NDLI: Real-time text tracking in natural scenes

Content Provider	IET Digital Library
Author	Gracia, Carlos Merino Mirmehdi, Majid
Abstract	The authors present a system that automatically detects, recognises and tracks text in natural scenes in real-time. The focus of the author's method is on large text found in outdoor environments, such as shop signs, street names, billboards and so on. Built on top of their previously developed techniques for scene text detection and orientation estimation, the main contribution of this work is to present a complete end-to-end scene text reading system based on text tracking. They propose to use a set of unscented Kalman filters to maintain each text region's identity and to continuously track the homography transformation of the text into a fronto-parallel view, thereby being resilient to erratic camera motion and wide baseline changes in orientation. The system is designed for continuous, unsupervised operation in a handheld or wearable system over long periods of time. It is completely automatic and features quick failure recovery and interactive text reading. It is also highly parallelised to maximise usage of available processing power and achieve real-time operation. They demonstrate the performance of the system on sequences recorded in outdoor scenarios.
Starting Page	670
Ending Page	681
Page Count	12
ISSN	17519632
Volume Number	8
e-ISSN	17519640
Issue Number	Issue 6, Dec (2014)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-cvi/8/6
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-cvi.2013.0217
Journal	IET Computer Vision
Publisher Date	2014-06-16
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Baseline Changes Billboards Computer Vision And Image Processing Technique Continuous Unsupervised Operation End-to-end Scene Text Reading System Erratic Camera Motion Failure Recovery Filtering Method in Signal Processing Fronto-parallel View Handheld System Homography Transformation Image Recognition Interactive Text Reading Kalman Filter Natural Scenes Nonlinear Filter Orientation Estimation Outdoor Environments Real-time Text Tracking Scene Text Detection Shop Signs Street Names Text Automatic Detection Text Automatic Recognition Text Detection Unscented Kalman Filter Wearable System
Content Type	Text
Resource Type	Article
Subject	Computer Vision and Pattern Recognition Software

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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