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Ioannis Kakkos

3 papers indexed

crossrefJournal of Imaging2026-07-24

Organ Segmentation with Machine Learning Models

Alexandros Barmperis, Olga Menegaki, Anna Panagiotakopoulou, Andreas Vezakis, Ioannis Vezakis, Ioannis Kakkos, et al.

Accurate segmentation of abdominal organs in Computed Tomography (CT) underpins radiotherapy planning, surgical planning, and disease monitoring. Existing benchmarks rank architectures by a single aggregate Dice score, without per-organ statistical testing or boundary-sensitive m…

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crossrefAI2025-05-29Cited by 4

EEG-Based Assessment of Cognitive Resilience via Interpretable Machine Learning Models

Ioannis Kakkos, Elias Tzavellas, Eleni Feleskoura, Stamatis Mourtakos, Eleftherios Kontopodis, Ioannis Vezakis, et al.

Background: Cognitive resilience is a critical factor in high-performance environments such as military operations, where sustained stress can impair attention and decision-making. In the present study, we utilized EEG and machine learning to assess cognitive resilience in elite…

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crossrefFuture Internet2023-07-30Cited by 379

A Review of ARIMA vs. Machine Learning Approaches for Time Series Forecasting in Data Driven Networks

Vaia I. Kontopoulou, Athanasios D. Panagopoulos, Ioannis Kakkos, George K. Matsopoulos

In the broad scientific field of time series forecasting, the ARIMA models and their variants have been widely applied for half a century now due to their mathematical simplicity and flexibility in application. However, with the recent advances in the development and efficient de…

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