Lingxue Song — accepted AI-conference papers

2025

LongVPO: From Anchored Cues to Self-Reasoning for Long-Form Video Preference Optimization

Zhenpeng Huang, Jiaqi Li, Zihan Jia, Xinhao Li, Desen Meng, Lingxue Song +3

NeurIPS 2025poster

We present LongVPO, a novel two‑stage Direct Preference Optimization framework that enables short‑context vision‑language models to robustly understand ultra‑long videos without any long‑video annotations. In Stage 1, we synthesize preference triples by anchoring questions to individual short clips,…

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2019

Occlusion Robust Face Recognition Based on Mask Learning With Pairwise Differential Siamese Network

Lingxue Song, Dihong Gong, Zhifeng Li, Changsong Liu, Wei Liu

ICCV 2019poster

Deep Convolutional Neural Networks (CNNs) have been pushing the frontier of face recognition over past years. However, existing CNN models are far less accurate when handling partially occluded faces. These general face models generalize poorly for occlusions on variable facial areas. Inspired by th…

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