Information sparsity guided transformer for multi-modal medical image super-resolution

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Haotian Lu, Jie Mei, Yu Qiu, Yumeng Li, Fangwei Hao, Jing Xu, Lin Tang

Published: 2025, Last Modified: 12 Nov 2025Expert Syst. Appl. 2025EveryoneRevisionsBibTeXCC BY-SA 4.0
Abstract: Highlights•Sparsity-guided SG-SRNet first explores the sparsity of medical images.•Patch selection algorithm can screen out the informative regions of medical image.•Cluster-based attention calculates attention between information-related tokens.•SG-SRNet brings significant performance enhancements with low complexity.