George A. Kastis

According to our database, George A. Kastis authored at least 10 papers between 2002 and 2024.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2024

Noninvasive Quantification of Glucose Metabolism in Mice Myocardium Using the Spline Reconstruction Technique.

Alexandros Vrachliotis, Anastasios Gaitanis, Nicholas E. Protonotarios, George A. Kastis, Lena Costaridou

J. Imaging, July, 2024

Advancing oncology with federated learning: transcending boundaries in breast, lung, and prostate cancer. A systematic review.

Anshu Ankolekar, Sebastian Boie, Maryam Abdollahyan, Emanuela Gadaleta, Seyed Alireza Hasheminasab, Guang Yang, Charles Beauville, Nikolaos Dikaios, George A. Kastis, Michael Bussmann, Sara Khalid, Hagen Kruger, Philippe Lambin, Giorgos Papanastasiou

CoRR, 2024

2022

Discrete Shearlets as a Sparsifying Transform in Low-Rank Plus Sparse Decomposition for Undersampled (k, t)-Space MR Data.

Nicholas E. Protonotarios, Evangelia Tzampazidou, George A. Kastis, Nikolaos Dikaios

J. Imaging, 2022

Sigmoid and Beyond: Algebraic Activation Functions for Artificial Neural Networks Based on Solutions of a Riccati Equation.

Nicholas E. Protonotarios, Athanassios S. Fokas, George A. Kastis, Nikolaos Dikaios

IT Prof., 2022

Evaluation of the spline reconstruction technique for preclinical PET imaging.

Alexandros Vrachliotis, George A. Kastis, Nicholas E. Protonotarios, Athanasios S. Fokas, Stephan G. Nekolla, Constantinos D. Anagnostopoulos, Lena Costaridou, Anastasios Gaitanis

Comput. Methods Programs Biomed., 2022

2019

A Spline Approach to Parallel-Hole Collimator Deblurring for aSRT-Reconstructed SPECT Images.

Nicholas E. Protonotarios, Antonios Charalambopoulos, George A. Kastis, Krzysztof Kacperski, Athanassios S. Fokas

Proceedings of the 19th IEEE International Conference on Bioinformatics and Bioengineering, 2019

2017

Automatic cumulative sums contour detection of FBP-reconstructed multi-object nuclear medicine images.

Nicholas E. Protonotarios, George M. Spyrou, George A. Kastis

Comput. Biol. Medicine, 2017

2015

Mathematical Methods in PET and SPECT Imaging.

Athanassios S. Fokas, George A. Kastis

Proceedings of the Handbook of Mathematical Methods in Imaging, 2015

2009

Analytical reconstructions for PET and spect employing L1-denoising.

Paolo Emilio Barbano, Athanassios S. Fokas, George A. Kastis

Proceedings of the 16th International Conference on Digital Signal Processing, 2009

2002

Objective Comparison of Quantitative Imaging Modalities Without the Use of a Gold Standard.

John W. Hoppin, Matthew A. Kupinski, George A. Kastis, Eric Clarkson, Harrison H. Barrett

IEEE Trans. Medical Imaging, 2002