tracking_feat_extractor.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 <memory>
#include <string>
#include <vector>

#include "modules/perception/base/blob.h"
#include "modules/perception/base/object.h"
#include "modules/perception/camera/common/camera_frame.h"
#include "modules/perception/camera/common/util.h"
#include "modules/perception/camera/lib/feature_extractor/tfe/proto/tracking_feature.pb.h"
#include "modules/perception/camera/lib/interface/base_feature_extractor.h"
#include "modules/perception/inference/operators/roipooling_layer.h"
#include "modules/perception/inference/utils/gemm.h"

namespace apollo {
namespace perception {
namespace camera {
struct FeatureExtractorLayer {
  std::shared_ptr<inference::Layer<float>> pooling_layer;
  std::shared_ptr<base::Blob<float>> rois_blob;
  std::shared_ptr<base::Blob<float>> top_blob;
};
class TrackingFeatureExtractor : public BaseFeatureExtractor {
 public:
  TrackingFeatureExtractor() {}
  ~TrackingFeatureExtractor() {}

  bool Init(const FeatureExtractorInitOptions &init_options) override;
  bool Extract(const FeatureExtractorOptions &options,
               CameraFrame *frame) override;
  std::string Name() const override { return "TrackingFeatureExtractor"; }

 protected:
  void init_roipooling(const FeatureExtractorInitOptions &init_options,
                       const tracking_feature::ROIPoolingParam &param);
  std::vector<std::shared_ptr<FeatureExtractorLayer>> roi_poolings_;
  inference::GPUL2Norm norm_;
  int input_height_ = 0;
  int input_width_ = 0;
  int feat_width_ = 0;
  int feat_height_ = 0;
};

}  // namespace camera
}  // namespace perception
}  // namespace apollo