ocr_postprocess_op.h

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#pragma once
 
#include <cstring>
#include <fstream>
#include <iomanip>
#include <iostream>
#include <map>
#include <numeric>
#include <ostream>
#include <vector>
 
#include "nndeploy/base/macro.h"
 
#include "nndeploy/ocr/clipper.h"
#include "opencv2/core.hpp"
#include "opencv2/imgproc.hpp"
 
namespace nndeploy {
namespace ocr {
 
class NNDEPLOY_CC_API PostProcessor {
 public:
  void GetContourArea(const std::vector<std::vector<float>> &box,
                      float unclip_ratio, float &distance);
 
  cv::RotatedRect UnClip(std::vector<std::vector<float>> box,
                         const float &unclip_ratio);
 
  float **Mat2Vec(cv::Mat mat);
 
  std::vector<std::vector<int>> OrderPointsClockwise(
      std::vector<std::vector<int>> pts);
 
  std::vector<std::vector<float>> GetMiniBoxes(cv::RotatedRect box,
                                               float &ssid);
 
  float BoxScoreFast(std::vector<std::vector<float>> box_array, cv::Mat pred);
  float PolygonScoreAcc(std::vector<cv::Point> contour, cv::Mat pred);
 
  std::vector<std::vector<std::vector<int>>> BoxesFromBitmap(
      const cv::Mat pred, const cv::Mat bitmap, const float &box_thresh,
      const float &det_db_unclip_ratio, const std::string &det_db_score_mode);
 
  std::vector<std::vector<std::vector<int>>> FilterTagDetRes(
      std::vector<std::vector<std::vector<int>>> boxes,
      const std::array<int, 4> &det_img_info);
 
 private:
  static bool XsortInt(std::vector<int> a, std::vector<int> b);
 
  static bool XsortFp32(std::vector<float> a, std::vector<float> b);
 
  std::vector<std::vector<float>> Mat2Vector(cv::Mat mat);
 
  inline int _max(int a, int b) { return a >= b ? a : b; }
 
  inline int _min(int a, int b) { return a >= b ? b : a; }
 
  template <class T>
  inline T clamp(T x, T min, T max) {
    if (x > max) return max;
    if (x < min) return min;
    return x;
  }
 
  inline float clampf(float x, float min, float max) {
    if (x > max) return max;
    if (x < min) return min;
    return x;
  }
};
 
}  // namespace ocr
}  // namespace nndeploy