undistortion_handler.h

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/******************************************************************************
 * Copyright 2018 The Apollo 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 <string>
 
#include "modules/perception/common/base/blob.h"
#include "modules/perception/common/base/distortion_model.h"
#include "modules/perception/common/base/image.h"
 
namespace apollo {
namespace perception {
namespace camera {
 
class UndistortionHandler {
 public:
  UndistortionHandler() { inited_ = false; }
 
  ~UndistortionHandler() { Release(); }
 
  bool set_device(int device);
  bool Init(const std::string &sensor_name, int device);
  void InitUndistortRectifyMap(const Eigen::Matrix3f &camera_model,
                               const Eigen::Matrix<float, 8, 1> &distortion,
                               const Eigen::Matrix3f &R,
                               const Eigen::Matrix3f &new_camera_model,
                               int width, int height, base::Blob<float> *d_mapx,
                               base::Blob<float> *d_mapy);
  bool Handle(const base::Image8U &src_img, base::Image8U *dst_img);
  // @brief: Release the resources
  bool Release(void);
 
 private:
  base::Blob<float> d_mapx_;
  base::Blob<float> d_mapy_;
 
  int width_ = 0;     // image cols
  int height_ = 0;    // image rows
  int in_size_ = 0;   // size of the input image in byte
  int out_size_ = 0;  // size of the output image in byte
  int device_ = 0;    // device number for gpu
  bool inited_ = 0;
};
 
}  // namespace camera
}  // namespace perception
}  // namespace apollo