DN-DETR: Accelerate DETR Training by Introducing Query DeNoising

• URL: http://arxiv.org/abs/2203.01305v1
• Date: Wed, 2 Mar 2022 18:50:23 GMT
• Title: DN-DETR: Accelerate DETR Training by Introducing Query DeNoising
• Abstract summary: We present a novel training method to speedup DETR (DEtection TRansformer) training. We show that the slow convergence results from the instability of bipartite graph matching. Our method feeds ground-truth bounding boxes with noises into Transformer decoder and trains the model to reconstruct the original boxes.
• Score: 20.589146395352714
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: We present in this paper a novel denoising training method to speedup DETR (DEtection TRansformer) training and offer a deepened understanding of the slow convergence issue of DETR-like methods. We show that the slow convergence results from the instability of bipartite graph matching which causes inconsistent optimization goals in early training stages. To address this issue, except for the Hungarian loss, our method additionally feeds ground-truth bounding boxes with noises into Transformer decoder and trains the model to reconstruct the original boxes, which effectively reduces the bipartite graph matching difficulty and leads to a faster convergence. Our method is universal and can be easily plugged into any DETR-like methods by adding dozens of lines of code to achieve a remarkable improvement. As a result, our DN-DETR results in a remarkable improvement ($+1.9$AP) under the same setting and achieves the best result (AP $43.4$ and $48.6$ with $12$ and $50$ epochs of training respectively) among DETR-like methods with ResNet-$50$ backbone. Compared with the baseline under the same setting, DN-DETR achieves comparable performance with $50\%$ training epochs. Code is available at \url{https://github.com/FengLi-ust/DN-DETR}.

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