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Browsing by Subject "Signal Processing, Computer-Assisted"

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    • Article  

      Acoustic localization of antbirds in a Mexican rainforest using a wireless sensor network 

      Collier, T. C.; Kirschel, A. N. G.; Taylor, C. E. (2010)
      Acoustic localization is a promising method to passively observe vocal animal species, but remains difficult and time consuming to employ. To reduce the labor intensity and impact of deployment, an acoustic localization ...

    • Article  

      Behavioral plasticity through the modulation of switch neurons 

      Vassiliades, Vassilis; Christodoulou, Chris C. (2016)
      A central question in artificial intelligence is how to design agents capable of switching between different behaviors in response to environmental changes. Taking inspiration from neuroscience, we address this problem by ...

    • Article  

      Comparative evaluation of despeckle filtering in ultrasound imaging of the carotid artery 

      Loizou, Christos P.; Pattichis, Constantinos S.; Christodoulou, Christodoulos I.; Istepanian, Robert Sh Habib; Pantzaris, Marios C.; Nicolaïdes, Andrew N. (2005)
      It is well-known that speckle is a multiplicative noise that degrades the visual evaluation in ultrasound imaging. The recent advancements in ultrasound instrumentation and portable ultrasound devices necessitate the need ...

    • 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  

      Guest editorial cardiovascular health informatics: Risk screening and intervention 

      Hartley, C. J.; Naghavi, M.; Parodi, O.; Pattichis, Constantinos S.; Poon, C. C. Y.; Zhang, Y. -T (2012)
      Despite enormous efforts to prevent cardiovascular disease (CVD) in the past, it remains the leading cause of death in most countries worldwide. Around two-thirds of these deaths are due to acute events, which frequently ...

    • Article  

      Guest editorial introduction to the special issue on citizen centered e-health systems in a global healthcare environment: Selected papers from ITAB 2009 

      Pattichis, Constantinos S.; Schizas, Christos N.; Kyriacou, Efthyvoulos C.; Fotiadis, Dimitrios Ioannis; Pattichis, Marios S.; Bamidis, Panagiotis D. (2011)
      The January 2011 Special Issue of IEEE Transactions on Information Technology in Biomedicine includes selected papers from Information Technology in Biomedicine (ITAB 2009), held in the month of October in Cyprus. The ...

    • Article  

      Guest editorial: Introduction to the special section on biomedical informatics 

      Fotiadis, Dimitrios Ioannis; Pattichis, Constantinos S. (2009)

    • Article  

      High efficiency video coding for ultrasound video communication in m-health systems. 

      Panayides, Andreas S.; Antoniou, Zinonas C.; Pattichis, Marios S.; Pattichis, Constantinos S.; Constantinides, Anthony G. (2012)
      Emerging high efficiency video compression methods and wider availability of wireless network infrastructure will significantly advance existing m-health applications. For medical video communications, the emerging video ...

    • Article  

      Manual and automated media and intima thickness measurements of the common carotid artery 

      Loizou, Christos P.; Pattichis, Constantinos S.; Nicolaïdes, Andrew N.; Pantzaris, Marios C. (2009)
      The intima-media thickness (IMT) of the common carotid artery (CCA) is widely used as an early indicator of the development of cardiovascular disease (CVD). It was proposed but not thoroughly investigated that the media ...

    • Article  

      A morphological analysis of the macro motor unit potential 

      Pattichis, Constantinos S.; Schofield, I. S.; Fawcett, P. (1999)
      The technique of macro EMG is used to investigate the motor unit architecture in a number of pathological conditions. Amplitude and area are the most commonly used criteria, but these parameters alone are not sufficient ...

    • Article  

      Multiscale entropy-based approach to automated surface EMG classification of neuromuscular disorders 

      Istenič, R.; Kaplanis, P. A.; Pattichis, Constantinos S.; Zazula, D. (2010)
      We introduce a novel method for an automatic classification of subjects to those with or without neuromuscular disorders. This method is based on multiscale entropy of recorded surface electromyograms (sEMGs) and support ...

    • Article  

      Neurogenic vestibular evoked potentials using a tone pip auditory stimulus 

      Papathanasiou, Eleftherios Stelios; Zamba-Papanicolaou, Eleni; Pantzaris, Marios C.; Kleopa, Kleopas A.; Kyriakides, Theodoros; Papacostas, Savvas S.; Pattichis, Constantinos S.; Iliopoulos, Ioannis Komotini; Piperidou, Charitomeni N. (2004)
      Objectives: To obtain neurogenic vestibular evoked potentials (NVESTEPs) with surface scalp recording using a tone pip auditory stimulus. Methods: Fourteen neurologically normal volunteers (Age range 26-45 years, 10 females ...

    • Article  

      Region of interest video coding for low bit-rate transmission of carotid ultrasound videos over 3G wireless networks. 

      Tsapatsoulis, Nicolas; Loizou, Christos P.; Pattichis, Constantinos S. (2007)
      Efficient medical video transmission over 3G wireless is of great importance for fast diagnosis and on site medical staff training purposes. In this paper we present a region of interest based ultrasound video compression ...

    • Article  

      A standardised protocol for texture feature analysis of endoscopic images in gynaecological cancer 

      Neofytou, Marios S.; Tanos, Vasilios; Pattichis, Marios S.; Pattichis, Constantinos S.; Kyriacou, Efthyvoulos C.; Koutsouris, Demetrios Dionysios (2007)
      Background: In the development of tissue classification methods, classifiers rely on significant differences between texture features extracted from normal and abnormal regions. Yet, significant differences can arise due ...

    • Article  

      Surface EMG analysis on normal subjects based on isometric voluntary contraction 

      Kaplanis, P. A.; Pattichis, Constantinos S.; Hadjileontiadis, L. J.; Roberts, V. C. (2009)
      The objective of this study was to compute reference SEMG values for normal subjects of 13 parameters extracted in the time, frequency and bispectrum domain, from the Biceps Brachii (BB) muscle generated under isometric ...

    • Article  

      Texture-based classification of atherosclerotic carotid plaques 

      Christodoulou, Christodoulos I.; Pattichis, Constantinos S.; Pantzaris, Marios C.; Nicolaïdes, Andrew N. (2003)
      There are indications that the morphology of atherosclerotic carotid plaques, obtained by high-resolution ultrasound imaging, has prognostic implications. The objective of this study was to develop a computer-aided system ...

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