Fun with Flags: Robust Principal Directions via Flag Manifolds

N Mankovich, G Camps-Valls… - Proceedings of the IEEE …, 2024 - openaccess.thecvf.com
Principal component analysis (PCA) along with its extensions to manifolds and outlier
contaminated data have been indispensable in computer vision and machine learning. In …

[HTML][HTML] Color illusions also deceive CNNs for low-level vision tasks: Analysis and implications

A Gomez-Villa, A Martín, J Vazquez-Corral… - Vision Research, 2020 - Elsevier
The study of visual illusions has proven to be a very useful approach in vision science. In
this work we start by showing that, while convolutional neural networks (CNNs) trained for …

Graph matching for adaptation in remote sensing

D Tuia, J Munoz-Mari… - IEEE Transactions on …, 2012 - ieeexplore.ieee.org
We present an adaptation algorithm focused on the description of the data changes under
different acquisition conditions. When considering a source and a destination domain, the …

Derivatives and inverse of cascaded linear+ nonlinear neural models

M Martinez-Garcia, P Cyriac, T Batard, M Bertalmío… - PloS one, 2018 - journals.plos.org
In vision science, cascades of Linear+ Nonlinear transforms are very successful in modeling
a number of perceptual experiences. However, the conventional literature is usually too …

Kernel methods and their derivatives: Concept and perspectives for the earth system sciences

JE Johnson, V Laparra, A Pérez-Suay, MD Mahecha… - Plos one, 2020 - journals.plos.org
Kernel methods are powerful machine learning techniques which use generic non-linear
functions to solve complex tasks. They have a solid mathematical foundation and exhibit …

Regression wavelet analysis for lossless coding of remote-sensing data

N Amrani, J Serra-Sagristà, V Laparra… - … on Geoscience and …, 2016 - ieeexplore.ieee.org
A novel wavelet-based scheme to increase coefficient independence in hyperspectral
images is introduced for lossless coding. The proposed regression wavelet analysis (RWA) …

Functional connectivity via total correlation: Analytical results in visual areas

Q Li, G Ver Steeg, J Malo - Neurocomputing, 2024 - Elsevier
Recent studies invoke the superiority of the multivariate Total Correlation concept over the
conventional pairwise measures of functional connectivity in biological networks. Those …

On the relation between statistical learning and perceptual distances

A Hepburn, V Laparra, R Santos-Rodriguez… - arxiv preprint arxiv …, 2021 - arxiv.org
It has been demonstrated many times that the behavior of the human visual system is
connected to the statistics of natural images. Since machine learning relies on the statistics …

Estimating Information Theoretic Measures via Multidimensional Gaussianization

V Laparra, JE Johnson, G Camps-Valls… - … on Pattern Analysis …, 2024 - ieeexplore.ieee.org
Information theory is an outstanding framework for measuring uncertainty, dependence, and
relevance in data and systems. It has several desirable properties for real-world …

Cortical divisive normalization from Wilson–Cowan neural dynamics

J Malo, JJ Esteve-Taboada, M Bertalmío - Journal of Nonlinear Science, 2024 - Springer
Abstract Divisive Normalization and the Wilson–Cowan equations are well-known influential
models of nonlinear neural interaction (Carandini and Heeger in Nat Rev Neurosci 13 (1) …