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Many documents, that we call templatized documents, are programmatically generated by populating fields in a visual template. Effective data extraction from these documents is crucial to supporting downstream analytical tasks. Current data…

数据库 · 计算机科学 2025-01-14 Yiming Lin , Mawil Hasan , Rohan Kosalge , Alvin Cheung , Aditya G. Parameswaran

Nowadays document analysis and recognition remain challenging tasks. However, only a few datasets designed for text detection (TD) and optical character recognition (OCR) problems exist. In this paper we present Distorted Document Images…

计算机视觉与模式识别 · 计算机科学 2021-09-20 Ilia Zharikov , Filipp Nikitin , Ilia Vasiliev , Vladimir Dokholyan

Recent advancements in multimodal slow-thinking systems have demonstrated remarkable performance across various visual reasoning tasks. However, their capabilities in text-rich image reasoning tasks remain understudied due to the absence of…

机器学习 · 计算机科学 2026-05-27 Mingxin Huang , Yongxin Shi , Dezhi Peng , Songxuan Lai , Zecheng Xie , Lianwen Jin

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

The rise of multi-modal search requests from users has highlighted the importance of multi-modal retrieval (i.e. image-to-text or text-to-image retrieval), yet the more complex task of image-to-multi-modal retrieval, crucial for many…

信息检索 · 计算机科学 2024-06-11 Zida Cheng , Chen Ju , Shuai Xiao , Xu Chen , Zhonghua Zhai , Xiaoyi Zeng , Weilin Huang , Junchi Yan

Automatic legal judgment prediction and its explanation suffer from the problem of long case documents exceeding tens of thousands of words, in general, and having a non-uniform structure. Predicting judgments from such documents and…

信息检索 · 计算机科学 2024-07-01 Nishchal Prasad , Mohand Boughanem , Taoufik Dkaki

The performance of optical character recognition (OCR) heavily relies on document image quality, which is crucial for automatic document processing and document intelligence. However, most existing document enhancement methods require…

计算机视觉与模式识别 · 计算机科学 2023-11-17 Jiaxin Zhang , Joy Rimchala , Lalla Mouatadid , Kamalika Das , Sricharan Kumar

Large language models (LLMs) have demonstrated remarkable performances on a wide range of natural language tasks. Yet, LLMs' successes have been largely restricted to tasks concerning words, sentences, or documents, and it remains…

计算与语言 · 计算机科学 2024-07-24 Andrew Shin , Kunitake Kaneko

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).…

In recent months, large language models (LLMs) have made significant progress in mathematical proof generation, but further advancement is hindered by the lack of a large-scale, high-quality dataset of human-evaluated proofs. While…

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…

计算机视觉与模式识别 · 计算机科学 2024-09-10 Anwen Hu , Haiyang Xu , Liang Zhang , Jiabo Ye , Ming Yan , Ji Zhang , Qin Jin , Fei Huang , Jingren Zhou

Recent work has shown that Vision-Language Models (VLMs) used for optical character recognition (OCR) can generate plausible but visually unsupported text, suggesting reliance on language priors. Comparing open-weight VLMs with traditional…

计算与语言 · 计算机科学 2026-05-28 Antonia Karamolegkou , Nicolas Angleraud , Benoît Sagot , Thibault Clérice

Recent progress in multimodal large language models (MLLMs) has substantially improved document understanding, yet strong optical character recognition (OCR) performance on surface metrics does not guarantee faithful preservation of…

Large Multimodal Models (LMMs) are increasingly applied to scientific research, yet it remains unclear whether they can reliably understand and reason over the multimodal complexity of papers. A central challenge lies in detecting and…

计算机视觉与模式识别 · 计算机科学 2026-02-17 Lukas Selch , Yufang Hou , M. Jehanzeb Mirza , Sivan Doveh , James Glass , Rogerio Feris , Wei Lin

Traditional evaluation metrics like BLEU and ROUGE fall short when capturing the nuanced qualities of generated text, particularly when there is no single ground truth. In this paper, we explore the potential of Large Language Models…

计算与语言 · 计算机科学 2024-12-13 Manav Chaudhary , Harshit Gupta , Savita Bhat , Vasudeva Varma

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…

计算机视觉与模式识别 · 计算机科学 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

Large Language Models (LLMs) are highly vulnerable to input perturbations, as even a small prompt change may result in a substantially different output. Existing methods to enhance LLM robustness are primarily focused on perturbed data…

计算与语言 · 计算机科学 2025-04-04 Aryan Agrawal , Lisa Alazraki , Shahin Honarvar , Marek Rei

Recent multimodal large language models (MLLMs) perform strongly on general visual understanding, diagram and chart reasoning, and document-centric perception. However, these abilities are learned from heterogeneous supervision sources with…

计算机视觉与模式识别 · 计算机科学 2026-03-31 Guowei Tang

Perspective distortion (PD) causes unprecedented changes in shape, size, orientation, angles, and other spatial relationships of visual concepts in images. Precisely estimating camera intrinsic and extrinsic parameters is a challenging task…

计算机视觉与模式识别 · 计算机科学 2024-07-16 Prakash Chandra Chhipa , Meenakshi Subhash Chippa , Kanjar De , Rajkumar Saini , Marcus Liwicki , Mubarak Shah

Optical Chemical Structure Recognition (OCSR) is critical for converting 2D molecular diagrams from printed literature into machine-readable formats. While Vision-Language Models have shown promise in end-to-end OCR tasks, their direct…

计算机视觉与模式识别 · 计算机科学 2026-04-22 Haocheng Tang , Xingyu Dang , Junmei Wang
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