From 37921caad3c9a09bcdaba56453e35ab12dabb30f Mon Sep 17 00:00:00 2001
From: AlexeyAB <alexeyab84@gmail.com>
Date: Mon, 24 Jul 2017 18:43:44 +0000
Subject: [PATCH] Fix that allows speedup usage of Yolo-DLL
---
src/yolo_console_dll.cpp | 45 ++++++++++++++++++++++++++++++++++-----------
1 files changed, 34 insertions(+), 11 deletions(-)
diff --git a/src/yolo_console_dll.cpp b/src/yolo_console_dll.cpp
index 4938ba8..b378b7f 100644
--- a/src/yolo_console_dll.cpp
+++ b/src/yolo_console_dll.cpp
@@ -1,9 +1,11 @@
#include <iostream>
+#include <iomanip>
#include <string>
#include <vector>
#include <fstream>
+#include <thread>
-//#define OPENCV
+#define OPENCV
#include "yolo_v2_class.hpp" // imported functions from DLL
@@ -13,21 +15,27 @@
#pragma comment(lib, "opencv_core249.lib")
#pragma comment(lib, "opencv_imgproc249.lib")
#pragma comment(lib, "opencv_highgui249.lib")
-void draw_boxes(cv::Mat mat_img, std::vector<bbox_t> result_vec) {
+void draw_boxes(cv::Mat mat_img, std::vector<bbox_t> result_vec, std::vector<std::string> obj_names, unsigned int wait_msec = 0) {
for (auto &i : result_vec) {
- cv::rectangle(mat_img, cv::Rect(i.x, i.y, i.w, i.h), cv::Scalar(50, 200, 50), 3);
+ cv::Scalar color(60, 160, 260);
+ cv::rectangle(mat_img, cv::Rect(i.x, i.y, i.w, i.h), color, 3);
+ if(obj_names.size() > i.obj_id)
+ putText(mat_img, obj_names[i.obj_id], cv::Point2f(i.x, i.y - 10), cv::FONT_HERSHEY_COMPLEX_SMALL, 1, color);
+ if(i.track_id > 0)
+ putText(mat_img, std::to_string(i.track_id), cv::Point2f(i.x+5, i.y + 15), cv::FONT_HERSHEY_COMPLEX_SMALL, 1, color);
}
cv::imshow("window name", mat_img);
- cv::waitKey(0);
+ cv::waitKey(wait_msec);
}
#endif // OPENCV
+
void show_result(std::vector<bbox_t> const result_vec, std::vector<std::string> const obj_names) {
for (auto &i : result_vec) {
if (obj_names.size() > i.obj_id) std::cout << obj_names[i.obj_id] << " - ";
- std::cout << "obj_id = " << i.obj_id << " - x = " << i.x << ", y = " << i.y
+ std::cout << "obj_id = " << i.obj_id << ", x = " << i.x << ", y = " << i.y
<< ", w = " << i.w << ", h = " << i.h
- << ", prob = " << i.prob << std::endl;
+ << std::setprecision(3) << ", prob = " << i.prob << std::endl;
}
}
@@ -50,23 +58,38 @@
while (true)
{
std::string filename;
- std::cout << "input image filename: ";
+ std::cout << "input image or video filename: ";
std::cin >> filename;
if (filename.size() == 0) break;
try {
#ifdef OPENCV
- cv::Mat mat_img = cv::imread(filename);
- std::vector<bbox_t> result_vec = detector.detect(mat_img);
- draw_boxes(mat_img, result_vec);
+ 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
+ cv::Mat frame;
+ detector.nms = 0.02; // comment it - if track_id is not required
+ for(cv::VideoCapture cap(filename); cap >> frame, cap.isOpened();) {
+ std::vector<bbox_t> result_vec = detector.detect(frame, 0.2);
+ result_vec = detector.tracking(result_vec); // comment it - if track_id is not required
+
+ draw_boxes(frame, result_vec, obj_names, 3);
+ show_result(result_vec, obj_names);
+ }
+ }
+ else { // image file
+ cv::Mat mat_img = cv::imread(filename);
+ std::vector<bbox_t> result_vec = detector.detect(mat_img);
+ draw_boxes(mat_img, result_vec, obj_names);
+ show_result(result_vec, obj_names);
+ }
#else
//std::vector<bbox_t> result_vec = detector.detect(filename);
auto img = detector.load_image(filename);
std::vector<bbox_t> result_vec = detector.detect(img);
detector.free_image(img);
-#endif
show_result(result_vec, obj_names);
+#endif
}
catch (std::exception &e) { std::cerr << "exception: " << e.what() << "\n"; getchar(); }
catch (...) { std::cerr << "unknown exception \n"; getchar(); }
--
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