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Wenzheng Xu

3 accepted papers

2026

Rejoining Precious Artifacts: Efficiently Bone Stick Rejoining Based Massive Fragment Images by Contour, Script, and Texture

AAAI 2026technical

Rejoining fragment images of precious artifacts is a meaningful task because complete artifacts could provide valuable clues for the research of human civilization. However, existing rejoining methods face several challenges including time-consuming manual annotation, insufficient rejoining accuracy

Cited by 0Source ↗PDF ↗Scholar ↗
2024

Fewer Steps, Better Performance: Efficient Cross-Modal Clip Trimming for Video Moment Retrieval Using Language

AAAI 2024technical

Given an untrimmed video and a sentence query, video moment retrieval using language (VMR) aims to locate a target query-relevant moment. Since the untrimmed video is overlong, almost all existing VMR methods first sparsely down-sample each untrimmed video into multiple fixed-length video clips and…

Cited by 19Source ↗PDF ↗Scholar ↗
2022

Rethinking the Video Sampling and Reasoning Strategies for Temporal Sentence Grounding

EMNLP 2022finding

Temporal sentence grounding (TSG) aims to identify the temporal boundary of a specific segment from an untrimmed video by a sentence query. All existing works first utilize a sparse sampling strategy to extract a fixed number of video frames and then interact them with query for reasoning.However, w…

Cited by 22Source ↗PDF ↗Scholar ↗