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Rethinking Low-quality Optical Flow in Unsupervised Surgical Instrument Segmentation
March 18, 2024, 4:44 a.m. | Peiran Wu, Yang Liu, Jiayu Huo, Gongyu Zhang, Christos Bergeles, Rachel Sparks, Prokar Dasgupta, Alejandro Granados, Sebastien Ourselin
cs.CV updates on arXiv.org arxiv.org
Abstract: Video-based surgical instrument segmentation plays an important role in robot-assisted surgeries. Unlike supervised settings, unsupervised segmentation relies heavily on motion cues, which are challenging to discern due to the typically lower quality of optical flow in surgical footage compared to natural scenes. This presents a considerable burden for the advancement of unsupervised segmentation techniques. In our work, we address the challenge of enhancing model performance despite the inherent limitations of low-quality optical flow. Our methodology …
arxiv cs.ai cs.cv flow low optical optical flow quality segmentation type unsupervised
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