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Optical Character Recognition (OCR), the task of extracting textual information from scanned documents is a vital and broadly used technology for digitizing and indexing physical documents. Existing technologies perform well for clean…

Computer Vision and Pattern Recognition · Computer Science 2022-05-18 Daniel Rotman , Ophir Azulai , Inbar Shapira , Yevgeny Burshtein , Udi Barzelay

Detection and recognition of text from scans and other images, commonly denoted as Optical Character Recognition (OCR), is a widely used form of automated document processing with a number of methods available. Yet OCR systems still do not…

Computer Vision and Pattern Recognition · Computer Science 2023-01-24 Krzysztof Olejniczak , Milan Šulc

We present a novel deep neural model for text detection in document images. For robust text detection in noisy scanned documents, the advantages of multi-task learning are adopted by adding an auxiliary task of text enhancement. Namely, our…

Computer Vision and Pattern Recognition · Computer Science 2021-06-11 Eun-Soo Jung , HyeongGwan Son , Kyusam Oh , Yongkeun Yun , Soonhwan Kwon , Min Soo Kim

Vision-language datasets are vital for both text-to-image (T2I) and image-to-text (I2T) research. However, current datasets lack descriptions with fine-grained detail that would allow for richer associations to be learned by models. To fill…

Computer Vision and Pattern Recognition · Computer Science 2024-05-01 Yasumasa Onoe , Sunayana Rane , Zachary Berger , Yonatan Bitton , Jaemin Cho , Roopal Garg , Alexander Ku , Zarana Parekh , Jordi Pont-Tuset , Garrett Tanzer , Su Wang , Jason Baldridge

The Multi-language Video Subtitle Dataset is a comprehensive collection designed to support research in text recognition across multiple languages. This dataset includes 4,224 subtitle images extracted from 24 videos sourced from online…

Computer Vision and Pattern Recognition · Computer Science 2024-11-11 Thanadol Singkhornart , Olarik Surinta

Since the low quality of document images will greatly undermine the chances of success in automatic text recognition and analysis, it is necessary to assess the quality of document images uploaded in online business process, so as to reject…

Computer Vision and Pattern Recognition · Computer Science 2019-06-06 Hongyu Li , Fan Zhu , Junhua Qiu

Digitized documents such as scientific articles, tax forms, invoices, contract papers, historic texts are widely used nowadays. These document images could be degraded or damaged due to various reasons including poor lighting conditions,…

Computer Vision and Pattern Recognition · Computer Science 2022-01-04 Zahra Anvari , Vassilis Athitsos

We introduce Chinese Text in the Wild, a very large dataset of Chinese text in street view images. While optical character recognition (OCR) in document images is well studied and many commercial tools are available, detection and…

Computer Vision and Pattern Recognition · Computer Science 2018-03-02 Tai-Ling Yuan , Zhe Zhu , Kun Xu , Cheng-Jun Li , Shi-Min Hu

A large amount of annotated training images is critical for training accurate and robust deep network models but the collection of a large amount of annotated training images is often time-consuming and costly. Image synthesis alleviates…

Computer Vision and Pattern Recognition · Computer Science 2023-04-25 Changgong Zhang , Fangneng Zhan , Hongyuan Zhu , Shijian Lu

In Document Understanding, the challenge of reconstructing damaged, occluded, or incomplete text remains a critical yet unexplored problem. Subsequent document understanding tasks can benefit from a document reconstruction process. In…

Computer Vision and Pattern Recognition · Computer Science 2026-05-25 Kunal Purkayastha , Ayan Banerjee , Josep Llados , Umapada Pal

The advancement of image editing tools has enabled malicious manipulation of sensitive document images, underscoring the need for robust document image forgery detection.Though forgery detectors for natural images have been extensively…

Computer Vision and Pattern Recognition · Computer Science 2025-07-23 Kahim Wong , Jicheng Zhou , Haiwei Wu , Yain-Whar Si , Jiantao Zhou

Document comparison typically relies on optical character recognition (OCR) as its core technology. However, OCR requires the selection of appropriate language models for each document and the performance of multilingual or hybrid models…

Computer Vision and Pattern Recognition · Computer Science 2024-12-06 Doyoung Park , Naresh Reddy Yarram , Sunjin Kim , Minkyu Kim , Seongho Cho , Taehee Lee

The contribution of this paper is fourfold. The first contribution is a novel, generic method for automatic ground truth generation of camera-captured document images (books, magazines, articles, invoices, etc.). It enables us to build…

Computer Vision and Pattern Recognition · Computer Science 2016-05-05 Sheraz Ahmed , Muhammad Imran Malik , Muhammad Zeshan Afzal , Koichi Kise , Masakazu Iwamura , Andreas Dengel , Marcus Liwicki

The goal of text spotting is to perform text detection and recognition in an end-to-end manner. Although the diversity of luminosity and orientation in scene texts has been widely studied, the font diversity and shape variance of the same…

Computer Vision and Pattern Recognition · Computer Science 2023-09-01 Xixuan Hao , Aozhong Zhang , Xianze Meng , Bin Fu

This study focuses on improving the optical character recognition (OCR) data for panels in the COMICS dataset, the largest dataset containing text and images from comic books. To do this, we developed a pipeline for OCR processing and…

Computation and Language · Computer Science 2023-01-02 Gürkan Soykan , Deniz Yuret , Tevfik Metin Sezgin

Automatic document content processing is affected by artifacts caused by the shape of the paper, non-uniform and diverse color of lighting conditions. Fully-supervised methods on real data are impossible due to the large amount of data…

Computer Vision and Pattern Recognition · Computer Science 2020-12-01 Sagnik Das , Hassan Ahmed Sial , Ke Ma , Ramon Baldrich , Maria Vanrell , Dimitris Samaras

We introduce a new dataset for graphical object detection in business documents, more specifically annual reports. This dataset, IIIT-AR-13k, is created by manually annotating the bounding boxes of graphical or page objects in publicly…

Computer Vision and Pattern Recognition · Computer Science 2020-08-07 Ajoy Mondal , Peter Lipps , C. V. Jawahar

We present OCR-Quality, a comprehensive human-annotated dataset designed for evaluating and developing OCR quality assessment methods. The dataset consists of 1,000 PDF pages converted to PNG images at 300 DPI, sampled from diverse…

Computer Vision and Pattern Recognition · Computer Science 2025-10-28 Yulong Zhang

Detecting diffusion-generated images has recently grown into an emerging research area. Existing diffusion-based datasets predominantly focus on general image generation. However, facial forgeries, which pose a more severe social risk, have…

Computer Vision and Pattern Recognition · Computer Science 2024-01-30 Harry Cheng , Yangyang Guo , Tianyi Wang , Liqiang Nie , Mohan Kankanhalli

In this paper, we propose a novel approach to address the challenges of printed Urdu text recognition using high-resolution, multi-scale semantic feature extraction. Our proposed UTRNet architecture, a hybrid CNN-RNN model, demonstrates…

Computer Vision and Pattern Recognition · Computer Science 2023-08-24 Abdur Rahman , Arjun Ghosh , Chetan Arora