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Publications

For more information, visit Prof. González's Google Scholar profile here.

Grading diabetic retinopathy and prostate cancer diagnostic images with deep quantum ordinal regression, 2022

Although for many diseases there is a progressive diagnosis scale, automatic analysis of grade-based medical images is quite often addressed as a binary classification problem, …

S Toledo-Cortés, DH Useche, H Müller | Computers in Biology… |

Quantum measurement classification with qudits, 2022

This paper presents a hybrid classical-quantum program for density estimation and supervised classification. The program is implemented as a quantum circuit in a high-dimensional …

DH Useche, A Giraldo-Carvajal | Quantum Information… | ( PDF )

Mandibular shape prediction model using machine learning techniques, 2022

Objective To create a mandibular shape prediction model using machine learning techniques and geometric morphometrics. Materials and methods Six hundred twenty-nine …

TC Ni�o-Sandoval, RA Jaque, FA González | Clinical Oral… |

Optimisation-free Classification and Density Estimation with Quantum Circuits, 2022

We demonstrate the implementation of a novel machine learning framework for classification and probability density estimation using quantum circuits. The framework maps a training …

V Vargas-Calderón, FA González | arXiv preprint arXiv… | ( PDF )

Computing expectation values of density matrices for quantum anomaly detection, 2022

This article presents a novel classical-quantum anomaly detection model based on density estimation and the expected values of density matrices. The core subroutine of the proposed …

DH Useche, OA Bustos-Brinez, JA Gallego | arXiv preprint arXiv… | ( PDF )

A case study in technology-enhanced learning in an introductory computer programming course, 2022

In this article, the authors present a case study of an intervention in an introductory programming course aimed at improving the learning experience of students through the use of three …

JJ Ramírez-Echeverry, F Restrepo-Calle | Global Journal of… | ( PDF )

Classification with quantum measurements, 2021

This paper reports a novel method for supervised machine learning based on the mathematical formalism that supports quantum mechanics. The method uses projective quantum …

FA González, V Vargas-Calderón | Journal of the Physical… | ( PDF )

Robust kernels for robust location estimation, 2021

This paper shows that least-square estimation (mean calculation) in a reproducing kernel Hilbert space (RKHS) F corresponds to different M-estimators in the original space depending …

JA Gallego, FA González, O Nasraoui | Neurocomputing | ( PDF )

Learning with Density Matrices and Random Features, 2021

A density matrix describes the statistical state of a quantum system. It is a powerful formalism to represent both the quantum and classical uncertainty of quantum systems and to express …

FA González, A Gallego, S Toledo-Cortés | arXiv preprint arXiv… | ( PDF )

A deep learning model for classification of diabetic retinopathy in eye fundus images based on retinal lesion detection, 2021

Diabetic retinopathy (DR) is the result of a complication of diabetes affecting the retina. It can cause blindness, if left undiagnosed and untreated. An ophthalmologist performs the …

M delaPava, H R�os, FJ Rodr�guez, OJ Perdomo | arXiv preprint arXiv… | ( PDF )

Many-Qudit Representation for the Travelling Salesman Problem Optimisation, 2021

We present a map from the travelling salesman problem (TSP), a prototypical NP-complete combinatorial optimisation task, to the ground state associated with a system of many-qudits. …

V Vargas-Calderón, N Parra-A | Journal of the Physical… | ( PDF )

Deep Bag-of-Sub-Emotions for Depression Detection in Social Media, 2021

This paper presents DeepBoSE, a novel deep learning model for depression detection in social media. The model is formulated such that it internally computes a differentiable Bag-of-…

JS Lara, ME Aragón, FA González | …Conference on Text… | ( PDF )

Prostate Tissue Grading with Deep Quantum Measurement Ordinal Regression, 2021

Prostate cancer (PCa) is one of the most common and aggressive cancers worldwide. The Gleason score (GS) system is the standard way of classifying prostate cancer and the most …

S Toledo-Cortés, DH Useche, FA González | arXiv preprint arXiv… | ( PDF )

Gated multimodal networks, 2020

This paper considers the problem of leveraging multiple sources of information or data modalities (eg, images and text) in neural networks. We define a novel model called gated …

J Arevalo, T Solorio, M Montes-y-Gomez | Neural Computing and… |

Using an interactive software tool for the formative and summative evaluation in a computer programming course: an experience report, 2020

This article describes the use of an automatic tool that supports both formative and summative evaluation, in an introductory computer programming course. The aim was to test the tool …

F Restrepo-Calle, JJ Ramírez-Echeverry | Global Journal of… | ( PDF )

Hybrid deep learning gaussian process for diabetic retinopathy diagnosis and uncertainty quantification, 2020

Diabetic Retinopathy (DR) is one of the microvascular complications of Diabetes Mellitus, which remains as one of the leading causes of blindness worldwide. Computational models …

S Toledo-Cortés, M De La Pava, O Perdomo | …on Ophthalmic Medical… | ( PDF )

A lightweight deep learning model for mobile eye fundus image quality assessment, 2020

Image acquisition and automatic quality analysis are fundamental stages and tasks to support an accurate ocular diagnosis. In particular, when eye fundus image quality is not …

AD Pérez, O Perdomo | …Symposium on Medical… | ( PDF )

Multimodal latent semantic alignment for automated prostate tissue classification and retrieval, 2020

This paper presents an information fusion method for the automatic classification and retrieval of prostate histopathology whole-slide images (WSIs). The approach employs a weakly-…

JS Lara, VH Contreras O, S Otalora, H Müller | …Conference on Medical… | ( PDF )

Dissimilarity mixture autoencoder for deep clustering, 2020

The dissimilarity mixture autoencoder (DMAE) is a neural network model for feature-based clustering that incorporates a flexible dissimilarity function and can be integrated into any kind …

JS Lara, FA González | arXiv preprint arXiv:2006.08177 | ( PDF )

A conditional generative adversarial network-based method for eye fundus image quality enhancement, 2020

Eye fundus image quality represents a significant factor involved in ophthalmic screening. Usually, eye fundus image quality is affected by artefacts, brightness, and contrast hindering …

AD Pérez, O Perdomo, H Rios, F Rodr�guez…� | …on Ophthalmic Medical… |

Phase Diagram Reconstruction of the Bose–Hubbard Model with a Restricted Boltzmann Machine Wavefunction, 2020

Recently, the use of neural quantum states for describing the ground state of many- and few-body problems has been gaining popularity because of their high expressivity and ability to …

V Vargas-Calderón, H Vinck-Posada | Journal of the Physical… | ( PDF )

Deep fusion of multiple term-similarity measures for biomedical passage retrieval, 2020

Passage retrieval is an important stage of question answering systems. Closed domain passage retrieval, eg biomedical passage retrieval presents additional challenges such as …

A Rosso-Mateus, M Montes-y-Gómez | Journal of Intelligent… | ( PDF )

A Deep Metric Learning Method for Biomedical Passage Retrieval, 2020

Passage retrieval is the task of identifying text snippets that are valid answers for a natural language posed question. One way to address this problem is to look at it as a metric learning …

A Rosso-Mateus, FA González | Proceedings of the 28th… |