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In the field of scene text spotting, previous OCR methods primarily relied on image encoders and pre-trained text information, but they often overlooked the advantages of incorporating human language instructions. To address this gap, we…

Computer Vision and Pattern Recognition · Computer Science 2025-01-14 Chen Duan , Qianyi Jiang , Pei Fu , Jiamin Chen , Shengxi Li , Zining Wang , Shan Guo , Junfeng Luo

In this paper we introduce a method that significantly reduces the character error rates for OCR text obtained from OCRopus models trained on early printed books. The method uses a combination of cross fold training and confidence based…

Computer Vision and Pattern Recognition · Computer Science 2018-07-25 Christian Reul , Uwe Springmann , Christoph Wick , Frank Puppe

This report explores the latest advances in the field of digital document recognition. With the focus on printed document imagery, we discuss the major developments in optical character recognition (OCR) and document image…

Computer Vision and Pattern Recognition · Computer Science 2014-12-16 Eugene Borovikov

Optical character recognition (OCR) is a process of converting analogue documents into digital using document images. Currently, many commercial and non-commercial OCR systems exist for both handwritten and printed copies for different…

Computer Vision and Pattern Recognition · Computer Science 2021-05-11 Farisa Benta Safir , Abu Quwsar Ohi , M. F. Mridha , Muhammad Mostafa Monowar , Md. Abdul Hamid

Linked Data is used in various fields as a new way of structuring and connecting data. Cultural heritage institutions have been using linked data to improve archival descriptions and facilitate the discovery of information. Most archival…

Computer Vision and Pattern Recognition · Computer Science 2023-11-28 Mariana Dias , Carla Teixeira Lopes

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

This paper presents our methodology and findings from three tasks across Optical Character Recognition (OCR) and Document Layout Analysis using advanced deep learning techniques. First, for the historical Hebrew fragments of the Dead Sea…

Computer Vision and Pattern Recognition · Computer Science 2025-08-15 Hylke Westerdijk , Ben Blankenborg , Khondoker Ittehadul Islam

State-of-the-art approaches to spelling error correction problem include Transformer-based Seq2Seq models, which require large training sets and suffer from slow inference time; and sequence labeling models based on Transformer encoders…

Computation and Language · Computer Science 2021-09-30 Mengyi Gao , Canran Xu , Peng Shi

In this paper, we evaluate state-of-the-art OCR methods on Egocentric data. We annotate text in EPIC-KITCHENS images, and demonstrate that existing OCR methods struggle with rotated text, which is frequently observed on objects being…

Computer Vision and Pattern Recognition · Computer Science 2022-06-14 Valentin Popescu , Dima Damen , Toby Perrett

Optical Character Recognition (OCR) has many real world applications. The existing methods normally detect where the characters are, and then recognize the character for each detected location. Thus the accuracy of characters recognition is…

Computer Vision and Pattern Recognition · Computer Science 2020-12-04 Baohua Sun , Michael Lin , Hao Sha , Lin Yang

This paper proposes a new method, OFA-OCR, to transfer multimodal pretrained models to text recognition. Specifically, we recast text recognition as image captioning and directly transfer a unified vision-language pretrained model to the…

Computer Vision and Pattern Recognition · Computer Science 2022-12-20 Junyang Lin , Xuancheng Ren , Yichang Zhang , Gao Liu , Peng Wang , An Yang , Chang Zhou

Despite the ubiquity of mobile and wearable text messaging applications, the problem of keyboard text decoding is not tackled sufficiently in the light of the enormous success of the deep learning Recurrent Neural Network (RNN) and…

Computation and Language · Computer Science 2017-09-20 Shaona Ghosh , Per Ola Kristensson

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

In this study, we formulate an OCR-free sequence generation model for visual document understanding (VDU). Our model not only parses text from document images but also extracts the spatial coordinates of the text based on the multi-head…

Computer Vision and Pattern Recognition · Computer Science 2024-05-02 Yamato Okamoto , Youngmin Baek , Geewook Kim , Ryota Nakao , DongHyun Kim , Moon Bin Yim , Seunghyun Park , Bado Lee

Document alignment and registration play a crucial role in numerous real-world applications, such as automated form processing, anomaly detection, and workflow automation. Traditional methods for document alignment rely on image-based…

Computer Vision and Pattern Recognition · Computer Science 2025-05-27 Ross Greer , Alisha Ukani , Katherine Izhikevich , Earlence Fernandes , Stefan Savage , Alex C. Snoeren

The Optical Character Recognition (OCR) systems have been widely used in various of application scenarios, such as office automation (OA) systems, factory automations, online educations, map productions etc. However, OCR is still a…

Computer Vision and Pattern Recognition · Computer Science 2020-10-16 Yuning Du , Chenxia Li , Ruoyu Guo , Xiaoting Yin , Weiwei Liu , Jun Zhou , Yifan Bai , Zilin Yu , Yehua Yang , Qingqing Dang , Haoshuang Wang

Full-text error correction with Large Language Models (LLMs) for Automatic Speech Recognition (ASR) is attracting increased attention for its ability to address a wide range of error types, such as punctuation restoration and inverse text…

Computation and Language · Computer Science 2026-03-03 Zhiyuan Tang , Dong Wang , Zhikai Zhou , Yong Liu , Shen Huang , Shidong Shang

This paper discusses how to successfully digitize large-scale historical micro-data by augmenting optical character recognition (OCR) engines with pre- and post-processing methods. Although OCR software has improved dramatically in recent…

Computer Vision and Pattern Recognition · Computer Science 2023-09-21 Sergio Correia , Stephan Luck

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…

Computer Vision and Pattern Recognition · Computer Science 2026-05-28 Kaitao Jiang , Ruiyan Gong , Xiaolong Cheng , Kangning Niu , Tianlun Li , Mu Xu

Chinese Spelling Correction (CSC) commonly lacks large-scale high-quality corpora, due to the labor-intensive labeling of spelling errors in real-life human writing or typing scenarios. Two data augmentation methods are widely adopted: (1)…

Computation and Language · Computer Science 2024-07-23 Dingyao Yu , Yang An , Wei Ye , Xiongfeng Xiao , Shaoguang Mao , Tao Ge , Shikun Zhang
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