AgileFormer: Spatially agile and scalable transformer for medical image segmentation

Peijie Qiu, Jin Yang, Sayantan Kumar, Soumyendu Sekhar Ghosh, Aristeidis Sotiras

Published: 01 Feb 2026, Last Modified: 26 Nov 2025Biomedical Signal Processing and ControlEveryoneRevisionsCC BY-SA 4.0
Abstract: Highlights•AgileFormer captures spatially varying features in medical image segmentation.•Patch embedding and positional encoding are as crucial as self-attention in ViT-UNet.•AgileFormer achieves SOTA on multi-organ, cardiac, and brain tumor segmentation.•AgileFormer scales well, enhancing segmentation accuracy as model size increases.
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