ATSO: Asynchronous Teacher-Student Optimization for Semi-Supervised Medical Image Segmentation
In medical image analysis, semi-supervised learning is an effective method to extract knowledge from a small amount of labeled data and a large amount of unlabeled data. This paper focuses on a popular pipeline known as self learning, and points out a weakness named lazy learning that refers to the difficulty for a model to learn from the pseudo labels generated by itself. To alleviate this issue, we propose ATSO, an asynchronous version of teacher-student optimization. ATSO partitions the unlabeled data into two subsets and alternately uses one subset to fine-tune the model and updates the label on the other subset. We evaluate ATSO on two popular medical image segmentation datasets and show its superior performance in various semi-supervised settings. With slight modification, ATSO transfers well to natural image segmentation for autonomous driving data.
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Autonomous DrivingImage SegmentationMedical Image AnalysisMedical Image SegmentationSegmentationSelf-LearningSemantic SegmentationSemi-supervised Medical Image SegmentationSimilar Papers 제목 키워드 기반
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