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My research activity began in the world of digital image analysis and processing, carrying out one of the first doctoral thesis in Spain in image analysis using discrete wavelet transform. This work is completed with the direction of a doctoral thesis in the same field and a set of publications.
The work evolves towards the world of musical signal analysis and processing. In this field he works in the design of reverberation effects and acoustic modeling of rooms participating in numerous conferences. A stay at the CCRMA of Stanford University in California was carried out and from there he developed his own and original technique of audio signal analysis called CWAS by means of continuous and complex wavelet transform that has given rise to another Doctoral Thesis and a set of publications in prestigious journals.
In recent years, a line of research in audiovisual technologies has been opened, in which, in addition to sound, augmented and virtual reality environments, tangible interfaces and, in general, multimodal environments are introduced. A set of communications to conferences and indexed publications have been generated and a Doctoral Thesis on emotion-based music recommender systems is being co-directed, and I have participated in different projects in this line that remains active.
In recent years I have opened a line of work in the development of Artificial Intelligence technologies for the analysis of sound and music. At this moment, two Doctoral Theses are being directed, one on sound source localization and the other on automatic music composition based on Artificial Intelligence. Both works are being published in high impact journals.
In the field of transfer I have been the promoter in 2008 of ARSTIC Audiovisual Solutions S.L. an academic spin-off for the use of technologies for the artistic and audiovisual world. I have also been director of the TAIM_WESER chair at the University of Zaragoza. Currently we are opening a line of collaboration with the company BSH for the implementation of acoustic technologies in cooking environments.
Additionally, I have held different university management positions: Area Director of the Vice-Rectorate for Teaching Staff, Deputy Director of the CPS, Area Director of the Vice-Rectorate for Research, Vice-Rector for Research and Vice-Rector for the Campus of Excellence. It is worth mentioning the experience in R&D management acquired as Vice Rector for Research at the University of Zaragoza. Translated with www.DeepL.com/Translator (free version) Nº de sexenios: 4: 3 CNAI, 1 Transferencia
Primer y segundo sexenios: 1/1/2009
Tercer sexenio: 1/1/2021
Sexenio de trasferencia: 1/1/2019
Nº Tesis doctorales dirigidas en los últimos 10 años: 5
Citas totales: 862 citas totales en 68 documentos
Promedio de citas/año durante los últimos 5 años (sin incluir el año actual): 91,4
Publicaciones totales en primer cuartil (Q1): 10
Publicaciones totales en segundo cuartil (Q2): 10
Índice h: 15
Índice h desde 2019: 12
Índice i10: 21
Índice i10 desde 2019: 15
Journal articles
- Hernandez-Olivan, Carlos; Beltran, Jose R. Symbolic music structure analysis with graph representations and changepoint detection methods. NEUROCOMPUTING. 2026. DOI: 10.1016/j.neucom.2025.132208
- Asiain Ansorena, David; Ponce de León Vázquez, Jesús; Beltrán Blázquez, José Ramón. Wearable Device for Measuring EDA in Constant Alternating Current. IEEE SENSORS JOURNAL. 2025. DOI: 10.1109/JSEN.2025.3549513
- Baldassarri, Sandra; García de Quirós, Jorge; Beltrán, José Ramón; Álvarez, Pedro. Wearables and machine learning for improving runners’ motivation from an affective perspective. SENSORS. 2023. DOI: 10.3390/s23031608
- Hernandez-Olivan, Carlos; Beltran, Jose R. Musicaiz: a python library for symbolic music generation, analysis and visualization. SOFTWAREX. 2023. DOI: 10.1016/j.softx.2023.101365
- Ospitia-Medina, Yesid; Beltrán, José Ramón; Baldassarri, Sandra. ENSA dataset: a dataset of songs by non-superstar artists tested with an emotional analysis based on time-series. PERSONAL AND UBIQUITOUS COMPUTING. 2023. DOI: 10.1007/s00779-023-01721-4
- Diaz-Guerra, David; Miguel, Antonio; Beltran, Jose R. Direction of arrival estimation of sound sources using icosahedral CNNs. IEEE/ACM TRANSACTIONS ON AUDIO, SPEECH, AND LANGUAGE PROCESSING. 2023. DOI: 10.1109/TASLP.2022.3224282
- Martínez Lahoz, Javier; Asiain Ansorena, David; Beltrán Blázquez, José Ramón. Impact of Thermal Variations and Soldering Process on Performance and Behavior of MEMS Capacitive Accelerometers. IEEE SENSORS JOURNAL. 2023. DOI: 10.1109/JSEN.2023.3321238
- Asiain, D.; Ponce de León, J.; Beltrán, J. R. MsWH: A multi-sensory hardware platform for capturing and analyzing physiological emotional signals. SENSORS. 2022. DOI: 10.3390/s22155775
