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Thousands of users consult digital archives daily, but the information they can access is unrepresentative of the diversity of documentary history. The sequence-to-sequence architecture typically used for optical character recognition (OCR)…

Computer Vision and Pattern Recognition · Computer Science 2024-07-29 Jacob Carlson , Tom Bryan , Melissa Dell

License plate recognition in open environments is widely applicable across various domains; however, the diversity of license plate types and imaging conditions presents significant challenges. To address the limitations encountered by CNN…

Computer Vision and Pattern Recognition · Computer Science 2025-07-24 Guangzhu Xu , Zhi Ke , Pengcheng Zuo , Bangjun Lei

Car detection is an important task that serves as a crucial prerequisite for many automated driving functions. The large variations in lighting/weather conditions and vehicle densities of the scenes pose significant challenges to existing…

Computer Vision and Pattern Recognition · Computer Science 2024-01-08 Wen Dong , Haiyang Mei , Ziqi Wei , Ao Jin , Sen Qiu , Qiang Zhang , Xin Yang

In this work, we tackle the problem of car license plate detection and recognition in natural scene images. Inspired by the success of deep neural networks (DNNs) in various vision applications, here we leverage DNNs to learn high-level…

Computer Vision and Pattern Recognition · Computer Science 2016-01-22 Hui Li , Chunhua Shen

Road safety is a critical global concern, with manual enforcement of helmet laws and vehicle safety standards (e.g., rear-view mirror presence) being resource-intensive and inconsistent. This paper presents an AI-powered system to automate…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Nishant Vasantkumar Hegde , Aditi Agarwal , Minal Moharir

In recent years, text-image joint pre-training techniques have shown promising results in various tasks. However, in Optical Character Recognition (OCR) tasks, aligning text instances with their corresponding text regions in images poses a…

Computer Vision and Pattern Recognition · Computer Science 2024-04-18 Chen Duan , Pei Fu , Shan Guo , Qianyi Jiang , Xiaoming Wei

Traditional Automatic License Plate Recognition (ALPR) systems employ multi-stage pipelines consisting of object detection networks followed by separate Optical Character Recognition (OCR) modules, introducing compounding errors, increased…

Computer Vision and Pattern Recognition · Computer Science 2026-02-10 Karthik Sivakoti

Some historical and more recent printed documents have been scanned or stored at very low resolutions, such as 60 dpi. Though such scans are relatively easy for humans to read, they still present significant challenges for optical character…

Computer Vision and Pattern Recognition · Computer Science 2021-05-11 Julian D. Gilbey , Carola-Bibiane Schönlieb

Iterating with new and improved OCR solutions enforces decision making when it comes to targeting the right candidates for reprocessing. This especially applies when the underlying data collection is of considerable size and rather diverse…

Computation and Language · Computer Science 2023-06-22 Pit Schneider , Yves Maurer

Advances in high dynamic range (HDR) lighting estimation from a single image have opened new possibilities for augmented reality (AR) applications. Predicting complex lighting environments from a single input image allows for the realistic…

Computer Vision and Pattern Recognition · Computer Science 2025-09-24 Zitian Zhang , Joshua Urban Davis , Jeanne Phuong Anh Vu , Jiangtao Kuang , Jean-François Lalonde

Much of the existing linguistic data in many languages of the world is locked away in non-digitized books and documents. Optical character recognition (OCR) can be used to produce digitized text, and previous work has demonstrated the…

Computation and Language · Computer Science 2021-11-05 Shruti Rijhwani , Daisy Rosenblum , Antonios Anastasopoulos , Graham Neubig

In this paper, we propose an efficient method to provide personal identification using fingerprint to get better accuracy even in noisy condition. The fingerprint matching based on the number of corresponding minutia pairings, has been in…

Computer Vision and Pattern Recognition · Computer Science 2013-11-15 V. Karthikeyan , V. J. Vijayalakshmi

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

Standard OCR is a well-researched topic of computer vision and can be considered solved for machine-printed text. However, when applied to unconstrained images, the recognition rates drop drastically. Therefore, the employment of object…

Computer Vision and Pattern Recognition · Computer Science 2013-04-29 Albert Kavelar , Sebastian Zambanini , Martin Kampel

Recent progress in image recognition has stimulated the deployment of vision systems at an unprecedented scale. As a result, visual data are now often consumed not only by humans but also by machines. Existing image processing methods only…

Computer Vision and Pattern Recognition · Computer Science 2022-09-13 Zhuang Liu , Hung-Ju Wang , Tinghui Zhou , Zhiqiang Shen , Bingyi Kang , Evan Shelhamer , Trevor Darrell

In an increasingly digitalized commerce landscape, the proliferation of credit card fraud and the evolution of sophisticated fraudulent techniques have led to substantial financial losses. Automating credit card fraud detection is a viable…

Machine Learning · Computer Science 2023-09-27 Zaffar Zaffar , Fahad Sohrab , Juho Kanniainen , Moncef Gabbouj

Object detection and identification is a challenging area of computer vision and a fundamental requirement for autonomous cars. This project aims to jointly perform object detection of a swap-body and to find the type of swap-body by…

Computer Vision and Pattern Recognition · Computer Science 2020-04-20 Ebin Zacharias , Didier Stricker , Martin Teuchler , Kripasindhu Sarkar

In this paper, we propose a real-time and accurate automatic license plate recognition (ALPR) approach. Our study illustrates the outstanding design of ALPR with four insights: (1) the resampling-based cascaded framework is beneficial to…

Computer Vision and Pattern Recognition · Computer Science 2021-06-18 Yi Wang , Zhen-Peng Bian , Yunhao Zhou , Lap-Pui Chau

The performance of a trained object detection neural network depends a lot on the image quality. Generally, images are pre-processed before feeding them into the neural network and domain knowledge about the image dataset is used to choose…

Computer Vision and Pattern Recognition · Computer Science 2020-08-19 Siddharth Nayak , Balaraman Ravindran

Automatic License Plate detection and Recognition (ALPR) is a quite popular and active research topic in the field of computer vision, image processing and intelligent transport systems. ALPR is used to make detection and recognition…

Computer Vision and Pattern Recognition · Computer Science 2019-10-07 Zied Selmi , Mohamed Ben Halima , Umapada Pal , M. Adel Alimi