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Shi-Qiao Gu

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Preprint Oct 2026

LightVAE: Towards Compact and Efficient Video Autoencoders

Latent diffusion models enable high-quality video generation, but video VAE encoding and decoding remain computationally expensive. Existing methods use stage-specific lightweight operators, yet either constrain spatial and temporal computation jointly or remove temporal computation altogether, without distinguishing t...

Shi-Qiao Gu, Yang Yong, Feng-Jun Zhong et al. · 0 citations
#machine learning Preprint Oct 2026

RealtimeWAM: One-Step Asynchronous World Action Models

World Action Models (WAMs) incorporate visual representations from video generation backbones to guide action prediction. Recent efficient WAMs adopt Mixture-of-Transformers (MoT) architectures and compute video representations once for reuse by the action expert. However, intra-expert iteration (\ie, multi-step action...

Cheng-Tao Lv, Jin-Yang Du, Shu-Yi Feng et al. · 0 citations

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