apollo::perception::camera::CosineSimilar类 参考

#include <similar.h>

类 apollo::perception::camera::CosineSimilar 继承关系图:

apollo::perception::camera::CosineSimilar 的协作图:

Public 成员函数
	CosineSimilar ()=default
bool	Calc (CameraTrackingFrame *frame1, CameraTrackingFrame *frame2, base::Blob< float > *sim) override

详细描述

在文件 similar.h 第 30 行定义.

构造及析构函数说明

CosineSimilar()

apollo::perception::camera::CosineSimilar::CosineSimilar ( )

default

成员函数说明

Calc()

bool apollo::perception::camera::CosineSimilar::Calc ( CameraTrackingFrame *  frame1, CameraTrackingFrame *  frame2, base::Blob< float > *  sim  )

overridevirtual

实现了 apollo::perception::camera::BaseSimilar.

在文件 similar.cc 第 24 行定义.

                                                                            {
  auto n = frame1->detected_objects.size();
  auto m = frame2->detected_objects.size();
  if ((n && m) == 0) {
    return false;
  }
  sim->Reshape({static_cast<int>(n), static_cast<int>(m)});
  float *sim_data = sim->mutable_cpu_data();
  auto dim =
      frame1->detected_objects[0]->camera_supplement.object_feature.size();
  for (auto &object1 : frame1->detected_objects) {
    for (auto &object2 : frame2->detected_objects) {
      float s = 0.0f;
      for (size_t k = 0; k < dim; ++k) {
        s += object1->camera_supplement.object_feature[k] *
             object2->camera_supplement.object_feature[k];
      }
      *sim_data = s;
      ++sim_data;
    }
  }
  return true;
}

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该类的文档由以下文件生成:

• modules/perception/camera_tracking/common/similar.h
• modules/perception/camera_tracking/common/similar.cc