Browsing by Author "Pattichis, Constantinos S."

Now showing items 1-20 of 313

    • Conference Object  

      Abdominal Aortic Aneurysm medical video transmission 

      Panayides, Andreas S.; Antoniou, Zinonas C.; Barberis, Vassilis I. I.; Pattichis, Marios S.; Pattichis, Constantinos S.; Kyriacou, Efthyvoulos C. (2012)
      Abdominal Aortic Aneurysm (AAA) is responsible for approximately 1.3% of all deaths among men over the age of 65. Given the fact that once an aortic rupture occurs mortality rates are estimated between 80%-90%, national ...
    • Conference Object  

      Adaptive emergency scenery video communications using HEVC for responsive decision support in disaster incidents 

      Antoniou, Zinonas C.; Panayides, Andreas S.; Pattichis, Marios S.; Stavrou, S.; Kyriacou, Efthyvoulos C.; Spanias, Andreas S.; Constantinides, Anthony G.; Pattichis, Constantinos S. (Institute of Electrical and Electronics Engineers Inc., 2015)
      This study proposes a unifying framework for m-Health video communication systems that provides for the joint optimization of video quality, bitrate demands, and encoding time. The framework is video modality and infrastructure ...
    • Conference Object  

      An adaptive multiscale AM-FM texture analysis system with application to hysteroscopy imaging 

      Constantinou, Ioannis P.; Pattichis, Marios S.; Tanos, Vasilios; Neofytou, Marios S.; Pattichis, Constantinos S. (2012)
      The use of multiscale AM-FM analysis systems has been recently demonstrated in a variety of applications in medical image analysis. In all of these applications, a fixed filter-bank is used as a preprocessing step for ...
    • Conference Object  

      Adaptive neural network imaging in medical systems 

      Pattichis, Constantinos S.; Pattichis, Marios S. (2001)
      Recent technological advances in medicine facilitated the development of sophisticated equipment enabling the better delivery of health care services. In parallel, artificial neural networks emerged as promising tools for ...
    • Conference Object  

      Adaptive real-time HEVC encoding of emergency scenery video 

      Panayides, Andreas S.; Constantinides, Anthony G.; Pattichis, Marios S.; Kyriacou, Efthyvoulos C.; Pattichis, Constantinos S. (Institute of Electrical and Electronics Engineers Inc., 2015)
      This paper proposes the use of an adaptive HEVC encoding framework for the wireless transmission of real-time emergency scenery video. The goal of the proposed approach is to adapt HEVC encoding methods and parameters so ...
    • Article  

      Aggregated bandwidth allocation: Investigation of performance of classical constrained and genetic algorithm based optimisation techniques 

      Pitsillides, Andreas; Stylianou, Georgios; Pattichis, Constantinos S.; Sekercioglu, Y. Ahmet; Vasilakos, Athanasios V. (2002)
      We consider a high speed integrated services network, and investigate compare and contrast the performance of two algorithms for solving the Aggregated Bandwidth Allocation (BA) problem. The algorithms we focus our attention ...
    • Conference Object  

      AKAMAS: Mining association rules using a new algorithm for the assessment of the risk of coronary heart events 

      Karaolis, Minas A.; Moutiris, Joseph Antoniou; Papaconstantinou, L.; Pattichis, Constantinos S. (2009)
      Many algorithms have been developed for rule mining in large transaction databases. Discovery of some important association rules is a main database mining problem. The objective of this study was to develop a new data ...
    • Conference Object  

      An AM-FM model for motion estimation in atherosclerotic plaque videos 

      Murray, V.; Murillo, S. E.; Pattichis, Marios S.; Loizou, Christos P.; Pattichis, Constantinos S.; Kyriacou, Efthyvoulos C.; Nicolaïdes, Andrew N. (2007)
      We present new multidimensional Amplitude-Modulation Frequency-Modulation (AM-FM) methods for motion estimation. For a single AM-FM component we show that the optical flow constraint leads to separate equations for amplitude ...
    • Conference Object  

      AM-FM representations for the characterization of carotid plaque ultrasound Images 

      Christodoulou, Christodoulos I.; Pattichis, Constantinos S.; Murray, V.; Pattichis, Marios S.; Nicolaïdes, Andrew N. (2008)
      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 the use of AM-FM representations for the characterization of carotid ...
    • Conference Object  

