Author

Xi-Ke Xie

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#artificial intelligence Preprint Sep 2026

VideoMM: Adaptive Macro-Micro Inference for Efficient Video MLLMs

Scaling Multimodal Large Language Models (MLLMs) to long-form video understanding is bottlenecked by the explosion of visual tokens, which saturates context windows and incurs prohibitive costs. Current solutions predominantly rely on auxiliary models for token reduction but face a fundamental dilemma: lightweight enco...

Hao-Yu Guo, Yuan Feng, Junlin Lv et al. · 0 citations

Preprint Aug 2026

LibraSpec: Dynamic Diffusion-Based Speculative Decoding via Marginal-Gain-Driven Optimization

LibraSpec, a training-free and plug-and-play algorithm that iteratively determines the speculative length using drafter confidence scores, is developed and it is proved that LibraSpec monotonically converges toward the optimal speculative length.

Zexun Lin, Yuan Feng, Junlin Lv et al. · 0 citations