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Jiayu Chen

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Preprint Aug 2026

EchoCache: Energy-Guided Cross-Modal Caching for Efficient Audio-Driven Video Generation

EchoCache is proposed, an energy-guided cross-modal caching framework for efficient A2V generation that leverages audio time-frequency energy as a saliency anchor to guide latent-level cache updates and further introduces a dynamic timestep-latent caching mechanism with quantized cache management for joint efficiency a...

Jiayu Chen, Xiaoyu Wu, Rongshan Gao et al. · 0 citations
Preprint Aug 2026

Token Radius Attention for Efficient Video Generation

This work proposes Token Radius Attention (TRA), a training-free framework that maps query entropy to an analytic token budget and converts it into a temporally decayed radius without explicit key ranking and achieves 1.05x speedup with competitive generation quality.

Jia-Yu Chen, Zhi-Kun Jiang, Mao-Liang Li et al. · 0 citations

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