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Effects of Optical Character Recognition (OCR) quality on historical information retrieval have so far been studied in data-oriented scenarios regarding the effectiveness of retrieval results. Such studies have either focused on the effects…

Information Retrieval · Computer Science 2022-08-12 Kimmo Kettunen , Heikki Keskustalo , Sanna Kumpulainen , Tuula Pääkkönen , Juha Rautiainen

AI-based systems possess distinctive characteristics and introduce challenges in quality evaluation at the same time. Consequently, ensuring and validating AI software quality is of critical importance. In this paper, we present an…

Software Engineering · Computer Science 2024-10-07 Jing Shu , Bing-Jiun Miu , Eugene Chang , Jerry Gao , Jun Liu

Since the dawn of the computing era, information has been represented digitally so that it can be processed by electronic computers. Paper books and documents were abundant and widely being published at that time; and hence, there was a…

Computation and Language · Computer Science 2012-04-03 Youssef Bassil , Mohammad Alwani

Optical Character Recognition (OCR) technology finds applications in digitizing books and unstructured documents, along with applications in other domains such as mobility statistics, law enforcement, traffic, security systems, etc. The…

Computer Vision and Pattern Recognition · Computer Science 2023-07-11 Aishik Rakshit , Samyak Mehta , Anirban Dasgupta

Optical Character Recognition (OCR) systems have been widely used in various of application scenarios. Designing an OCR system is still a challenging task. In previous work, we proposed a practical ultra lightweight OCR system (PP-OCR) to…

Computer Vision and Pattern Recognition · Computer Science 2021-10-13 Yuning Du , Chenxia Li , Ruoyu Guo , Cheng Cui , Weiwei Liu , Jun Zhou , Bin Lu , Yehua Yang , Qiwen Liu , Xiaoguang Hu , Dianhai Yu , Yanjun Ma

This research paper delves into the development of an Optical Character Recognition (OCR) system for the recognition of Ashokan Brahmi characters using Convolutional Neural Networks. It utilizes a comprehensive dataset of character images…

Computer Vision and Pattern Recognition · Computer Science 2025-01-07 Yash Agrawal , Srinidhi Balasubramanian , Rahul Meena , Rohail Alam , Himanshu Malviya , Rohini P

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

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

The Optical Character Recognition (OCR) systems have been widely used in various of application scenarios, such as office automation (OA) systems, factory automations, online educations, map productions etc. However, OCR is still a…

Computer Vision and Pattern Recognition · Computer Science 2020-10-16 Yuning Du , Chenxia Li , Ruoyu Guo , Xiaoting Yin , Weiwei Liu , Jun Zhou , Yifan Bai , Zilin Yu , Yehua Yang , Qingqing Dang , Haoshuang Wang

Optical Character Recognition has been a challenging field in the advent of digital computers. It is needed where information is to be readable both to humans and machines. The process of OCR is composed of a set of pre and post processing…

Computer Vision and Pattern Recognition · Computer Science 2018-01-04 Chinmay Chinara , Nishant Nath , Subhajeet Mishra , Sangram Keshari Sahoo , Farida Ashraf Ali

Conventional optical character recognition (OCR) techniques segmented each character and then recognized. This made them prone to error in character segmentation, and devoid of context to exploit language models. Advances in sequence to…

Computer Vision and Pattern Recognition · Computer Science 2025-09-01 Shashank Vempati , Nishit Anand , Gaurav Talebailkar , Arpan Garai , Chetan Arora

Text Recognition is one of the challenging tasks of computer vision with considerable practical interest. Optical character recognition (OCR) enables different applications for automation. This project focuses on word detection and…

Computer Vision and Pattern Recognition · Computer Science 2020-04-20 Ebin Zacharias , Martin Teuchler , Bénédicte Bernier

Academic documents are packed with texts, equations, tables, and figures, requiring comprehensive understanding for accurate Optical Character Recognition (OCR). While end-to-end OCR methods offer improved accuracy over layout-based…

Computer Vision and Pattern Recognition · Computer Science 2024-03-05 Yu Sun , Dongzhan Zhou , Chen Lin , Conghui He , Wanli Ouyang , Han-Sen Zhong

Document comparison typically relies on optical character recognition (OCR) as its core technology. However, OCR requires the selection of appropriate language models for each document and the performance of multilingual or hybrid models…

Computer Vision and Pattern Recognition · Computer Science 2024-12-06 Doyoung Park , Naresh Reddy Yarram , Sunjin Kim , Minkyu Kim , Seongho Cho , Taehee Lee

In an era where wearable technology is reshaping applications, Scene Text Detection and Recognition (STDR) becomes a straightforward choice through the lens of egocentric vision. Leveraging Meta's Project Aria smart glasses, this paper…

Computer Vision and Pattern Recognition · Computer Science 2025-07-23 Joseph De Mathia , Carlos Francisco Moreno-García

Text image super-resolution is a challenging yet open research problem in the computer vision community. In particular, low-resolution images hamper the performance of typical optical character recognition (OCR) systems. In this article, we…

Computer Vision and Pattern Recognition · Computer Science 2015-06-09 Chao Dong , Ximei Zhu , Yubin Deng , Chen Change Loy , Yu Qiao

In this paper, we propose an OCR (optical character recognition)-based localization system called OCRAPOSE II, which is applicable in a number of indoor scenarios including office buildings, parkings, airports, grocery stores, etc. In these…

Computer Vision and Pattern Recognition · Computer Science 2017-04-20 Hamed Sadeghi , Shahrokh Valaee , Shahram Shirani

The ubiquity of smartphone cameras has led to more and more documents being captured by cameras rather than scanned. Unlike flatbed scanners, photographed documents are often folded and crumpled, resulting in large local variance in text…

Computer Vision and Pattern Recognition · Computer Science 2020-08-06 Amir Markovitz , Inbal Lavi , Or Perel , Shai Mazor , Roee Litman

The purpose of this study is to provide a detailed performance comparison of feature detector/descriptor methods, particularly when their various combinations are used for image-matching. The localization experiments of a mobile robot in an…

Computer Vision and Pattern Recognition · Computer Science 2017-10-18 Ertugrul Bayraktar , Pinar Boyraz

The growing use of Artificial Intelligence solutions has led to an explosion in image capture and its application in machine learning models. However, the lack of standardization in image quality generates inconsistencies in the results of…

Computer Vision and Pattern Recognition · Computer Science 2024-10-18 Renato Augusto Tavares