46 lines
1.2 KiB
C++
46 lines
1.2 KiB
C++
#pragma once
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#include <fstream>
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#include <vector>
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#include <string>
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#include <random>
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#include <filesystem>
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#include <opencv2/imgproc.hpp>
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#include <opencv2/opencv.hpp>
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#include <opencv2/dnn.hpp>
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class Yolo
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{
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public:
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struct Detection
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{
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int class_id = 0;
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std::string className;
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float confidence = 0.0;
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int priority = -1;
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cv::Scalar color;
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cv::Rect box;
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};
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private:
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static constexpr float modelConfidenceThreshold = 0.25;
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static constexpr float modelScoreThreshold = 0.45;
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static constexpr float modelNMSThreshold = 0.50;
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std::string modelPath;
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std::vector<std::pair<std::string, int>> classes;
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cv::Size2f modelShape;
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bool letterBoxForSquare = true;
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cv::dnn::Net net;
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void loadClasses(const std::string& classes);
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void loadOnnxNetwork(const std::filesystem::path& path);
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cv::Mat formatToSquare(const cv::Mat &source);
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static void clampBox(cv::Rect& box, const cv::Size& size);
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public:
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Yolo(const std::filesystem::path &onnxModelPath = "", const cv::Size& modelInputShape = {640, 480},
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const std::filesystem::path& classesTxtFilePath = "", bool runWithOCl = true);
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std::vector<Detection> runInference(const cv::Mat &input);
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int getClassForStr(const std::string& str) const;
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};
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