Resume

Selected Research Projects

Work Experience

Athens University of Economics and Business (Jan 2022 - Now)

Post-doctoral researcher and principal investigator in research projects on geometry deformation and manipulation, and illumination optimization.

Hellenic Air Force (Jan 2020 - Jan 2021)

Development of spatial computational algorithms, during the mandatory military service.

Nomitech LTD (Aug 2016 - Dec 2019)

Design and develop a high performance architectural model rendering engine with support for manipulating models and measuring geometric quantities.

Athens University of Economics and Business (Mar 2014 - Apr 2016)

Research and develop a lighting design tool for placing and optimizing light sources inside a three-dimensional environment using NVIDIA Optix framework and taking advantage of multi-threading systems.

Intracom-Telecom, R&D Department (Sept 2013 - Apr 2016)

Designed and created a distributed application using the Storm framework for monitoring and analyzing systems in real time.

Intracom-Telecom, R&D Department (2013)

Intern | Designed and created a distributed application using the Storm framework for analyzing IPTV usage data in real time.

Publications

Opening Design using Bayesian Optimization | VRIH (CGI 2023), 2023

Virtual Reality and Intelligent Hardware, Proc. Computer Graphics International, 2023
N. Vitsas, I. Evangelou, G. Papaioannou, A. Gkaravelis

A Neural Builder for Spatial Subdivision Hierarchies | Visual Computer, 2023

Visual Computer, Proc. Computer Graphics International, 2023
I. Evangelou, G. Papaioannou, K. Vardis, A. Gkaravelis

Parallel Transformation of Bounding Volume Hierarchies into Oriented Bounding Box Trees | Computer Graphics Forum, 2023

Computer Graphics Forum, Proc. Eurographics, 2023
N. Vitsas, I. Evangelou, G. Papaioannou, A. Gkaravelis

Real-Time Volume Editing on Low-Power Virtual Reality Devices | GRAPP, 2023

Proc. 18th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications (GRAPP), 2023
I. Evangelou, A. Gkaravelis, G. Papaioannou

Remote Teaching Advanced Rendering Topics Using the Rayground Platform | IEEE, 2021

IEEE Computer Graphics and Applications, 41(5), p. 99-103, 2021
Authors: A. A. Vasilakis, G. Papaioannou, N. Vitsas, A. Gkaravelis

WEBRAYS: Ray Tracing on the Web, Ray Tracing Gems II | Ray Tracing Gems II, 2021

A. Marrs (Ed.), P. Shirley (Ed.), I. Wald (Ed.), ISBN 978-1-4842-4427-2, p. 281-299, 2021
Authors: N. Vitsas, A. Gkaravelis, A. A. Vasilakis, K. Vardis, G. Papaioannou

Rayground: An Online Educational Tool for Ray Tracing | Eurographics (Educational papers), 2020

Proc. Eurographics 2020, Educational paper track, 2020
Authors: N. Vitsas, A. Gkaravelis, A. A. Vasilakis, K. Vardis, G. Papaioannou

Illumination-guided Furniture Layout Optimization | Computer Graphics Forum, 2020

Computer Graphics Forum, Proc. Eurographics, 2020.
Authors: N. Vitsas, G. Papaioannou, A. Gkaravelis, G. Papaioannou

Light Optimization for Detail Highlighting | Computer Graphics Forum, 2018

Computer Graphics Forum (proc. Pacific Graphics 2018), 37(7), pp. 37-44, October, 2018.
Authors: A. Gkaravelis, G. Papaioannou

Detail Highlighting using a Shadow Edge Histogram | EG (Short), 2017

Proc. Eurographics 2017, short paper track, 2017
Authors: A. Gkaravelis, G. Papaioannou

Inverse lighting design using a coverage optimization strategy | Visual Computer, 2016

The Visual Computer: International Journal of Computer Graphics, Volume 32, Issue 6-8, pp. 771-780, June 2016
Authors: A. Gkaravelis, G. Papaioannou

Inverse Light Design for High-Occlusion Environments | GRAPP, 2015

GRAPP 2015 Proceedings of the 10th International Conference on Computer Graphics Theory and Applications, pp. 26-34, Berlin, Germany
Authors: A. Gkaravelis, G. Papaioannou, K. Kalampokis

Real-time Radiance Caching using Chrominance Compression | JCGT, 2015

Journal of Computer Graphics Techniques (JCGT) - presented at i3D 2015.
Authors: K. Vardis, G. Papaioannou, A. Gkaravelis

Teaching Experience

Education