Browsing by Author "Kakkos, Stavros K."

Book Chapter

Assessment of stroke by analysing carotid plaque morphology

Kyriacou, Efthyvoulos C.; Christodoulou, Christodoulos I.; Loizou, Christos P.; Pattichis, Marios S.; Pattichis, Constantinos S.; Kakkos, Stavros K.; Nicolaïdes, Andrew N. (IGI Global, 2009)

Stroke is the third leading cause of death in the Western world and a major cause of disability in adults. The objective of this work was to investigate morphological feature extraction techniques and the use of automatic ...

Article

Classification of atherosclerotic carotid plaques using gray level morphological analysis on ultrasound images

Kyriacou, Efthyvoulos C.; Pattichis, Constantinos S.; Pattichis, Marios S.; Mavrommatis, A.; Panagiotou, S.; Christodoulou, Christodoulos I.; Kakkos, Stavros K.; Nicolaïdes, Andrew N. (2006)

The aim of this study was to investigate the usefulness of gray scale morphological analysis in the assessment of atherosclerotic carotid plagues. Ultrasound images were recorded from 137 asymptomatic and 137 symptomatic ...

Article

Classification of atherosclerotic carotid plaques using morphological analysis on ultrasound images

Kyriacou, Efthyvoulos C.; Pattichis, Marios S.; Pattichis, Constantinos S.; Mavrommatis, A.; Christodoulou, Christodoulos I.; Kakkos, Stavros K.; Nicolaïdes, Andrew N. (2009)

The aim of this study was to investigate the usefulness of multilevel binary and gray scale morphological analysis in the assessment of atherosclerotic carotid plaques. Ultrasound images were recorded from 137 asymptomatic ...

Article

Computerized texture analysis of carotid plaque ultrasonic images can identify unstable plaques associated with ipsilateral neurological symptoms

Kakkos, Stavros K.; Nicolaïdes, Andrew N.; Kyriacou, Efthyvoulos C.; Daskalopoulou, Stella Styliani; Sabetai, Michael; Pattichis, Constantinos S.; Geroulakos, George; Griffin, Maura B.; Thomas, Dominique (2011)

We estimated the value of objective, computerized texture analysis of ultrasonic images in distinguishing carotid plaques associated with neurological ipsilateral symptoms (amaurosis fugax [AmF

Article

Effect of zooming on texture features of ultrasonic images

Kakkos, Stavros K.; Nicolaïdes, Andrew N.; Kyriacou, Efthyvoulos C.; Pattichis, Constantinos S.; Geroulakos, George (2006)

Background: Unstable carotid plaques on subjective, visual, assessment using B-mode ultrasound scanning appear as echolucent and heterogeneous. Although previous studies on computer assisted plaque characterisation have ...

Article

Erratum: Juxtaluminal hypoechoic area in ultrasonic images of carotid plaques and hemispheric symptoms (Journal of Vascular Surgery (2010) 52 (69-76))

Griffin, Maura B.; Kyriacou, Efthyvoulos C.; Pattichis, Constantinos S.; Bond, Dawn; Kakkos, Stavros K.; Sabetai, Michael; Geroulakos, George; Georgiou, Niki; Doré, C. J.; Nicolaïdes, Andrew N. (2010)

Conference Object

First and second order statistical texture features in carotid plaque image analysis: Preliminary results from ongoing research

Kyriacou, Efthyvoulos C.; Nicolaïdes, Andrew N.; Pattichis, Constantinos S.; Petroudi, Styliani; Pattichis, Marios S.; Griffin, Maura B.; Kakkos, Stavros K.; Makris, Gregory C. (2011)

Carotid plaques have been associated with ipsilateral neurological symptoms. High-resolution ultrasound can provide information not only on the degree of carotid artery stenosis but also on the characteristics of the ...

Article

First and second order statistical texture features in carotid plaque image analysis: preliminary results from ongoing research.

Kyriacou, Efthyvoulos C.; Nicolaïdes, Andrew N.; Pattichis, Constantinos S.; Petroudi, Styliani; Pattichis, Marios S.; Griffin, Maura B.; Kakkos, Stavros K.; Makris, Gregory C. (2011)

Carotid plaques have been associated with ipsilateral neurological symptoms. High-resolution ultrasound can provide information not only on the degree of carotid artery stenosis but also on the characteristics of the ...

