Texture Characterization of Carotid Atherosclerotic Plaque from B-mode Ultrasound Using Gabor Filters

被引:6
作者
Stoitsis, John [1 ]
Golemati, Spyretta [2 ]
Tsiaparas, Nikolaos [1 ]
Nikita, Konstantina S. [1 ]
机构
[1] Natl Tech Univ Athens, Athens 15773, Greece
[2] Univ Athens, Sch Med, GR-10679 Athens, Greece
来源
2009 ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY, VOLS 1-20 | 2009年
关键词
IMAGES; CLASSIFICATION;
D O I
10.1109/IEMBS.2009.5334867
中图分类号
R318 [生物医学工程];
学科分类号
0831 ;
摘要
Texture analysis of B-mode ultrasound images of carotid atheromatous plaque can be valuable for the accurate diagnosis of atherosclerosis. In this paper, Gabor filters were used to characterize the texture of carotid artery atherosclerotic tissue. B-mode ultrasound images of 10 symptomatic and 9 asymptomatic plaques were interrogated. A total of 40 texture features were estimated for each plaque. The bootstrap method was used to compare the mean values of the texture features extracted from the two groups. After bootstrapping, the mean value and the standard deviation of the energy estimated using the Gabor filters was found to be significantly different between symptomatic and asymptomatic plaques in the first scale of analysis and for all orientations. In addition, a number of texture features that correspond to larger resolution scales were found to be significantly different between the two types of plaques. It is concluded that Gabor-filter-based texture analysis in combination with a powerful statistical technique, such as bootstrapping, may provide valuable information about the plaque tissue type.
引用
收藏
页码:455 / +
页数:2
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