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Added preview boxes for SO/DLL usage

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This commit is contained in:
AlexeyAB
2018-01-24 19:11:18 +03:00
parent 7c4a78b863
commit cc6ab9b3cc
1 changed files with 86 additions and 5 deletions
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91
src/yolo_console_dll.cpp
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@ -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<bbox_t> 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_t> 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<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 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<bbox_t> result_vec, std::vector<std
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);
}
@ -171,6 +250,8 @@ int main(int argc, char *argv[])
#ifdef TRACK_OPTFLOW
// track optical flow
if (track_optflow_queue.size() > 0) {
//draw_preview_boxes(track_optflow_queue.front(), cur_frame, result_vec);
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());
@ -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);