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Vision-and-Language (V+L) pre-training models have achieved tremendous success in recent years on various multi-modal benchmarks. However, the majority of existing models require pre-training on a large set of parallel image-text data,…

Computer Vision and Pattern Recognition · Computer Science 2022-03-02 Mingyang Zhou , Licheng Yu , Amanpreet Singh , Mengjiao Wang , Zhou Yu , Ning Zhang

Image-text retrieval, as a fundamental and important branch of information retrieval, has attracted extensive research attentions. The main challenge of this task is cross-modal semantic understanding and matching. Some recent works focus…

Computer Vision and Pattern Recognition · Computer Science 2023-04-24 Weijing Chen , Linli Yao , Qin Jin

Incorporating external knowledge bases in traditional retrieval-augmented generation (RAG) relies on parsing the document, followed by querying a language model with the parsed information via in-context learning. While effective for…

Computation and Language · Computer Science 2026-02-03 Jacob Si , Mike Qu , Michelle Lee , Marek Rei , Yingzhen Li

Token pruning has emerged as a mainstream approach for developing efficient Video Large Language Models (Video LLMs). This work revisits and advances the two predominant token-pruning paradigms: attention-based selection and…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Shukang Yin , Sirui Zhao , Hanchao Wang , Baozhi Jia , Xianquan Wang , Chaoyou Fu , Enhong Chen

Vision-language foundation models, represented by Contrastive Language-Image Pre-training (CLIP), have gained increasing attention for jointly understanding both vision and textual tasks. However, existing approaches primarily focus on…

Computer Vision and Pattern Recognition · Computer Science 2024-10-30 Bowen Shi , Peisen Zhao , Zichen Wang , Yuhang Zhang , Yaoming Wang , Jin Li , Wenrui Dai , Junni Zou , Hongkai Xiong , Qi Tian , Xiaopeng Zhang

As conference submission volumes continue to grow, accurately recommending suitable reviewers has become a challenge. Most existing methods follow a ``Paper-to-Paper'' matching paradigm, implicitly representing a reviewer by their…

Information Retrieval · Computer Science 2026-04-08 Yicheng Pan , Zhiyuan Ning , Ludi Wang , Yi Du

Financial documents--such as 10-Ks, 10-Qs, and investor presentations--span hundreds of pages and combine diverse modalities, including dense narrative text, structured tables, and complex figures. Answering questions over such content…

Computation and Language · Computer Science 2026-04-13 Chinmay Gondhalekar , Urjitkumar Patel , Fang-Chun Yeh

Artificial intelligence will be one of the key pillars of the next generation of mobile networks (6G), as it is expected to provide novel added-value services and improve network performance. In this context, large language models have the…

Information Retrieval · Computer Science 2025-12-03 Andrei-Laurentiu Bornea , Fadhel Ayed , Antonio De Domenico , Nicola Piovesan , Tareq Si Salem , Ali Maatouk

Vision-Language Models (VLMs) have shown strong promise on Optical Character Recognition (OCR), yet the sheer number of visual tokens required to encode dense documents incurs prohibitive inference cost. Existing pruning methods rely on…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Zihan Tang , Leqi Shen , Hui Chen , Ao Wang , Ben Wan , Yan Feng , Ke Zhang , Sicheng Zhao , Tongxuan Liu , Guiguang Ding

We aim to develop a retrieval-augmented generation (RAG) framework that answers questions over a corpus of visually-rich documents presented in mixed modalities (e.g., charts, tables) and diverse formats (e.g., PDF, PPTX). In this paper, we…

Computation and Language · Computer Science 2025-04-15 Ryota Tanaka , Taichi Iki , Taku Hasegawa , Kyosuke Nishida , Kuniko Saito , Jun Suzuki

Rerankers play a pivotal role in refining retrieval results for Retrieval-Augmented Generation. However, current reranking models are typically optimized on static human annotated relevance labels in isolation, decoupled from the downstream…

Computation and Language · Computer Science 2026-04-03 Yuhang Wu , Xiangqing Shen , Fanfan Wang , Cangqi Zhou , Zhen Wu , Xinyu Dai , Rui Xia

The automated generation of research workflows is essential for improving the reproducibility of research and accelerating the paradigm of "AI for Science". However, existing methods typically extract merely fragmented procedural components…

Computation and Language · Computer Science 2025-09-24 Heng Zhang , Chengzhi Zhang

This technical report introduces Uni-Parser, an industrial-grade document parsing engine tailored for scientific literature and patents, delivering high throughput, robust accuracy, and cost efficiency. Unlike pipeline-based document…

Computer Vision and Pattern Recognition · Computer Science 2026-03-16 Xi Fang , Haoyi Tao , Shuwen Yang , Chaozheng Huang , Suyang Zhong , Haocheng Lu , Han Lyu , Junjie Wang , Xinyu Li , Linfeng Zhang , Guolin Ke

Structured documents--tables paired with captions, figures with explanations, equations with the paragraphs that interpret them--are routinely fragmented when indexed for retrieval. Element-level indexing treats every parsed element as an…

Information Retrieval · Computer Science 2026-04-02 Yeonjee Han

Document dewarping, aiming to eliminate geometric deformation in photographed documents to benefit text recognition, has made great progress in recent years but is still far from being solved. While Cartesian coordinates are typically…

Computer Vision and Pattern Recognition · Computer Science 2023-12-14 Weiguang Zhang , Qiufeng Wang , Kaizhu Huang

The recent rapid and tremendous success of deep convolutional neural networks (CNN) on many challenging computer vision tasks largely derives from the accessibility of the well-annotated ImageNet and PASCAL VOC datasets. Nevertheless,…

Computer Vision and Pattern Recognition · Computer Science 2017-12-29 Xiaosong Wang , Le Lu , Hoo-chang Shin , Lauren Kim , Mohammadhadi Bagheri , Isabella Nogues , Jianhua Yao , Ronald M. Summers

Document extraction is an important step before retrieval-augmented generation (RAG), knowledge bases, and downstream generative AI can work. It turns unstructured documents like PDFs and scans into structured text and layout-aware…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Aman Ulla

Most organizational data in this world are stored as documents, and visual retrieval plays a crucial role in unlocking the collective intelligence from all these documents. However, existing benchmarks focus on English-only document…

Computer Vision and Pattern Recognition · Computer Science 2025-08-26 Jian Chen , Ming Li , Jihyung Kil , Chenguang Wang , Tong Yu , Ryan Rossi , Tianyi Zhou , Changyou Chen , Ruiyi Zhang

Accurate document parsing requires both robust content recognition and a stable parser interface. In explicit Document Layout Analysis (DLA) pipelines, downstream parsers do not consume the full detector output. Instead, they operate on a…

Computer Vision and Pattern Recognition · Computer Science 2026-04-06 Fuyuan Liu , Dianyu Yu , He Ren , Nayu Liu , Xiaomian Kang , Delai Qiu , Fa Zhang , Genpeng Zhen , Shengping Liu , Jiaen Liang , Wei Huang , Yining Wang , Junnan Zhu

With recent advances in Multimodal Large Language Models (MLLMs), grounding and referring capabilities have gained increasing attention for achieving detailed understanding and flexible user interaction. However, these capabilities still…

Computer Vision and Pattern Recognition · Computer Science 2025-08-07 Yinan Zhou , Yuxin Chen , Haokun Lin , Yichen Wu , Shuyu Yang , Zhongang Qi , Chen Ma , Li Zhu , Ying Shan