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With the growing adoption of Retrieval-Augmented Generation (RAG) in document processing, robust text recognition has become increasingly critical for knowledge extraction. While OCR (Optical Character Recognition) for English and other…

Computer Vision and Pattern Recognition · Computer Science 2025-06-30 Ahmed Heakl , Abdullah Sohail , Mukul Ranjan , Rania Hossam , Ghazi Shazan Ahmad , Mohamed El-Geish , Omar Maher , Zhiqiang Shen , Fahad Khan , Salman Khan

We present OCR-Quality, a comprehensive human-annotated dataset designed for evaluating and developing OCR quality assessment methods. The dataset consists of 1,000 PDF pages converted to PNG images at 300 DPI, sampled from diverse…

Computer Vision and Pattern Recognition · Computer Science 2025-10-28 Yulong Zhang

Despite significant advances in document understanding, determining the correct orientation of scanned or photographed documents remains a critical pre-processing step in the real world settings. Accurate rotation correction is essential…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Suranjan Goswami , Abhinav Ravi , Raja Kolla , Ali Faraz , Shaharukh Khan , Akash , Chandra Khatri , Shubham Agarwal

This research paper introduces a novel word-level Optical Character Recognition (OCR) model specifically designed for digital Urdu text, leveraging transformer-based architectures and attention mechanisms to address the distinct challenges…

Computer Vision and Pattern Recognition · Computer Science 2024-09-02 Ahmed Mustafa , Muhammad Tahir Rafique , Muhammad Ijlal Baig , Hasan Sajid , Muhammad Jawad Khan , Karam Dad Kallu

The problem of optical character recognition, OCR, has been widely discussed in the literature. Having a hand-written text, the program aims at recognizing the text. Even though there are several approaches to this issue, it is still an…

Computer Vision and Pattern Recognition · Computer Science 2014-11-07 Wei Wang

Recent advancements in the area of Computer Vision with state-of-art Neural Networks has given a boost to Optical Character Recognition (OCR) accuracies. However, extracting characters/text alone is often insufficient for relevant…

Computer Vision and Pattern Recognition · Computer Science 2018-12-17 Vishwanath D , Rohit Rahul , Gunjan Sehgal , Swati , Arindam Chowdhury , Monika Sharma , Lovekesh Vig , Gautam Shroff , Ashwin Srinivasan

The development of Information Technology has been increasingly changing the means of information exchange leading to the need of digitizing print documents. In the present era, there is a lot of fraud that often occur. To avoid account…

Computer Vision and Pattern Recognition · Computer Science 2021-01-14 Firhan Maulana Rusli , Kevin Akbar Adhiguna , Hendy Irawan

Detecting manipulations in digital documents is becoming increasingly important for information verification purposes. Due to the proliferation of image editing software, altering key information in documents has become widely accessible.…

Computer Vision and Pattern Recognition · Computer Science 2023-06-27 Hailey Joren , Otkrist Gupta , Dan Raviv

This paper introduces PreP-OCR, a two-stage pipeline that combines document image restoration with semantic-aware post-OCR correction to enhance both visual clarity and textual consistency, thereby improving text extraction from degraded…

Computation and Language · Computer Science 2025-11-19 Shuhao Guan , Moule Lin , Cheng Xu , Xinyi Liu , Jinman Zhao , Jiexin Fan , Qi Xu , Derek Greene

Indonesia is one of the most diverse countries linguistically. However, despite this linguistic diversity, Indonesian languages remain underrepresented in Natural Language Processing (NLP) research and technologies. In the past two years,…

There is little to no data available to build natural language processing models for most endangered languages. However, textual data in these languages often exists in formats that are not machine-readable, such as paper books and scanned…

Computation and Language · Computer Science 2020-11-12 Shruti Rijhwani , Antonios Anastasopoulos , Graham Neubig

The OpenITI team has achieved Optical Character Recognition (OCR) accuracy rates for classical Arabic-script texts in the high nineties. These numbers are based on our tests of seven different Arabic-script texts of varying quality and…

Computer Vision and Pattern Recognition · Computer Science 2017-03-29 Maxim Romanov , Matthew Thomas Miller , Sarah Bowen Savant , Benjamin Kiessling

Information representation as tables are compact and concise method that eases searching, indexing, and storage requirements. Extracting and cloning tables from parsable documents is easier and widely used, however industry still faces…

Information Retrieval · Computer Science 2020-10-20 Smita Pallavi , Raj Ratn Pranesh , Sumit Kumar

Billions of public domain documents remain trapped in hard copy or lack an accurate digitization. Modern natural language processing methods cannot be used to index, retrieve, and summarize their texts; conduct computational textual…

Computer Vision and Pattern Recognition · Computer Science 2023-10-17 Tom Bryan , Jacob Carlson , Abhishek Arora , Melissa Dell

Given the ubiquity of handwritten documents in human transactions, Optical Character Recognition (OCR) of documents have invaluable practical worth. Optical character recognition is a science that enables to translate various types of…

Computer Vision and Pattern Recognition · Computer Science 2020-01-03 Jamshed Memon , Maira Sami , Rizwan Ahmed Khan

Optical Character Recognition (OCR) continues to face accuracy challenges that impact subsequent applications. To address these errors, we explore the utility of OCR confidence scores for enhancing post-OCR error detection. Our study…

Computer Vision and Pattern Recognition · Computer Science 2024-09-09 Arthur Hemmer , Mickaël Coustaty , Nicola Bartolo , Jean-Marc Ogier

Extracting Handwritten text is one of the most important components of digitizing information and making it available for large scale setting. Handwriting Optical Character Reader (OCR) is a research problem in computer vision and natural…

Computer Vision and Pattern Recognition · Computer Science 2022-06-10 Mohammad Daniyal Shaiq , Musa Dildar Ahmed Cheema , Ali Kamal

The inherent complexities of Arabic script; its cursive nature, diacritical marks (tashkeel), and varied typography, pose persistent challenges for Optical Character Recognition (OCR). We present Qari-OCR, a series of vision-language models…

Computer Vision and Pattern Recognition · Computer Science 2025-06-04 Ahmed Wasfy , Omer Nacar , Abdelakreem Elkhateb , Mahmoud Reda , Omar Elshehy , Adel Ammar , Wadii Boulila

PDF files are primarily intended for human reading rather than automated processing. In addition, the heterogeneous content of PDFs, such as text, tables, and images, poses significant challenges for parsing and information extraction. To…

Computation and Language · Computer Science 2026-04-15 Omar El Bachyr , Yewei Song , Saad Ezzini , Jacques Klein , Tegawendé F. Bissyandé , Anas Zilali , Ulrick Ble , Anne Goujon

Feature extraction is one of the fundamental problems of character recognition. The performance of character recognition system is depends on proper feature extraction and correct classifier selection. In this article, a rapid feature…

Computer Vision and Pattern Recognition · Computer Science 2012-06-04 M. Zahid Hossain , M. Ashraful Amin , Hong Yan
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