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Large Multimodal Models (LMMs) have recently shown strong performance on Optical Character Recognition (OCR) tasks, demonstrating their promising capability in document literacy. However, their effectiveness in real-world applications…

Computation and Language · Computer Science 2026-05-06 Zhipeng Xu , Junhao Ji , Zulong Chen , Zhenghao Liu , Qing Liu , Chunyi Peng , Zubao Qin , Ze Xu , Jianqiang Wan , Jun Tang , Zhibo Yang , Shuai Bai , Dayiheng Liu

Digitization of medical records often relies on smartphone photographs of printed reports, producing images degraded by blur, shadows, and other noise. Conventional OCR systems, optimized for clean scans, perform poorly under such…

Information Retrieval · Computer Science 2025-11-18 Nikita Neveditsin , Pawan Lingras , Salil Patil , Swarup Patil , Vijay Mago

We propose a post-OCR text correction approach for digitising texts in Romanised Sanskrit. Owing to the lack of resources our approach uses OCR models trained for other languages written in Roman. Currently, there exists no dataset…

Computation and Language · Computer Science 2018-09-10 Amrith Krishna , Bodhisattwa Prasad Majumder , Rajesh Shreedhar Bhat , Pawan Goyal

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

This paper describes a dataset containing small images of text from everyday scenes. The purpose of the dataset is to support the development of new automated systems that can detect and analyze text. Although much research has been devoted…

Computer Vision and Pattern Recognition · Computer Science 2016-10-21 Ahmed Ibrahim , A. Lynn Abbott , Mohamed E. Hussein

Real-world applications of computer vision in the humanities require algorithms to be robust against artistic abstraction, peripheral objects, and subtle differences between fine-grained target classes. Existing datasets provide…

Computer Vision and Pattern Recognition · Computer Science 2025-07-14 Mathias Zinnen , Prathmesh Madhu , Inger Leemans , Peter Bell , Azhar Hussian , Hang Tran , Ali Hürriyetoğlu , Andreas Maier , Vincent Christlein

An automatic document classification system is presented that detects textual content in images and classifies documents into four predefined categories (Invoice, Report, Letter, and Form). The system supports both offline images (e.g.,…

Computer Vision and Pattern Recognition · Computer Science 2025-10-16 Aya Kaysan Bahjat

Reliable depth estimation under real optical conditions remains a core challenge for camera vision in systems such as autonomous robotics and augmented reality. Despite recent progress in depth estimation and depth-of-field rendering,…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Nisarg K. Trivedi , Vinayak A. Belludi , Li-Yun Wang

We present \textbf{LightOnOCR-2-1B}, a 1B-parameter end-to-end multilingual vision--language model that converts document images (e.g., PDFs) into clean, naturally ordered text without brittle OCR pipelines. Trained on a large-scale,…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Said Taghadouini , Adrien Cavaillès , Baptiste Aubertin

Vehicle information recognition is crucial in various practical domains, particularly in criminal investigations. Vehicle Color Recognition (VCR) has garnered significant research interest because color is a visually distinguishable…

Computer Vision and Pattern Recognition · Computer Science 2024-10-22 Gabriel E. Lima , Rayson Laroca , Eduardo Santos , Eduil Nascimento , David Menotti

Computer vision-based deep learning object detection algorithms have been developed sufficiently powerful to support the ability to recognize various objects. Although there are currently general datasets for object detection, there is…

Computer Vision and Pattern Recognition · Computer Science 2023-05-18 Rui Duan , Hui Deng , Mao Tian , Yichuan Deng , Jiarui Lin

Diacritic characters can be considered as a unique set of characters providing us with adequate and significant clue in identifying a given language with considerably high accuracy. Diacritics, though associated with phonetics often serve…

Computer Vision and Pattern Recognition · Computer Science 2021-12-07 Shubham Vatsal , Nikhil Arora , Gopi Ramena , Sukumar Moharana , Dhruval Jain , Naresh Purre , Rachit S Munjal

Micromobility is a growing mode of transportation, raising new challenges for traffic safety and planning due to increased interactions in areas where vulnerable road users (VRUs) share the infrastructure with micromobility, including…

Computer Vision and Pattern Recognition · Computer Science 2026-03-20 Alexander Rasch , Rahul Rajendra Pai

Neural Radiance Fields (NeRF) has achieved impressive results in single object scene reconstruction and novel view synthesis, which have been demonstrated on many single modality and single object focused indoor scene datasets like DTU,…

Computer Vision and Pattern Recognition · Computer Science 2023-01-18 Chongshan Lu , Fukun Yin , Xin Chen , Tao Chen , Gang YU , Jiayuan Fan

RGB-D data is essential for solving many problems in computer vision. Hundreds of public RGB-D datasets containing various scenes, such as indoor, outdoor, aerial, driving, and medical, have been proposed. These datasets are useful for…

Computer Vision and Pattern Recognition · Computer Science 2022-08-10 Alexandre Lopes , Roberto Souza , Helio Pedrini

Nowdays, most datasets used to train and evaluate super-resolution models are single-modal simulation datasets. However, due to the variety of image degradation types in the real world, models trained on single-modal simulation datasets do…

Image and Video Processing · Electrical Eng. & Systems 2020-04-14 Haoran Li , Weihong Quan , Meijun Yan , Jin zhang , Xiaoli Gong , Jin Zhou

Recently, ocular biometrics in unconstrained environments using images obtained at visible wavelength have gained the researchers' attention, especially with images captured by mobile devices. Periocular recognition has been demonstrated to…

Computer Vision and Pattern Recognition · Computer Science 2022-11-16 Luiz A. Zanlorensi , Rayson Laroca , Diego R. Lucio , Lucas R. Santos , Alceu S. Britto , David Menotti

Classification of document images is a critical step for archival of old manuscripts, online subscription and administrative procedures. Computer vision and deep learning have been suggested as a first solution to classify documents based…

Computer Vision and Pattern Recognition · Computer Science 2019-07-16 Nicolas Audebert , Catherine Herold , Kuider Slimani , Cédric Vidal

We have benchmarked the maximum obtainable recognition accuracy on various word image datasets using manual segmentation and a currently available commercial OCR. We have developed a Matlab program, with graphical user interface, for…

Computer Vision and Pattern Recognition · Computer Science 2012-08-31 Deepak Kumar , M N Anil Prasad , A G Ramakrishnan

The digitization of historical documents is crucial for preserving the cultural heritage of the society. An important step in this process is converting scanned images to text using Optical Character Recognition (OCR), which can enable…

Computation and Language · Computer Science 2024-09-04 Angel Beshirov , Milena Dobreva , Dimitar Dimitrov , Momchil Hardalov , Ivan Koychev , Preslav Nakov