Article

An integrated system for assessing stroke risk

Kyriacou, Efthyvoulos C.; Pattichis, Constantinos S.; Karaolis, Minas A.; Loizou, Christos P.; Christodoulou, Christodoulos I.; Pattichis, Marios S.; Kakkos, Stavros K.; Nicolaïdes, Andrew N. (2007)

Article

Juxtaluminal hypoechoic area in ultrasonic images of carotid plaques and hemispheric symptoms

Griffin, Maura B.; Kyriacou, Efthyvoulos C.; Pattichis, Constantinos S.; Bond, Dawn; Kakkos, Stavros K.; Sabetai, Michael; Geroulakos, George; Georgiou, Niki; Doré, C. J.; Nicolaïdes, Andrew N. (2010)

Objectives: The aim was to determine the diagnostic value of a juxtaluminal black (hypoechoic) area without a visible echogenic cap (JBA) in ultrasonic images of internal carotid artery plaques. Methods: Ultrasonic images ...

Conference Object

Multiscale morphological analysis of the atherosclerotic carotid plaque

Kyriacou, Efthyvoulos C.; Pattichis, Marios S.; Christodoulou, Christodoulos I.; Pattichis, Constantinos S.; Kakkos, Stavros K.; Nicolaïdes, Andrew N. (2005)

The aim of this paper was to investigate the usefulness of multiscale morphological analysis in the assessment of atherosclerotic carotid plagues. Ultrasound images were recorded from 137 asymptomatic and 137 symptomatic ...

Book Chapter

Plaque classification

Kyriacou, Efthyvoulos C.; Christodoulou, Christodoulos I.; Pattichis, Marios S.; Pattichis, Constantinos S.; Kakkos, Stavros K. (Springer-Verlag London Ltd, 2012)

This chapter presents several classification techniques that could be used in computer-aided systems for the automated characterization of carotid plaques and the identification of individuals with asymptomatic carotid ...

Article

Prediction of high-risk asymptomatic carotid plaques based on ultrasonic image features

Kyriacou, Efthyvoulos C.; Petroudi, Styliani; Pattichis, Constantinos S.; Pattichis, Marios S.; Griffin, Maura B.; Kakkos, Stavros K.; Nicolaïdes, Andrew N. (2012)

Carotid plaques have been associated with ipsilateral neurological symptoms. High-resolution ultrasound can provide information not only on the degree of carotid artery stenosis but also on the characteristics of the ...

Article

A review of noninvasive ultrasound image processing methods in the analysis of carotid plaque morphology for the assessment of stroke risk

Kyriacou, Efthyvoulos C.; Pattichis, Constantinos S.; Pattichis, Marios S.; Loizou, Christos P.; Christodoulou, Chris C.; Kakkos, Stavros K.; Nicolaïdes, Andrew N. (2010)

Noninvasive ultrasound imaging of carotid plaques allows for the development of plaque-image analysis methods associated with the risk of stroke. This paper presents several plaque-image analysis methods that have been ...

Article

Texture Analysis of Ultrasonic Images of Symptomatic Carotid Plaques can Identify Those Plaques Associated with Ipsilateral Embolic Brain Infarction

Kakkos, Stavros K.; Stevens, J. M.; Nicolaïdes, Andrew N.; Kyriacou, Efthyvoulos C.; Pattichis, Constantinos S.; Geroulakos, George; Thomas, Dominique (2007)

Objectives: The aim of our study was to determine the association between objective, computerised texture analysis of carotid plaque ultrasonic images and embolic CT-brain infarction in patients presenting with hemispheric ...

Book Chapter

Ultrasonic plaque characterization: Results from the asymptomatic carotid stenosis and risk of stroke (ACSRS) study

Nicolaïdes, Andrew N.; Kakkos, Stavros K.; Kyriacou, Efthyvoulos C.; Griffin, Maura B.; Geroulakos, George; Pattichis, Constantinos S. (Springer-Verlag London Ltd, 2013)

The Asymptomatic Carotid Stenosis and Risk of Stroke (ACSRS) study was a multicenter natural history study. Its primary aim was to identify clinical, biochemical, and plaque features that, when used in combination, would ...

Article

Ultrasound imaging in the analysis of carotid plaque morphology for the assessment of stroke

Kyriacou, Efthyvoulos C.; Pattichis, Marios S.; Christodoulou, Christodoulos I.; Pattichis, Constantinos S.; Kakkos, Stavros K.; Griffin, Maura B.; Nicolaïdes, Andrew N. (2005)

The aim of this chapter is to summarise the recent advances in ultrasonic plaque characterisation and to evaluate the efficacy of computer aided diagnosis based on neural and statistical classifiers using as input texture ...