Computer Vision
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ETCH-X: A Robust and Expressive Human Body Fitting Method for Clothed 3D Scans
ETCH-X is a novel human body fitting method designed to improve both the expressiveness and robustness of fitting parametric body models like SMPL-X to 3D point clouds of clothed humans. It achieves this through a tightness-aware fitting paradigm that filters out clothing dynamics, utilizes implicit…
Elastic Test-Time Training for Scalable 4D Reconstruction
The proposed Fast Spatial Memory (FSM) architecture leverages Elastic Test-Time Training to enable multi-chunk adaptation for 4D reconstruction. By incorporating a Fisher-weighted elastic prior and an exponential moving average anchor state, the system mitigates catastrophic forgetting and overfitti…