Author

Chang-Bai Li

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Preprint Sep 2026

EffGS: Efficient and High-Fidelity Gaussian Splatting

3D Gaussian Splatting (3DGS) enables real-time novel view synthesis, but existing general-purpose acceleration methods suffer severe rendering quality degradation when extended to more complex, large-scale scenes. To address this issue, we propose EffGS, a more general acceleration framework that improves training and...

Chang-Bai Li, Shuo Yang, Yi-Chen Yang et al. · 0 citations

#machine learning Preprint Sep 2026

GleanVID: Complementary Token Selection for Efficient Video Large Language Models

Video Large Language Models (VideoLLMs) have achieved strong video understanding capabilities but incur substantial inference overhead due to the large number of visual tokens. Existing VideoLLM token compression methods largely rely on selection-independent scoring, overlooking cross-frame complementarity and conseque...

Shuo Yang, Chang-Bai Li, Rui Tang et al. · 0 citations

#machine learning Preprint Sep 2026

GraphHCA: Closed-Form Hindsight Credit Assignment for Long-Horizon LLM Agents

Group-based reinforcement learning (RL) has advanced large language models (LLMs) and is increasingly extending to agentic tasks, where sparse terminal rewards make step-level credit assignment essential. Existing methods assign credit from what follows an action in sampled rollouts, but do not explicitly capture its r...

Hao-Dong Zhu, Yang-Yang Ren, Chang-Bai Li et al. · 0 citations