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In medieval India, the Marathi language was written using the Modi script. The texts written in Modi script include extensive knowledge about medieval sciences, medicines, land records and authentic evidence about Indian history. Around 40…

计算机视觉与模式识别 · 计算机科学 2025-03-26 Harshal Kausadikar , Tanvi Kale , Onkar Susladkar , Sparsh Mittal

Script identification plays a vital role in applications that involve handwriting and document analysis within a multi-script and multi-lingual environment. Moreover, it exhibits a profound connection with human cognition. This paper…

计算机视觉与模式识别 · 计算机科学 2024-05-30 Miguel A. Ferrer , Abhijit Das , Moises Diaz , Aythami Morales , Cristina Carmona-Duarte , Umapada Pal

Despite the significant success in the field of text recognition, complex and unsolved problems still exist in this field. In recent years, the recognition accuracy of the English language has greatly increased, while the problem of…

计算机视觉与模式识别 · 计算机科学 2019-12-04 Sergey A. Ilyuhin , Alexander V. Sheshkus , Vladimir L. Arlazarov

Feature selection and extraction plays an important role in different classification based problems such as face recognition, signature verification, optical character recognition (OCR) etc. The performance of OCR highly depends on the…

计算机视觉与模式识别 · 计算机科学 2011-07-15 Soumen Bag , Gaurav Harit

Amharic is the official language of the Federal Democratic Republic of Ethiopia. There are lots of historic Amharic and Ethiopic handwritten documents addressing various relevant issues including governance, science, religious, social…

计算机视觉与模式识别 · 计算机科学 2022-10-04 Mesay Samuel Gondere , Lars Schmidt-Thieme , Abiot Sinamo Boltena , Hadi Samer Jomaa

Handwriting recognition is of crucial importance to both Human Computer Interaction (HCI) and paperwork digitization. In the general field of Optical Character Recognition (OCR), handwritten Chinese character recognition faces tremendous…

计算机视觉与模式识别 · 计算机科学 2021-03-18 Boxiang Dong , Aparna S. Varde , Danilo Stevanovic , Jiayin Wang , Liang Zhao

Speech recognition is a fascinating process that offers the opportunity to interact and command the machine in the field of human-computer interactions. Speech recognition is a language-dependent system constructed directly based on the…

计算与语言 · 计算机科学 2021-09-28 M. F. Mridha , Abu Quwsar Ohi , Md. Abdul Hamid , Muhammad Mostafa Monowar

Industrial Retrieval-Augmented Generation (RAG) systems depend on optical character recognition (OCR) to transform visual documents into text. Existing OCR benchmarks rely on character-level metrics, which inadequately measure downstream…

计算机视觉与模式识别 · 计算机科学 2026-05-05 Lin Sun , Wang Dexian , Jingang Huang , Linglin Zhang , Change Jia , Zhengwei Cheng , Xiangzheng Zhang

Most low-resource languages do not have the necessary resources to create even a substantial monolingual corpus. These languages may often be found in government proceedings but mainly in Portable Document Format (PDF) that contains legacy…

计算与语言 · 计算机科学 2022-12-19 Charangan Vasantharajan , Laksika Tharmalingam , Uthayasanker Thayasivam

This paper discusses the challenges of optical character recognition (OCR) on natural scenes, which is harder than OCR on documents due to the wild content and various image backgrounds. We propose to uniformly use word error rates (WER) as…

计算机视觉与模式识别 · 计算机科学 2023-08-28 Mei-Yuh Hwang , Yangyang Shi , Ankit Ramchandani , Guan Pang , Praveen Krishnan , Lucas Kabela , Frank Seide , Samyak Datta , Jun Liu

In this paper we present an OCR for Handwritten Devnagari Characters. Basic symbols are recognized by neural classifier. We have used four feature extraction techniques namely, intersection, shadow feature, chain code histogram and straight…

计算机视觉与模式识别 · 计算机科学 2010-07-01 Sandhya Arora , Debotosh Bhattacharjee , Mita Nasipuri , Dipak Kumar Basu , Mahantapas Kundu

Knowledge extraction through sound is a distinctive property. Visually impaired individuals often rely solely on Braille books and audio recordings provided by NGOs. Due to limitations in these approaches, blind individuals often cannot…

声音 · 计算机科学 2025-06-19 Prateek Mehta , Anasuya Patil

Reading scene text, that is, text appearing in images, has numerous application areas, including assistive technology, search, and e-commerce. Although scene text recognition in English has advanced significantly and is often considered…

计算机视觉与模式识别 · 计算机科学 2026-04-13 Anik De , Abhirama Subramanyam Penamakuri , Rajeev Yadav , Aditya Rathore , Harshiv Shah , Devesh Sharma , Sagar Agarwal , Pravin Kumar , Anand Mishra

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…

计算机视觉与模式识别 · 计算机科学 2015-06-09 Chao Dong , Ximei Zhu , Yubin Deng , Chen Change Loy , Yu Qiao

Digit, letter and word recognition for a particular script has various applications in todays commercial contexts. Nevertheless, only a limited number of relevant studies have dealt with Persian scripts. In this paper, deep neural networks…

计算机视觉与模式识别 · 计算机科学 2020-11-17 Mehdi Bonyani , Simindokht Jahangard , Morteza Daneshmand

In this paper, we propose a data augmentation framework for Optical Character Recognition (OCR). The proposed framework is able to synthesize new viewing angles and illumination scenarios, effectively enriching any available OCR dataset.…

计算机视觉与模式识别 · 计算机科学 2022-09-30 Andreas Spruck , Maximiliane Hawesch , Anatol Maier , Christian Riess , Jürgen Seiler , André Kaup

Culture and language evolve together. The old literary form of Tamil is used commonly for writing and the contemporary colloquial Tamil is used for speaking. Human-computer interaction applications require Colloquial Tamil (CT) to make it…

音频与语音处理 · 电气工程与系统科学 2024-08-27 M. Nanmalar , P. Vijayalakshmi , T. Nagarajan

Plagiarism means taking another person's work and not giving any credit to them for it. Plagiarism is one of the most serious problems in academia and among researchers. Even though there are multiple tools available to detect plagiarism in…

计算与语言 · 计算机科学 2022-08-23 Satyajit Ghosh , Aniruddha Ghosh , Bittaswer Ghosh , Abhishek Roy

Optical Character Recognition (OCR) is a fundamental task for digitizing information, serving as a critical bridge between visual data and textual understanding. While modern Vision-Language Models (VLM) have achieved high accuracy in this…

计算机视觉与模式识别 · 计算机科学 2026-05-28 Sean Man , Gilad Deutch , Roy Ganz , Roi Ronen , Shahar Tsiper , Shai Mazor , Niv Nayman

Optical Character Recognition (OCR) is crucial to the National Library of Norway's (NLN) digitisation process as it converts scanned documents into machine-readable text. However, for the S\'ami documents in NLN's collection, the OCR…

计算与语言 · 计算机科学 2025-01-14 Tita Enstad , Trond Trosterud , Marie Iversdatter Røsok , Yngvil Beyer , Marie Roald