From be90b8e8cb6bbf3951a5e185aa43ccfdd4a03f4d Mon Sep 17 00:00:00 2001
From: AlexeyAB <alexeyab84@gmail.com>
Date: Thu, 08 Feb 2018 22:50:35 +0000
Subject: [PATCH] Optimal params for optical flow tracking. Some small box fixes.
---
src/yolo_console_dll.cpp | 183 ++++++++++++++++++++++-----------------------
1 files changed, 89 insertions(+), 94 deletions(-)
diff --git a/src/yolo_console_dll.cpp b/src/yolo_console_dll.cpp
index 16a9049..6aaebc5 100644
--- a/src/yolo_console_dll.cpp
+++ b/src/yolo_console_dll.cpp
@@ -11,10 +11,11 @@
#ifdef _WIN32
#define OPENCV
-#include "windows.h"
#endif
+// To use tracking - uncomment the following line. Tracking is supported only by OpenCV 3.x
#define TRACK_OPTFLOW
+
#include "yolo_v2_class.hpp" // imported functions from DLL
#ifdef OPENCV
@@ -36,24 +37,20 @@
#pragma comment(lib, "opencv_highgui" OPENCV_VERSION ".lib")
#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, 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) {
- 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::rectangle(mat_img, cv::Rect(i.x, i.y, i.w, i.h), color, 5);
+ 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, 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);
@@ -63,8 +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
@@ -90,17 +85,29 @@
int main(int argc, char *argv[])
{
+ std::string names_file = "data/voc.names";
+ std::string cfg_file = "cfg/yolo-voc.cfg";
+ std::string weights_file = "yolo-voc.weights";
std::string filename;
- if (argc > 1) filename = argv[1];
- //Detector detector("cfg/yolo-voc.cfg", "yolo-voc.weights");
- Detector detector("tiny-yolo-voc_air.cfg", "backup/tiny-yolo-voc_air_5000.weights");
+ if (argc > 4) { //voc.names yolo-voc.cfg yolo-voc.weights test.mp4
+ names_file = argv[1];
+ cfg_file = argv[2];
+ weights_file = argv[3];
+ filename = argv[4];
+ }
+ else if (argc > 1) filename = argv[1];
- auto obj_names = objects_names_from_file("data/voc.names");
+ 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);
std::string out_videofile = "result.avi";
bool const save_output_videofile = false;
#ifdef TRACK_OPTFLOW
Tracker_optflow tracker_flow;
+ detector.wait_stream = true;
#endif
while (true)
@@ -111,6 +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
@@ -131,7 +141,7 @@
int current_det_fps = 0, current_cap_fps = 0;
std::thread t_detect, t_cap, t_videowrite;
std::mutex mtx;
- std::condition_variable cv;
+ std::condition_variable cv_detected, cv_pre_tracked;
std::chrono::steady_clock::time_point steady_start, steady_end;
cv::VideoCapture cap(filename); cap >> cur_frame;
int const video_fps = cap.get(CV_CAP_PROP_FPS);
@@ -153,79 +163,51 @@
// swap result bouned-boxes and input-frame
if(consumed)
{
- {
- std::unique_lock<std::mutex> lock(mtx);
- det_image = detector.mat_to_image_resize(cur_frame);
- result_vec = thread_result_vec;
- result_vec = detector.tracking(result_vec); // comment it - if track_id is not required
-
- consumed = false;
- }
-
+ std::unique_lock<std::mutex> lock(mtx);
+ det_image = detector.mat_to_image_resize(cur_frame);
+ auto old_result_vec = detector.tracking_id(result_vec);
+ auto detected_result_vec = thread_result_vec;
+ result_vec = detected_result_vec;
#ifdef TRACK_OPTFLOW
- int y = 0, x = 0;
- cv::Mat show_flow = cur_frame.clone();
- auto lambda = [&x, &y](cv::Mat draw_frame, cv::Mat src_frame, std::vector<bbox_t> result_vec) {
- //if (x > 10) return;
- if (result_vec.size() == 0) return;
- bbox_t i = result_vec[0];
- cv::Rect r(i.x, i.y, i.w, i.h);
- //cv::Rect r(i.x + (i.w-31)/2, i.y + (i.h - 31)/2, 31, 31);
- cv::Rect img_rect(cv::Point2i(0, 0), src_frame.size());
- cv::Rect rect_roi = r & img_rect;
- if (rect_roi.width < 1 || rect_roi.height < 1) return;
- cv::Mat roi = src_frame(rect_roi);
- cv::Mat dst;
- cv::resize(roi, dst, cv::Size(100, 100));
- if (x > 10) x = 0, ++y;
