Author

Yu-Jie Sun

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Preprint Aug 2026

ECHO: Dyadic 3D Facial Motion Generation with Asymmetric Deterministic Articulation and Stochastic Reaction

We propose ECHO for dyadic 3D facial motion generation under a strict dual-stream audio-only setting, formulating the problem as an asymmetric task involving speech-constrained articulation and one-to-many listener reactions. To address this asymmetry, ECHO decomposes motion into a deterministic anchor that captures st...

Zhuo-Qiang Cai, Yu-Jie Sun, Chao-Yue Niu et al. · 0 citations

#artificial intelligence Preprint Sep 2026

Dynamic Flow, Static Graph: KV Cache Reuse for Efficient LLM Serving on Mobile NPUs

This work proposes an intra-graph mechanism that maps selective KV recomputation onto static NPU graphs, reconciling algorithmic dynamicity with NPU staticity, and develops an inter-graph scheduler to optimize chunk merging and minimize padding with dynamic programming.

Zheng-Xiang Huang, Sheng-Heng Chen, Chao-Yue Niu et al. · 0 citations