dbdetector.h

// Copyright (c) 2022 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 "fastdeploy/fastdeploy_model.h"
#include "fastdeploy/vision/common/processors/transform.h"
#include "fastdeploy/vision/common/result.h"
#include "fastdeploy/vision/ocr/ppocr/utils/ocr_postprocess_op.h"
#include "fastdeploy/vision/ocr/ppocr/det_postprocessor.h"
#include "fastdeploy/vision/ocr/ppocr/det_preprocessor.h"
#include "fastdeploy/utils/unique_ptr.h"

namespace fastdeploy {
namespace vision {
namespace ocr {

class FASTDEPLOY_DECL DBDetector : public FastDeployModel {
 public:
  DBDetector();
  DBDetector(const std::string& model_file, const std::string& params_file = "",
             const RuntimeOption& custom_option = RuntimeOption(),
             const ModelFormat& model_format = ModelFormat::PADDLE);

  virtual std::unique_ptr<DBDetector> Clone() const;

  std::string ModelName() const { return "ppocr/ocr_det"; }

  virtual bool Predict(const cv::Mat& img,
                       std::vector<std::array<int, 8>>* boxes_result);

  virtual bool Predict(const cv::Mat& img, vision::OCRResult* ocr_result);

  virtual bool BatchPredict(const std::vector<cv::Mat>& images,
          std::vector<std::vector<std::array<int, 8>>>* det_results);

  virtual bool BatchPredict(const std::vector<cv::Mat>& images,
                              std::vector<vision::OCRResult>* ocr_results);

  virtual DBDetectorPreprocessor& GetPreprocessor() {
    return preprocessor_;
  }

  virtual DBDetectorPostprocessor& GetPostprocessor() {
    return postprocessor_;
  }

 private:
  bool Initialize();
  DBDetectorPreprocessor preprocessor_;
  DBDetectorPostprocessor postprocessor_;
};

}  // namespace ocr
}  // namespace vision
}  // namespace fastdeploy