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Reading order detection is the foundation of document understanding. Most existing methods rely on uniform supervision, implicitly assuming a constant difficulty distribution across layout regions. In this work, we challenge this assumption…

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

Document Layout Parsing serves as a critical gateway for Artificial Intelligence (AI) to access and interpret the world's vast stores of structured knowledge. This process,which encompasses layout detection, text recognition, and relational…

Computer Vision and Pattern Recognition · Computer Science 2025-12-18 Yumeng Li , Guang Yang , Hao Liu , Bowen Wang , Colin Zhang

Document layout understanding is a field of study that analyzes the spatial arrangement of information in a document hoping to understand its structure and layout. Models such as LayoutLM (and its subsequent iterations) can understand…

Computation and Language · Computer Science 2025-01-13 Pablo Melendez , Clemens Havas

Document parsing has garnered widespread attention as vision-language models (VLMs) advance OCR capabilities. However, the field remains fragmented across dozens of specialized models with varying strengths, forcing users to navigate…

Computer Vision and Pattern Recognition · Computer Science 2026-02-06 Hao Feng , Wei Shi , Ke Zhang , Xiang Fei , Lei Liao , Dingkang Yang , Yongkun Du , Xuecheng Wu , Jingqun Tang , Yang Liu , Hong Chen , Can Huang

The current digital environment is characterized by the widespread presence of data, particularly unstructured data, which poses many issues in sectors including finance, healthcare, and education. Conventional techniques for data…

Computer Vision and Pattern Recognition · Computer Science 2023-10-02 Herman Sugiharto , Yorissa Silviana , Yani Siti Nurpazrin

Deep Research systems have revolutionized how LLMs solve complex questions through iterative reasoning and evidence gathering. However, current systems remain fundamentally constrained to textual web data, overlooking the vast knowledge…

Information Retrieval · Computer Science 2025-10-27 Kuicai Dong , Shurui Huang , Fangda Ye , Wei Han , Zhi Zhang , Dexun Li , Wenjun Li , Qu Yang , Gang Wang , Yichao Wang , Chen Zhang , Yong Liu

Recent years have witnessed the rise and success of pre-training techniques in visually-rich document understanding. However, most existing methods lack the systematic mining and utilization of layout-centered knowledge, leading to…

Computation and Language · Computer Science 2022-10-17 Qiming Peng , Yinxu Pan , Wenjin Wang , Bin Luo , Zhenyu Zhang , Zhengjie Huang , Teng Hu , Weichong Yin , Yongfeng Chen , Yin Zhang , Shikun Feng , Yu Sun , Hao Tian , Hua Wu , Haifeng Wang

Document parsing from scanned images into structured formats remains a significant challenge due to its complexly intertwined elements such as text paragraphs, figures, formulas, and tables. Existing supervised fine-tuning methods often…

Computation and Language · Computer Science 2025-10-21 Baode Wang , Biao Wu , Weizhen Li , Meng Fang , Zuming Huang , Jun Huang , Haozhe Wang , Yanjie Liang , Ling Chen , Wei Chu , Yuan Qi

Since their release, Transformers have revolutionized many fields from Natural Language Understanding to Computer Vision. Document Understanding (DU) was not left behind with first Transformer based models for DU dating from late 2019.…

Computation and Language · Computer Science 2023-09-12 Thibault Douzon , Stefan Duffner , Christophe Garcia , Jérémy Espinas

Document Layout Analysis (DLA) is crucial for document artificial intelligence and has recently received increasing attention, resulting in an influx of large-scale public DLA datasets. Existing work often combines data from various domains…

Computer Vision and Pattern Recognition · Computer Science 2026-03-11 Zirui Zhang , Yaping Zhang , Lu Xiang , Yang Zhao , Feifei Zhai , Yu Zhou , Chengqing Zong

Document parsing converts visually rich documents into machine-readable structured representations, forming a crucial foundation for information systems. Although many benchmarks have been proposed for document parsing, they remain…

Artificial Intelligence · Computer Science 2026-05-29 Bangbang Zhou , Hangdi Xing , Yifan Chen , Jianjun Xu , Qi Zheng , Feiyu Gao , Zhibo Yang , Shuai Bai , Ming Yan , Jieping Ye , Hongtao Xie

This paper introduces a deep learning model tailored for document information analysis, emphasizing document classification, entity relation extraction, and document visual question answering. The proposed model leverages transformer-based…

Computer Vision and Pattern Recognition · Computer Science 2023-10-26 Tofik Ali , Partha Pratim Roy

Document layout analysis (DLA) is crucial for understanding the physical layout and logical structure of documents, serving information retrieval, document summarization, knowledge extraction, etc. However, previous studies have typically…

Computer Vision and Pattern Recognition · Computer Science 2024-05-21 Jiawei Wang , Kai Hu , Qiang Huo

Document layout analysis is a known problem to the documents research community and has been vastly explored yielding a multitude of solutions ranging from text mining, and recognition to graph-based representation, visual feature…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Subhajit Maity , Sanket Biswas , Siladittya Manna , Ayan Banerjee , Josep Lladós , Saumik Bhattacharya , Umapada Pal

Document parsing, as a fundamental yet crucial vision task, is being revolutionized by vision-language models (VLMs). However, the autoregressive (AR) decoding inherent to VLMs creates a significant bottleneck, severely limiting parsing…

Computation and Language · Computer Science 2026-03-17 Lei Li , Ze Zhao , Meng Li , Zhongwang Lun , Yi Yuan , Xingjing Lu , Zheng Wei , Jiang Bian , Zang Li

In this paper, we introduce WeLayout, a novel system for segmenting the layout of corporate documents, which stands for WeChat Layout Analysis System. Our approach utilizes a sophisticated ensemble of DINO and YOLO models, specifically…

Computer Vision and Pattern Recognition · Computer Science 2023-05-12 Mingliang Zhang , Zhen Cao , Juntao Liu , Liqiang Niu , Fandong Meng , Jie Zhou

The proliferation of complex structured data in hybrid sources, such as PDF documents and web pages, presents unique challenges for current Large Language Models (LLMs) and Multi-modal Large Language Models (MLLMs) in providing accurate…

Information Retrieval · Computer Science 2025-08-22 Shivani Upadhyay , Messiah Ataey , Syed Shariyar Murtaza , Yifan Nie , Jimmy Lin

Transforming documents into machine-processable representations is a challenging task due to their complex structures and variability in formats. Recovering the layout structure and content from PDF files or scanned material has remained a…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Christoph Auer , Ahmed Nassar , Maksym Lysak , Michele Dolfi , Nikolaos Livathinos , Peter Staar

Existing OCR engines or document image analysis systems typically rely on training separate models for text detection in varying scenarios and granularities, leading to significant computational complexity and resource demands. In this…

Computer Vision and Pattern Recognition · Computer Science 2024-05-31 Xingyu Wan , Chengquan Zhang , Pengyuan Lyu , Sen Fan , Zihan Ni , Kun Yao , Errui Ding , Jingdong Wang

Document parsing (DP) transforms unstructured or semi-structured documents into structured, machine-readable representations, enabling downstream applications such as knowledge base construction and retrieval-augmented generation (RAG).…