This part of the codebase is modified from DETR https://github.com/facebookresearch/detr under APACHE 2.0.
@article{Carion2020EndtoEndOD,
title={End-to-End Object Detection with Transformers},
author={Nicolas Carion and Francisco Massa and Gabriel Synnaeve and Nicolas Usunier and Alexander Kirillov and Sergey Zagoruyko},
journal={ArXiv},
year={2020},
volume={abs/2005.12872}
}