Author

Qing-Yu Mao

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Preprint Sep 2026

DA-Lion: Efficient Neural Video Representation via Direction-Aware Optimization

Direction-Aware Lion (DA-Lion), a task-driven optimizer tailored for NVR, introduces a direction-consistency criterion that switches between sign update and momentum update based on gradient--momentum alignment, and a learning-rate-aware magnitude modulation that stabilizes effective step sizes across training phases.

Qing-Yu Mao, Jia-Cong Chen, Shuai Liu et al. · 0 citations

Open access Aug 2026

A Generalized Slimmable INR Framework for Scalable Video Coding

A Generalized Slimmable Framework is proposed that replaces standard layers with width-configurable counterparts in most INR decoders, letting a single checkpoint serve multiple bitrates through nested weight tensors without topology changes.

Qing-Yu Mao, Jia-Cong Chen, Shuai Liu et al. · Electronics · 0 citations