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IOANNIS (JOHN) D. APOSTOLOPOULOS
Postdoctoral Researcher
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Silver award in the Best Machine Learning solution section of AI&Data Awards 2025 by Ubitech
The Artificial Intelligence, Computational Systems, and Technological Applications Laboratory ( ACTA Lab ) of the University of...


Ranked among World's Top 1.2% of Scientists in Artificial Intelligence for 2023
I was ranked 5,626th out of 399,064 scientists worldwide in the field of Artificial Intelligence for 2023, placing me in the top 1.41%,...

26th Growth Forum, 18-19 November 2023
Presenting: “ENSENSIA: Air Quality Monitoring Station by FORTH/ICEHT”

INNODAYS, 24-26 November 2023
Presenting: “ENSENSIA: Air Quality Monitoring Station by FORTH/ICEHT”

PatrasIQ, 25-27 November 2023
Presenting: “ENSENSIA: Air Quality Monitoring Station by FORTH/ICEHT”

Research Interest is higher than 99% of all members who first published in 2016
Source: Research Gate

Research Interest is higher than 91% of all Research Gate members
Source: Research Gate

Ranked 2nd most cited University of Patras papers referring to the COVID-19 disease
Source: University of Patras

Ranked among the top ten most cited Researchers in the field of Fuzzy Cognitive Maps
Source: Google Scholar


Participation in Round Table Discussion
@ the 6th Hellenic Conference on Oncology, Thessaloniki, Greece, 04-07 May 2022 Title: Artificial Intelligence Applications in Nuclear...


Highly-cited Publication about COVID-19 (275+ citations)
Extracting possibly representative COVID-19 Biomarkers from X-Ray images with Deep Learning approach and image data related to Pulmonary...


Highly-cited Publication about COVID-19 (1800+ citations)
Covid-19: Automatic detection from X-Ray images utilizing Transfer Learning with Convolutional Neural Networks Ioannis D Apostolopoulos,...


High Impact Publication in Atmosphere
Field Calibration of a Low-Cost Air Quality Monitoring Device in an Urban Background Site Using Machine Learning Models Ioannis D...


High Impact Publication in EJNMMI Physics
Deep learning-enhanced nuclear medicine SPECT imaging applied to cardiac studies Ioannis D Apostolopoulos, Nikolaos I Papandrianos, Anna...


High Impact Publication in Journal of Ambient Intelligence and Humanized Computing
Industrial object and defect recognition utilizing multilevel feature extraction from industrial scenes with Deep Learning approach...

High Impact Publication in European Journal of Nuclear Medicine and Molecular Imaging
Applications of Generative Adversarial Networks (GANs) in Positron Emission Tomography (PET) imaging: A review Ioannis D Apostolopoulos,...
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