更换文档检测模型

paddle_detection/deploy/pptracking/cpp/include/tracker.h

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+//   Copyright (c) 2021 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.
+
+// The code is based on:
+// https://github.com/CnybTseng/JDE/blob/master/platforms/common/jdetracker.h
+// Ths copyright of CnybTseng/JDE is as follows:
+// MIT License
+
+#pragma once
+
+#include <map>
+#include <vector>
+
+#include <opencv2/core/core.hpp>
+#include <opencv2/highgui/highgui.hpp>
+#include <opencv2/imgproc/imgproc.hpp>
+#include "include/trajectory.h"
+
+namespace PaddleDetection {
+
+typedef std::map<int, int> Match;
+typedef std::map<int, int>::iterator MatchIterator;
+
+struct Track {
+  int id;
+  float score;
+  cv::Vec4f ltrb;
+};
+
+class JDETracker {
+ public:
+  static JDETracker *instance(void);
+  virtual bool update(const cv::Mat &dets,
+                      const cv::Mat &emb,
+                      std::vector<Track> *tracks);
+
+ private:
+  JDETracker(void);
+  virtual ~JDETracker(void) {}
+  cv::Mat motion_distance(const TrajectoryPtrPool &a, const TrajectoryPool &b);
+  void linear_assignment(const cv::Mat &cost,
+                         float cost_limit,
+                         Match *matches,
+                         std::vector<int> *mismatch_row,
+                         std::vector<int> *mismatch_col);
+  void remove_duplicate_trajectory(TrajectoryPool *a,
+                                   TrajectoryPool *b,
+                                   float iou_thresh = 0.15f);
+
+ private:
+  static JDETracker *me;
+  int timestamp;
+  TrajectoryPool tracked_trajectories;
+  TrajectoryPool lost_trajectories;
+  TrajectoryPool removed_trajectories;
+  int max_lost_time;
+  float lambda;
+  float det_thresh;
+};
+
+}  // namespace PaddleDetection