Research Experience

Current Appointment

Collaborating Researcher at the Computational BioMedicine Laboratory (CML) at the Institute of Computer Science of the Foundation for Research & Technology – Hellas (FORTH-ICS)

Visiting Lecturer at the Computer Science Department (CSD) of the University of Crete (UOC), Greece

Since 1998, I have been a member of the Telecommunications and Networks Laboratory and the Biomedical Informatics Laboratory of FORTH-ICS as a research intern in many collaborative R&D projects in the area of wireless communication networks, wireless ad hoc networks and ambient intelligence e-health environments.My expertise, specialization and research revolves around issues of the wider scientific domain of wireless communication networks and computational medicine, and in particular on cross layer design in wireless ad-hoc networks, wireless interference channel under SINR constrains, performance and analysis of mobile ad-hoc routing protocols, wireless network measurements analysis as well as in biomedical informatics, wireless medical sensors and ambient e-health and m-health related services.

Computational BioMedicine Laboratory (CBML), FORTH, Greece

Collaborating Researcher (November 2011 – today), Post-doctoral Research Fellow (January 2011-October 2011)

SpeechXRays (Principal Investigator)

Multi-channel biometrics combining acoustic and machine vision analysis of speech, lip movement and face. The SpeechXRays project will develop and test in real-life environments a user recognition platform based on voice acoustics analysis and audio-visual identity verification. SpeechXRays will outperform state-of-the-art solutions in the following areas: • Security: high accuracy solution (cross over accuracy1 of 1/100 i.e. twice the commercial voice/face solutions) • Privacy: biometric data stored in the device (or in a private cloud under the responsibility of the data subject) • Usability: text-independent speaker identification (no pass phrase), low sensitivity to surrounding noise • Cost-efficiency: use of standard embedded microphone and cameras (smartphones, laptops) The project will combine and pilot two proven techniques: acoustic driven voice recognition (using acoustic rather than statistical only models) and multi-channel biometrics incorporating dynamic face recognition (machine vision analysis of speech, lip movement and face). The vision of the SpeechXRays project is to provide a solution combining the convenience and cost-effectiveness of voice biometrics, achieving better accuracies by combining it with video, and bringing superior anti-spoofing capabilities. The technology will be deployed on 2000 users in 3 pilots: a workforce use case, an eHealth use case and a consumer use case. The project lasts 36 months and is coordinated by world leader in digital security solutions for the mobility space.

MyHealthAvatar: (ww.myhealthavatar.eu) Principal Investigatoro

A Demonstration of 4D Digital Avatar Infrastructure for Access of Complete Patient Information, MyHealthAvatar will be built on the latest ICT technology with an aim of engaging public interest to achieve its targeted outcomes. In addition to data access, it is also an interface to access integrative models and analysis tools, utilizing resources already created by the VPH community. Overall, it will contribute to individualized disease prediction and prevention and support healthy lifestyles and independent living.(March 2013 – February 2016)

REACTION(http://www.reactionproject.eu/).

The REACTION: Remote Accessibility to Diabetes Management and Therapy in Operational healthcare Networks, platform will present an interoperable peer-to-peer communication platform, for the long term management of diabetes using on wearable, continuous blood glucose monitoring sensors and automated closed-loop delivery of insulin, based on Service Oriented Architecture (SoA) and cloud-enabling middleware.(March 2010 – February 2014)

eu-Domain

Enabling users for-Distance-working & Organizational Mobility using Ambient Intelligence service Network.(April 2004 – September 2007)

Twister

Terrestrial Wireless Infrastructure integrated with Satellite Telecommunications for E-Rural applications.(March 2004 – September 2007)

ATTRACT

Applications in Telemedicine taking rapid advantage of cable television network evolution. (January 2000 - December 2002)

eu-Domain

Enabling users for-Distance-working & Organizational Mobility using Ambient Intelligence service Network.(April 2004 – September 2007)

Twister

Terrestrial Wireless Infrastructure integrated with Satellite Telecommunications for E-Rural applications.(March 2004 – September 2007)

ATTRACT

Applications in Telemedicine taking rapid advantage of cable television network evolution. (January 2000 - December 2002)

HYGEIAnet: Crete-A telematic center

Biomedical Informatics e-health system (design and implementation),(January 2001 - December 2003)

Remote Care

A remote patient monitoring platform for various clinical scenarios, supporting telemonitoring and telemanagement of patients by a distant expert. The platform is able to operate various medical components. Medical Devices: Software components (Stethoscope Vital Sign Monitor (emergency care), Spirometer, SpO2 meter, EEG, Electronic Scale), for real time acquisition and transmission of medical data from various medical devices over wireless and wired IP networks. Modular design allows medical devices to be operable over an ambient intelligence environment.

Pocket Network Auscultation

Software and hardware component able to acquire in real-time the acoustic signal, from a handheld device, and transmit it through a wireless network to a remote end where it is sent to the line-out port of a soundcard, and play backed to using a stethoscope earphone attached. A common stethoscope was used, fitted with a microphone, connected to the microphone-input of the PDA. Different kinds of FIR band pass filters were designed, developed and tested extensively in order to come up with the best corner frequencies. This device was tested and validated under real scenarios and medical examinations with in region of the health telematic network of Crete HYGEIAnet.

High Performance Computing Systems Laboratory (HPCL), Department of Computer Science, University of Cyprus

Marie Curie Post-doctoral fellow (August 2010 – December 2010)

VANET study using wireless information theoretic models

Study interference phenomenon in VANETs and provide insights on higher layer parameters can affect connectivity (i.e. minimize delay, overhead, and maximize aggregate rate by maximizing the number of simultaneous transmissions and individual transmission link rates.

VIVAgr : a visualization VENET graph connectivity tool

Design and implementation of a visualization tool presenting, in real time, VANET connectivity graphs, using realistic mobility traces.

Telecommunications and Networks Laboratory (TNL), FORTH, Greece

Research Assistant (January 2002 – November 2009)

Cross Layer Design in wireless networks

Research on cross layer rate adaptation in wireless ad-hoc networks when multiple uncoordinated links share a common medium and the effect of interference is present, limiting network performance, Research Performance analysis and modeling of mobile, wireless, ad hoc networks. Advisor: Prof. Apostolos Traganitis

Ad-Hoc routing protocols

OPNET simulation studies on Routing Protocol (DSR, AODV) in wireless mobile ad-hoc networks, Advisor: Prof. Apostolos Traganitis.

The Institute for Systems Research (ISR), University of Maryland (UMD) , USA

Research Assistant (March 2006 – December 2006)

Cross Layer Design in wireless ad-hoc networks for rate adaptation

Study on cross-layer techniques in the design and study of wireless ad hoc networks. Focus on finding how adapting various parameters of the telecommunication system can allow concurrent transmissions, minimize interference, enhance network throughput, maximize individual link data rates, and optimally utilize the network resources for all competing transmissions. Advisor: Prof. Antony Ephremides.