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Thursday 09:00 – 10:40 Room : XIOS I |
MINI-SYMPOSIUM
“Medical Image Formation, Processing & Analysis”
Organized by Panayiotakis G. and Cavouras D.
SESSION III: Medical Image Processing & Analysis II
Chairman: Cavouras D.
09:00 – 09:20 : "Statistical Versus Wavelet-Based De-Speckling Techniques for Enhancing Medical Ultrasound Images". Sidiropoulos K., Piliouras N., Athanasiadis E., Georgiou H.V., Makris C., Dimitropoulos N., Cavouras D.
09:20 – 09:40 : "Unsupervised Segmentation of Fine Needle Aspiration Nuclei Images of Thyroid Cancer using a Support Vector Machine Clustering Methodology". Glotsos D., Spyridonos P., Tsantis S., Kalatzis I., Dimitropoulos N., Nikiforidis G., Cavouras D.
09:40 – 10:00 : "Automatic Contour Delineation of Thyroid Nodules in Ultrasound Images Employing the Wavelet Transform Modulus-Maxima Chains". Tsantis S., Glotsos D., Kalatzis I., Dimitropoulos N., Nikiforidis G., Cavouras D.
10:00 – 10:20 : "Texture Analysis of Radiographic Osteoarthritis Pattern". Boniatis I., Costaridou L., Cavouras D., Panagiotopoulos E., Panayiotakis G.
10:20 – 10:40 : "A Majority Vote Classification Scheme for Early Prognosis of Urinary Bladder Cancer Recurrence". Papadimitriou K., Spyridonos P., Glotsos D., Ravazoula P., Nikiforidis G., Cavouras D.
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Thursday 09:00 – 10:40 Room : ATTICA I |
MINI-SYMPOSIUM
“COMPUTATIONAL MATHEMATICS & APPLICATIONS”
Organized by Grapsa T.
SESSION III: Optimization Theory and Applications
Chairmen: Goudas C.L. & Grapsa T.N.
09:00 – 09:40 : “Discrete Approximation of Semilinear Parabolic Optimal Control Problems”. Chryssoverghi I., Al Hawasi J. – INVITED LECTURE
09:40 – 10:00 : “Efficient Interval-Based Fuzzy Arithmetic”. Balopoulos V. D.
10:00 – 10:20 : “BOXCQP: An Algorithm for Bound Constrained Convex Quadratic Problems”. Voglis C., Lagaris I. E.
10:20 – 10:40 : “A Non – Monotone Dimension – Reducing Conic Method for Unconstrained Optimization”. Manoussakis G., Sotiropoulos D. G., Grapsa T. N., Botsaris C. A.
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Thursday 09:00 – 10:40 Room : ATTICA II |
Chairmen: Goryachev V. & Souskova H.
09:00 – 09:20 : "Automated Parallel CFD Analysis of Internally Cooled Turbine Blades". Papadimitriou I.D., Giannakoglou C.K., Carelas E., Triantafyllos I., Freskos G.
09:20 – 09:40 : "Numerical Solutions of Design Influences on the Flow in One-Stream Steam Turbine Exhaust Hood". Pacak A.
09:40 – 10:00 : "Numerical Solution of Transonic Flows in Turbine Cascades". Dobes J., Fort J., Furst J., Halama J., Kozel K.
10:00 – 10:20 : "Influence of Various Boundary Conditions on the Streaming in the Diffuser Channels". Hoznedl M.
10:20 – 10:40 : "Computational Investigation of the Flow Field inside the Cylinder of an Internal Combustion Engine". Ioannou G., Bergeles G.
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Thursday 09:00 – 10:40 Room : ATTICA III |
Invited Session organized by Carayiannis G.
Chairman: Carayiannis G.
09:00 – 09:20 : “Multipurpose Design of Greek Sign Language Resources: A Factor Towards Universal Access”. Efthimiou E., Fotinea S-E.,
09:20 – 09:40 : “An Efficient and Robust Algorithm for Bypassing Greeklish”. Chalamandaris A., Tsiakoulis P., Raptis S., Giannopoulos G.
09:40 – 10:00 : “New Interactive Multi-Resolution Image Compression System based on Subband and Binary Coding”. Dologlou I., Bakamidis S., Fotinea S-E., Carayannis G.
10:00 – 10:20 : “Object Localization in a Virtual Studio Environment”. Drosopoulos A., Kollias S.
10:20 – 10:40 : “Intention Markers in Greek Dialog Systems: Using Linguistic and Extra-Linguistic Information”. Alexandris C., Fotinea S-E.
