr(0, 7);
 			if (file_ext == "avi" || file_ext == "mp4" || file_ext == "mjpg" || file_ext == "mov" || 	// video file
@@ -267,28 +165,30 @@
 					{
 						std::unique_lock<std::mutex> lock(mtx);
 						det_image = detector.mat_to_image_resize(cur_frame);
-						auto old_result_vec = result_vec;
-						result_vec = thread_result_vec;
-						result_vec = detector.tracking_id(result_vec);	// comment it - if track_id is not required
+						auto old_result_vec = detector.tracking_id(result_vec);
+						auto detected_result_vec = thread_result_vec;
+						result_vec = detected_result_vec;
 #ifdef TRACK_OPTFLOW
 						// track optical flow
 						if (track_optflow_queue.size() > 0) {
-							small_preview.draw_preview_boxes(track_optflow_queue.front(), cur_frame, result_vec, false);
-
-							std::queue<cv::Mat> new_track_optflow_queue;
 							//std::cout << "\n !!!! all = " << track_optflow_queue.size() << ", cur = " << passed_flow_frames << std::endl;
-							tracker_flow.update_tracking_flow(track_optflow_queue.front());
+							cv::Mat first_frame = track_optflow_queue.front();
+							tracker_flow.update_tracking_flow(track_optflow_queue.front(), result_vec);
 
 							while (track_optflow_queue.size() > 1) {
 								track_optflow_queue.pop();
-								result_vec = tracker_flow.tracking_flow(track_optflow_queue.front(), result_vec);
-								if (track_optflow_queue.size() <= passed_flow_frames && new_track_optflow_queue.size() == 0)
-									new_track_optflow_queue = track_optflow_queue;
+								result_vec = tracker_flow.tracking_flow(track_optflow_queue.front(), false);
 							}
-							track_optflow_queue = new_track_optflow_queue;
+							track_optflow_queue.pop();
 							passed_flow_frames = 0;
+
+							result_vec = detector.tracking_id(result_vec);
+							auto tmp_result_vec = detector.tracking_id(detected_result_vec);
+							small_preview.set(first_frame, tmp_result_vec);
 						}
 #endif
+						result_vec = detector.tracking_id(result_vec);	// comment it - if track_id is not required					
+
 						// add old tracked objects
 						for (auto &i : old_result_vec) {
 							auto it = std::find_if(result_vec.begin(), result_vec.end(),
@@ -298,10 +198,14 @@
 								if (i.frames_counter-- > 1)
 									result_vec.push_back(i);
 							}
-							else
+							else {
 								it->frames_counter = std::min((unsigned)3, i.frames_counter + 1);
+							}
 						}
-
+#ifdef TRACK_OPTFLOW
+						tracker_flow.update_cur_bbox_vec(result_vec);
+						result_vec = tracker_flow.tracking_flow(cur_frame, false);	// track optical flow
+#endif
 						consumed = false;
 						cv_pre_tracked.notify_all();
 					}
@@ -311,18 +215,20 @@
 							auto current_image = det_image;
 							consumed = true;
 							while (current_image.use_count() > 0) {
-								auto result = detector.detect_resized(*current_image, frame_size, 0.20, false);	// true
+								auto result = detector.detect_resized(*current_image, frame_size, thresh, false);	// true
 								++fps_det_counter;
 								std::unique_lock<std::mutex> lock(mtx);
 								thread_result_vec = result;
-								current_image = det_image;
 								consumed = true;
 								cv_detected.notify_all();
-								if(detector.wait_stream)
+								if (detector.wait_stream) {
 									while (consumed) cv_pre_tracked.wait(lock);
+								}
+								current_image = det_image;
 							}
 						});
 					}
+					//while (!consumed);	// sync detection
 
 					if (!cur_frame.empty()) {
 						steady_end = std::chrono::steady_clock::now();
@@ -334,16 +240,21 @@
 							fps_cap_counter = 0;
 						}
 
+						large_preview.set(cur_frame, result_vec);
 #ifdef TRACK_OPTFLOW
 						++passed_flow_frames;
 						track_optflow_queue.push(cur_frame.clone());
-						result_vec = tracker_flow.tracking_flow(cur_frame, result_vec, true);	// track optical flow
-						small_preview.draw_preview_boxes(cur_frame.clone(), cur_frame, result_vec, true);
-#endif
-						large_preview.draw_preview_boxes(cur_frame.clone(), cur_frame, result_vec, true);
+						result_vec = tracker_flow.tracking_flow(cur_frame);	// track optical flow
+						small_preview.draw(cur_frame, show_small_boxes);
+#endif						
 
-						draw_boxes(cur_frame, result_vec, obj_names, 3, current_det_fps, current_cap_fps);	// 3 or 16ms
+						draw_boxes(cur_frame, result_vec, obj_names, current_det_fps, current_cap_fps);
 						//show_console_result(result_vec, obj_names);
+						large_preview.draw(cur_frame);
+
+						cv::imshow("window name", cur_frame);
+						int key = cv::waitKey(3);	// 3 or 16ms
+						if (key == 'f') show_small_boxes = !show_small_boxes;
 
 						if (output_video.isOpened() && videowrite_ready) {
 							if (t_videowrite.joinable()) t_videowrite.join();
@@ -387,6 +298,8 @@
 				std::vector<bbox_t> result_vec = detector.detect(mat_img);
 				result_vec = detector.tracking_id(result_vec);	// comment it - if track_id is not required
 				draw_boxes(mat_img, result_vec, obj_names);
+				cv::imshow("window name", mat_img);
+				cv::waitKey(3);	// 3 or 16ms
 				show_console_result(result_vec, obj_names);
 			}
 #else

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