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- W4386694293 abstract "Automated segmentation of large volumes of medical images is often plagued by the limited availability of fully annotated data and the diversity of organ surface properties resulting from the use of different acquisition protocols for different patients. In this paper, we introduce a more promising few-shot learning-based method named Region-enhanced Prototypical Transformer (RPT) to mitigate the effects of large intra-class diversity/bias. First, a subdivision strategy is introduced to produce a collection of regional prototypes from the foreground of the support prototype. Second, a self-selection mechanism is proposed to incorporate into the Bias-alleviated Transformer (BaT) block to suppress or remove interferences present in the query prototype and regional support prototypes. By stacking BaT blocks, the proposed RPT can iteratively optimize the generated regional prototypes and finally produce rectified and more accurate global prototypes for Few-Shot Medical Image Segmentation (FSMS). Extensive experiments are conducted on three publicly available medical image datasets, and the obtained results show consistent improvements compared to state-of-the-art FSMS methods. The source code is available at: https://github.com/YazhouZhu19/RPT." @default.
- W4386694293 created "2023-09-14" @default.
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- W4386694293 date "2023-09-09" @default.
- W4386694293 modified "2023-10-18" @default.
- W4386694293 title "Few-Shot Medical Image Segmentation via a Region-enhanced Prototypical Transformer" @default.
- W4386694293 doi "https://doi.org/10.48550/arxiv.2309.04825" @default.
- W4386694293 hasPublicationYear "2023" @default.
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