activity
20192026
most citedIs K-fold cross validation the best model selection method for Machine Learning?

41 citations · 68 across the 13 of their papers we have counts for

collaborators

13 papers

cs.CV2026

A continually expandable foundation model for brain MRI

Michail Mamalakis, Carmen Jimenez-Mesa, Yonghao Li +8

Brain magnetic resonance imaging (MRI) is central to neuroscience and clinical assessment, but models are commonly developed for individual diseases, populations or imaging protoco…

q-bio.NC2025

Association-sensory spatiotemporal hierarchy and functional gradient-regularised recurrent neural network with implications for schizophrenia

Subati Abulikemu, Puria Radmard, Michail Mamalakis +1

The human neocortex is functionally organised at its highest level along a continuous sensory-to-association (AS) hierarchy. This study characterises the AS hierarchy of patients w…

q-bio.NC2025

Geometry-Guided Generative Representation for Functional Brain Graphs

Subati Abulikemu, Tiago Azevedo, Michail Mamalakis +1

In network neuroscience, functional brain systems are often characterized using separate yet related graph-theoretic or spectral descriptors, overlooking how these properties covar…

stat.AP2025

Latent space projections and atlases: A cautionary tale in deep neuroimaging using autoencoders

J. M. Gorriz, F. Segovia, C. Jimenez +5

This study introduces a deep learning framework for the inferential exploration of latent representations in 3D brain MRI, leveraging a simple convolutional autoencoder with a hier…

eess.IV2025

Uncovering Neuroimaging Biomarkers of Brain Tumor Surgery with AI-Driven Methods

Carmen Jimenez-Mesa, Yizhou Wan, Guilio Sansone +7

Brain tumor resection is a highly complex procedure with profound implications for survival and quality of life. Predicting patient outcomes is crucial to guide clinicians in balan…

cs.AI2024★ 4 cited

The Explanation Necessity for Healthcare AI

Michail Mamalakis, Héloïse de Vareilles, Graham Murray +2

Explainability is a critical factor in enhancing the trustworthiness and acceptance of artificial intelligence (AI) in healthcare, where decisions directly impact patient outcomes.…

eess.IV2024

Contrastive-Adversarial and Diffusion: Exploring pre-training and fine-tuning strategies for sulcal identification

Michail Mamalakis, Héloïse de Vareilles, Shun-Chin Jim Wu +7

In the last decade, computer vision has witnessed the establishment of various training and learning approaches. Techniques like adversarial learning, contrastive learning, diffusi…

cs.CV2024★ 5 cited

Solving the enigma: Enhancing faithfulness and comprehensibility in explanations of deep networks

Michail Mamalakis, Antonios Mamalakis, Ingrid Agartz +4

The accelerated progress of artificial intelligence (AI) has popularized deep learning models across various domains, yet their inherent opacity poses challenges, particularly in c…

stat.ML2024★ 8 cited

Statistical Agnostic Regression: a machine learning method to validate regression models

Juan M Gorriz, J. Ramirez, F. Segovia +3

Regression analysis is a central topic in statistical modeling, aimed at estimating the relationships between a dependent variable, commonly referred to as the response variable, a…

stat.ML2024★ 41 cited

Is K-fold cross validation the best model selection method for Machine Learning?

Juan M Gorriz, R. Martin Clemente, F Segovia +3

As a technique that can compactly represent complex patterns, machine learning has significant potential for predictive inference. K-fold cross-validation (CV) is the most common a…

cs.CV2023

An explainable three dimension framework to uncover learning patterns: A unified look in variable sulci recognition

Michail Mamalakis, Heloise de Vareilles, Atheer AI-Manea +8

The significant features identified in a representative subset of the dataset during the learning process of an artificial intelligence model are referred to as a 'global' explanat…

stat.ML2022★ 9 cited

A hypothesis-driven method based on machine learning for neuroimaging data analysis

JM Gorriz, R. Martin-Clemente, C. G. Puntonet +3

There remains an open question about the usefulness and the interpretation of Machine learning (MLE) approaches for discrimination of spatial patterns of brain images between sampl…

stat.ML2019★ 1 cited

Statistical Agnostic Mapping: a Framework in Neuroimaging based on Concentration Inequalities

J M Gorriz, SiPBA Group, CAM neuroscience

In the 70s a novel branch of statistics emerged focusing its effort in selecting a function in the pattern recognition problem, which fulfils a definite relationship between the qu…