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Thursday 11:00 – 12:20 Room : XIOS I |
MINI-SYMPOSIUM
“Medical Image Formation, Processing & Analysis”
Organized by Panayiotakis G. and Cavouras D.
SESSION IV: Medical Image Processing & Analysis III
Chairwoman: Costaridou L.
11:00 - 11:20 : "Evaluating the Generalization Performance of a Support Vector Machine based Classification Methodology in Brain Tumor Astrocytomas Grading". Glotsos D., Spyridonos P., Ravazoula I., Kalatzis G., Tsantis S., Nikiforidis G., Cavouras D.
11:20 – 11:40 : "Improving Diagnostic Accuracy in the Classification of Thyroid Cancer by Combining Quantitative Information Extracted from Both Ultrasound and Cytological Images". Tsantis S., Glotsos D., Spyridonos P., Kalatzis I., Dimitropoulos N., Nikiforidis G., Cavouras D.
11:40 – 12:00 : "A Wavelet-Based Activity Method in Performance Evaluation of Medical Image Compression Algorithms". Georgiev V., Costaridou L., Kocsis O., Panayiotakis G.
12:00 – 12:20 : "PDA-based Teleradiology System". Georgiadis P., Banitsas K., Georgiou H., Sidiropoulos K., Tachakra S., Dimitropoulos N., Cavouras D.
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Thursday 11:00 – 12:20 Room : ATTICA I |
MINI-SYMPOSIUM
“COMPUTATIONAL MATHEMATICS & APPLICATIONS”
Organized by Grapsa T.
SESSION IV: Computational Methods & Mechanics
Chairmen: Chryssoverghi I. & Balopoulos V.D.
11:00 – 11:40 : “ ‘Les Solutions Presieuses’ of a Non – Integrable Dynamical System as Effective Tool for Developing its General Solution”. Goudas C. L., Papadakis K. E. – INVITED LECTURE
11:40 – 12:00 : “Approximate General Solution of 2 – Degree of Freedom Dynamical System of the Coupled Non – Linear Double Oscillator with Third Order Potential”. Valaris E. P., Leftaki M. A.
12:00 – 12:20 : “Symplectic Relations in Four Dipole Problem”. Kazantzis P. G., Desiniotis C. D.
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Thursday 11:00 – 13:00 Room : ATTICA II |
Chairmen: Galanis N. & Diamessis P.
11:00 – 11:20 : "Using CAD/CAM/CAE Cooperative Systems in Pump Cover Design & Manufacturing". Popa C.L., Constantinescu C.C., Ciobanu L.F.
11:20 – 11:40 : "Dimensioning and Simulation of Process Pumps with Double Volute Casing". Benigni H., Jaberg H., Meusburger P.
11:40 – 12:00 : "Hydraulic Heads and Transients in Systems". Filipova B., Nevrina P., Ozana S., Souskova H.
12:00 – 12:20 : "Numerical Optimization of the Hydrodynamic Shape of Fluid Flow Systems". Grapsas V., Anagnostopoulos J.S.
12:20 – 12:40 : "Comparative Calculation of the Optimal Head of the Pump Station of the Irrigation Networks using a) The Linear Programming Method and b) The Nonlinear Programming Method". Theocharis M., Tzimopoulos C., Yannopoulos S., Sakellariou-Makrantonaki M.
12:40 – 13:00 : "A 2D Numerical Analysis of Vapor and Liquid Flows in Concentric Annular Heat Pipes". Layeghi
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Thursday 11:00 – 12:20 Room : ATTICA III |
APPLICATION OF ARTIFICIAL NEURAL NETWORKS TO THE AIRCRAFT CABIN:THE VIRTUAL PASSENGER
Invited Session organized by Tsahalis D.
Chairmen: Tsahalis D. & Nokas G.
11:00 – 11:20 : “Alternative Neural Network Topologies for Comfort Index Estimation in Aircraft Environments”. Nokas G., Diamantis Z., Tsahalis D.
11:20 – 11:40 : “Optimisation of the Parameters of a Back-Propagation Neural Network using Genetic Algorithms”. Photeinos D., Giannareli S., Tsahalis D.
11:40 – 12:00 : “Selection of the Optimal Patterns for the Training of an Artificial Neural Network based Virtual Passenger using a Genetic Algorithm”. Diamantis Z.G., Photeinos D.I., Nokas G., Tsahalis D.T.
12:00 – 12:20 : “Optimized Feature Extraction for Comfort Index Estimation in Aircraft Environments”. Nokas G., Photeinos D., T.
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Thursday 14:00 – 15:20 Room : XIOS I |
BIOMEDICINE AND BIOMECHANICS – SESSION I
Chairmen: Tzirtzilakis E & Neofytou P.
