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学习《OpenCV应用开发:入门、进阶与工程化实践》一书,学会本文所有技能就这么简单!
做真正的OpenCV开发者,从入门到入职,一步到位!
大家好,OpenCV实验大师最新C++ SDK已经支持全系YOLOv8模型推理,基于OpenCV实现,支持CPU与GPU推理。支持对象检测、实例分割、姿态评估、旋转对象检测,模型部署推理,简单易容,只要三行代码即可调用,实现YOLOv8模型的C++ 推理部署,支持多种系统包括乌班图、Jetson、Win10与Win11上运行。
YOLOv8对象检测C++ 调用代码示例
std::shared_ptr<YOLOv8Detector> detector(new YOLOv8Detector());
detector->initConfig("D:/python/my_yolov8_train_demo/yolov8n.onnx", 0.25, 640,640, false);
detector->detect(image, results)
YOLOv8实例分割 C++ 调用代码示例:
std::shared_ptr<YOLOv8SegDetector> detector(new YOLOv8SegDetector()); detector->initConfig("D:/python/my_yolov8_train_demo/yolov8n.onnx", 0.4, 0.25f); cv::VideoCapture capture("D:/bird_test/Pexels_Videos_2670.mp4"); cv::Mat frame; std::vector<DetectResult> results; while (true) { bool ret = capture.read(frame); if (frame.empty()) { break; } detector->detect(frame, results); for (DetectResult dr : results) { cv::Rect box = dr.box; cv::putText(frame, classNames[dr.classId], cv::Point(box.tl().x, box.tl().y - 10), cv::FONT_HERSHEY_SIMPLEX, .5, cv::Scalar(0, 0, 0)); } cv::imshow("YOLOv8 实例分割 + OpenCV", frame); char c = cv::waitKey(1); if (c == 27) { // ESC 退出 break; } // reset for next frame results.clear(); }
YOLOv8姿态评估 C++ 调用代码示例:
std::shared_ptr<YOLOv8PoseDetector> detector(new YOLOv8PoseDetector()); detector->initConfig("D:/python/my_yolov8_train_demo/yolov8n-pose.onnx", 0.25, 640,640, false); cv::VideoCapture capture("D:/bird_test/hongyegu.mp4"); cv::Mat frame; std::vector<YOLODetBox> results; while (true) { bool ret = capture.read(frame); if (frame.empty()) { break; } detector->detect(frame, results); for (YOLODetBox dr : results) { cv::Rect box = dr.box; cv::putText(frame, classNames[0], cv::Point(box.tl().x, box.tl().y - 10), cv::FONT_HERSHEY_SIMPLEX, .5, cv::Scalar(0, 0, 0)); } cv::imshow("OpenCV YOLOv8姿态评估", frame); char c = cv::waitKey(1); if (c == 27) { // ESC 退出 break; } // reset for next frame results.clear(); } return 0;
然后我基于QT5 + OpenCV4.8 实现了全面界面化处理开发,知道自定义的YOLOv8对象检测一键部署,完成各种自定义对象检测功能,运行如下:
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做真正的OpenCV开发者,从入门到入职,一步到位!
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