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Text detection, the key technology for understanding scene text, has become an attractive research topic. For detecting various scene texts, researchers propose plenty of detectors with different advantages: detection-based models enjoy…

Computer Vision and Pattern Recognition · Computer Science 2022-01-25 Chuang Yang , Mulin Chen , Yuan Yuan , Qi Wang

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

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

Incidental scene text detection, especially for multi-oriented text regions, is one of the most challenging tasks in many computer vision applications. Different from the common object detection task, scene text often suffers from a large…

Computer Vision and Pattern Recognition · Computer Science 2018-05-09 Qiangpeng Yang , Mengli Cheng , Wenmeng Zhou , Yan Chen , Minghui Qiu , Wei Lin , Wei Chu

The reliable detection of speed of moving vehicles is considered key to traffic law enforcement in most countries, and is seen by many as an important tool to reduce the number of traffic accidents and fatalities. Many automatic systems and…

Computer Vision and Pattern Recognition · Computer Science 2015-01-28 Chaim Ginzburg , Amit Raphael , Daphna Weinshall

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

Forensic license plate recognition (FLPR) remains an open challenge in legal contexts such as criminal investigations, where unreadable license plates (LPs) need to be deciphered from highly compressed and/or low resolution footage, e.g.,…

Computer Vision and Pattern Recognition · Computer Science 2024-05-06 Denise Moussa , Anatol Maier , Andreas Spruck , Jürgen Seiler , Christian Riess

State-of-the-art scene text detection techniques predict quadrilateral boxes that are prone to localization errors while dealing with straight or curved text lines of different orientations and lengths in scenes. This paper presents a novel…

Computer Vision and Pattern Recognition · Computer Science 2019-07-10 Chuhui Xue , Shijian Lu , Wei Zhang

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

Automated text detection is a difficult computer vision task. In order to accurately detect and identity text in an image or video, two major problems must be addressed. The primary problem is implementing a robust and reliable method for…

Computer Vision and Pattern Recognition · Computer Science 2017-09-13 Teresa Nicole Brooks

Background image subtraction algorithm is a common approach which detects moving objects in a video sequence by finding the significant difference between the video frames and the static background model. This paper presents a developed…

Computer Vision and Pattern Recognition · Computer Science 2019-01-23 Mohamed Shehata , Reda Abo-Al-Ez , Farid Zaghlool , Mohamed Taha Abou-Kreisha

Reading text from images remains challenging due to multi-orientation, perspective distortion and especially the curved nature of irregular text. Most of existing approaches attempt to solve the problem in two or multiple stages, which is…

Computer Vision and Pattern Recognition · Computer Science 2018-12-27 Yipeng Sun , Chengquan Zhang , Zuming Huang , Jiaming Liu , Junyu Han , Errui Ding

This paper addresses the problem of lane detection which is fundamental for self-driving vehicles. Our approach exploits both colour and depth information recorded by a single RGB-D camera to better deal with negative factors such as…

Computer Vision and Pattern Recognition · Computer Science 2018-06-06 Cong Hoang Quach , Van Lien Tran , Duy Hung Nguyen , Viet Thang Nguyen , Minh Trien Pham , Manh Duong Phung

Object Detection is a popular field of research for recent technologies. In recent years, profound learning performance attracts the researchers to use it in many applications. Number plate (NP) detection and classification is analyzed over…

Computer Vision and Pattern Recognition · Computer Science 2020-08-19 Jatin Gupta , Vandana Saini , Kamaldeep Garg

Recently, video scene text detection has received increasing attention due to its comprehensive applications. However, the lack of annotated scene text video datasets has become one of the most important problems, which hinders the…

Computer Vision and Pattern Recognition · Computer Science 2021-03-30 Jiajun Zhu , Xiufeng Jiang , Zhiwei Jia , Shugong Xu , Shan Cao

Scene text detection and document layout analysis have long been treated as two separate tasks in different image domains. In this paper, we bring them together and introduce the task of unified scene text detection and layout analysis. The…

Computer Vision and Pattern Recognition · Computer Science 2022-06-06 Shangbang Long , Siyang Qin , Dmitry Panteleev , Alessandro Bissacco , Yasuhisa Fujii , Michalis Raptis

We propose an end-to-end trainable network that can simultaneously detect and recognize text of arbitrary shape, making substantial progress on the open problem of reading scene text of irregular shape. We formulate arbitrary shape text…

Computer Vision and Pattern Recognition · Computer Science 2019-08-27 Siyang Qin , Alessandro Bissacco , Michalis Raptis , Yasuhisa Fujii , Ying Xiao

Text recognition is a long-standing research problem for document digitalization. Existing approaches are usually built based on CNN for image understanding and RNN for char-level text generation. In addition, another language model is…

Computation and Language · Computer Science 2022-09-07 Minghao Li , Tengchao Lv , Jingye Chen , Lei Cui , Yijuan Lu , Dinei Florencio , Cha Zhang , Zhoujun Li , Furu Wei

Text spotting in natural scene images is of great importance for many image understanding tasks. It includes two sub-tasks: text detection and recognition. In this work, we propose a unified network that simultaneously localizes and…

Computer Vision and Pattern Recognition · Computer Science 2021-06-29 Peng Wang , Hui Li , Chunhua Shen

Smart-parking solutions use sensors, cameras, and data analysis to improve parking efficiency and reduce traffic congestion. Computer vision-based methods have been used extensively in recent years to tackle the problem of parking lot…

Computer Vision and Pattern Recognition · Computer Science 2024-02-01 Paulo R. Lisboa de Almeida , Jeovane Honório Alves , Luiz S. Oliveira , Andre Gustavo Hochuli , João V. Fröhlich , Rodrigo A. Krauel