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third_party/paddle_ocr/include/ocr_det.h

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+// 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 <paddle_api.h>
+#include <paddle_inference_api.h>
+#include <chrono>
+#include <iomanip>
+#include <iostream>
+#include <ostream>
+#include <vector>
+
+#include <cstring>
+#include <fstream>
+#include <numeric>
+
+#include "postprocess_op.h"
+#include "preprocess_op.h"
+
+using namespace paddle_infer;
+
+namespace PaddleOCR {
+
+class DBDetector {
+public:
+  explicit DBDetector(const std::string &model_dir) {
+    LoadModel(model_dir);
+  }
+
+  // Load Paddle inference model
+  void LoadModel(const std::string &model_dir);
+
+  // Run predictor
+  void Run(cv::Mat &img, std::vector<std::vector<std::vector<int>>> &boxes,
+           std::vector<double> &times);
+
+private:
+  std::shared_ptr<Predictor> predictor_;
+
+  bool use_gpu_ = true;
+  int gpu_id_ = 0;
+  int gpu_mem_ = 4000;
+  int cpu_math_library_num_threads_ = 4;
+  bool use_mkldnn_ = false;
+
+  string limit_type_ = "max";
+  int limit_side_len_ = 960;
+
+  double det_db_thresh_ = 0.3;
+  double det_db_box_thresh_ = 0.5;
+  double det_db_unclip_ratio_ = 2.0;
+  std::string det_db_score_mode_ = "slow";
+  bool use_dilation_ = false;
+
+  bool visualize_ = true;
+  bool use_tensorrt_ = false;
+  std::string precision_ = "fp32";
+
+  std::vector<float> mean_ = {0.485f, 0.456f, 0.406f};
+  std::vector<float> scale_ = {1 / 0.229f, 1 / 0.224f, 1 / 0.225f};
+  bool is_scale_ = true;
+
+  // pre-process
+  ResizeImgType0 resize_op_;
+  Normalize normalize_op_;
+  Permute permute_op_;
+
+  // post-process
+  DBPostProcessor post_processor_;
+};
+
+} // namespace PaddleOCR