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The project comes with the technique of OCR (Optical Character Recognition) which includes various research sides of computer science. The project is to take a picture of a character and process it up to recognize the image of that…

Computer Vision and Pattern Recognition · Computer Science 2021-11-11 Arkaprabha Basu , M. Sathya

Understanding documents with rich layouts is an essential step towards information extraction. Business intelligence processes often require the extraction of useful semantic content from documents at a large scale for subsequent…

Computer Vision and Pattern Recognition · Computer Science 2022-09-22 Sanket Biswas , Ayan Banerjee , Josep Lladós , Umapada Pal

In the real world, documents are organized in different formats and varied modalities. Traditional retrieval pipelines require tailored document parsing techniques and content extraction modules to prepare input for indexing. This process…

Information Retrieval · Computer Science 2024-12-03 Xueguang Ma , Sheng-Chieh Lin , Minghan Li , Wenhu Chen , Jimmy Lin

Contrary to popular belief, Optical Character Recognition (OCR) remains a challenging problem when text occurs in unconstrained environments, like natural scenes, due to geometrical distortions, complex backgrounds, and diverse fonts. In…

Computer Vision and Pattern Recognition · Computer Science 2019-06-06 Marcin Namysl , Iuliu Konya

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

This paper presents DavarOCR, an open-source toolbox for OCR and document understanding tasks. DavarOCR currently implements 19 advanced algorithms, covering 9 different task forms. DavarOCR provides detailed usage instructions and the…

Computer Vision and Pattern Recognition · Computer Science 2022-07-15 Liang Qiao , Hui Jiang , Ying Chen , Can Li , Pengfei Li , Zaisheng Li , Baorui Zou , Dashan Guo , Yingda Xu , Yunlu Xu , Zhanzhan Cheng , Yi Niu

This paper presents a computational method of analysis that draws from machine learning, library science, and literary studies to map the visual layouts of multi-ethnic newspapers from the late 19th and early 20th century United States.…

Computer Vision and Pattern Recognition · Computer Science 2021-09-07 Benjamin Charles Germain Lee , Joshua Ortiz Baco , Sarah H. Salter , Jim Casey

Recent advances in document image analysis (DIA) have been primarily driven by the application of neural networks. Ideally, research outcomes could be easily deployed in production and extended for further investigation. However, various…

Computer Vision and Pattern Recognition · Computer Science 2021-06-22 Zejiang Shen , Ruochen Zhang , Melissa Dell , Benjamin Charles Germain Lee , Jacob Carlson , Weining Li

Infographics are often an integral component of scientific documents for reporting qualitative or quantitative findings as they make it much simpler to comprehend the underlying complex information. However, their interpretation continues…

Computer Vision and Pattern Recognition · Computer Science 2022-11-17 Anukriti Kumar , Tanuja Ganu , Saikat Guha

Scientific articles published prior to the "age of digitization" in the late 1990s contain figures which are "trapped" within their scanned pages. While progress to extract figures and their captions has been made, there is currently no…

Instrumentation and Methods for Astrophysics · Physics 2022-09-13 J. P. Naiman , Peter K. G. Williams , Alyssa Goodman

Face morphing represents nowadays a big security threat in the context of electronic identity documents as well as an interesting challenge for researchers in the field of face recognition. Despite of the good performance obtained by…

Computer Vision and Pattern Recognition · Computer Science 2021-02-25 Matteo Ferrara , Annalisa Franco , Davide Maltoni

When digitizing a document into an image, it is common to include a surrounding border region to visually indicate that the entire document is present in the image. However, this border should be removed prior to automated processing. In…

Computer Vision and Pattern Recognition · Computer Science 2017-09-07 Chris Tensmeyer , Brian Davis , Curtis Wigington , Iain Lee , Bill Barrett

Search in collections of digitised historical documents is hindered by a two-prong problem, orthographic variety and optical character recognition (OCR) mistakes. We present a new search engine for historical documents, DuoSearch, which…

Information Retrieval · Computer Science 2023-06-01 Angel Beshirov , Suzan Hadzhieva , Ivan Koychev , Milena Dobreva

Document parsing converts visually rich documents into machine-readable structured representations, forming a crucial foundation for information systems. Although many benchmarks have been proposed for document parsing, they remain…

Artificial Intelligence · Computer Science 2026-05-29 Bangbang Zhou , Hangdi Xing , Yifan Chen , Jianjun Xu , Qi Zheng , Feiyu Gao , Zhibo Yang , Shuai Bai , Ming Yan , Jieping Ye , Hongtao Xie

Document image segmentation is crucial for document analysis and recognition but remains challenging due to the diversity of document formats and segmentation tasks. Existing methods often address these tasks separately, resulting in…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Xiao-Hui Li , Fei Yin , Cheng-Lin Liu

Computer vision with state-of-the-art deep learning models has achieved huge success in the field of Optical Character Recognition (OCR) including text detection and recognition tasks recently. However, Key Information Extraction (KIE) from…

Computer Vision and Pattern Recognition · Computer Science 2020-07-21 Wenwen Yu , Ning Lu , Xianbiao Qi , Ping Gong , Rong Xiao

When people explore large document collections to build understanding, they face a challenge: existing AI tools help them see what is central but tend to hide what is unusual. Summarization and topic modeling optimize for coverage,…

Human-Computer Interaction · Computer Science 2026-05-14 Youdi Li

Handwritten character recognition is a hot topic for research nowadays. If we can convert a handwritten piece of paper into a text-searchable document using the Optical Character Recognition (OCR) technique, we can easily understand the…

Computer Vision and Pattern Recognition · Computer Science 2022-12-26 Md Tanvir Rouf Shawon , Raihan Tanvir , Md. Golam Rabiul Alam

The World Wide Web is not only one of the most important platforms of communication and information at present, but also an area of growing interest for scientific research. This motivates a lot of work and projects that require large…

Computer Vision and Pattern Recognition · Computer Science 2021-05-18 Christian Mejia-Escobar , Miguel Cazorla , Ester Martinez-Martin

Some historical and more recent printed documents have been scanned or stored at very low resolutions, such as 60 dpi. Though such scans are relatively easy for humans to read, they still present significant challenges for optical character…

Computer Vision and Pattern Recognition · Computer Science 2021-05-11 Julian D. Gilbey , Carola-Bibiane Schönlieb