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We propose DocFormerv2, a multi-modal transformer for Visual Document Understanding (VDU). The VDU domain entails understanding documents (beyond mere OCR predictions) e.g., extracting information from a form, VQA for documents and other…

计算机视觉与模式识别 · 计算机科学 2023-06-05 Srikar Appalaraju , Peng Tang , Qi Dong , Nishant Sankaran , Yichu Zhou , R. Manmatha

Document understanding (VRDU) in regulated domains is particularly challenging, since scanned documents often contain sensitive, evolving, and domain specific knowledge. This leads to two major challenges: the lack of manual annotations for…

人工智能 · 计算机科学 2026-01-21 Yihao Ding , Qiang Sun , Puzhen Wu , Sirui Li , Siwen Luo , Wei Liu

Modern LVLMs still struggle to achieve fine-grained document understanding, such as OCR/translation/caption for regions of interest to the user, tasks that require the context of the entire page, or even multiple pages. Accordingly, this…

计算机视觉与模式识别 · 计算机科学 2024-05-24 Chenglong Liu , Haoran Wei , Jinyue Chen , Lingyu Kong , Zheng Ge , Zining Zhu , Liang Zhao , Jianjian Sun , Chunrui Han , Xiangyu Zhang

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…

信息检索 · 计算机科学 2021-08-31 Shoubin Li , Xuyan Ma , Shuaiqun Pan , Jun Hu , Lin Shi , Qing Wang

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.…

计算机视觉与模式识别 · 计算机科学 2025-11-24 Tanveer Hannan , Dimitrios Mallios , Parth Pathak , Faegheh Sardari , Thomas Seidl , Gedas Bertasius , Mohsen Fayyaz , Sunando Sengupta

Engineering drawings are fundamental to manufacturing communication, serving as the primary medium for conveying design intent, tolerances, and production details. However, interpreting complex multi-view drawings with dense annotations…

计算机视觉与模式识别 · 计算机科学 2026-01-26 Muhammad Tayyab Khan , Zane Yong , Lequn Chen , Wenhe Feng , Nicholas Yew Jin Tan , Seung Ki Moon

Enterprise documents such as forms, invoices, receipts, reports, contracts, and other similar records, often carry rich semantics at the intersection of textual and spatial modalities. The visual cues offered by their complex layouts play a…

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

Recent progress in vision-language models (VLMs) has led to impressive results in document understanding tasks, but their high computational demands remain a challenge. To mitigate the compute burdens, we propose a lightweight token pruning…

计算机视觉与模式识别 · 计算机科学 2026-03-05 Jaemin Son , Sujin Choi , Inyong Yun

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

Compared with flatbed scanners, portable smartphones provide more convenience for physical document digitization. However, such digitized documents are often distorted due to uncontrolled physical deformations, camera positions, and…

计算机视觉与模式识别 · 计算机科学 2022-12-27 Hao Feng , Wengang Zhou , Jiajun Deng , Qi Tian , Houqiang Li

Vision-Language Models (VLMs) have demonstrated remarkable performance across a variety of real-world tasks. However, existing VLMs typically process visual information by serializing images, a method that diverges significantly from the…

计算机视觉与模式识别 · 计算机科学 2026-02-10 Yueyan Li , Chenggong Zhao , Zeyuan Zang , Caixia Yuan , Xiaojie Wang

While Vision Language Models (VLMs) have shown promise in Design-to-Code generation, they suffer from a "holistic bottleneck-failing to reconcile high-level structural hierarchy with fine-grained visual details, often resulting in layout…

计算机视觉与模式识别 · 计算机科学 2026-04-03 Xinhao Huang , Jinke Yu , Wenhao Xu , Zeyi Wen , Ying Zhou , Junzhuo Liu , Junhao Ji , Zulong Chen

Financial documents are essential sources of information for regulators, auditors, and financial institutions, particularly for assessing the wealth and compliance of Small and Medium-sized Businesses. However, SMB documents are often…

信息检索 · 计算机科学 2025-10-28 Yichao Jin , Yushuo Wang , Qishuai Zhong , Kent Chiu Jin-Chun , Kenneth Zhu Ke , Donald MacDonald

Recently, the advent of Large Visual-Language Models (LVLMs) has received increasing attention across various domains, particularly in the field of visual document understanding (VDU). Different from conventional vision-language tasks, VDU…

计算机视觉与模式识别 · 计算机科学 2024-03-01 Xin Li , Yunfei Wu , Xinghua Jiang , Zhihao Guo , Mingming Gong , Haoyu Cao , Yinsong Liu , Deqiang Jiang , Xing Sun

Large vision language models (LVLMs) have improved the document understanding capabilities remarkably, enabling the handling of complex document elements, longer contexts, and a wider range of tasks. However, existing document understanding…

人工智能 · 计算机科学 2025-07-16 Chao Deng , Jiale Yuan , Pi Bu , Peijie Wang , Zhong-Zhi Li , Jian Xu , Xiao-Hui Li , Yuan Gao , Jun Song , Bo Zheng , Cheng-Lin Liu

Vision-Language Models (VLMs) leverage aligned visual encoders to transform images into visual tokens, allowing them to be processed similarly to text by the backbone large language model (LLM). This unified input paradigm enables VLMs to…

计算机视觉与模式识别 · 计算机科学 2025-03-18 Bangzheng Li , Fei Wang , Wenxuan Zhou , Nan Xu , Ben Zhou , Sheng Zhang , Hoifung Poon , Muhao Chen

The advent of Multimodal Large Language Models (MLLMs) has unlocked the potential for end-to-end document parsing and translation. However, prevailing benchmarks such as OmniDocBench and DITrans are dominated by pristine scanned or…

计算机视觉与模式识别 · 计算机科学 2025-11-25 Yongkun Du , Pinxuan Chen , Xuye Ying , Zhineng Chen

Document image dewarping remains a challenging task in the deep learning era. While existing methods have improved by leveraging text line awareness, they typically focus only on a single horizontal dimension. In this paper, we propose a…

计算机视觉与模式识别 · 计算机科学 2026-03-05 Heng Li , Xiangping Wu , Qingcai Chen

The exponential growth of scientific literature in PDF format necessitates advanced tools for efficient and accurate document understanding, summarization, and content optimization. Traditional methods fall short in handling complex layouts…

计算机视觉与模式识别 · 计算机科学 2025-08-12 Kun Qian , Wenjie Li , Tianyu Sun , Wenhong Wang , Wenhan Luo