Nikolaos Dikaios - researchr alias

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Viewing Publication 1 - 10 from 10

2024

Numerical Computation of Neumann Controls for the Heat Equation on a Finite IntervalKonstantinos Kalimeris, Türker Özsari, Nikolaos Dikaios. tac, 69(1):161-173, January 2024. [doi]

Is Attention all You Need in Medical Image Analysis? A ReviewGiorgos Papanastasiou, Nikolaos Dikaios, Jiahao Huang, Chengjia Wang, Guang Yang 0006. titb, 28(3):1398-1411, March 2024. [doi]

2022

Sigmoid and Beyond: Algebraic Activation Functions for Artificial Neural Networks Based on Solutions of a Riccati EquationNicholas E. Protonotarios, Athanassios S. Fokas, George A. Kastis, Nikolaos Dikaios. itpro, 24(5):30-36, 2022. [doi]

Discrete Shearlets as a Sparsifying Transform in Low-Rank Plus Sparse Decomposition for Undersampled (k, t)-Space MR DataNicholas E. Protonotarios, Evangelia Tzampazidou, George A. Kastis, Nikolaos Dikaios. jimaging, 8(2):29, 2022. [doi]

2020

Stochastic Gradient Langevin dynamics for joint parameterization of tracer kinetic models, input functions, and T1 relaxation-times from undersampled k-space DCE-MRINikolaos Dikaios. mia, 62:101690, 2020. [doi]

2017

A comparison of Bayesian and non-linear regression methods for robust estimation of pharmacokinetics in DCE-MRI and how it affects cancer diagnosisNikolaos Dikaios, David Atkinson, Chiara Tudisca, Pierpaolo Purpura, Martin Forster, Hashim Uddin Ahmed, Timothy Beale, Mark Emberton, Shonit Punwani. cmig, 56:1-10, 2017. [doi]

2014

Direct parametric reconstruction from undersampled (k, t)-space data in dynamic contrast enhanced MRINikolaos Dikaios, Simon R. Arridge, Valentin Hamy, Shonit Punwani, David Atkinson. mia, 18(7):989-1001, 2014. [doi]

Respiratory motion correction in dynamic MRI using robust data decomposition registration - Application to DCE-MRIValentin Hamy, Nikolaos Dikaios, Shonit Punwani, Andrew Melbourne, Arash Latifoltojar, Jesica Makanyanga, Manil Chouhan, Emma Helbren, Alex Menys, Stuart Taylor, David Atkinson. mia, 18(2):301-313, 2014. [doi]

Multi-modal pharmacokinetic modelling for DCE-MRI: using diffusion weighted imaging to constrain the local arterial input functionValentin Hamy, Marc Modat, Rebecca Shipley, Nikolaos Dikaios, Jon O. Cleary, Shonit Punwani, Sébastien Ourselin, David Atkinson, Andrew Melbourne. miip 2014: [doi]

Dynamic MR Image Reconstruction-Separation From Undersampled (${\bf k}, t$)-Space via Low-Rank Plus Sparse PriorBenjamin Trémoulhéac, Nikolaos Dikaios, David Atkinson, Simon R. Arridge. tmi, 33(8):1689-1701, 2014. [doi]

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