tiny_yolov4_coco.h
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//
// Created by DefTruth on 2021/8/7.
//
#ifndef LITE_AI_ORT_CV_TINY_YOLOV4_COCO_H
#define LITE_AI_ORT_CV_TINY_YOLOV4_COCO_H
#include "lite/ort/core/ort_core.h"
namespace ortcv
{
class LITE_EXPORTS TinyYoloV4COCO : public BasicOrtHandler
{
public:
explicit TinyYoloV4COCO(const std::string &_onnx_path, unsigned int _num_threads = 1) :
BasicOrtHandler(_onnx_path, _num_threads)
{};
~TinyYoloV4COCO() override = default;
private:
static constexpr const float mean_val = 0.f;
static constexpr const float scale_val = 1.0 / 255.f;
const char *class_names[80] = {
"person", "bicycle", "car", "motorcycle", "airplane", "bus", "train", "truck", "boat", "traffic light",
"fire hydrant", "stop sign", "parking meter", "bench", "bird", "cat", "dog", "horse", "sheep", "cow",
"elephant", "bear", "zebra", "giraffe", "backpack", "umbrella", "handbag", "tie", "suitcase", "frisbee",
"skis", "snowboard", "sports ball", "kite", "baseball bat", "baseball glove", "skateboard", "surfboard",
"tennis racket", "bottle", "wine glass", "cup", "fork", "knife", "spoon", "bowl", "banana", "apple",
"sandwich", "orange", "broccoli", "carrot", "hot dog", "pizza", "donut", "cake", "chair", "couch",
"potted plant", "bed", "dining table", "toilet", "tv", "laptop", "mouse", "remote", "keyboard",
"cell phone", "microwave", "oven", "toaster", "sink", "refrigerator", "book", "clock", "vase",
"scissors", "teddy bear", "hair drier", "toothbrush"
}; // coco 80 classes
enum NMS
{
HARD = 0, BLEND = 1, OFFSET = 2
};
static constexpr const unsigned int max_nms = 30000;
private:
Ort::Value transform(const cv::Mat &mat) override;
void generate_bboxes(std::vector<types::Boxf> &bbox_collection,
std::vector<Ort::Value> &output_tensors,
float score_threshold, float img_height,
float img_width); // rescale & exclude
void nms(std::vector<types::Boxf> &input, std::vector<types::Boxf> &output,
float iou_threshold, unsigned int topk, unsigned int nms_type);
public:
void detect(const cv::Mat &mat, std::vector<types::Boxf> &detected_boxes,
float score_threshold = 0.25f, float iou_threshold = 0.45f,
unsigned int topk = 100, unsigned int nms_type = NMS::OFFSET);
};
}
#endif //LITE_AI_ORT_CV_TINY_YOLOV4_COCO_H