UP-DETR ：使用变压器进行对象检测的无监督预训练 这是的官方PyTorch实施和模型： article{dai2020up-detr, author = {Zhigang Dai and Bolun Cai and Yugeng Lin and Junying Chen}, title = {UP-DETR: Unsupervised Pre-training for Object Detection with Transformers}, journal = {arX