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Related papers: Improving OCR for Historical Texts of Multiple Lan…

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The biggest challenge in the field of image processing is to recognize documents both in printed and handwritten format. Optical Character Recognition OCR is a type of document image analysis where scanned digital image that contains either…

Computer Vision and Pattern Recognition · Computer Science 2016-12-05 Singh Vijendra , Nisha Vasudeva , Hem Jyotsana Parashar

This article describes the results of a case study that applies Neural Network-based Optical Character Recognition (OCR) to scanned images of books printed between 1487 and 1870 by training the OCR engine OCRopus [@breuel2013high] on the…

Computation and Language · Computer Science 2017-04-11 U. Springmann , A. Lüdeling

DeepSeek-OCR utilizes an optical 2D mapping approach to achieve high-ratio vision-text compression, claiming to decode text tokens exceeding ten times the input visual tokens. While this suggests a promising solution for the LLM…

Computation and Language · Computer Science 2026-01-09 Yunhao Liang , Ruixuan Ying , Bo Li , Hong Li , Kai Yan , Qingwen Li , Min Yang , Okamoto Satoshi , Zhe Cui , Shiwen Ni

We propose an end-to-end recurrent encoder-decoder based sequence learning approach for printed text Optical Character Recognition (OCR). In contrast to present day existing state-of-art OCR solution which uses connectionist temporal…

Computer Vision and Pattern Recognition · Computer Science 2015-12-29 Devendra Kumar Sahu , Mohak Sukhwani

Optical character recognition (OCR) is a fundamental problem in computer vision. Research studies have shown significant progress in classifying printed characters using deep learning-based methods and topologies. Among current algorithms,…

Computer Vision and Pattern Recognition · Computer Science 2018-04-12 Saman Sarraf

In this paper, we propose an end-to-end trainable framework for restoring historical documents content that follows the correct reading order. In this framework, two branches named character branch and layout branch are added behind the…

Computer Vision and Pattern Recognition · Computer Science 2020-07-15 Weihong Ma , Hesuo Zhang , Lianwen Jin , Sihang Wu , Jiapeng Wang , Yongpan Wang

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

Online handwritten Chinese text recognition (OHCTR) is a challenging problem as it involves a large-scale character set, ambiguous segmentation, and variable-length input sequences. In this paper, we exploit the outstanding capability of…

Computer Vision and Pattern Recognition · Computer Science 2017-05-26 Zecheng Xie , Zenghui Sun , Lianwen Jin , Hao Ni , Terry Lyons

One important and particularly challenging step in the optical character recognition (OCR) of historical documents with complex layouts, such as newspapers, is the separation of text from non-text content (e.g. page borders or…

Computer Vision and Pattern Recognition · Computer Science 2020-04-17 Bernhard Liebl , Manuel Burghardt

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

Handwritten text recognition and optical character recognition solutions show excellent results with processing data of modern era, but efficiency drops with Latin documents of medieval times. This paper presents a deep learning method to…

Computer Vision and Pattern Recognition · Computer Science 2025-12-23 Maksym Voloshchuk , Bohdana Zarembovska , Mykola Kozlenko

Recent progress in deep learning has led to the development of Optical Character Recognition (OCR) systems which perform remarkably well. Most research has been around recurrent networks as well as complex gated layers which make the…

Computer Vision and Pattern Recognition · Computer Science 2022-06-01 Kartik Chaudhary , Raghav Bali

This project undertakes the training and analysis of optical character recognition OCR methods applied to 10th century ancient Tamil inscriptions discovered on the walls of the Brihadeeswarar Temple.The chosen OCR methods include…

Computer Vision and Pattern Recognition · Computer Science 2024-05-29 Velmathi G , Shangavelan M , Harish D , Krithikshun M S

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

A common approach for improving OCR quality is a post-processing step based on models correcting misdetected characters and tokens. These models are typically trained on aligned pairs of OCR read text and their manually corrected…

Computation and Language · Computer Science 2019-06-27 Kai Hakala , Aleksi Vesanto , Niko Miekka , Tapio Salakoski , Filip Ginter

Recent researches introduced fast, compact and efficient convolutional neural networks (CNNs) for offline handwritten Chinese character recognition (HCCR). However, many of them did not address the problem of network interpretability. We…

Computer Vision and Pattern Recognition · Computer Science 2020-06-12 Pavlo Melnyk , Zhiqiang You , Keqin Li

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

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

Offline Handwritten Text Recognition (HTR) systems play a crucial role in applications such as historical document digitization, automatic form processing, and biometric authentication. However, their performance is often hindered by the…

Computer Vision and Pattern Recognition · Computer Science 2025-07-10 Yassin Hussein Rassul , Aram M. Ahmed , Polla Fattah , Bryar A. Hassan , Arwaa W. Abdulkareem , Tarik A. Rashid , Joan Lu

Detecting and recognizing text in natural scene images is a challenging, yet not completely solved task. In re- cent years several new systems that try to solve at least one of the two sub-tasks (text detection and text recognition) have…

Computer Vision and Pattern Recognition · Computer Science 2017-07-28 Christian Bartz , Haojin Yang , Christoph Meinel