// Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#pragma once
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#include <opencv2/core.hpp>
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#include <opencv2/imgcodecs.hpp>
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#include <opencv2/imgproc.hpp>
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#include <chrono>
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#include <iomanip>
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#include <iostream>
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#include <ostream>
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#include <vector>
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#include <cstring>
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#include <fstream>
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#include <numeric>
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#include "clipper.h"
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#include "utility.h"
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using namespace std;
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namespace PaddleOCR {
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class DBPostProcessor {
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public:
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void GetContourArea(const std::vector<std::vector<float>> &box,
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float unclip_ratio, float &distance);
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cv::RotatedRect UnClip(std::vector<std::vector<float>> box,
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const float &unclip_ratio);
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float **Mat2Vec(cv::Mat mat);
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std::vector<std::vector<int>>
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OrderPointsClockwise(std::vector<std::vector<int>> pts);
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std::vector<std::vector<float>> GetMiniBoxes(cv::RotatedRect box,
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float &ssid);
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float BoxScoreFast(std::vector<std::vector<float>> box_array, cv::Mat pred);
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float PolygonScoreAcc(std::vector<cv::Point> contour, cv::Mat pred);
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std::vector<std::vector<std::vector<int>>>
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BoxesFromBitmap(const cv::Mat pred, const cv::Mat bitmap,
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const float &box_thresh, const float &det_db_unclip_ratio,
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const std::string &det_db_score_mode);
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std::vector<std::vector<std::vector<int>>>
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FilterTagDetRes(std::vector<std::vector<std::vector<int>>> boxes,
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float ratio_h, float ratio_w, cv::Mat srcimg);
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private:
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static bool XsortInt(std::vector<int> a, std::vector<int> b);
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static bool XsortFp32(std::vector<float> a, std::vector<float> b);
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std::vector<std::vector<float>> Mat2Vector(cv::Mat mat);
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inline int _max(int a, int b) { return a >= b ? a : b; }
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inline int _min(int a, int b) { return a >= b ? b : a; }
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template <class T> inline T clamp(T x, T min, T max) {
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if (x > max)
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return max;
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if (x < min)
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return min;
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return x;
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}
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inline float clampf(float x, float min, float max) {
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if (x > max)
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return max;
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if (x < min)
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return min;
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return x;
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}
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};
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class TablePostProcessor {
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public:
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void init(std::string label_path);
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void
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Run(std::vector<float> &loc_preds, std::vector<float> &structure_probs,
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std::vector<float> &rec_scores, std::vector<int> &loc_preds_shape,
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std::vector<int> &structure_probs_shape,
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std::vector<std::vector<std::string>> &rec_html_tag_batch,
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std::vector<std::vector<std::vector<std::vector<int>>>> &rec_boxes_batch,
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std::vector<int> &width_list, std::vector<int> &height_list);
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private:
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std::vector<std::string> label_list_;
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std::string end = "eos";
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std::string beg = "sos";
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};
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} // namespace PaddleOCR
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