SurgiNet: Pyramid Attention Aggregation and Class-wise Self-Distillation for Surgical Instrument Segmentation
Medical Image Analysis(2022)
摘要
•This paper extends from the conference paper Pyramid Attention Aggregation Network for Semantic Segmentation of Surgical Instruments, which has been published in the Thirty-Four AAAI Conference on Artificial Intelligence (AAAI-20).•The double attention module is designed to capture semantic dependencies between locations and channels, which helps to address illumination issues. Pyramid attention is aggregated to capture multi-scale features and make predictions more accurate.•Class-wise self-distillation is proposed to distill knowledge based on class probability maps, which can enhance the representation learning of the network. The network can adopt a lightweight backbone while obtaining high accuracy.•The proposed SurgiNet achieves the state-of-the-art performance of 89.14% mIoU on CataIS with only 1.66 GFlops and 2.05 M parameters. It also takes first place on EndoVis 2017 with 66.30% mIoU.•This manuscript constructs a new cataract surgical instrument segmentation dataset CataIS, which annotates 11 surgical instruments under different illumination scenarios. This dataset will be made public soon.
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关键词
Surgical Insturment Segmentation,Class-wise Self-Distillation,Pyramid Attention
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