Now showing items 601-620 of 1952

    • Conference Object  

      Evaluation of spatial dependence matrices on multiscale instantaneous amplitude for mammogram classification 

      Petroudi, Styliani; Constantinou, Ioannis P.; Pattichis, Marios S.; Tziakouri, Chrysa H.; Tziakouri, Chrysa H.; Pattichis, Constantinos S. (Springer Verlag, 2015)
      Breast cancer is the most common cancer in women. Mammography is the only breast cancer screening method that has proven to be effective. Mammographic breast density is increasingly assessed towards the development of more ...
    • Conference Object  

      Demonstration abstract: Crowdsourced indoor localization and navigation with Anyplace 

      Petrou, L.; Larkou, G.; Laoudias, Christos; Zeinalipour-Yazdi, Constantinos D.; Panayiotou, Christos G. (IEEE Computer Society, 2014)
      In this demonstration paper, we present the Anyplace system that relies on the abundance of sensory data on smartphones (e.g., WiFi signal strength and inertial measurements) to deliver reliable indoor geolocation information. ...
    • Article  

      HPC performance domains on multi-core processors with virtualization 

      Petrides, P.; Nicolaides, G.; Trancoso, Pedro (2012)
      As the number of cores increases in multi-core processors, more applications execute at the same time. In this paper we present a simple and non-intrusive approach that guarantees performance isolation for High Performance ...
    • Conference Object  

      Heterogeneous- and NUMA-aware scheduling for many-core architectures 

      Petrides, P.; Trancoso, Pedro (Association for Computing Machinery, Inc, 2017)
      As the number of cores increases in a single chip processor, several challenges arise: wire delays, contention for out-ofchip accesses, and core heterogeneity. In order to address these issues and the applications demands, ...
    • Conference Object  

      A screening system for the assessment of opacity profusion in chest radiographs of miners with pneumoconiosis 

      Pattichis, Marios S.; Pattichis, Constantinos S.; Christodoulou, Christodoulos I.; James, D.; Ketai, L.; Soliz, P. (Institute of Electrical and Electronics Engineers Inc., 2002)
      The aim of this study was to develop a screening system of chest radiographs of miners with pneumoconiosis. Chest radiographs were of coal mine or silica dust exposed miners participating in a health screening program. A ...
    • Conference Object  

      Scalability and efficiency of database queries on future many-core systems 

      Petrides, P.; Diavastos, Andreas; Christofi, Constantinos; Trancoso, Pedro (2013)
      Decision Support System (DSS) workloads are known to be one of the most time-consuming database workloads that process large data sets. Traditionally, DSS queries have been accelerated using large-scale multiprocessors. ...
    • 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  

      Optimal scanning, display, and segmentation of the International Labor Organization (ILO) x-ray images set for pneumoconiosis 

      Pattichis, Marios S.; Ramachandran, J.; Wilson, M.; Pattichis, Constantinos S.; Soliz, P. (2001)
      A method for scanning and displaying chest radiographs (x-rays) is presented. The new method treats scanning independent of display, allowing for maximum information content to be captured during the scanning process, and ...
    • Article  

      Research and trials for reliable VoIP applications 

      Pavlidou, F. -N; Pitsillides, Andreas; Schulzrinne, H.; Sisalem, D. (2008)
    • Conference Object  

      New image processing models for opacity image analysis in chest radiographs 

      Pattichis, Marios S.; Muralldharan, H.; Pattichis, Constantinos S.; Soliz, P. (Institute of Electrical and Electronics Engineers Inc., 2002)
      The aim of this research is to develop new image processing models that can be used to characterize single opacities and opacity density within pre-selected regions of interest (ROI). We derive our new image processing ...
    • Conference Object  

      Non-stationary texture segmentation using an AM-FM model 

      Pattichis, Marios S.; Christodoulou, Christodoulos I.; Pattichis, Constantinos S.; Bovik, Alan Conrad (1997)
      We present a novel method for segmenting non-stationary textures. Our approach uses a multidimensional AM-FM representation for the texture, and provides the FM features to an SOFM-LVQ neural network system that performs ...
    • Conference Object  

      Fast wavelet transform in motor unit action potential analysis 

      Pattichis, Marios S.; Pattichis, Constantinos S. (Publ by IEEE, 1993)
      Wavelet analysis is a new method for analyzing time and frequency contents of signals. We present the Fast Wavelet Transform (FWT) implemented using B-wavelets and non-circular convolutions in the analysis of Motor Unit ...
    • Article  

      Neural Network Models in EMG Diagnosis 

      Pattichis, Constantinos S.; Schizas, Christos N.; Middleton, Lefkos T. (1995)
      In the past years, several computer-aided quantitative motor unit action potential (MUAP) techniques were reported. It is now possible to add to these techniques the capability of automated medical diagnosis so that all ...
    • Conference Object  

      Hybrid neural network electromyographic system: Incorporating the WISARD net 

      Pattichis, Constantinos S.; Schizas, Christos N.; Sergiou, A.; Schnorrenberg, F. (IEEE, 1994)
      Clinical electromyography (EMG) provides useful information for the diagnosis of neuromuscular disorders. The utility of artificial neural networks trained with the backpropagation, the Kohonen's self-organizing feature ...
    • Article  

      Guest editorial: Introduction to the special section on computational intelligence in medical systems 

      Pattichis, Constantinos S.; Schizas, Christos N.; Pattichis, Marios S.; Micheli-Tzanakou, Litsa Evangelia; Kyriacou, Efthyvoulos C.; Fotiadis, Dimitrios Ioannis (2009)
    • 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  

      Welcome Address 

      Pattichis, Constantinos S.; Schizas, Christos N.; Fotiadis, Dimitrios Ioannis; Kyriacou, Efthyvoulos C. (2009)
    • 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  

      Introduction to this Special Issue Intelligent data analysis in electromyography and electroneurography 

      Pattichis, Constantinos S.; Schofield, I.; Merletti, Roberto; Parker, P. A.; Middleton, Lefkos T. (1999)
    • Article  

      Wireless telemedicine systems: An overview 

      Pattichis, Constantinos S.; Kyriacou, Efthyvoulos C.; Voskarides, Sotos Ch; Pattichis, Marios S.; Istepanian, Robert Sh Habib; Schizas, Christos N. (2002)
      Rapid advances in information technology and telecommunications - and, more specifically, wireless and mobile communications - and their convergence ("telematics") are leading to the emergence of a new type of information ...