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There is an immense quantity of historical and cultural documentation that exists only as handwritten manuscripts. At the same time, performing OCR across scripts and different handwriting styles has proven to be an enormously difficult…

Computer Vision and Pattern Recognition · Computer Science 2024-11-01 Lucian Li

Optical Character Recognition (OCR) systems often introduce errors when transcribing historical documents, leaving room for post-correction to improve text quality. This study evaluates the use of open-weight LLMs for OCR error correction…

Computation and Language · Computer Science 2025-02-04 Jenna Kanerva , Cassandra Ledins , Siiri Käpyaho , Filip Ginter

We explore how multimodal Large Language Models (mLLMs) can help researchers transcribe historical documents, extract relevant historical information, and construct datasets from historical sources. Specifically, we investigate the…

Computation and Language · Computer Science 2025-04-02 Gavin Greif , Niclas Griesshaber , Robin Greif

The digitization of historical folkloristic materials presents unique challenges due to diverse text layouts, varying print and handwriting styles, and linguistic variations. This study explores different optical character recognition (OCR)…

Digital Libraries · Computer Science 2025-07-28 Octavian M. Machidon , Alina L. Machidon

Optical Character Recognition (OCR) for data extraction from documents is essential to intelligent informatics, such as digitizing medical records and recognizing road signs. Multi-modal Large Language Models (LLMs) can solve this task and…

Computer Vision and Pattern Recognition · Computer Science 2026-01-06 Hyakka Nakada , Yoshiyasu Tanaka

Optical Character Recognition (OCR) plays a crucial role in digitizing historical and multilingual documents, yet OCR errors - imperfect extraction of text, including character insertion, deletion, and substitution can significantly impact…

Computation and Language · Computer Science 2025-09-22 Bhawna Piryani , Jamshid Mozafari , Abdelrahman Abdallah , Antoine Doucet , Adam Jatowt

Vision Large Language Models (VLLMs) have achieved remarkable success in modern text-rich visual understanding. However, their perceptual robustness in the face of the continuous morphological evolution of historical writing systems remains…

Computer Vision and Pattern Recognition · Computer Science 2026-05-13 Gengluo Li , Shangpin Peng , Xingyu Wan , Chengquan Zhang , Hao Feng , Xin Xu , Pian Wu , Bang Li , Zengmao Ding , Yongge Liu , Yipei Ye , Yang Yang , Zhan Shu , Guojun Yan , Zhe Li , Can Ma , Weiping Wang , Yu Zhou , Han Hu

This study demonstrates that Large Language Models (LLMs) can transcribe historical handwritten documents with significantly higher accuracy than specialized Handwritten Text Recognition (HTR) software, while being faster and more…

Computer Vision and Pattern Recognition · Computer Science 2024-11-07 Mark Humphries , Lianne C. Leddy , Quinn Downton , Meredith Legace , John McConnell , Isabella Murray , Elizabeth Spence

The detection of Protected Health Information (PHI) in medical imaging is critical for safeguarding patient privacy and ensuring compliance with regulatory frameworks. Traditional detection methodologies predominantly utilize Optical…

Computer Vision and Pattern Recognition · Computer Science 2026-05-22 Tuan Truong , Guillermo Jimenez Perez , Pedro Osorio , Matthias Lenga

Multimodal Large Language Models (MLLMs) enhance the potential of natural language processing. However, their actual impact on document information extraction remains unclear. In particular, it is unclear whether an MLLM-only…

Computation and Language · Computer Science 2026-03-04 Jiyuan Shen , Peiyue Yuan , Atin Ghosh , Yifan Mai , Daniel Dahlmeier

The digitisation of historical print media archives is crucial for increasing accessibility to contemporary records. However, the process of Optical Character Recognition (OCR) used to convert physical records to digital text is prone to…

Computation and Language · Computer Science 2025-01-23 Jonathan Bourne

Optical Character Recognition (OCR) of eighteenth-century printed texts remains challenging due to degraded print quality, archaic glyphs, and non-standardized orthography. Although transformer-based OCR systems and Vision-Language Models…

Computer Vision and Pattern Recognition · Computer Science 2026-02-17 Ari Vesalainen , Eetu Mäkelä , Laura Ruotsalainen , Mikko Tolonen

Optical Character Recognition (OCR) is a critical but error-prone stage in digital humanities text pipelines. While OCR correction improves usability for downstream NLP tasks, common workflows often overwrite intermediate decisions,…

Human-Computer Interaction · Computer Science 2026-05-07 Haoze Guo , Ziqi Wei

Urban systems are managed using complex textual documentation that need coding and analysis to set requirements and evaluate built environment performance. This paper contributes to the study of applying large-language models (LLM) to…

Computation and Language · Computer Science 2025-04-02 Joshua Rodriguez , Om Sanan , Guillermo Vizarreta-Luna , Steven A. Conrad

Large Multimodal Models (LMMs) have recently shown strong performance on Optical Character Recognition (OCR) tasks, demonstrating their promising capability in document literacy. However, their effectiveness in real-world applications…

Computation and Language · Computer Science 2026-05-06 Zhipeng Xu , Junhao Ji , Zulong Chen , Zhenghao Liu , Qing Liu , Chunyi Peng , Zubao Qin , Ze Xu , Jianqiang Wan , Jun Tang , Zhibo Yang , Shuai Bai , Dayiheng Liu

This research digitizes and analyzes the Leidse hoogleraren en lectoren 1575-1815 books written between 1983 and 1985, which contain biographic data about professors and curators of Leiden University. It addresses the central question: how…

Computation and Language · Computer Science 2026-01-01 Zahra Abedi , Richard M. K. van Dijk , Gijs Wijnholds , Tessa Verhoef

Extracting fine-grained OCR text from aged documents in diacritic languages remains challenging due to unexpected artifacts, time-induced degradation, and lack of datasets. While standalone spell correction approaches have been proposed,…

Computation and Language · Computer Science 2025-02-28 Thao Do , Dinh Phu Tran , An Vo , Daeyoung Kim

This paper introduces an open-source benchmark for evaluating Vision-Language Models (VLMs) on Optical Character Recognition (OCR) tasks in dynamic video environments. We present a curated dataset containing 1,477 manually annotated frames…

Computer Vision and Pattern Recognition · Computer Science 2025-02-11 Sankalp Nagaonkar , Augustya Sharma , Ashish Choithani , Ashutosh Trivedi

Retrieving accurate details from documents is a crucial task, especially when handling a combination of scanned images and native digital formats. This document presents a combined framework for text extraction that merges Optical Character…

Computer Vision and Pattern Recognition · Computer Science 2025-06-16 Rasha Sinha , Rekha B S

Investigative journalists routinely confront large document collections. Large language models (LLMs) with retrieval-augmented generation (RAG) capabilities promise to accelerate the process of document discovery, but newsroom adoption…

Information Retrieval · Computer Science 2025-10-01 Nick Hagar , Nicholas Diakopoulos , Jeremy Gilbert
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