62 lines
1.8 KiB
C++
62 lines
1.8 KiB
C++
//
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// Created by DefTruth on 2022/1/16.
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//
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#ifndef LITE_AI_TOOLKIT_ORT_CV_YOLO5FACE_H
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#define LITE_AI_TOOLKIT_ORT_CV_YOLO5FACE_H
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#include "lite/ort/core/ort_core.h"
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namespace ortcv
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{
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class LITE_EXPORTS YOLO5Face : public BasicOrtHandler
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{
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public:
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explicit YOLO5Face(const std::string &_onnx_path, unsigned int _num_threads = 1);
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~YOLO5Face() override = default;
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private:
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// nested classes
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typedef struct
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{
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float ratio;
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int dw;
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int dh;
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bool flag;
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} YOLO5FaceScaleParams;
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private:
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static constexpr const float mean_val = 0.f; // RGB
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static constexpr const float scale_val = 1.0 / 255.f;
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static constexpr const unsigned int max_nms = 30000;
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private:
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Ort::Value transform(const cv::Mat &mat_rs) override; // without resize
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void resize_unscale(const cv::Mat &mat,
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cv::Mat &mat_rs,
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int target_height,
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int target_width,
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YOLO5FaceScaleParams &scale_params);
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void generate_bboxes_kps(const YOLO5FaceScaleParams &scale_params,
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std::vector<types::BoxfWithLandmarks> &bbox_kps_collection,
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std::vector<Ort::Value> &output_tensors,
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float score_threshold, float img_height,
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float img_width); // rescale & exclude
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void nms_bboxes_kps(std::vector<types::BoxfWithLandmarks> &input,
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std::vector<types::BoxfWithLandmarks> &output,
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float iou_threshold, unsigned int topk);
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public:
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void detect(const cv::Mat &mat, std::vector<types::BoxfWithLandmarks> &detected_boxes_kps,
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float score_threshold = 0.3f, float iou_threshold = 0.45f,
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unsigned int topk = 400);
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};
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}
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#endif //LITE_AI_TOOLKIT_ORT_CV_YOLO5FACE_H
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