A dual cross-attention Siamese Swin Transformer model trained on image pairs from 135 patients achieves 81.76% balanced accuracy, 90.07% sensitivity, and 72.86% specificity on a held-out set of 62 patients for distinguishing clinical complete response from local regrowth in rectal cancer endoscopy.
Methods to fuse information from temporal images vary, ranging from simple feature differenc- ing [7], image or features concatenation [8] to cross-attention formulations [10, 9]
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Dual Cross-Attention Siamese Transformer for Rectal Tumor Regrowth Assessment in Watch-and-Wait Endoscopy
A dual cross-attention Siamese Swin Transformer model trained on image pairs from 135 patients achieves 81.76% balanced accuracy, 90.07% sensitivity, and 72.86% specificity on a held-out set of 62 patients for distinguishing clinical complete response from local regrowth in rectal cancer endoscopy.