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Author

Jiepeng Wang

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Preprint Oct 2026

WithinVAE: Compact Visual Autoencoding with Self-Distilled Semantics

Visual autoencoders must balance reconstruction fidelity, compactness, and semantic structure. Existing semantic tokenizers typically inherit semantics from pretrained recognition encoders, whose invariances can discard the appearance detail required for inversion. We show that this inheritance is unnecessary: semantic...

Yu-Zhou Ji, Jie-Peng Wang, Tian-Yu Jin et al. · 0 citations
Jun 2026

SIFT: Self-Imagination Fine-Tuning for Physically Plausible Motion in Video Diffusion Models

Recent advances in video diffusion models have greatly improved visual fidelity, yet their generated motions often violate physical plausibility. We observe a common kinematic failure,"motion entanglement", the unintended coupling of independent motion sources, such as camera movement and object motion. We identify tha...

Ruoyu Wang, Jialun Liu, Huayang Huang et al. · 1 citation

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