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Purpose: The purpose of this study was to develop and evaluate rule-based algorithms to enhance the extraction of text data, including retinal nerve fiber layer (RNFL) values and other ganglion cell count (GCC) data, from Zeiss Cirrus…

Image and Video Processing · Electrical Eng. & Systems 2023-08-22 Iyad Majid , Youchen Victor Zhang , Robert Chang , Sophia Y. Wang

This paper contributes a new large-scale dataset for weakly supervised cross-media retrieval, named Twitter100k. Current datasets, such as Wikipedia, NUS Wide and Flickr30k, have two major limitations. First, these datasets are lacking in…

Computer Vision and Pattern Recognition · Computer Science 2017-03-21 Yuting Hu , Liang Zheng , Yi Yang , Yongfeng Huang

We study the problem of extracting text instance contour information from images and use it to assist scene text detection. We propose a novel and effective framework for this and experimentally demonstrate that: (1) A CNN that can be…

Computer Vision and Pattern Recognition · Computer Science 2018-12-04 Dafang He , Xiao Yang , Daniel Kifer , C. Lee Giles

Optical character recognition (OCR) methods have been applied to diverse tasks, e.g., street view text recognition and document analysis. Recently, zero-shot OCR has piqued the interest of the research community because it considers a…

Computer Vision and Pattern Recognition · Computer Science 2023-08-02 Xiaolei Diao , Daqian Shi , Jian Li , Lida Shi , Mingzhe Yue , Ruihua Qi , Chuntao Li , Hao Xu

Scene text recognition has made significant progress in recent years and has become an important part of the work-flow. The widespread use of mobile devices opens up wide possibilities for using OCR technologies in everyday life. However,…

Computer Vision and Pattern Recognition · Computer Science 2021-09-03 Nathan Zachary , Gerald Carl , Russell Elijah , Hessi Roma , Robert Leer , James Amelia

In a world of digitization, optical character recognition holds the automation to written history. Optical character recognition system basically converts printed images into editable texts for better storage and usability. To be completely…

Computer Vision and Pattern Recognition · Computer Science 2021-01-06 Abu Saleh Md. Abir , Sanjana Rahman , Samia Ellin , Maisha Farzana , Md Hridoy Manik , Chowdhury Rafeed Rahman

This work explores how to fine-tune large language models using prompt engineering techniques with contextual information for generating an accurate text description of the full story, ready to be forwarded to off-the-shelve speech…

Artificial Intelligence · Computer Science 2024-09-11 Christophe Rigaud , Jean-Christophe Burie , Samuel Petit

We present TextMonkey, a large multimodal model (LMM) tailored for text-centric tasks. Our approach introduces enhancement across several dimensions: By adopting Shifted Window Attention with zero-initialization, we achieve cross-window…

Computer Vision and Pattern Recognition · Computer Science 2024-03-18 Yuliang Liu , Biao Yang , Qiang Liu , Zhang Li , Zhiyin Ma , Shuo Zhang , Xiang Bai

Text Spotting in the wild consists of detecting and recognizing text appearing in images (e.g. signboards, traffic signals or brands in clothing or objects). This is a challenging problem due to the complexity of the context where texts…

Computer Vision and Pattern Recognition · Computer Science 2020-04-23 Ahmed Sabir , Francesc Moreno-Noguer , Lluís Padró

Object Recognition and Document Skew Estimation have come a long way in terms of performance and efficiency. New models follow one of two directions: improving performance using larger models, and improving efficiency using smaller models.…

Computer Vision and Pattern Recognition · Computer Science 2025-09-09 Lucas Wojcik , Luiz Coelho , Roger Granada , David Menotti

Furigana are pronunciation notes used in Japanese writing. Being able to detect these can help improve optical character recognition (OCR) performance or make more accurate digital copies of Japanese written media by correctly displaying…

Computer Vision and Pattern Recognition · Computer Science 2022-07-11 Nikolaj Kjøller Bjerregaard , Veronika Cheplygina , Stefan Heinrich

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…

Computer Vision and Pattern Recognition · Computer Science 2025-06-16 Rasha Sinha , Rekha B S

Optical Character Recognition (OCR) is an established task with the objective of identifying the text present in an image. While many off-the-shelf OCR models exist, they are often trained for either scientific (e.g., formulae) or generic…

Computation and Language · Computer Science 2024-03-26 Nan Zhang , Connor Heaton , Sean Timothy Okonsky , Prasenjit Mitra , Hilal Ezgi Toraman

Optical character recognition (OCR) is a vital process that involves the extraction of handwritten or printed text from scanned or printed images, converting it into a format that can be understood and processed by machines. This enables…

Computer Vision and Pattern Recognition · Computer Science 2023-12-20 Mahmoud SalahEldin Kasem , Mohamed Mahmoud , Hyun-Soo Kang

Detecting and recognizing text in natural scene images is a challenging, yet not completely solved task. In re- cent years several new systems that try to solve at least one of the two sub-tasks (text detection and text recognition) have…

Computer Vision and Pattern Recognition · Computer Science 2017-07-28 Christian Bartz , Haojin Yang , Christoph Meinel

Optical Character Recognition (OCR) is the process of extracting digitized text from images of scanned documents. While OCR systems have already matured in many languages, they still have shortcomings in cursive languages with overlapping…

Computer Vision and Pattern Recognition · Computer Science 2020-09-22 Hussein Osman , Karim Zaghw , Mostafa Hazem , Seifeldin Elsehely

With the growth of digitized comics, image understanding techniques are becoming important. In this paper, we focus on object detection, which is a fundamental task of image understanding. Although convolutional neural networks (CNN)-based…

Computer Vision and Pattern Recognition · Computer Science 2018-03-28 Toru Ogawa , Atsushi Otsubo , Rei Narita , Yusuke Matsui , Toshihiko Yamasaki , Kiyoharu Aizawa

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

Real-world text image super-resolution aims to restore overall visual quality and text legibility in images suffering from diverse degradations and text distortions. However, the scarcity of text image data in existing datasets results in…

Computer Vision and Pattern Recognition · Computer Science 2026-01-27 Haodong He , Xin Zhan , Yancheng Bai , Rui Lan , Lei Sun , Xiangxiang Chu

Existing text recognition methods usually need large-scale training data. Most of them rely on synthetic training data due to the lack of annotated real images. However, there is a domain gap between the synthetic data and real data, which…

Computer Vision and Pattern Recognition · Computer Science 2023-03-03 Mingkun Yang , Minghui Liao , Pu Lu , Jing Wang , Shenggao Zhu , Hualin Luo , Qi Tian , Xiang Bai