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Browsing by Author "Kakkos, Stavros K."

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    • 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 ...

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