      AM-FM texture image analysis in brain white matter lesions in the progression of multiple sclerosis 

      Loizou, Christos P.; Murray, V.; Pattichis, Marios S.; Pantzaris, Marios C.; Pattichis, Constantinos S. (2010)
      We present the use of multiscale Amplitude Modulation Frequency Modulation (AM-FM) methods for analyzing brain white matter lesions that are associated with disease progression. We analyze lesions and normal appearing white ...
    • Conference Object  

      AM-FM texture image analysis in multiple sclerosis brain white matter lesions 

      Loizou, Christos P.; Murray, V.; Pattichis, Marios S.; Pantzaris, Marios C.; Seimenis, Ioannis; Pattichis, Constantinos S. (2010)
      In this study we investigate the use of multiscale Amplitude Modulation-Frequency Modulation (AM-FM) methods for analyzing brain white matter lesions that are associated with multiple sclerosis MRI lesions imaged at 0 and ...
    • Article  

      AM-FM texture image analysis of the intima and media layers of the carotid artery 

      Loizou, Christos P.; Murray, V.; Pattichis, Marios S.; Christodoulou, C. S.; Pantzaris, Marios C.; Nicolaïdes, Andrew N.; Pattichis, Constantinos S. (2009)
      The purpose of this paper is to propose the use of amplitude modulation-frequency modulation (AM-FM) features for describing atherosclerotic plaque features that are associated with clinical factors such as intima media ...
    • Article  

      AM-FM texture segmentation in electron microscopic muscle imaging 

      Pattichis, Marios S.; Pattichis, Constantinos S.; Avraam, Maria; Bovik, Alan Conrad; Kyriacou, Kyriacos C. (2000)
      This paper describes the application of an amplitude modulation-frequency modulation (AM-FM) image representation in segmenting electron micrographs of skeletal muscle for the recognition of: 1) normal sarcomere ultrastructural ...
    • Article  

      Analysis of neuromuscular disorders using statistical and entropy metrics on surface EMG 

      Istenic, R.; Kaplanis, P. A.; Pattichis, Constantinos S.; Zazula, D. (2008)
      This paper introduces the surface electromyogram (EMG) classification system based on statistical and entropy metrics. The system is intended for diagnostic use and enables classification of examined subject as normal, ...
    • Conference Object  

      Artificial neural net algorithms in classifying electromyographic signals 

      Schizas, Christos N.; Pattichis, Constantinos S.; Schofield, I. S.; Fawcett, P. R.; Middleton, Lefkos T. (Publ by IEE, 1989)
      The aim of this work is to examine how Artificial Neural Nets (ANN) can be used as a computerized method for electromyographic diagnosis. For this reason, a number of well defined neuromuscular disorders have been selected, ...
    • Article  

      Artificial Neural Nets in Computer-Aided Macro Motor Unit Potential Classification 

      Schizas, Christos N.; Pattichis, Constantinos S.; Schofield, I. S.; Fawcett, P. R.; Middleton, Lefkos T. (1990)
    • Conference Object  

      Artificial neural networks in forecasting minimum temperature 

      Schizas, Christos N.; Michaelides, Silas C.; Pattichis, Constantinos S.; Livesay, R. R. (Publ by IEE, 1991)
      Forcasting the minimum temperature(Tmin) is one of the most important operational practices carried out by Meteorological Services worldwide. The great interest in developing methods for more accurate predictions has led ...
    • 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  

      Assessment of stroke risk based on morphological ultrasound image analysis with conformal prediction 

      Lambrou, Alexandra; Papadopoulos, Harris; Kyriacou, Efthyvoulos C.; Pattichis, Constantinos S.; Pattichis, Marios S.; Gammerman, A.; Nicolaïdes, Andrew N. (2010)
      Non-invasive ultrasound imaging of carotid plaques allows for the development of plaque image analysis in order to assess the risk of stroke. In our work, we provide reliable confidence measures for the assessment of stroke ...
    • Article  

      Assessment of the risk factors of coronary heart events based on data mining with decision trees 

      Karaolis, Minas A.; Moutiris, Joseph Antoniou; Hadjipanayi, Demetra; Pattichis, Constantinos S. (2010)
      Coronary heart disease (CHD) is one of the major causes of disability in adults as well as one of the main causes of death in the developed countries. Although significant progress has been made in the diagnosis and treatment ...