How match  match it with the database?

  I'm sorry to bother you, I am a college student.I saw your project "VoxelHashing - master" on gitbub and I 'm very interested in this project , so I try to debug it. Finally，I run it successfully, but I can only do the 3D scene reconstruction, cannot do match it with the database . Could you please tell me how to match? I would appreciate if you could help me~~
