S. Georgiou

ORCID: 0000-0001-5096-0067
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About
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Research Areas
  • Optimal Experimental Design Methods
  • Advanced Multi-Objective Optimization Algorithms
  • graph theory and CDMA systems
  • Laser Material Processing Techniques
  • Manufacturing Process and Optimization
  • Laser-induced spectroscopy and plasma
  • Coding theory and cryptography
  • Cultural Heritage Materials Analysis
  • Finite Group Theory Research
  • Probabilistic and Robust Engineering Design
  • Advanced Chemical Physics Studies
  • Mass Spectrometry Techniques and Applications
  • Diamond and Carbon-based Materials Research
  • VLSI and FPGA Design Techniques
  • Laser Design and Applications
  • Laser-Ablation Synthesis of Nanoparticles
  • Ocular and Laser Science Research
  • Statistical Methods in Clinical Trials
  • Photodynamic Therapy Research Studies
  • Conservation Techniques and Studies
  • Analytical chemistry methods development
  • Surface Roughness and Optical Measurements
  • VLSI and Analog Circuit Testing
  • Molecular Junctions and Nanostructures
  • Cooperative Communication and Network Coding

RMIT University
2014-2024

Limassol General Hospital
2024

Universidad de Lima
2024

National and Kapodistrian University of Athens
2002-2022

Alexandra Hospital
2022

Foundation for Research and Technology Hellas
2001-2020

Alexandra Hospital
2019

Athens University of Economics and Business
2019

University of the Aegean
2004-2014

MIT University
2014

Sequential experimental designs enhance data collection efficiency by reducing resource usage and accelerating objectives. This paper presents a model-driven approach to sequential Latin hypercube (SLHDs) tailored for second-order models. Unlike traditional model-free SLHDs, our method optimizes conditional A-criterion improve efficiency, particularly in higher dimensions. By relaxing the restriction of non-replicated points within equally spaced intervals, maintains space-filling properties...

10.3390/math13071190 article EN cc-by Mathematics 2025-04-04

Optomechanical actuation of polymer films doped with spiropyran photochromic molecules is demonstrated by the reversible bending upon laser irradiation (see Figure). The photoactuators are fully wavelength controllable and capable operating reversibly in a few seconds. macroscopic mechanical effect found to be associated interactions between different stereoisomers formation merocyanine aggregates.

10.1002/adma.200401078 article EN Advanced Materials 2005-04-07

10.1016/s0012-365x(02)00520-4 article EN publisher-specific-oa Discrete Mathematics 2003-01-17

Background Topical application of 5-aminolaevulinic acid (ALA) to condylomata acuminata leads accumulation protoporphyrin IX (PpIX); therefore ALA-induced photodynamic therapy (ALA-PDT) appears be a potential treatment. Objectives To investigate in vivo the PpIX fluorescence time course after topical ALA order determine optimal for irradiation, and assess efficacy subsequently performed ALA-PDT. Methods Fluorescence kinetics was studied 12 male patients with acuminata. Confirmation diagnosis...

10.1111/j.1365-2133.2003.05553.x article EN British Journal of Dermatology 2003-11-01

Abstract Aims The clinical value of carotid atherosclerosis markers for residual risk stratification in high atherosclerotic cardiovascular disease (ASCVD) patients is not established. We aimed to derive and validate optimal values subclinical improving guidelines-defined ASCVD patients. Methods results consecutively analysed or very from a (CV) prevention registry (n = 751, derivation cohort) the Atherosclerosis Risk Communities (ARIC) study 2,897, validation cohort). Baseline was defined...

10.1093/eurjpc/zwac095 article EN European Journal of Preventive Cardiology 2022-05-17

Recent attention has increasingly focused on the significance of Definitive Screening Designs (DSDs), originally introduced by Jones and Nachtsheim (2011), as a compelling alternative to traditional designs bib Response Surface Methodology (RSM). This paper introduces two novel composite techniques aimed at enhancing design efficiency elevating D-values. By utilizing orthogonal matrices integrating axial components from either simple or block detailed in work Alrweili et al. (2020), new are...

10.1371/journal.pone.0301049 article EN cc-by PLoS ONE 2024-04-02

10.1016/j.csda.2013.03.010 article EN Computational Statistics & Data Analysis 2013-03-16

10.1016/j.jspi.2008.08.016 article EN Journal of Statistical Planning and Inference 2008-08-27

Latin hypercube designs (LHDs) are popularly used in designing computer experiments. A number of methods have been proposed to construct LHDs with orthogonality among the main-effects. In this paper, we propose a new method for constructing orthogonal (OLHDs) 12, 16, 20 and 24 factors having flexible run size. Moreover, using presented provide multiplication further constructions OLHDs. These lead infinite families OLHD many factors. For example, show that when an OLHD(n;m) exists then there...

10.5705/ss.2012.142 article EN Statistica Sinica 2012-11-21

In this work, we propose a novel VR s/w system aiming to disrupt the healthcare training industry with first Psychomotor Virtual Reality (VR) Surgical Training solution. Our generates fail-safe, realistic environment for surgeons master and extend their skills in an affordable portable We deliver educational tool orthopedic surgeries enhance learning procedure gamification elements, advanced interactability cooperative features immersive operating theater. methodology transforms medical...

10.1145/3283289.3283291 article EN 2018-11-30

10.1016/j.jspi.2010.12.006 article EN Journal of Statistical Planning and Inference 2010-12-18

10.1016/j.jspi.2010.11.014 article EN Journal of Statistical Planning and Inference 2010-11-20

Screening is the first stage of many industrial experiments and used to determine efficiently effectively a small number potential factors among large which may affect particular response. In recent paper, Jones Nachtsheim [A class three-level designs for definitive screening in presence second-order effects. J. Qual. Technol. 2011;43:1–15] have given effects using variant coordinate exchange algorithm as it was by Meyer [The coordinate-exchange constructing exact optimal experimental...

10.1080/02331888.2012.760097 article EN Statistics 2013-01-23
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