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Zhi-Qiang Lao

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#artificial intelligence Preprint Sep 2026

LEAP: Learned Block-wise Evidence Retrieval for Long Audio-Video Perception

Hour-scale audio-visual question answering is constrained by a context dilemma: dense whole-recording encoding rapidly exhausts context limits, whereas uniform temporal compression severely dilutes fine-grained acoustic and visual evidence. We introduce LEAP, a framework where the model retrieves its own evidence witho...

Ju-Yi Lin, Zhi-Qiang Lao, Jia-Li Cui et al. · 0 citations

Preprint Aug 2026

ChordVideo: One-Step, Training-Free, Temporally Consistent Video Editing via Low-Energy Transport

A warping-error bound is derived that separates motion bias from stochastic flicker and predicts diminishing returns with larger temporal windows, and ChordVideo achieves competitive temporal consistency and source preservation using 10--60 model steps per clip.

Zhi-Qiang Lao · 0 citations