base_matcher.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 <utility>
#include <vector>
 
#include "gtest/gtest_prod.h"
 
#include "cyber/common/macros.h"
#include "modules/perception/common/base/frame.h"
#include "modules/perception/common/lib/interface/base_init_options.h"
#include "modules/perception/common/lib/registerer/registerer.h"
#include "modules/perception/radar_detection/lib/tracker/common/radar_track.h"
 
namespace apollo {
namespace perception {
namespace radar {
 
typedef std::pair<size_t, size_t> TrackObjectPair;
 
struct MatcherInitOptions : public BaseInitOptions {
  // reserved
};
 
struct TrackObjectMatcherOptions {
  Eigen::Vector3d *ref_point = nullptr;
};
 
class BaseMatcher {
 public:
  BaseMatcher() = default;
  virtual ~BaseMatcher() = default;
 
  virtual bool Init(const MatcherInitOptions &options) { return true; }
 
  virtual bool Match(const std::vector<RadarTrackPtr> &radar_tracks,
                     const base::Frame &radar_frame,
                     const TrackObjectMatcherOptions &options,
                     std::vector<TrackObjectPair> *assignments,
                     std::vector<size_t> *unassigned_tracks,
                     std::vector<size_t> *unassigned_objects) {
    return true;
  }
 
  virtual void IDMatch(const std::vector<RadarTrackPtr> &radar_tracks,
                       const base::Frame &radar_frame,
                       std::vector<TrackObjectPair> *assignments,
                       std::vector<size_t> *unassigned_tracks,
                       std::vector<size_t> *unassigned_objects);
 
  virtual std::string Name() const { return "BaseMatcher"; }
 
  static void SetMaxMatchDistance(double dist);
 
  static double GetMaxMatchDistance();
 
  static void SetBoundMatchDistance(double dist);
 
  static double GetBoundMatchDistance();
 
 protected:
  virtual bool RefinedTrack(const base::ObjectPtr &track_object,
                            double track_timestamp,
                            const base::ObjectPtr &radar_object,
                            double radar_timestamp);
 
 protected:
  static double s_max_match_distance_;
  static double s_bound_match_distance_;
  FRIEND_TEST(BaseMatcherTest, base_matcher_test);
 
 private:
  DISALLOW_COPY_AND_ASSIGN(BaseMatcher);
};
 
PERCEPTION_REGISTER_REGISTERER(BaseMatcher);
#define PERCEPTION_REGISTER_MATCHER(name) \
  PERCEPTION_REGISTER_CLASS(BaseMatcher, name)
 
}  // namespace radar
}  // namespace perception
}  // namespace apollo