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Τίτλος: Despeckle Filtering for Multiscale Amplitude-Modulation Frequency-Modulation (AM-FM) Texture Analysis of Ultrasound Images of the Intima-Media Complex
Συγγραφείς: Loizou, Christos P. 
Murray, Víctor 
Pattichis, Marios S. 
Pantziaris, Marios 
Nicolaides, Andrew N. 
Pattichis, Constantinos S. 
Major Field of Science: Engineering and Technology
Field Category: Mechanical Engineering
Λέξεις-κλειδιά: Intima-media thickness;Ultrasound image;Common carotid artery;Intima-media complex;Multiscale Amplitude-Modulation Frequency-Modulation (AM-FM);B-mode scan
Ημερομηνία Έκδοσης: 2014
Πηγή: International Journal of Biomedical Imaging, 2014, vol. 2014, articl. no. 518414
Volume: 2014
Περιοδικό: International Journal of Biomedical Imaging 
Περίληψη: The intima-media thickness (IMT) of the common carotid artery (CCA) is widely used as an early indicator of cardiovascular disease (CVD). Typically, the IMT grows with age and this is used as a sign of increased risk of CVD. Beyond thickness, there is also clinical interest in identifying how the composition and texture of the intima-media complex (IMC) changed and how these textural changes grow into atherosclerotic plaques that can cause stroke. Clearly though texture analysis of ultrasound images can be greatly affected by speckle noise, our goal here is to develop effective despeckle noise methods that can recover image texture associated with increased rates of atherosclerosis disease. In this study, we perform a comparative evaluation of several despeckle filtering methods, on 100 ultrasound images of the CCA, based on the extracted multiscale Amplitude-Modulation Frequency-Modulation (AM-FM) texture features and visual image quality assessment by two clinical experts. Texture features were extracted from the automatically segmented IMC for three different age groups. The despeckle filters hybrid median and the homogeneous mask area filter showed the best performance by improving the class separation between the three age groups and also yielded significantly improved image quality.
URI: https://hdl.handle.net/20.500.14279/23602
ISSN: 16874196
DOI: 10.1155/2014/518414
Rights: © C. P. Loizou et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Type: Article
Affiliation: Intercollege 
Universidad de Ingenieria y Tecnologia 
University of New Mexico 
Cyprus Institute of Neurology and Genetics 
Vascular Screening and Diagnostic Centre 
University of Cyprus 
Publication Type: Peer Reviewed
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