14:00 – 14:20 : "Numerical Simulation of the Hemodynamical Effects for Different Geometric Configurations of Composite Arterial Coronary Grafts". Politis A.K., Stavropoulos G.E., Christolis M.N. Panagopoulos F.G., Markatos N.C.
14:20 – 14:40 : "Blood Flow in a Rectangular Channel under the Action of a Magnetic Field". Xenos M., Tzirtzilakis E.E., Loukopoulos V.C, Kafoussias N.G.
14:40 – 15:00 : "Estimation of Left Ventricular Wall Stress and Fluid Flow Trough the LV Myocardial Soft Tissue". Reginald C. Jegathese
15:00 – 15:20 : "Numerical Study of the Flow Induced Effects by Different Blood Constitutive
Equations in a Stenosed Artery Model". Neofytou P., Tsangaris S., Kyriakidis
M.
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Thursday 14:00 – 15:40 Room : ATTICA I |
MINI-SYMPOSIUM
“EFFICIENT NUMERICAL METHODS FOR NONLINEAR PROBLEMS
WITH PHYSICAL APPLICATIONS”
Organized by Bratsos A, Bountis T., Vrahatis M.
SESSION I: Computational Methods for Nonlinear Dynamical Systems
Chairman: Bountis T.
14:00 – 14:20 : “Numerical Solution of the Boussinesq Equation using Spectral Methods and Stability of Solitary Wave Propagation”. Tzirtzilakis E., Skokos Ch., Bountis T.
14:20 – 14:40 : “SALI: An Efficient Indicator of Chaos with Application to 2 and 3 Degree of Freedom Hamiltonian Systems”. Antonopoulos C., Manos A., Skokos Ch.
14:40 – 15:00 : “Localized Oscillations in Nonlinear Lattices: Existence and Stability”. Panagopoulos P., Skokos Ch., Bountis T.
15:00 – 15:20 : “Regular and Chaotic Dynamics in Sitnikov’s Circular 3-Body Problem”. Soulis P., Bountis T., Leftaki M.
15:20 – 15:40 : “Explicit Construction of First Integrals by Singularity Analysis in Nonlinear
Dynamical Systems”. Efthymiopoulos C., Bountis T., Manos A.
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Thursday 14:00 – 15:40 Room : ATTICA II |
FLOW SIMULATION FOR FLUID ENGINEERING APPLICATIONS
Invited Session organized by Margaris D.
Chairmen: Kozel K. & Freskos G.
14:00 – 14:20 : “A Numerical Simulation of the Impeller-Volute Interaction in a Centrifugal Pump”. Mentzos M., Filios A.E., Margaris D.P., Papanikas D.G.
14:20 – 14:40 : “Trajectories and Entry Conditions of Space Vehicles in Planetary Atmospheres”. Panagiotopoulos E.E., Margaris D.P., Papanikas D.G.
14:40 – 15:00 : “Broadband Noise Radiation Analysis of a Hawt Rotor”. Tachos N.S., Fragias A.P., Filios A.E., Margaris D.P., Papanikas D.G.
15:00 – 15:20 : “Computational Study of Helicopter Rotor Aerodynamic Flowfield”. Zioutis X.K., Spyropoulos A.J., Margaris D.P., Papanikas D.G.
15:20 – 15:40 : “Unsteady Gas Flow Simulation in Gas Pipeline Systems using a Semi-
Discretized TVD Scheme”. Tentis E.S., Margaris D.P., Papanikas D.G.
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Thursday 14:00 – 15:40 Room : ATTICA III |
OPTIMIZATION METHODS & APPLICATIONS
Chairmen: Provatidis C. & To Tran
14:00 – 14:20 : "Structural Parameter Identification - Experimental Modal Analysis, Finite Element Method and Optimization Integration". Rosko P.
14:20 – 14:40 : "Numerical Method for Optimization of Semi-Passively Controlled Dynamical Systems". Berbyuk V.
14:40 – 15:00 : "A Comparative Study on Deterministic and Stochastic Optimization Algorithms Applied to Truss Design". Provatidis C.G., Venetsanos D.T., Vossou C.G.
15:00 – 15:20 : "Verification of Popular Deterministic and Stochastic Optimization Methods using Benchmark Mathematical Functions". Provatidis C.G., Vossou C.G., Venetsanos D.T.
15:20 – 15:40 : "Size Optimization of Tubular Trusses using a Virtual Strain Energy Density Approach". Provatidis C.
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Thursday 16:00 – 18:00 Room : XIOS I |
BIOMEDICINE AND BIOMECHANICS – SESSION II
Chairmen: Panteliou S. & Ishii K.
