Author

Ce Zhang

2 papers indexed here

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Jul 2026

LENS: Adaptive Spatio-Temporal Zooming for Keyframe Sampling in Long-Form Videos

LENS is a training-free keyframe sampling framework that dynamically decides when to zoom in for fine-grained details and when to zoom out for broader context based on the text query, enabling the model to reason across multiple granularities while capturing both high-fidelity details and long-range context.

Ce Zhang, Jinxi He, Katia Sycara et al. · arXiv.org · 2 citations

Preprint Aug 2026

StreamScout: Learning When to Look Deeper for Streaming Video Understanding

Streaming video understanding requires answering questions that arrive at arbitrary moments over an unbounded video stream. Existing systems primarily focus on what to retain in a bounded memory, yet access that memory using the same fixed-cost procedure for every query, despite substantial variation in the evidence re...

Ce Zhang, Jing Bi, Jinxi He et al. · 2 citations