From cc6ab9b3ccf48322b97f7fe096381d5594d198f7 Mon Sep 17 00:00:00 2001 From: AlexeyAB Date: Wed, 24 Jan 2018 19:11:18 +0300 Subject: [PATCH] Added preview boxes for SO/DLL usage --- src/yolo_console_dll.cpp | 91 +++++++++++++++++++++++++++++++++++++--- 1 file changed, 86 insertions(+), 5 deletions(-) diff --git a/src/yolo_console_dll.cpp b/src/yolo_console_dll.cpp index a9ce6b9e..5da2d907 100644 --- a/src/yolo_console_dll.cpp +++ b/src/yolo_console_dll.cpp @@ -38,16 +38,94 @@ #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; +} + +void draw_preview_boxes(cv::Mat src_mat, cv::Mat draw_mat, std::vector result_vec) +{ + size_t const preview_box_size = 100; // size of preview box in ptx + size_t const count_preview_boxes = draw_mat.cols / preview_box_size; + unsigned int const 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) {} + }; + static std::vector preview_box_track_id(count_preview_boxes); + // increment frames history + for (auto &i : preview_box_track_id) + i.last_showed_frames_ago = std::min(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) { + 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) { + 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; + for (auto &k : result_vec) { + if (preview_box_track_id[i].track_id == k.track_id) { + 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; + } + break; + } + } + + // draw object image + 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 - preview_box_size), 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); + cv::rectangle(draw_mat, dst_rect_roi, color, 5); + } + } +} + + void draw_boxes(cv::Mat mat_img, std::vector result_vec, std::vector obj_names, unsigned int wait_msec = 0, 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) { - int const offset = i.obj_id * 123457 % 6; - int const color_scale = 150 + (i.obj_id * 123457) % 100; - cv::Scalar color(colors[offset][0], colors[offset][1], colors[offset][2]); - color *= color_scale; + 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); if (obj_names.size() > i.obj_id) { std::string obj_name = obj_names[i.obj_id]; @@ -64,6 +142,7 @@ void draw_boxes(cv::Mat mat_img, std::vector result_vec, std::vector 0) { + //draw_preview_boxes(track_optflow_queue.front(), cur_frame, result_vec); + std::queue 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()); @@ -222,7 +303,7 @@ int main(int argc, char *argv[]) track_optflow_queue.push(cur_frame.clone()); result_vec = tracker_flow.tracking_flow(cur_frame, result_vec); // track optical flow #endif - + //draw_preview_boxes(cur_frame, cur_frame, result_vec); draw_boxes(cur_frame, result_vec, obj_names, 3, current_det_fps, current_cap_fps); // 3 or 16ms //show_console_result(result_vec, obj_names);