Author

Yao-Yao Liu

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Preprint Oct 2026

4Director: Controlling Video World Models with Rigid 3D Geometry

Precise control over camera and object motion is essential for professional video production. Existing methods control objects only coarsely, through image-plane cues that are ambiguous in depth and rotation or through 3D tracks and blobs that lack complete geometry and lose consistency across viewpoint changes. We int...

Wei Cao, Hao Zhang, Vikram Voleti et al. · 0 citations

Jul 2026

AlphaWiSE: Adaptive Weight Interpolation for Continual Multimodal Representation Learning

This work proposes AlphaWiSE, a post-hoc weight-space interpolation method that composes two frozen source checkpoints that fits one scalar interpolation coefficient shared by all tensor entries for cross-modal retrieval.

Sarthak Jain, Qi-Ran Hu, Zhen Zhu et al. · arXiv.org · 0 citations