16:00 – 16:20 : "Use of Simulated Lesions for Detection Performance Assessment of Two Contrast Enhancement Methods in Mammography". Skiadopoulos S., Costaridou L., Sakellaropoulos P., Kalogeropoulou C.P., Likaki E., Panayiotakis G.
16:20 – 16:40 : "Modal Damping for Monitoring Bone Integrity and Osteoporosis in Rat Tibiae". Anastassopoulos G.T., Panteliou S.D., Panagiotopoulos E., Raptou P., Chondrou I.T.
16:40 – 17:00 : "Parameter Identification of Human Body Joint Characteristics". Krasna S., Ambroz M., Prebil I., Ravnik D. Hribernik M.
17:00 – 17:20 : "Using a Comparative Finite Element Method to Analyze the Crimping and Deployment loading in the Stent Geometry by Three-Dimensional (3D) and Bi-Dimensional (2D) Finite Element". Gheorghiu H., Ciobanu C.F., Cotet C.E.
17:20 – 17:40 : "Automating Medical Diagnosis in Renal Scintigrams using RBF Networks". Siogas G., Dermatas E.
17:40 – 18:00 : "Pairwise Alignment of DNA Sequence using Hypercomplex Number
Representation". Shu J.J., Ouw L.S.
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Thursday 16:00 – 17:40 Room : ATTICA I |
MINI-SYMPOSIUM
“EFFICIENT NUMERICAL METHODS FOR NONLINEAR PROBLEMS
WITH PHYSICAL APPLICATIONS”
Organized by Bratsos A, Bountis T., Vrahatis M.
SESSION II: Efficient Algorithms in Problems of Computational Intelligence
Chairman: Vrahatis M.
16:00 – 16:20 : “Tracing Periodic Orbits in 3D Galastic Potentials by the Particle Swarm Optimization Method”. Skokos Ch., Parsopoulos K. E., Patsis P.A., Vrahatis M. N.
16:20 – 16:40 : “Recent Advances in Fuzzy Cognitive Maps Learning Using Evolutionary Computation Techniques”. Parsopoulos K. E., Papageorgiou E. I., Groumpos P. P., Vrahatis M. N.
16:40 – 17:00 : “Trajectory Methods for Supervised Learning”. Petalas Y. G., Vrahatis M. N.
17:00 – 17:20 : “Time Series Forecasting Using Computational Intelligence Methods”. Pavlidis N. G., Vrahatis M. N.
17:20 – 17:40 : “Recent Approaches to Electronic Data Gathering with Privacy”. Laskari E. C.,
Meletiou G. C., Vrahatis M. N.
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Thursday 16:00 – 18:00 Room : ATTICA II |
Chairmen: Jaberg H. & Margaris D.
16:00 – 16:20 : "Harmonic Locking Phenomenon and Prediction of Long-Term Harbor Bottom Changes with Information on Actual Sea Level Oscillations". Kovinskaya S., Amromin E., Shulman O.
16:20 – 16:40 : "Simulation of the Unsteady Wind Phenomena around the Two-Dimensional Hill in Oscillating Inflow". Ciechanowski J., Jarza A.
16:40 – 17:00 : "Development of a Spectral Multidomain Penalty Method and its Application to the Investigation of High Reynolds Number Stratisfied Flows". Diamessis P.
17:00 – 17:20 : "Numerical Modelling of Two Real-Life Cases of ABL Flow". Benes L., Bodnar T., Kozel K.
17:20 – 17:40 : "Numerical Simulation of Pollutants Dispersion Around Warehouses on Fire". Sideris G.M., Christolis M.N., Markatos N.C.
17:40 – 18:00 : "Application of CFD for the Calculation of Ventilation Patterns and Thermal
Loads in Large Buildings". Bellache O., Galanis N., Ouzzane M.
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Thursday 16:00 – 17:20 Room : ATTICA III |
Chairmen: Rugescu R. D. & Lozina Z.
16:00 – 16:20 : "Analysis of Flexible Mechanisms Using the Conventional FEM". Kanarachos S., Spentzas C.
16:20 – 16:40 : "Dynamic Analysis of Constrained Multibody Systems". Lozina Z., Vlak F., Sedlar D.
16:40 – 17:00 : "Inverse Kinematics of a Star Parallel Manipulator". Staicu S., Rugescu R.D.
17:00 – 17:20 : "Open Loop Minimization of the Vibrations of Elastic Mechanism".
Kanarachos S., Koulocheris D.
17:20 – 17:40 : "Stress Analysis in Sliding Coated Contacts". Korsunsky A.M., Ma Lifeng., Kim Kyungmok.