PaddleOCR/deploy/cpp_infer/include/postprocess_op.h

111 lines
2.8 KiB
C++

// Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#pragma once
#include "opencv2/core.hpp"
#include "opencv2/imgcodecs.hpp"
#include "opencv2/imgproc.hpp"
#include <chrono>
#include <iomanip>
#include <iostream>
#include <ostream>
#include <vector>
#include <cstring>
#include <fstream>
#include <numeric>
#include "include/clipper.h"
using namespace std;
namespace PaddleOCR {
inline std::vector<std::string> ReadDict(std::string path) {
std::ifstream in(path);
std::string filename;
std::string line;
std::vector<std::string> m_vec;
if (in) {
while (getline(in, line)) {
m_vec.push_back(line);
}
} else {
std::cout << "no such file" << std::endl;
}
return m_vec;
}
template <class ForwardIterator>
inline size_t Argmax(ForwardIterator first, ForwardIterator last) {
return std::distance(first, std::max_element(first, last));
}
class PostProcessor {
public:
void GetContourArea(float **box, float unclip_ratio, float &distance);
cv::RotatedRect unclip(float **box);
float **Mat2Vec(cv::Mat mat);
void quickSort_vector(std::vector<std::vector<int>> &box, int l, int r,
int axis);
std::vector<std::vector<int>>
order_points_clockwise(std::vector<std::vector<int>> pts);
float **get_mini_boxes(cv::RotatedRect box, float &ssid);
float box_score_fast(float **box_array, cv::Mat pred);
std::vector<std::vector<std::vector<int>>>
boxes_from_bitmap(const cv::Mat pred, const cv::Mat bitmap);
std::vector<std::vector<std::vector<int>>>
filter_tag_det_res(std::vector<std::vector<std::vector<int>>> boxes,
float ratio_h, float ratio_w, cv::Mat srcimg);
template <class ForwardIterator>
inline size_t argmax(ForwardIterator first, ForwardIterator last) {
return std::distance(first, std::max_element(first, last));
}
// CRNN
private:
void quickSort(float **s, int l, int r);
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 PaddleOCR