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Related papers: Omnifont Persian OCR System Using Primitives

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We present Multimodal OCR (MOCR), a document parsing paradigm that jointly parses text and graphics into unified textual representations. Unlike conventional OCR systems that focus on text recognition and leave graphical regions as cropped…

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

OCR (Optical Character Recognition) is a technology that offers comprehensive alphanumeric recognition of handwritten and printed characters at electronic speed by merely scanning the document. Recently, the understanding of visual data has…

Computer Vision and Pattern Recognition · Computer Science 2023-07-12 Atman Mishra , A. Sharath Ram , Kavyashree C

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…

Computation and Language · Computer Science 2020-05-01 Roshna Omer Abdulrahman , Hossein Hassani

This technical report presents the 600K-KS-OCR Dataset, a large-scale synthetic corpus comprising approximately 602,000 word-level segmented images designed for training and evaluating optical character recognition systems targeting…

Computer Vision and Pattern Recognition · Computer Science 2026-01-06 Haq Nawaz Malik

Online Arabic cursive character recognition is still a big challenge due to the existing complexities including Arabic cursive script styles, writing speed, writer mood and so forth. Due to these unavoidable constraints, the accuracy of…

Computer Vision and Pattern Recognition · Computer Science 2021-01-18 Amjad Rehman

Automatic spelling correction stands as a pivotal challenge within the ambit of natural language processing (NLP), demanding nuanced solutions. Traditional spelling correction techniques are typically only capable of detecting and…

Computation and Language · Computer Science 2024-07-23 Seyed Mohammad Sadegh Dashti , Amid Khatibi Bardsiri , Mehdi Jafari Shahbazzadeh

Recognizing fonts has become an important task in document analysis, due to the increasing number of available digital documents in different fonts and emphases. A generic font-recognition system independent of language, script and content…

Computer Vision and Pattern Recognition · Computer Science 2014-07-11 Alican Bozkurt , Pinar Duygulu , A. Enis Cetin

The objective of the paper is to recognize handwritten samples of lower case Roman script using Tesseract open source Optical Character Recognition (OCR) engine under Apache License 2.0. Handwritten data samples containing isolated and…

Computer Vision and Pattern Recognition · Computer Science 2010-03-31 Sandip Rakshit , Subhadip Basu

Large Language Models (LLMs) are now capable of generating text that closely resembles human writing, making them powerful tools for content creation, but this growing ability has also made it harder to tell whether a piece of text was…

Computation and Language · Computer Science 2025-10-21 Muhammad Ammar , Hadiya Murad Hadi , Usman Majeed Butt

In this article, we present a rule-based approach for transliterating two mostly used orthographies in Sorani Kurdish. Our work consists of detecting a character in a word by removing the possible ambiguities and mapping it into the target…

Computation and Language · Computer Science 2018-11-27 Sina Ahmadi

Kazakh is a Turkic language using the Arabic, Cyrillic, and Latin scripts, making it unique in terms of optical character recognition (OCR). Work on OCR for low-resource Kazakh scripts is very scarce, and no OCR benchmarks or images exist…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Henry Gagnier , Sophie Gagnier , Ashwin Kirubakaran

Offline Signature Verification (OSV) is a challenging pattern recognition task, especially when it is expected to generalize well on the skilled forgeries that are not available during the training. Its challenges also include small…

Computer Vision and Pattern Recognition · Computer Science 2019-08-09 Omid Mersa , Farhood Etaati , Saeed Masoudnia , Babak N. Araabi

As one of the earliest ancient languages, Oracle Bone Script (OBS) encapsulates the cultural records and intellectual expressions of ancient civilizations. Despite the discovery of approximately 4,500 OBS characters, only about 1,600 have…

Computer Vision and Pattern Recognition · Computer Science 2025-06-27 Caoshuo Li , Zengmao Ding , Xiaobin Hu , Bang Li , Donghao Luo , AndyPian Wu , Chaoyang Wang , Chengjie Wang , Taisong Jin , SevenShu , Yunsheng Wu , Yongge Liu , Rongrong Ji

Understanding humanity's earliest writing systems is crucial for reconstructing civilization's origins, yet many ancient scripts remain undeciphered. Oracle Bone Script (OBS) from China's Shang dynasty exemplifies this challenge: only…

Information Retrieval · Computer Science 2026-04-14 Yin Wu , Gangjian Zhang , Jiayu Chen , Chang Xu , Yuyu Luo , Nan Tang , Hui Xiong

Recognizing causal elements and causal relations in text is one of the challenging issues in natural language processing; specifically, in low resource languages such as Persian. In this research we prepare a causality human annotated…

Computation and Language · Computer Science 2021-06-29 Zeinab Rahimi , Mehrnoush ShamsFard

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…

Computation and Language · Computer Science 2022-01-26 Juan Ramirez-Orta , Eduardo Xamena , Ana Maguitman , Evangelos Milios , Axel J. Soto

Recognition of Persian handwritten characters has been considered as a significant field of research for the last few years under pattern analysing technique. In this paper, a new approach for robust handwritten Persian numerals recognition…

Computer Vision and Pattern Recognition · Computer Science 2014-08-18 Reza Azad , Babak Azad , Iraj Mogharreb , Shahram Jamali

In general, speech processing models consist of a language model along with an acoustic model. Regardless of the language model's complexity and variants, three critical pre-processing steps are needed in language models: cleaning,…

Audio and Speech Processing · Electrical Eng. & Systems 2021-12-16 Romina Oji , Seyedeh Fatemeh Razavi , Sajjad Abdi Dehsorkh , Alireza Hariri , Hadi Asheri , Reshad Hosseini

We present an end-to-end trainable approach for Optical Character Recognition (OCR) on printed documents. Specifically, we propose a model that predicts a) a two-dimensional character grid (\emph{chargrid}) representation of a document…

Computer Vision and Pattern Recognition · Computer Science 2020-02-28 Christian Reisswig , Anoop R Katti , Marco Spinaci , Johannes Höhne