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There are a lot of intensive researches on handwritten character recognition (HCR) for almost past four decades. The research has been done on some of popular scripts such as Roman, Arabic, Chinese and Indian. In this paper we present a…

计算机视觉与模式识别 · 计算机科学 2013-08-28 Aini Najwa Azmi , Dewi Nasien , Siti Mariyam Shamsuddin

Text recognition is a long-standing research problem for document digitalization. Existing approaches are usually built based on CNN for image understanding and RNN for char-level text generation. In addition, another language model is…

计算与语言 · 计算机科学 2022-09-07 Minghao Li , Tengchao Lv , Jingye Chen , Lei Cui , Yijuan Lu , Dinei Florencio , Cha Zhang , Zhoujun Li , Furu Wei

A line of a bilingual document page may contain text words in regional language and numerals in English. For Optical Character Recognition (OCR) of such a document page, it is necessary to identify different script forms before running an…

计算机视觉与模式识别 · 计算机科学 2011-07-05 B. V. Dhandra , Mallikarjun Hangarge

OCR has been an active research area since last few decades. OCR performs the recognition of the text in the scanned document image and converts it into editable form. The OCR process can have several stages like pre-processing,…

计算机视觉与模式识别 · 计算机科学 2013-06-07 Kanika Bansal , Rajiv Kumar

Converting images of Arabic text into plain text is a widely researched topic in academia and industry. However, recognition of Arabic handwritten and printed text presents difficult challenges due to the complex nature of variations of the…

计算机视觉与模式识别 · 计算机科学 2025-02-11 Alhossien Waly , Bassant Tarek , Ali Feteha , Rewan Yehia , Gasser Amr , Walid Gomaa , Ahmed Fares

Document image has been the area of research for a couple of decades because of its potential application in the area of text recognition, line recognition or any other shape recognition from the image. For most of these purposes…

计算机视觉与模式识别 · 计算机科学 2015-02-02 Mahua Nandy , Satadal Saha

With the rise of multimodal large language models, accurately extracting and understanding textual information from video content, referred to as video based optical character recognition (Video OCR), has become a crucial capability. This…

计算机视觉与模式识别 · 计算机科学 2024-12-31 Yulin Fei , Yuhui Gao , Xingyuan Xian , Xiaojin Zhang , Tao Wu , Wei Chen

Optical character recognition (OCR), a process that converts printed or handwritten text into machine-readable form, is widely used in assistive technology for people with blindness and low vision. Yet most evaluations rely on static…

计算机视觉与模式识别 · 计算机科学 2026-03-24 Junchi Feng , Nikhil Ballem , Mahya Beheshti , Giles Hamilton-Fletcher , Todd Hudson , Maurizio Porfiri , William H. Seiple , John-Ross Rizzo

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)…

数字图书馆 · 计算机科学 2025-07-28 Octavian M. Machidon , Alina L. Machidon

Optical Character Recognition software (OCR) are important tools for obtaining accessible texts. We propose the use of artificial neural networks (ANN) in order to develop pattern recognition algorithms capable of recognizing both normal…

神经与进化计算 · 计算机科学 2016-07-08 Giuseppe Airò Farulla , Tiziana Armano , Anna Capietto , Nadir Murru , Rosaria Rossini

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…

计算机视觉与模式识别 · 计算机科学 2018-01-04 Chinmay Chinara , Nishant Nath , Subhajeet Mishra , Sangram Keshari Sahoo , Farida Ashraf Ali

Object Recognition and Document Skew Estimation have come a long way in terms of performance and efficiency. New models follow one of two directions: improving performance using larger models, and improving efficiency using smaller models.…

计算机视觉与模式识别 · 计算机科学 2025-09-09 Lucas Wojcik , Luiz Coelho , Roger Granada , David Menotti

We have benchmarked the maximum obtainable recognition accuracy on various word image datasets using manual segmentation and a currently available commercial OCR. We have developed a Matlab program, with graphical user interface, for…

计算机视觉与模式识别 · 计算机科学 2012-08-31 Deepak Kumar , M N Anil Prasad , A G Ramakrishnan

For the bachelor project 2021 of Professor Lippert's research group, handwritten entries of historical patient records needed to be digitized using Optical Character Recognition (OCR) methods. Since the data will be used in the future, a…

计算机视觉与模式识别 · 计算机科学 2025-09-23 Martin Preiß

The majority of computer vision applications that handle images featuring humans use face detection as a core component. Face detection still has issues, despite much research on the topic. Face detection's accuracy and speed might yet be…

计算机视觉与模式识别 · 计算机科学 2024-02-07 Purnendu Prabhat , Himanshu Gupta , Ajeet Kumar Vishwakarma

Handwritten character recognition is always a frontier area of research in the field of pattern recognition and image processing and there is a large demand for OCR on hand written documents. Even though, sufficient studies have performed…

计算机视觉与模式识别 · 计算机科学 2021-09-07 John Jomy , K. V. Pramod , Balakrishnan Kannan

Handwritten text recognition is an open problem of great interest in the area of automatic document image analysis. The transcription of handwritten content present in digitized documents is significant in analyzing historical archives or…

计算机视觉与模式识别 · 计算机科学 2021-12-28 Jorge Sueiras

In this paper, we propose a novel method based on character sequence-to-sequence models to correct documents already processed with Optical Character Recognition (OCR) systems. The main contribution of this paper is a set of strategies to…

计算与语言 · 计算机科学 2022-01-26 Juan Ramirez-Orta , Eduardo Xamena , Ana Maguitman , Evangelos Milios , Axel J. Soto

This paper presents our methodology and findings from three tasks across Optical Character Recognition (OCR) and Document Layout Analysis using advanced deep learning techniques. First, for the historical Hebrew fragments of the Dead Sea…

计算机视觉与模式识别 · 计算机科学 2025-08-15 Hylke Westerdijk , Ben Blankenborg , Khondoker Ittehadul Islam

Information Extraction from visually rich documents is a challenging task that has gained a lot of attention in recent years due to its importance in several document-control based applications and its widespread commercial value. The…

计算机视觉与模式识别 · 计算机科学 2023-05-03 Mohamed Dhouib , Ghassen Bettaieb , Aymen Shabou