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yongping xiong

6 accepted papers

2025

MLVU: Benchmarking Multi-task Long Video Understanding

CVPR 2025poster

The evaluation of Long Video Understanding (LVU) performance poses an important but challenging research problem. Despite previous efforts, the existing video understanding benchmarks are severely constrained by several issues, especially the insufficient lengths of videos, a lack of diversity in vi…

2025

MegaPairs: Massive Data Synthesis for Universal Multimodal Retrieval

ACL 2025long

Despite the rapidly growing demand for multimodal retrieval, progress in this field remains severely constrained by a lack of training data. In this paper, we introduce MegaPairs, a novel data synthesis method that leverages vision language models (VLMs) and open-domain images, together with a massi…

2024

LayoutPointer: A Spatial-Context Adaptive Pointer Network for Visual Information Extraction

NAACL 2024long

Visual Information Extraction (VIE), as a crucial task of Document Intelligence, involves two primary sub-tasks: Semantic Entity Recognition (SER) and Relation Extraction (RE). However, VIE faces two significant challenges. Firstly, most existing models inadequately utilize spatial information of en…

2024

VISTA: Visualized Text Embedding For Universal Multi-Modal Retrieval

ACL 2024long

Multi-modal retrieval becomes increasingly popular in practice. However, the existing retrievers are mostly text-oriented, which lack the capability to process visual information. Despite the presence of vision-language models like CLIP, the current methods are severely limited in representing the t…