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Document layout analysis is a critical preprocessing step in document intelligence, enabling the detection and localization of structural elements such as titles, text blocks, tables, and formulas. Despite its importance, existing layout…

计算机视觉与模式识别 · 计算机科学 2025-03-24 Ting Sun , Cheng Cui , Yuning Du , Yi Liu

Document Understanding is a foundational AI capability with broad applications, and Document Question Answering (DocQA) is a key evaluation task. Traditional methods convert the document into text for processing by Large Language Models…

计算与语言 · 计算机科学 2025-09-10 Xixi Wu , Yanchao Tan , Nan Hou , Ruiyang Zhang , Hong Cheng

Capturing the compositional process which maps the meaning of words to that of documents is a central challenge for researchers in Natural Language Processing and Information Retrieval. We introduce a model that is able to represent the…

计算与语言 · 计算机科学 2014-06-17 Misha Denil , Alban Demiraj , Nal Kalchbrenner , Phil Blunsom , Nando de Freitas

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…

计算与语言 · 计算机科学 2026-02-03 Jacob Si , Mike Qu , Michelle Lee , Marek Rei , Yingzhen Li

While many NLP pipelines assume raw, clean texts, many texts we encounter in the wild, including a vast majority of legal documents, are not so clean, with many of them being visually structured documents (VSDs) such as PDFs. Conventional…

计算与语言 · 计算机科学 2021-11-09 Yuta Koreeda , Christopher D. Manning

Prior study shows that pre-training techniques can boost the performance of visual document understanding (VDU), which typically requires models to gain abilities to perceive and reason both document texts and layouts (e.g., locations of…

计算与语言 · 计算机科学 2024-03-28 Zhiming Mao , Haoli Bai , Lu Hou , Jiansheng Wei , Xin Jiang , Qun Liu , Kam-Fai Wong

Efficient and accurate extraction of key information from 2D engineering drawings is essential for advancing digital manufacturing workflows. Such information includes geometric dimensioning and tolerancing (GD&T), measures, material…

计算机视觉与模式识别 · 计算机科学 2025-09-30 Muhammad Tayyab Khan , Lequn Chen , Zane Yong , Jun Ming Tan , Wenhe Feng , Seung Ki Moon

Recognizing the layout of unstructured digital documents is crucial when parsing the documents into the structured, machine-readable format for downstream applications. Recent studies in Document Layout Analysis usually rely on computer…

计算机视觉与模式识别 · 计算机科学 2022-09-20 Siwen Luo , Yihao Ding , Siqu Long , Josiah Poon , Soyeon Caren Han

PDF documents contain critical visual elements such as figures, tables, and forms whose accurate extraction is essential for document understanding and multimodal retrieval-augmented generation (RAG). Existing PDF parsers often miss complex…

计算机视觉与模式识别 · 计算机科学 2026-04-28 Meizhu Liu , Yassi Abbasi , Matthew Rowe , Michael Avendi , Paul Li

Recent years have witnessed a rapid growth of deep-network based services and applications. A practical and critical problem thus has emerged: how to effectively deploy the deep neural network models such that they can be executed…

分布式、并行与集群计算 · 计算机科学 2019-03-05 Hongshan Li , Chenghao Hu , Jingyan Jiang , Zhi Wang , Yonggang Wen , Wenwu Zhu

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…

计算与语言 · 计算机科学 2025-04-15 Ryota Tanaka , Taichi Iki , Taku Hasegawa , Kyosuke Nishida , Kuniko Saito , Jun Suzuki

Convolutional neural networks (CNNs) are increasingly being used in critical systems, where robustness and alignment are crucial. In this context, the field of explainable artificial intelligence has proposed the generation of high-level…

计算机视觉与模式识别 · 计算机科学 2023-08-14 Andres Felipe Posada-Moreno , Nikita Surya , Sebastian Trimpe

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…

计算机视觉与模式识别 · 计算机科学 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

Extracting structured data from HTML documents is a long-studied problem with a broad range of applications like augmenting knowledge bases, supporting faceted search, and providing domain-specific experiences for key verticals like…

计算与语言 · 计算机科学 2020-10-22 Bill Yuchen Lin , Ying Sheng , Nguyen Vo , Sandeep Tata

Document Understanding is an evolving field in Natural Language Processing (NLP). In particular, visual and spatial features are essential in addition to the raw text itself and hence, several multimodal models were developed in the field…

计算与语言 · 计算机科学 2024-04-18 Wiam Adnan , Joel Tang , Yassine Bel Khayat Zouggari , Seif Edinne Laatiri , Laurent Lam , Fabien Caspani

This paper presents Youtu-Parsing, an efficient and versatile document parsing model designed for high-performance content extraction. The architecture employs a native Vision Transformer (ViT) featuring a dynamic-resolution visual encoder…

With the rapid advancement of tool-use capabilities in Large Language Models (LLMs), Retrieval-Augmented Generation (RAG) is shifting from static, one-shot retrieval toward autonomous, multi-turn evidence acquisition. However, existing…

人工智能 · 计算机科学 2026-02-13 Zhanli Li , Huiwen Tian , Lvzhou Luo , Yixuan Cao , Ping Luo

Visual document retrieval aims to retrieve a set of document pages relevant to a query from visually rich collections. Existing methods often employ Vision-Language Models (VLMs) to encode queries and visual pages into a shared embedding…

信息检索 · 计算机科学 2026-04-10 Hao Yang , Yifan Ji , Zhipeng Xu , Zhenghao Liu , Yukun Yan , Zulong Chen , Shuo Wang , Yu Gu , Ge Yu

Precise, object-aware control over visual content is essential for advanced image editing and compositional generation. Yet, most existing approaches operate on entire images holistically, limiting the ability to isolate and manipulate…

计算机视觉与模式识别 · 计算机科学 2026-02-24 Fangyi Chen , Yaojie Shen , Lu Xu , Ye Yuan , Shu Zhang , Yulei Niu , Longyin Wen

In this paper, we consider a different data format for images: vector graphics. In contrast to raster graphics which are widely used in image recognition, vector graphics can be scaled up or down into any resolution without aliasing or…

计算机视觉与模式识别 · 计算机科学 2021-12-28 Xinyang Jiang , Lu Liu , Caihua Shan , Yifei Shen , Xuanyi Dong , Dongsheng Li