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Structure information is critical for understanding the semantics of text-rich images, such as documents, tables, and charts. Existing Multimodal Large Language Models (MLLMs) for Visual Document Understanding are equipped with text…

Computer Vision and Pattern Recognition · Computer Science 2024-03-20 Anwen Hu , Haiyang Xu , Jiabo Ye , Ming Yan , Liang Zhang , Bo Zhang , Chen Li , Ji Zhang , Qin Jin , Fei Huang , Jingren Zhou

Multimodal document retrieval aims to identify and retrieve various forms of multimodal content, such as figures, tables, charts, and layout information from extensive documents. Despite its increasing popularity, there is a notable lack of…

Information Retrieval · Computer Science 2025-11-10 Kuicai Dong , Yujing Chang , Xin Deik Goh , Dexun Li , Ruiming Tang , Yong Liu

Understanding documents with rich layouts and multi-modal components is a long-standing and practical task. Recent Large Vision-Language Models (LVLMs) have made remarkable strides in various tasks, particularly in single-page document…

Computer Vision and Pattern Recognition · Computer Science 2024-11-13 Yubo Ma , Yuhang Zang , Liangyu Chen , Meiqi Chen , Yizhu Jiao , Xinze Li , Xinyuan Lu , Ziyu Liu , Yan Ma , Xiaoyi Dong , Pan Zhang , Liangming Pan , Yu-Gang Jiang , Jiaqi Wang , Yixin Cao , Aixin Sun

In this thesis, we study multiple tasks related to document layout analysis such as the detection of text lines, the splitting into acts or the detection of the writing support. Thus, we propose two deep neural models following two…

Computer Vision and Pattern Recognition · Computer Science 2023-01-30 Mélodie Boillet

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

Layout is a fundamental component of any graphic design. Creating large varieties of plausible document layouts can be a tedious task, requiring numerous constraints to be satisfied, including local ones relating different semantic elements…

Computer Vision and Pattern Recognition · Computer Science 2020-04-20 Akshay Gadi Patil , Omri Ben-Eliezer , Or Perel , Hadar Averbuch-Elor

Text-rich document understanding (TDU) requires comprehensive analysis of documents containing substantial textual content and complex layouts. While Multimodal Large Language Models (MLLMs) have achieved fast progress in this domain,…

Computer Vision and Pattern Recognition · Computer Science 2025-03-20 Wenhui Liao , Jiapeng Wang , Hongliang Li , Chengyu Wang , Jun Huang , Lianwen Jin

Document layout analysis (DLA) is the task of detecting the distinct, semantic content within a document and correctly classifying these items into an appropriate category (e.g., text, title, figure). DLA pipelines enable users to convert…

Machine Learning · Computer Science 2023-08-07 Jilin Wang , Michael Krumdick , Baojia Tong , Hamima Halim , Maxim Sokolov , Vadym Barda , Delphine Vendryes , Chris Tanner

Pre-training techniques have been verified successfully in a variety of NLP tasks in recent years. Despite the widespread use of pre-training models for NLP applications, they almost exclusively focus on text-level manipulation, while…

Computation and Language · Computer Science 2020-06-17 Yiheng Xu , Minghao Li , Lei Cui , Shaohan Huang , Furu Wei , Ming Zhou

This report introduces PP-DocBee2, an advanced version of the PP-DocBee, designed to enhance multimodal document understanding. Built on a large multimodal model architecture, PP-DocBee2 addresses the limitations of its predecessor through…

Computer Vision and Pattern Recognition · Computer Science 2025-06-26 Kui Huang , Xinrong Chen , Wenyu Lv , Jincheng Liao , Guanzhong Wang , Yi Liu

Multimodel Large Language Models(MLLMs) have achieved promising OCR-free Document Understanding performance by increasing the supported resolution of document images. However, this comes at the cost of generating thousands of visual tokens…

Computer Vision and Pattern Recognition · Computer Science 2024-09-10 Anwen Hu , Haiyang Xu , Liang Zhang , Jiabo Ye , Ming Yan , Ji Zhang , Qin Jin , Fei Huang , Jingren Zhou

Deep learning-based approaches for automatic document layout analysis and content extraction have the potential to unlock rich information trapped in historical documents on a large scale. One major hurdle is the lack of large datasets for…

Computer Vision and Pattern Recognition · Computer Science 2020-04-21 Zejiang Shen , Kaixuan Zhang , Melissa Dell

Documents often contain complex physical structures, which make the Document Layout Analysis (DLA) task challenging. As a pre-processing step for content extraction, DLA has the potential to capture rich information in historical or…

Information Retrieval · Computer Science 2021-08-31 Shoubin Li , Xuyan Ma , Shuaiqun Pan , Jun Hu , Lin Shi , Qing Wang

Superior to state-of-the-art approaches which compete in table recognition with 67 annotated government reports in PDF format released by {\it ICDAR 2013 Table Competition}, this paper contributes a novel paradigm leveraging large-scale…

Computer Vision and Pattern Recognition · Computer Science 2015-09-23 Miao Fan , Doo Soon Kim

We introduce Probe Pruning (PP), a novel framework for online, dynamic, structured pruning of Large Language Models (LLMs) applied in a batch-wise manner. PP leverages the insight that not all samples and tokens contribute equally to the…

Computation and Language · Computer Science 2025-02-24 Qi Le , Enmao Diao , Ziyan Wang , Xinran Wang , Jie Ding , Li Yang , Ali Anwar

We present an approach for adapting convolutional neural networks for object recognition and classification to scientific literature layout detection (SLLD), a shared subtask of several information extraction problems. Scientific…

Computer Vision and Pattern Recognition · Computer Science 2020-10-23 Huichen Yang , William H. Hsu

Document understanding with multimodal large language models (MLLMs) requires not only accurate answers but also explicit, evidence-grounded reasoning, especially in high-stakes scenarios. However, current document MLLMs still fall short of…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Yuchuan Wu , Minghan Zhuo , Teng Fu , Mengyang Zhao , Bin Li , Xiangyang Xue

When reading a document, glancing at the spatial layout of a document is an initial step to understand it roughly. Traditional document layout analysis (DLA) methods, however, offer only a superficial parsing of documents, focusing on basic…

Computer Vision and Pattern Recognition · Computer Science 2025-02-05 Yufan Chen , Ruiping Liu , Junwei Zheng , Di Wen , Kunyu Peng , Jiaming Zhang , Rainer Stiefelhagen

Large Vision-Language Models (LVLMs) have demonstrated strong multimodal reasoning capabilities on long and complex documents. However, their high memory footprint makes them impractical for deployment on resource-constrained edge devices.…

Computer Vision and Pattern Recognition · Computer Science 2025-11-24 Tanveer Hannan , Dimitrios Mallios , Parth Pathak , Faegheh Sardari , Thomas Seidl , Gedas Bertasius , Mohsen Fayyaz , Sunando Sengupta

Document layout analysis aims to detect and categorize structural elements (e.g., titles, tables, figures) in scanned or digital documents. Popular methods often rely on high-quality Optical Character Recognition (OCR) to merge visual…

Computer Vision and Pattern Recognition · Computer Science 2026-01-13 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