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https://hdl.handle.net/20.500.14279/23602
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 |
Εμφανίζεται στις συλλογές: | Άρθρα/Articles |
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