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Yi Xu

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#computer vision Preprint Sep 2026

KnowVis: Knowledge-Centric Visual Summarization for Video Lectures

KnowVis is proposed, a framework that transforms linear video lectures into pedagogically grounded visual narratives, and generates more accurate and clear visuals that successfully reduce cognitive load and significantly improve student learning effectiveness and knowledge retention.

Yi Xu, Yi-Fan Hou, Xiao-Yu Zhang · 0 citations
#computer vision Preprint Aug 2026

GlanceWAM: Sparse Test-Time Imagination for World-Action Models

GlanceWAM is introduced, which decouples imagination from control within a single video DiT: an asynchronous proposer glances ahead on a slow clock to imagine a single lookahead frame seconds into the future in the background, while an action head decodes action chunks at control rate purely in latent space without blo...

Lin-Han Wang, Zi-Jian An, Mingyuan Zhang et al. · 3 citations

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