Training-Time Optical Priors for Wireless Capsule Endoscopy Classification: Hemoglobin-Aware Input Fusion with Cross-Vendor Evaluation
无线胶囊内镜的计算成像先验:蒙特卡洛引导的血红蛋白映射用于罕见异常检测
机构 * Department of Biomedical Engineering, University of Texas Southwestern Medical Center(生物医学工程系,德克萨斯西南医学中心) ; Department of Internal Medicine, University of Texas Southwestern Medical Center(内科系,德克萨斯西南医学中心) ; Department of Radiation Oncology, Stanford University(放射肿瘤学系,斯坦福大学) ; VELVETECH, LLC(VELVETECH公司) ; Division of Digestive and Liver Diseases, Clements University Hospital(消化和肝病系,克莱门斯大学医院) ; Internal Medicine, Division of Digestive and Liver Diseases, Parkland Hospital(内科,消化和肝病系,帕克兰医院)
AI总结 本文提出基于蒙特卡洛启发的分析先验方法,通过融合RGB信号与提取分类器,提升无线胶囊内镜在罕见异常检测中的性能,尤其在淋巴管扩张症上表现显著。
Comments 63 pages, 11 figures, 15 tables. Version submitted to Medical Image Analysis. Adds cross-vendor Galar evaluation (GalKva-2026 benchmark), cross-architecture replication (ResNet-18, ConvNeXt-Tiny), and foundation-model baselines. Code, checkpoints, and benchmark: https://github.com/integritynoble/Physics-Informed-PillCam