From 9c1b9a2cf6363546c152251be578a21f3c3caec6 Mon Sep 17 00:00:00 2001
From: AlexeyAB <alexeyab84@gmail.com>
Date: Fri, 04 Aug 2017 23:08:11 +0000
Subject: [PATCH] Added the ability to detect on multiple images using SO/DLL
---
src/yolo_console_dll.cpp | 34 ++++++++++++++++++++++++++++------
1 files changed, 28 insertions(+), 6 deletions(-)
diff --git a/src/yolo_console_dll.cpp b/src/yolo_console_dll.cpp
index dbdaf85..7cc82cc 100644
--- a/src/yolo_console_dll.cpp
+++ b/src/yolo_console_dll.cpp
@@ -73,16 +73,38 @@
#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, det_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;
+ det_frame = frame;
+ td = std::thread([&]() { thread_result_vec = detector.detect(det_frame, 0.2, true); });
- 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 if (file_ext == "txt") { // list of image files
+ std::ifstream file(filename);
+ if (!file.is_open()) std::cout << "File not found! \n";
+ else
+ for (std::string line; file >> line;) {
+ std::cout << line << std::endl;
+ cv::Mat mat_img = cv::imread(line);
+ std::vector<bbox_t> result_vec = detector.detect(mat_img);
+ show_result(result_vec, obj_names);
+ //draw_boxes(mat_img, result_vec, obj_names);
+ //cv::imwrite("res_" + line, mat_img);
+ }
+
+ }
else { // image file
cv::Mat mat_img = cv::imread(filename);
std::vector<bbox_t> result_vec = detector.detect(mat_img);
--
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