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cs.CV2026
Latent Space Is Not Flat: Rethinking Latent Structure for 3D Medical Image Synthesis
Haowen Xue, Hao Chen, Hexuan Hu +6
Latent generative models make 3D medical image synthesis computationally practical by generating in a compressed space. However, we show that the common flat Euclidean assumption i…
cs.CV2026
Temporal Structure Matters for Efficient Test-Time Adaptation in Wearable Human Activity Recognition
Zishu Zhou, Zaipeng Xie, Xuanyao Jie
Wearable human activity recognition (WHAR) models often suffer from performance degradation under real-world cross-user distribution shifts. Test-time adaptation (TTA) mitigates th…