49 lines
1.4 KiB
C
49 lines
1.4 KiB
C
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//
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// Created by DefTruth on 2021/3/14.
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//
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#ifndef LITE_AI_ORT_CV_ULTRAFACE_H
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#define LITE_AI_ORT_CV_ULTRAFACE_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 UltraFace : public BasicOrtHandler
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{
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public:
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explicit UltraFace(const std::string &_onnx_path, unsigned int _num_threads = 1) :
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BasicOrtHandler(_onnx_path, _num_threads)
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{};
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~UltraFace() override = default; // override
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private:
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static constexpr const float mean_val = 127.0f;
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static constexpr const float scale_val = 1.0f / 128.0f;
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enum NMS
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{
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HARD = 0, BLEND = 1, OFFSET = 2
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};
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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) override;
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void generate_bboxes(std::vector<types::Boxf> &bbox_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(std::vector<types::Boxf> &input, std::vector<types::Boxf> &output,
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float iou_threshold, unsigned int topk, unsigned int nms_type);
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public:
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void detect(const cv::Mat &mat, std::vector<types::Boxf> &detected_boxes,
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float score_threshold = 0.7f, float iou_threshold = 0.3f,
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unsigned int topk = 300, unsigned int nms_type = 0);
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};
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}
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#endif //LITE_AI_ORT_CV_ULTRAFACE_H
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