Optimization of Wavelet-Based De-noising in MRI
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Date
2011-04
ORCID
Advisor
Referee
Mark
Journal Title
Journal ISSN
Volume Title
Publisher
Společnost pro radioelektronické inženýrství
Abstract
In the paper, a method for MR image enhancement using the wavelet analysis is described. The wavelet analysis is concentrated on the influence of threshold level and mother wavelet choices on the resultant MR image. The influence is expressed by the measurement and mutual comparison of three MT image parameters: signal to noise ratio, image contrast, and linear slope edge approximation. Unlike most standard methods working exclusively with the MR image magnitude, in our case both the MR image magnitude and the MR image phase were used in the enhancement process. Some recommendations are mentioned in conclusion, such as how to use a combination of mother wavelets with threshold levels for various types of MR images.
Description
Citation
Radioengineering. 2011, vol. 20, č. 1, s. 85-93. ISSN 1210-2512
http://www.radioeng.cz/fulltexts/2011/11_01_085_093.pdf
http://www.radioeng.cz/fulltexts/2011/11_01_085_093.pdf
Document type
Peer-reviewed
Document version
Published version
Date of access to the full text
Language of document
en