Search Results for author: Salvador García

Found 19 papers, 5 papers with code

Multisource Semisupervised Adversarial Domain Generalization Network for Cross-Scene Sea-Land Clutter Classification

no code implementations9 Feb 2024 Xiaoxuan Zhang, Quan Pan, Salvador García

MSADGN can extract domain-invariant and domain-specific features from one labeled source domain and multiple unlabeled source domains, and then generalize these features to an arbitrary unseen target domain for real-time prediction of sea\textendash land clutter.

Domain Generalization Generative Adversarial Network

On Forecast Stability

no code implementations26 Oct 2023 Rakshitha Godahewa, Christoph Bergmeir, Zeynep Erkin Baz, Chengjun Zhu, Zhangdi Song, Salvador García, Dario Benavides

To fill this gap, we propose a simple linear-interpolation-based approach that is applicable to stabilise the forecasts provided by any base model vertically and horizontally.

Semi-Supervised Constrained Clustering: An In-Depth Overview, Ranked Taxonomy and Future Research Directions

no code implementations28 Feb 2023 Germán González-Almagro, Daniel Peralta, Eli de Poorter, José-Ramón Cano, Salvador García

To remedy this, this study presents in-detail the background of constrained clustering and provides a novel ranked taxonomy of the types of constraints that can be used in constrained clustering.

Constrained Clustering

Semi-supervised Clustering with Two Types of Background Knowledge: Fusing Pairwise Constraints and Monotonicity Constraints

no code implementations25 Feb 2023 Germán González-Almagro, Juan Luis Suárez, Pablo Sánchez-Bermejo, José-Ramón Cano, Salvador García

This study addresses the problem of performing clustering in the presence of two types of background knowledge: pairwise constraints and monotonicity constraints.

Clustering

Handling Imbalanced Classification Problems With Support Vector Machines via Evolutionary Bilevel Optimization

no code implementations21 Apr 2022 Alejandro Rosales-Pérez, Salvador García, Francisco Herrera

The resulting optimization problem is a bilevel problem, where the lower level determines the support vectors and the upper level the hyperparameters.

Bilevel Optimization Binary Classification +2

Fuzzy k-Nearest Neighbors with monotonicity constraints: Moving towards the robustness of monotonic noise

1 code implementation5 Mar 2020 Sergio González, Salvador García, Sheng-Tun Li, Robert John, Francisco Herrera

This paper proposes a new model based on Fuzzy k-Nearest Neighbors for classification with monotonic constraints, Monotonic Fuzzy k-NN (MonFkNN).

Comprehensive Taxonomies of Nature- and Bio-inspired Optimization: Inspiration versus Algorithmic Behavior, Critical Analysis and Recommendations

no code implementations19 Feb 2020 Daniel Molina, Javier Poyatos, Javier Del Ser, Salvador García, Amir Hussain, Francisco Herrera

Using these taxonomies we review more than three hundred publications dealing with nature-inspired and bio-inspired algorithms, and proposals falling within each of these categories are examined, leading to a critical summary of design trends and similarities between them, and the identification of the most similar classical algorithm for each reviewed paper.

A snapshot on nonstandard supervised learning problems: taxonomy, relationships and methods

no code implementations29 Nov 2018 David Charte, Francisco Charte, Salvador García, Francisco Herrera

This field is subdivided into multiple areas, among which the best known are supervised learning (e. g. classification and regression) and unsupervised learning (e. g. clustering and association rules).

Binary Classification Classification +3

OCAPIS: R package for Ordinal Classification And Preprocessing In Scala

no code implementations23 Oct 2018 M. Cristina Heredia-Gómez, Salvador García, Pedro Antonio Gutiérrez, Francisco Herrera

The classification and pre-processing of this type of data is attracting more and more interest in the area of machine learning, due to its presence in many common problems.

Classification General Classification +1

BELIEF: A distance-based redundancy-proof feature selection method for Big Data

1 code implementation16 Apr 2018 Sergio Ramírez-Gallego, Salvador García, Ning Xiong, Francisco Herrera

Empirical tests performed on our method show its estimation ability in manifold huge sets --both in number of features and instances--, as well as its simplified runtime cost (specially, at the redundancy detection step).

feature selection

A practical tutorial on autoencoders for nonlinear feature fusion: Taxonomy, models, software and guidelines

1 code implementation4 Jan 2018 David Charte, Francisco Charte, Salvador García, María J. del Jesus, Francisco Herrera

Many of the existing machine learning algorithms, both supervised and unsupervised, depend on the quality of the input characteristics to generate a good model.

Enabling Smart Data: Noise filtering in Big Data classification

no code implementations6 Apr 2017 Diego García-Gil, Julián Luengo, Salvador García, Francisco Herrera

In any knowledge discovery process the value of extracted knowledge is directly related to the quality of the data used.

Classification General Classification

On the use of convolutional neural networks for robust classification of multiple fingerprint captures

no code implementations21 Mar 2017 Daniel Peralta, Isaac Triguero, Salvador García, Yvan Saeys, Jose M. Benitez, Francisco Herrera

In our experiments, convolutional neural networks yielded better accuracy and penetration rate than state-of-the-art classifiers based on explicit feature extraction.

Classification General Classification +1

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