Publications by the researcher in collaboration with JULIO JOSÉ CARABIAS ORTI (36)

2025

  1. Polygraph and audio synchronization applied to apnea event analysis based on non-negative matrix factorization

    Eurasip Journal on Audio, Speech, and Music Processing, Vol. 2025, Núm. 1

2024

  1. Audio-Polygraphy Dataset for Sleep Apnea Analysis (APSAA)

    Zenodo

  2. Expert system-based application for fatal ventricular arrhythmia risk level estimation based on QT-Interval prolongation

    Expert Systems with Applications, Vol. 255

  3. Improving snore detection under limited dataset through harmonic/percussive source separation and convolutional neural networks

    Applied Acoustics, Vol. 216

2023

  1. Automatic Robust Crackle Detection and Localization Approach Using AR-Based Spectral Estimation and Support Vector Machine

    Applied Sciences (Switzerland), Vol. 13, Núm. 19

  2. Detection of valvular heart diseases combining orthogonal non-negative matrix factorization and convolutional neural networks in PCG signals

    Journal of Biomedical Informatics, Vol. 145

2022

  1. Multichannel Blind Music Source Separation Using Directivity-Aware MNMF with Harmonicity Constraints

    IEEE Access, Vol. 10, pp. 17781-17795

2021

  1. An incremental algorithm based on multichannel non-negative matrix partial co-factorization for ambient denoising in auscultation

    Applied Acoustics, Vol. 182

  2. Monophonic and Polyphonic Wheezing Classification Based on Constrained Low-Rank Non-Negative Matrix Factorization

    Sensors (Basel, Switzerland), Vol. 21, Núm. 5

  3. Parallel multichannel music source separation system

    Journal of Supercomputing, Vol. 77, Núm. 1, pp. 619-637

2020

  1. A constrained tonal semi-supervised non-negative matrix factorization to classify presence/absence of wheezing in respiratory sounds

    Applied Acoustics, Vol. 161

  2. Combining a recursive approach via non-negative matrix factorization and Gini index sparsity to improve reliable detection of wheezing sounds

    Expert Systems with Applications, Vol. 147

2019

  1. A novel wheezing detection approach based on constrained non-negative matrix factorization

    Applied Acoustics, Vol. 148, pp. 276-288

  2. Online/offline score informed music signal decomposition: application to minus one

    Eurasip Journal on Audio, Speech, and Music Processing, Vol. 2019, Núm. 1

  3. Source localization using a spatial kernel based covariance model and supervised complex nonnegative matrix factorization

    Proceedings of the International Congress on Acoustics

2018

  1. Non-negative matrix factorization (NMF) applied to monaural audio

    Independent Component Analysis (ICA): Algorithms, Applications and Ambiguities (Nova Science Publishers, Inc.), pp. 247-328

2017

  1. A non-negative matrix factorization approach based on spectro-temporal clustering to extract heart sounds

    Applied Acoustics, Vol. 125, pp. 7-19

2016

  1. Constrained non-negative matrix factorization for score-informed piano music restoration

    Digital Signal Processing: A Review Journal, Vol. 50, pp. 240-257

2015

  1. An audio to score alignment framework using spectral factorization and dynamic time warping

    Proceedings of the 16th International Society for Music Information Retrieval Conference, ISMIR 2015

2014

  1. Monophonic constrained non-negative sparse coding using instrument models for audio separation and transcription of monophonic source-based polyphonic mixtures

    Multimedia Tools and Applications, Vol. 72, Núm. 1, pp. 925-949