Edge Detection with Sub-pixel Accuracy Based on Approximation of Edge with Erf Function
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Date
2011-06
Authors
Hagara, Miroslav
Kulla, Peter
ORCID
Advisor
Referee
Mark
Journal Title
Journal ISSN
Volume Title
Publisher
Společnost pro radioelektronické inženýrství
Abstract
Edge detection is an often used procedure in digital image processing. For some practical applications is desirable to detect edges with sub-pixel accuracy. In this paper we present edge detection method for 1-D images based on approximation of real image function with Erf function. This method is verified by simulations and experiments for various numbers of samples of simulated and real images. Results of simulations and experiments are also used to compare proposed edge detection scheme with two often used moment-based edge detectors with sub-pixel precision.
Description
Citation
Radioengineering. 2011, vol. 20, č. 2, s. 516-524. ISSN 1210-2512
http://www.radioeng.cz/fulltexts/2011/11_02_516_524.pdf
http://www.radioeng.cz/fulltexts/2011/11_02_516_524.pdf
Document type
Peer-reviewed
Document version
Published version
Date of access to the full text
Language of document
en