Browsing by Subject "Graphic methods"

Now showing items 1-12 of 12

    • 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  

      Brain MR image normalization in texture analysis of multiple sclerosis 

      Loizou, Christos P.; Pantzaris, Marios C.; Seimenis, Ioannis; Pattichis, Constantinos S. (2009)
      A problem that occurs in texture analysis and quantitative analysis of magnetic resonance imaging (MRI), is that the extracted results are not comparable between consecutive or repeated scans or, within the same scan, ...
    • Conference Object  

      Classification of surface electromyographic signals using AM-FM features 

      Christodoulou, Christodoulos I.; Kaplanis, P. A.; Murray, V.; Pattichis, Marios S.; Pattichis, Constantinos S. (2009)
      The objective of this study was to evaluate the usefulness of AM-FM features extracted from surface electro myographic (SEMG) signals for the assessment of neuromuscular disorders at different force levels. SEMG signals ...
    • Article  

      Clustering attributed multi-graphs with information ranking 

      Papadopoulos, Antonios I.; Rafailidis, D.; Pallis, George C.; Dikaiakos, Marios D. (2015)
      Attributed multi-graphs are data structures to model realworld networks of objects which have rich properties/attributes and they are connected by multiple types of edges. Clustering attributed multigraphs has several ...
    • Conference Object  

      Combination of different texture features for mammographic breast density classification 

      Liasis, G.; Pattichis, Constantinos S.; Petroudi, Styliani (2012)
      Mammographic breast density refers to the prevalence of fibroglandular tissue as it appears on a mammogram. Breast density is not only an important risk for developing breast cancer but can also mask abnormalities. Breast ...
    • Article  

      The d-identifying codes problem for vertex identification in graphs: Probabilistic analysis and an approximation algorithm 

      Xiao, Y.; Hadjicostis, Christoforos N.; Thulasiraman, K. (2006)
      Given a graph G(V, E), the identifying codes problem is to find the smallest set of vertices D ⊆ V such that no two vertices in V are adjacent to the same set of vertices in D. The identifying codes problem has been applied ...
    • Article  

      Distributed finite-time calculation of node eccentricities, graph radius and graph diameter 

      Oliva, G.; Setola, R.; Hadjicostis, Christoforos N. (2016)
      The distributed calculation of node eccentricities, graph radius and graph diameter are fundamental steps to tune network protocols (e.g., setting an adequate time-to-live of packets), to select cluster heads, or to execute ...
    • Conference Object  

      Exploring graphics processor performance for general purpose applications 

      Trancoso, Pedro; Charalambous, Maria (2005)
      Graphics processors are designed to perform many floating-point operations per second. Consequently, they are an attractive architecture for high-performance computing at a low cost. Nevertheless, it is still not very clear ...
    • Conference Object  

      FRES-CAR: An adaptive cache replacement policy 

      Pallis, George C.; Vakali, Athena I.; Sidiropoulos, E. (2005)
      Caching Web objects has become a common practice towards improving content delivery and users' servicing. A Web caching framework is characterized by its cache replacement policy, which identifies the objects (i.e. the ...
    • Conference Object  

      Graphical inference methods for fault diagnosis based on information from unreliable sensors 

      Le, T.; Hadjicostis, Christoforos N. (2006)
      In this paper, we study the application of decoding algorithms to the multiple fault diagnosis (MFD) problem. Prompted by the resemblance between graphical representations for MFD problems and parity check codes, we develop ...
    • Article  

      Robust Autocorrelation EstimationAAA 

      Chang, Christopher C.; Politis, Dimitris Nicolas (2016)
    • Article  

      Weighted clustering of attributed multi-graphs 

      Papadopoulos, Antonios I.; Pallis, George C.; Dikaiakos, Marios D. (2017)
      An information network modeled as an attributed multi-graph contains objects described by heterogeneous attributes and connected by multiple types of edges. In this paper we study the problem of identifying groups of related ...