中文
相关论文

相关论文: Omnifont Persian OCR System Using Primitives

200 篇论文

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

Detection and recognition of text from scans and other images, commonly denoted as Optical Character Recognition (OCR), is a widely used form of automated document processing with a number of methods available. Yet OCR systems still do not…

计算机视觉与模式识别 · 计算机科学 2023-01-24 Krzysztof Olejniczak , Milan Šulc

Despite the widespread use of the Persian language by millions globally, limited efforts have been made in natural language processing for this language. The use of large language models as effective tools in various natural language…

计算与语言 · 计算机科学 2023-12-27 Mohammad Amin Abbasi , Arash Ghafouri , Mahdi Firouzmandi , Hassan Naderi , Behrouz Minaei Bidgoli

Oracle bone inscriptions (OBIs) are the earliest known form of Chinese characters and serve as a valuable resource for research in anthropology and archaeology. However, most excavated fragments are severely degraded due to thousands of…

计算机视觉与模式识别 · 计算机科学 2025-04-21 Jinhao Li , Zijian Chen , Tingzhu Chen , Zhiji Liu , Changbo Wang

In this paper, we propose a novel approach to address the challenges of printed Urdu text recognition using high-resolution, multi-scale semantic feature extraction. Our proposed UTRNet architecture, a hybrid CNN-RNN model, demonstrates…

计算机视觉与模式识别 · 计算机科学 2023-08-24 Abdur Rahman , Arjun Ghosh , Chetan Arora

Retrieving accurate details from documents is a crucial task, especially when handling a combination of scanned images and native digital formats. This document presents a combined framework for text extraction that merges Optical Character…

计算机视觉与模式识别 · 计算机科学 2025-06-16 Rasha Sinha , Rekha B S

Billions of public domain documents remain trapped in hard copy or lack an accurate digitization. Modern natural language processing methods cannot be used to index, retrieve, and summarize their texts; conduct computational textual…

计算机视觉与模式识别 · 计算机科学 2023-10-17 Tom Bryan , Jacob Carlson , Abhishek Arora , Melissa Dell

Although Automatic Speech Recognition (ASR) systems have become an integral part of modern technology, their evaluation remains challenging, particularly for low-resource languages such as Persian. This paper introduces Persian Speech…

音频与语音处理 · 电气工程与系统科学 2025-05-28 Nima Sedghiyeh , Sara Sadeghi , Reza Khodadadi , Farzin Kashani , Omid Aghdaei , Somayeh Rahimi , Mohammad Sadegh Safari

Transliteration involves transformation of one script to another based on phonetic similarities between the characters of two distinctive scripts. In this paper, we present a novel technique for automatic transliteration of Devanagari…

计算机视觉与模式识别 · 计算机科学 2020-09-29 Jasmine Kaur , Vinay Kumar

In the present work, we have used Tesseract 2.01 open source Optical Character Recognition (OCR) Engine under Apache License 2.0 for recognition of handwriting samples of lower case Roman script. Handwritten isolated and free-flow text…

计算机视觉与模式识别 · 计算机科学 2010-03-31 Sandip Rakshit , Subhadip Basu

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…

计算机视觉与模式识别 · 计算机科学 2021-05-11 Julian D. Gilbey , Carola-Bibiane Schönlieb

Digital humanities are significantly transforming how Egyptologists study ancient Egyptian texts. The OCR-PT-CT project proposes a recognition method for hieroglyphs based on images of Coffin Texts (CT) from Adriaan de Buck (1935-1961) and…

Text recognition is a major computer vision task with a big set of associated challenges. One of those traditional challenges is the coupled nature of text recognition and segmentation. This problem has been progressively solved over the…

计算机视觉与模式识别 · 计算机科学 2020-06-16 Mohamed Yousef , Tom E. Bishop

Extracting fine-grained OCR text from aged documents in diacritic languages remains challenging due to unexpected artifacts, time-induced degradation, and lack of datasets. While standalone spell correction approaches have been proposed,…

计算与语言 · 计算机科学 2025-02-28 Thao Do , Dinh Phu Tran , An Vo , Daeyoung Kim

In this work we propose an OCR scheme for manuscripts printed in Rashi font that is an ancient Hebrew font and corresponding dialect used in religious Jewish literature, for more than 600 years. The proposed scheme utilizes a convolution…

计算机视觉与模式识别 · 计算机科学 2020-02-25 Shahar Mahpod , Yosi Keller

Optical character recognition (OCR) is crucial for a deeper access to historical collections. OCR needs to account for orthographic variations, typefaces, or language evolution (i.e., new letters, word spellings), as the main source of…

计算与语言 · 计算机科学 2021-02-02 Lijun Lyu , Maria Koutraki , Martin Krickl , Besnik Fetahu

The problem of optical character recognition, OCR, has been widely discussed in the literature. Having a hand-written text, the program aims at recognizing the text. Even though there are several approaches to this issue, it is still an…

计算机视觉与模式识别 · 计算机科学 2014-11-07 Wei Wang

Recognition of historical documents is a challenging problem due to the noised, damaged characters and background. However, in Japanese historical documents, not only contains the mentioned problems, pre-modern Japanese characters were…

计算机视觉与模式识别 · 计算机科学 2019-05-15 Anh Duc Le , Tarin Clanuwat , Asanobu Kitamoto

We investigate how to train a high quality optical character recognition (OCR) model for difficult historical typefaces on degraded paper. Through extensive grid searches, we obtain a neural network architecture and a set of optimal data…

计算机视觉与模式识别 · 计算机科学 2020-08-07 Bernhard Liebl , Manuel Burghardt

We introduce ABot-OCR, an end-to-end vision-language model that transcribes a page image directly into clean Markdown in a single forward pass. By doing so, our approach completely eliminates the need for brittle modular orchestration. To…

计算机视觉与模式识别 · 计算机科学 2026-05-28 Kaitao Jiang , Ruiyan Gong , Xiaolong Cheng , Kangning Niu , Tianlun Li , Mu Xu