IterMask3D: Unsupervised Anomaly Detection and Segmentation with Test-Time Iterative Mask Refinement in 3D Brain MR. - Ziyun Liang; Xiaoqing Guo; Wentian Xu; Yasin Ibrahim; Natalie Voets; Pieter M. Pretorius; J. Alison Noble; Konstantinos Kamnitsas (CoRR, 2025)