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Optical character recognition (OCR) is a widely used pattern recognition application in numerous domains. There are several feature-rich, general-purpose OCR solutions available for consumers, which can provide moderate to excellent…

Computer Vision and Pattern Recognition · Computer Science 2021-05-18 Ayantha Randika , Nilanjan Ray , Xiao Xiao , Allegra Latimer

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

Aligning image and text encoders from scratch using contrastive learning requires large amounts of paired image-text data. We alleviate this need by aligning individually pre-trained language and vision representation models using a much…

Computer Vision and Pattern Recognition · Computer Science 2022-08-01 Tejas Srinivasan , Xiang Ren , Jesse Thomason

Vector-quantized local features frequently used in bag-of-visual-words approaches are the backbone of popular visual recognition systems due to both their simplicity and their performance. Despite their success, bag-of-words-histograms…

Computer Vision and Pattern Recognition · Computer Science 2014-08-21 Alexander Freytag , Johannes Rühle , Paul Bodesheim , Erik Rodner , Joachim Denzler

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…

Long-term OCR services aim to provide high-quality output to their users at competitive costs. It is essential to upgrade the models because of the complex data loaded by the users. The service providers encourage the users who provide data…

Computer Vision and Pattern Recognition · Computer Science 2022-12-20 Ajoy Mondal , Rohit saluja , C. V. Jawahar

The handwriting of Chinese characters is a fundamental aspect of learning the Chinese language. Previous automated assessment methods often framed scoring as a regression problem. However, this score-only feedback lacks actionable guidance,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Chen Zheng , Yuxuan Lai , Haoyang Lu , Wentao Ma , Jitao Yang , Jian Wang

This research paper delves into the development of an Optical Character Recognition (OCR) system for the recognition of Ashokan Brahmi characters using Convolutional Neural Networks. It utilizes a comprehensive dataset of character images…

Computer Vision and Pattern Recognition · Computer Science 2025-01-07 Yash Agrawal , Srinidhi Balasubramanian , Rahul Meena , Rohail Alam , Himanshu Malviya , Rohini P

Handwritten Text Recognition (HTR) remains a challenging problem to date, largely due to the varying writing styles that exist amongst us. Prior works however generally operate with the assumption that there is a limited number of styles,…

Computer Vision and Pattern Recognition · Computer Science 2021-04-06 Ayan Kumar Bhunia , Shuvozit Ghose , Amandeep Kumar , Pinaki Nath Chowdhury , Aneeshan Sain , Yi-Zhe Song

Transliteration has emerged as a promising means to bridge the gap between various languages in multilingual NLP, showing promising results especially for languages using non-Latin scripts. We investigate the degree to which shared script,…

Computation and Language · Computer Science 2026-03-25 Haeji Jung , Jinju Kim , Kyungjin Kim , Youjeong Roh , David R. Mortensen

Representation learning plays a central role in structuring internal embeddings to capture the statistical properties of language, influencing the coherence and contextual consistency of generated text. Statistical Coherence Alignment is…

Computation and Language · Computer Science 2025-08-11 Jonathan Gale , Godfrey Aldington , Harriet Thistlewood , Thomas Tattershall , Basil Wentworth , Vincent Enoasmo

Assessing communication and collaboration at scale depends on a labor-intensive task of coding communication data into categories according to different frameworks. Prior research has established that ChatGPT can be directly instructed with…

Computation and Language · Computer Science 2026-05-19 Jiangang Hao , Wenju Cui , Patrick Kyllonen , Emily Kerzabi

This paper focuses on the problem of script identification in scene text images. Facing this problem with state of the art CNN classifiers is not straightforward, as they fail to address a key characteristic of scene text instances: their…

Computer Vision and Pattern Recognition · Computer Science 2017-02-02 Lluis Gomez , Anguelos Nicolaou , Dimosthenis Karatzas

Handwritten character recognition (HCR) remains a challenging pattern recognition problem despite decades of research, and lacks research on script independent recognition techniques. {\color{black}This is mainly because of similar…

Computer Vision and Pattern Recognition · Computer Science 2025-01-03 Vinod Kumar Chauhan , Sukhdeep Singh , Anuj Sharma

This paper studies the compact coding approach to approximate nearest neighbor search. We introduce a composite quantization framework. It uses the composition of several ($M$) elements, each of which is selected from a different…

Computer Vision and Pattern Recognition · Computer Science 2017-12-05 Jingdong Wang , Ting Zhang

Searching for all occurrences of a pattern in a text is a fundamental problem in computer science with applications in many other fields, like natural language processing, information retrieval and computational biology. Sampled string…

Data Structures and Algorithms · Computer Science 2019-08-19 Simone Faro , Arianna Pavone , Francesco Pio Marino

Chinese is one of the most widely used languages in the world, yet online handwritten Chinese character recognition (OLHCCR) remains challenging. To recognize Chinese characters, one popular choice is to adopt the 2D convolutional neural…

Computer Vision and Pattern Recognition · Computer Science 2020-04-21 Ji Gan , Weiqiang Wang , Ke Lu

Open-vocabulary human-object interaction (HOI) detection requires recognizing interaction phrases that may not appear as annotated categories during training. Recent vision-language HOI detectors improve semantic transfer by matching…

Computer Vision and Pattern Recognition · Computer Science 2026-05-27 Minh Anh Nguyen , Quang Huy Tran , Bao Ngoc Le , SuiYang Guang , Tuan Kiet Pham , Linh Chi Vo

Composed Image Retrieval (CIR) is a complex task that aims to retrieve images based on a multimodal query. Typical training data consists of triplets containing a reference image, a textual description of desired modifications, and the…

Computer Vision and Pattern Recognition · Computer Science 2025-03-26 Chuong Huynh , Jinyu Yang , Ashish Tawari , Mubarak Shah , Son Tran , Raffay Hamid , Trishul Chilimbi , Abhinav Shrivastava

Orthographic similarities across languages provide a strong signal for probabilistic decipherment, especially for closely related language pairs. The existing decipherment models, however, are not well-suited for exploiting these…

Computation and Language · Computer Science 2015-08-11 Iftekhar Naim , Daniel Gildea