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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

A method is presented that significantly reduces the character error rates for OCR text obtained from OCRopus models trained on early printed books when only small amounts of diplomatic transcriptions are available. This is achieved by…

计算机视觉与模式识别 · 计算机科学 2017-12-22 Christian Reul , Christoph Wick , Uwe Springmann , Frank Puppe

Recognition of document images have important applications in restoring old and classical texts. The problem involves quality improvement before passing it to a properly trained OCR to get accurate recognition of the text. The image…

计算机视觉与模式识别 · 计算机科学 2017-02-01 Ram Krishna Pandey , A G Ramakrishnan

This paper presents an end-to-end suite for multilingual information extraction and processing from image-based documents. The system uses Optical Character Recognition (Tesseract) to extract text in languages such as English, Hindi, and…

计算与语言 · 计算机科学 2025-05-19 Hrishit Madhavi , Jacob Cherian , Yuvraj Khamkar , Dhananjay Bhagat

The problem of converting images of text into plain text is a widely researched topic in both academia and industry. Arabic handwritten Text Recognation (AHTR) poses additional challenges due to diverse handwriting styles and limited…

计算机视觉与模式识别 · 计算机科学 2024-12-03 Alhossien Waly , Bassant Tarek , Ali Feteha , Rewan Yehia , Gasser Amr , Ahmed Fares

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.…

计算机视觉与模式识别 · 计算机科学 2023-06-27 Hailey Joren , Otkrist Gupta , Dan Raviv

Traditional OCR systems (OCR-1.0) are increasingly unable to meet people's usage due to the growing demand for intelligent processing of man-made optical characters. In this paper, we collectively refer to all artificial optical signals…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Haoran Wei , Chenglong Liu , Jinyue Chen , Jia Wang , Lingyu Kong , Yanming Xu , Zheng Ge , Liang Zhao , Jianjian Sun , Yuang Peng , Chunrui Han , Xiangyu Zhang

The digitisation of historical documents has provided historians with unprecedented research opportunities. Yet, the conventional approach to analysing historical documents involves converting them from images to text using OCR, a process…

计算与语言 · 计算机科学 2023-11-07 Nadav Borenstein , Phillip Rust , Desmond Elliott , Isabelle Augenstein

Urdu is a cursive script language and has similarities with Arabic and many other South Asian languages. Urdu is difficult to classify due to its complex geometrical and morphological structure. Character classification can be processed…

计算机视觉与模式识别 · 计算机科学 2025-08-20 Sumaiya Fazal , Sheeraz Ahmed

Optical Character Recognition (OCR) systems often introduce errors when transcribing historical documents, leaving room for post-correction to improve text quality. This study evaluates the use of open-weight LLMs for OCR error correction…

计算与语言 · 计算机科学 2025-02-04 Jenna Kanerva , Cassandra Ledins , Siiri Käpyaho , Filip Ginter

Despite having a large number of speakers, the Kurdish language is among the less-resourced languages. In this work we highlight the challenges and problems in providing the required tools and techniques for processing texts written in…

信息检索 · 计算机科学 2012-12-04 Kyumars Sheykh Esmaili

We present an experimental dataset, Basic Dataset for Sorani Kurdish Automatic Speech Recognition (BD-4SK-ASR), which we used in the first attempt in developing an automatic speech recognition for Sorani Kurdish. The objective of the…

计算与语言 · 计算机科学 2019-12-03 Akam Qader , Hossein Hassani

In this paper we introduce a method that significantly reduces the character error rates for OCR text obtained from OCRopus models trained on early printed books. The method uses a combination of cross fold training and confidence based…

计算机视觉与模式识别 · 计算机科学 2018-07-25 Christian Reul , Uwe Springmann , Christoph Wick , Frank Puppe

Retrieval-Augmented Generation (RAG) has become a popular technique for enhancing the reliability and utility of Large Language Models (LLMs) by grounding responses in external documents. Traditional RAG systems rely on Optical Character…

计算机视觉与模式识别 · 计算机科学 2025-05-12 Alexander Most , Joseph Winjum , Ayan Biswas , Shawn Jones , Nishath Rajiv Ranasinghe , Dan O'Malley , Manish Bhattarai

Multilingual OCR and information extraction from receipts remains challenging, particularly for complex scripts like Arabic. We introduce \dataset, a comprehensive dataset designed for Arabic-English receipt understanding comprising 20,000…

A Kannada OCR, named Lipi Gnani, has been designed and developed from scratch, with the motivation of it being able to convert printed text or poetry in Kannada script, without any restriction on vocabulary. The training and test sets have…

计算机视觉与模式识别 · 计算机科学 2019-01-03 Shiva Kumar H R , Ramakrishnan A G

Paper-intensive industries like insurance, law, and government have long leveraged optical character recognition (OCR) to automatically transcribe hordes of scanned documents into text strings for downstream processing. Even in 2019, there…

计算机视觉与模式识别 · 计算机科学 2020-01-17 W. Ronny Huang , Yike Qi , Qianqian Li , Jonathan Degange

Segmentation is a fundamental step for most Natural Language Processing tasks. The Kurdish language is a multi-dialect, under-resourced language which is written in different scripts. The lack of various segmented corpora is one of the…

计算与语言 · 计算机科学 2020-05-01 Roshna Omer Abdulrahman , Hossein Hassani

Diacritic characters can be considered as a unique set of characters providing us with adequate and significant clue in identifying a given language with considerably high accuracy. Diacritics, though associated with phonetics often serve…

计算机视觉与模式识别 · 计算机科学 2021-12-07 Shubham Vatsal , Nikhil Arora , Gopi Ramena , Sukumar Moharana , Dhruval Jain , Naresh Purre , Rachit S Munjal

Machine translation is the task of translating texts from one language to another using computers. It has been one of the major tasks in natural language processing and computational linguistics and has been motivating to facilitate human…

计算与语言 · 计算机科学 2020-10-14 Sina Ahmadi , Mariam Masoud