- cv::Rect dst_rect_roi(cv::Point2i(x*100, y*100), dst.size());
- cv::Mat dst_roi = draw_frame(dst_rect_roi);
- dst.copyTo(dst_roi);
-
- ++x;
- };
-
-
// track optical flow
if (track_optflow_queue.size() > 0) {
- //show_flow = track_optflow_queue.front().clone();
- //draw_boxes(show_flow, result_vec, obj_names, 3, current_det_fps, current_cap_fps);
-
- std::queue<cv::Mat> new_track_optflow_queue;
//std::cout << "\n !!!! all = " << track_optflow_queue.size() << ", cur = " << passed_flow_frames << std::endl;
- if (result_vec.size() > 0) {
- draw_boxes(track_optflow_queue.front().clone(), result_vec, obj_names, 3, current_det_fps, current_cap_fps);
- std::cout << "\n frame_size = " << track_optflow_queue.size() << std::endl;
- cv::waitKey(1000);
- }
- tracker_flow.update_tracking_flow(track_optflow_queue.front());
- lambda(show_flow, track_optflow_queue.front(), result_vec);
- track_optflow_queue.pop();
- while(track_optflow_queue.size() > 0) {
- if (result_vec.size() > 0) {
- draw_boxes(track_optflow_queue.front().clone(), result_vec, obj_names, 3, current_det_fps, current_cap_fps);
- std::cout << "\n frame_size = " << track_optflow_queue.size() << std::endl;
- cv::waitKey(1000);
- }
- 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;
- lambda(show_flow, track_optflow_queue.front(), result_vec);
- track_optflow_queue.pop();
- }
- track_optflow_queue = new_track_optflow_queue;
- new_track_optflow_queue.swap(std::queue<cv::Mat>());
- passed_flow_frames = 0;
- //std::cout << "\n !!!! now = " << track_optflow_queue.size() << ", cur = " << passed_flow_frames << std::endl;
+ cv::Mat first_frame = track_optflow_queue.front();
+ tracker_flow.update_tracking_flow(track_optflow_queue.front(), result_vec);
- cv::imshow("flow", show_flow);
- cv::waitKey(3);
- //if (result_vec.size() > 0) {
- // cv::waitKey(1000);
- //}
+ while (track_optflow_queue.size() > 1) {
+ track_optflow_queue.pop();
+ result_vec = tracker_flow.tracking_flow(track_optflow_queue.front(), false);
+ }
+ 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(),
+ [&i](bbox_t const& b) { return b.track_id == i.track_id && b.obj_id == i.obj_id; });
+ bool track_id_absent = (it == result_vec.end());
+ if (track_id_absent) {
+ if (i.frames_counter-- > 1)
+ result_vec.push_back(i);
+ }
+ 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();
}
// launch thread once - Detection
if (!t_detect.joinable()) {
@@ -233,18 +215,20 @@
auto current_image = det_image;
consumed = true;
while (current_image.use_count() > 0) {
- auto result = detector.detect_resized(*current_image, frame_size, 0.24, false); // true
- //Sleep(200);
- Sleep(50);
+ 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.notify_all();
+ cv_detected.notify_all();
+ 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();
@@ -256,14 +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); // track optical flow
-#endif
+ 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);
+ 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();
@@ -275,11 +266,13 @@
}
}
+#ifndef TRACK_OPTFLOW
// wait detection result for video-file only (not for net-cam)
- //if (protocol != "rtsp://" && protocol != "http://" && protocol != "https:/") {
- // std::unique_lock<std::mutex> lock(mtx);
- // while (!consumed) cv.wait(lock);
- //}
+ if (protocol != "rtsp://" && protocol != "http://" && protocol != "https:/") {
+ std::unique_lock<std::mutex> lock(mtx);
+ while (!consumed) cv_detected.wait(lock);
+ }
+#endif
}
if (t_cap.joinable()) t_cap.join();
if (t_detect.joinable()) t_detect.join();
@@ -303,8 +296,10 @@
else { // image file
cv::Mat mat_img = cv::imread(filename);
std::vector<bbox_t> result_vec = detector.detect(mat_img);
- result_vec = detector.tracking(result_vec); // comment it - if track_id is not required
+ 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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