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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

Question answering over visually rich documents (VRDs) requires reasoning not only over isolated content but also over documents' structural organization and cross-page dependencies. However, conventional retrieval-augmented generation…

Computation and Language · Computer Science 2026-03-03 Zhivar Sourati , Zheng Wang , Marianne Menglin Liu , Yazhe Hu , Mengqing Guo , Sujeeth Bharadwaj , Kyu Han , Tao Sheng , Sujith Ravi , Morteza Dehghani , Dan Roth

Extracting information from documents usually relies on natural language processing methods working on one-dimensional sequences of text. In some cases, for example, for the extraction of key information from semi-structured documents, such…

Computation and Language · Computer Science 2021-06-29 Oliver Bensch , Mirela Popa , Constantin Spille

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

We present an end-to-end, multimodal, fully convolutional network for extracting semantic structures from document images. We consider document semantic structure extraction as a pixel-wise segmentation task, and propose a unified model…

Computer Vision and Pattern Recognition · Computer Science 2017-06-09 Xiao Yang , Ersin Yumer , Paul Asente , Mike Kraley , Daniel Kifer , C. Lee Giles

Efficient and accurate extraction of electrical parameters from circuit datasheets and design documents is critical for accelerating circuit design in Electronic Design Automation (EDA). Traditional workflows often rely on engineers…

Hardware Architecture · Computer Science 2024-12-10 Hong Cai Chen , Longchang Wu , Ming Gao , Lingrui Shen , Jiarui Zhong , Yipin Xu

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

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).…

Recent advancements in the area of Computer Vision with state-of-art Neural Networks has given a boost to Optical Character Recognition (OCR) accuracies. However, extracting characters/text alone is often insufficient for relevant…

Computer Vision and Pattern Recognition · Computer Science 2018-12-17 Vishwanath D , Rohit Rahul , Gunjan Sehgal , Swati , Arindam Chowdhury , Monika Sharma , Lovekesh Vig , Gautam Shroff , Ashwin Srinivasan

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

With the increasing adoption of Large Language Models (LLMs) and Vision-Language Models (VLMs), rich document analysis technologies for applications like Retrieval-Augmented Generation (RAG) and visual RAG are gaining significant attention.…

Artificial Intelligence · Computer Science 2026-02-16 Nobuhiro Ueda , Yuyang Dong , Krisztián Boros , Daiki Ito , Takuya Sera , Masafumi Oyamada

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

Accurate extraction of key information from 2D engineering drawings is crucial for high-precision manufacturing. Manual extraction is slow and labor-intensive, while traditional Optical Character Recognition (OCR) techniques often struggle…

Computer Vision and Pattern Recognition · Computer Science 2025-09-04 Muhammad Tayyab Khan , Zane Yong , Lequn Chen , Jun Ming Tan , Wenhe Feng , Seung Ki Moon

In this paper, we introduce RAVID, the first framework for AI-generated image detection that leverages visual retrieval-augmented generation (RAG). While RAG methods have shown promise in mitigating factual inaccuracies in foundation…

Computer Vision and Pattern Recognition · Computer Science 2025-08-07 Mamadou Keita , Wassim Hamidouche , Hessen Bougueffa Eutamene , Abdelmalik Taleb-Ahmed , Abdenour Hadid

Table extraction from PDF and image documents is a ubiquitous task in the real-world. Perfect extraction quality is difficult to achieve with one single out-of-box model due to (1) the wide variety of table styles, (2) the lack of training…

Human-Computer Interaction · Computer Science 2021-02-18 Nancy Xin Ru Wang , Douglas Burdick , Yunyao Li

The document layout analysis (DLA) aims to decompose document images into high-level semantic areas (i.e., figures, tables, texts, and background). Creating a DLA framework with strong generalization capabilities is a challenge due to…

Computer Vision and Pattern Recognition · Computer Science 2024-07-24 Xingjiao Wu , Luwei Xiao , Xiangcheng Du , Yingbin Zheng , Xin Li , Tianlong Ma , Cheng Jin , Liang He

Documents are central to many business systems, and include forms, reports, contracts, invoices or purchase orders. The information in documents is typically in natural language, but can be organized in various layouts and formats. There…

Information Retrieval · Computer Science 2021-10-08 Sumit Shekhar , Bhanu Prakash Reddy Guda , Ashutosh Chaubey , Ishan Jindal , Avneet Jain

Accurately extracting structured content from PDFs is a critical first step for NLP over scientific papers. Recent work has improved extraction accuracy by incorporating elementary layout information, e.g., each token's 2D position on the…

Computation and Language · Computer Science 2022-01-06 Zejiang Shen , Kyle Lo , Lucy Lu Wang , Bailey Kuehl , Daniel S. Weld , Doug Downey

Document Visual Question Answering (Document VQA) must cope with documents that span dozens of pages, yet leading systems still concatenate every page or rely on very large vision-language models, both of which are memory-hungry.…

Computer Vision and Pattern Recognition · Computer Science 2025-08-29 Eric López , Artemis Llabrés , Ernest Valveny

In recent years, the use of multi-modal pre-trained Transformers has led to significant advancements in visually-rich document understanding. However, existing models have mainly focused on features such as text and vision while neglecting…

Computation and Language · Computer Science 2023-08-16 Qiwei Li , Zuchao Li , Xiantao Cai , Bo Du , Hai Zhao
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