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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

This study investigates the potential of Large Language Models (LLMs), particularly GPT-4o, for Optical Character Recognition (OCR) in low-resource scripts such as Urdu, Albanian, and Tajik, with English serving as a benchmark. Using a…

Machine Learning · Computer Science 2024-12-23 Muhammad Abdullah Sohail , Salaar Masood , Hamza Iqbal

In this paper we study the recognition of handwritten characters from data captured by a novel wearable electro-textile sensor panel. The data is collected sequentially, such that we record both the stroke order and the resulting bitmap. We…

Computer Vision and Pattern Recognition · Computer Science 2020-08-07 Leevi Raivio , Han He , Johanna Virkki , Heikki Huttunen

Object detection, one of the three main tasks of computer vision, has been used in various applications. The main process is to use deep neural networks to extract the features of an image and then use the features to identify the class and…

Computer Vision and Pattern Recognition · Computer Science 2022-12-14 Wenshuo Li

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…

This paper presents a comparative analysis of Large Language Models (LLMs) and traditional Optical Character Recognition (OCR) systems on Urdu newspapers, addressing challenges posed by complex multi-column layouts, low-resolution scans,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-05 Samee Arif , Sualeha Farid

Feature description is one of the most frequently studied areas in the expert systems and machine learning. Effective encoding of the images is an essential requirement for accurate matching. These encoding schemes play a significant role…

Computer Vision and Pattern Recognition · Computer Science 2022-01-04 Soumendu Chakraborty , Satish Kumar Singh , Pavan Chakraborty

In this paper, we introduce the first phase of a new dataset for offline Arabic handwriting recognition. The aim is to collect a very large dataset of isolated Arabic words that covers all letters of the alphabet in all possible shapes…

Computer Vision and Pattern Recognition · Computer Science 2014-11-19 Mohamed E. Hussein , Marwan Torki , Ahmed Elsallamy , Mahmoud Fayyaz

Bangla Handwritten Digit recognition is a significant step forward in the development of Bangla OCR. However, intricate shape, structural likeness and distinctive composition style of Bangla digits makes it relatively challenging to…

Computer Vision and Pattern Recognition · Computer Science 2022-01-26 Md. Ferdous Wahid , Md. Fahim Shahriar , Md. Shohanur Islam Sobuj

Handwritten Text Recognition (HTR) under limited labeled data remains a challenging problem, particularly for Arabic-script languages. Although modern sequence-based recognizers perform well in high-resource settings, their accuracy…

Computer Vision and Pattern Recognition · Computer Science 2026-05-05 Sana Al-azzawi , Elisa Barney , Marcus Liwicki

Optical Coherence Tomography allows ophthalmologist to obtain cross-section imaging of eye retina. Assisted with digital image analysis methods, effective disease detection could be performed. Various methods exist to extract feature from…

Computer Vision and Pattern Recognition · Computer Science 2018-09-11 Kuntoro Adi Nugroho

Zero-shot Handwritten Chinese Character Recognition (HCCR) aims to recognize unseen characters by leveraging radical-based semantic compositions. However, existing approaches often treat characters as flat radical sequences, neglecting the…

Computer Vision and Pattern Recognition · Computer Science 2026-02-11 Qiuming Luo , Tao Zeng , Feng Li , Heming Liu , Rui Mao , Chang Kong

An Automatic License Plate Recognition (ALPR) system constitutes a crucial element in an intelligent traffic management system. However, the detection of Bangla license plates remains challenging because of the complicated character scheme…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Nayeb Hasin , Md. Arafath Rahman Nishat , Mainul Islam , Khandakar Shakib Al Hasan , Asif Newaz

Hierarchical classification is a crucial task in many applications, where objects are organized into multiple levels of categories. However, conventional classification approaches often neglect inherent inter-class relationships at…

Computer Vision and Pattern Recognition · Computer Science 2025-10-02 Julius Ott , Nastassia Vysotskaya , Huawei Sun , Lorenzo Servadei , Robert Wille

The Ubicomp Digital 2020 -- Time Series Classification Challenge from STABILO is a challenge about multi-variate time series classification. The data collected from 100 volunteer writers, and contains 15 features measured with multiple…

Machine Learning · Computer Science 2020-08-05 Wei-Cheng Lai , Hendrik Schröter

Object detection is a challenging task in remote sensing because objects only occupy a few pixels in the images, and the models are required to simultaneously learn object locations and detection. Even though the established approaches well…

Computer Vision and Pattern Recognition · Computer Science 2022-02-16 Pourya Shamsolmoali , Jocelyn Chanussot , Masoumeh Zareapoor , Huiyu Zhou , Jie Yang

The recent progress in sparse coding and deep learning has made unsupervised feature learning methods a strong competitor to hand-crafted descriptors. In computer vision, success stories of learned features have been predominantly reported…

Computer Vision and Pattern Recognition · Computer Science 2014-08-14 Wenbin Li , Mario Fritz

This study attempts to provide explanations, descriptions and evaluations of some most popular and current combinations of description and descriptor frameworks, namely SIFT, SURF, MSER, and BRISK for keypoint extractors and SIFT, SURF,…

Computer Vision and Pattern Recognition · Computer Science 2018-05-03 Novanto Yudistira , Achmad Ridok , Ali Fauzi

The approximation of nonlinear kernels via linear feature maps has recently gained interest due to their applications in reducing the training and testing time of kernel-based learning algorithms. Current random projection methods avoid the…

Computer Vision and Pattern Recognition · Computer Science 2016-02-05 A. G. Chung , M. J. Shafiee , A. Wong

Increased accuracy in predictive models for handwritten character recognition will open up new frontiers for optical character recognition. Major drawbacks of predictive machine learning models are headed by the elongated training time…

Computer Vision and Pattern Recognition · Computer Science 2017-07-27 Abdul Kawsar Tushar , Akm Ashiquzzaman , Afia Afrin , Md. Rashedul Islam