From 57fa745be879e9fcbe007651bd190d3a40de3f38 Mon Sep 17 00:00:00 2001
From: AlexeyAB <alexeyab84@gmail.com>
Date: Fri, 04 Aug 2017 20:31:12 +0000
Subject: [PATCH] Fixed speed of SO/DLL
---
src/yolo_console_dll.cpp | 20 ++++++++++++++------
1 files changed, 14 insertions(+), 6 deletions(-)
diff --git a/src/yolo_console_dll.cpp b/src/yolo_console_dll.cpp
index dbdaf85..2e05f7a 100644
--- a/src/yolo_console_dll.cpp
+++ b/src/yolo_console_dll.cpp
@@ -73,14 +73,22 @@
#ifdef OPENCV
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;
+ cv::Mat frame, prev_frame;
+ std::vector<bbox_t> result_vec, thread_result_vec;
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
+ std::thread td([]() {});
+ for (cv::VideoCapture cap(filename); cap >> frame, cap.isOpened();) {
+ td.join();
+ result_vec = thread_result_vec;
+ cv::Mat det_frame = frame;
+ td = std::thread([&]() { thread_result_vec = detector.detect(det_frame, 0.2); });
- draw_boxes(frame, result_vec, obj_names, 3);
- show_result(result_vec, obj_names);
+ if (!prev_frame.empty()) {
+ result_vec = detector.tracking(result_vec); // comment it - if track_id is not required
+ draw_boxes(prev_frame, result_vec, obj_names, 3);
+ show_result(result_vec, obj_names);
+ }
+ prev_frame = frame;
}
}
else { // image file
--
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