- Martínez, Javier; Asiain, David; Beltrán, José Ramón. Lightweight thermal compensation technique for MEMS capacitive accelerometer oriented to quasi-static measurements. SENSORS. 2021. DOI: 10.3390/s21093117
- Hernández Oliván, C.; Beltrán, J.R.; Diaz-Guerra, D. Music boundary detection using convolutional neural networks: a comparative analysis of combined input features. INTERNATIONAL JOURNAL OF INTERACTIVE MULTIMEDIA AND ARTIFICIAL INTELLIGENCE. 2021. DOI: 10.9781/ijimai.2021.10.005
- Diaz-Guerra, D.; Miguel, A.; Beltran, J.R. gpuRIR: A python library for room impulse response simulation with GPU acceleration. MULTIMEDIA TOOLS AND APPLICATIONS. 2021. DOI: 10.1007/s11042-020-09905-3
- Martínez, Javier; Asiain, David; Beltrán, José Ramón. Factory Oriented Technique for Thermal Drift Compensation in MEMS Capacitive Accelerometers. ENGINEERING PROCEEDINGS (BASEL). 2021. DOI: 10.3390/ecsa-8-11299
- Diaz-Guerra, D.; Miguel, A.; Beltran, J.R. Robust Sound Source Tracking Using SRP-PHAT and 3D Convolutional Neural Networks. IEEE/ACM TRANSACTIONS ON AUDIO, SPEECH, AND LANGUAGE PROCESSING. 2021. DOI: 10.1109/TASLP.2020.3040031
- Hernández-Oliván, Carlos; Zay Pinilla, Ignacio; Hernández-López, Carlos; Beltrán Blázquez, José Ramón. A Comparison of Deep Learning Methods for Timbre Analysis in Polyphonic Automatic Music Transcription. ELECTRONICS (BASEL). 2021. DOI: 10.3390/electronics10070810
- Medina, Yesid O.; Beltrán, José Ramón; Baldassarri, Sandra. Emotional classification of music using neural networks with the MediaEval dataset. PERSONAL AND UBIQUITOUS COMPUTING. 2020. DOI: 10.1007/s00779-020-01393-4
- Diaz-Guerra, D.; Beltran, J.R. Source cancellation in cross-correlation functions for broadband multisource DOA estimation. SIGNAL PROCESSING. 2020. DOI: 10.1016/j.sigpro.2019.107442
- Orrite, C.; Varona, M.A.; Estopinan, E.; Beltran, J.R. Portrait Segmentation by Deep Refinement of Image Matting. PROCEEDINGS - INTERNATIONAL CONFERENCE ON IMAGE PROCESSING. 2019. DOI: 10.1109/ICIP.2019.8799367
- Torres Ruiz, J.; Buldain Pérez, J.D.; Beltran Blázquez, J.R. Arrhythmia detection using convolutional neural models. ADVANCES IN INTELLIGENT SYSTEMS AND COMPUTING. 2019. DOI: 10.1007/978-3-319-94649-8_15
- Ospitia Medina, Y.; Baldassarri, S.; Beltrán, J.R. High-level libraries for emotion recognition in music: A review. COMMUNICATIONS IN COMPUTER AND INFORMATION SCIENCE. 2019. DOI: 10.1007/978-3-030-05270-6_12
- Álvarez, P.; Beltrán, J.R.; Baldassarri, S. DJ-Running: Wearables and Emotions for Improving Running Performance. ADVANCES IN INTELLIGENT SYSTEMS AND COMPUTING. 2019. DOI: 10.1007/978-3-030-02053-8_128
- García de Quirós, J.; Baldassarri, S.; Beltrán, J.R.; Guiu, A.; Álvarez, P. An automatic emotion recognition system for annotating spotify’s songs. LECTURE NOTES IN COMPUTER SCIENCE. 2019. DOI: 10.1007/978-3-030-33246-4_23
- Piedrafita Moreno, Ramón; Comín Sánchez, Diego; Beltrán Blázquez, José Ramón. Simulink® implementation and industrial test of Input Shaping techniques. CONTROL ENGINEERING PRACTICE. 2018. DOI: 10.1016/j.conengprac.2018.06.021
- Diaz-Guerra, D.; Beltran, J.R. Direction of arrival estimation with microphone arrays using SRP-PHAT and neural networks. PROCEEDINGS OF THE IEEE SENSOR ARRAY AND MULTICHANNEL SIGNAL PROCESSING WORKSHOP. 2018. DOI: 10.1109/SAM.2018.8448492
- Villa Lopez, Jorge; Artigas Maestre, Jose Ignacio; Beltran Blazquez, José Ramon; Dominguez Vicente, Alberto ; Barragan Perez, Luis Angel. Analysis of acoustic noise spectrum of domestic induction heating systems controlled by phase-accumulator modulators. IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS. 2018. DOI: 10.1109/TIE.2018.2870351
- Baldassarri, S.; Cerezo, E.; Beltrán, J.R. Immertable: A configurable and customizable tangible tabletop for audiovisual and musical control. ACM INTERNATIONAL CONFERENCE PROCEEDING SERIES. 2017. DOI: 10.1145/3123818.3123842
- Baldassarri, Sandra; Marco, Javier; Bonillo, Clara; Cerezo, Eva; Beltrán Blázquez, José Ramón. ImmertableApp: Interactive and Tangible Learning Music Environment. LECTURE NOTES IN COMPUTER SCIENCE. 2016. DOI: 10.1007/978-3-319-39513-5_34
- Beltrán Blázquez, José Ramón; Beltran Blazquez, Fernando; Ponce de Leon Vazquez, Jesus. Instantaneous frequency estimation and representation of the audio signal through complex wavelet additive synthesis. INTERNATIONAL JOURNAL OF WAVELETS MULTIRESOLUTION AND INFORMATION PROCESSING. 2014. DOI: 10.1142/S0219691314500301
- Ponce de Leon, Jesus; Beltran, Jose Ramon. Blind separation of overlapping partials in harmonic musical notes using amplitude and phase reconstruction. EURASIP JOURNAL ON ADVANCES IN SIGNAL PROCESSING. 2012. DOI: 10.1186/1687-6180-2012-223
- Beltrán, J. R.;Ponce de León, J. Estimation of the instantaneous amplitude and the instantaneous frequency of audio signals using complex wavelets. SIGNAL PROCESSING. 2010
- Palacios, Guillermo; Beltran, José Ramón. Medical Image Segmentation by means of Multiresolution Analysis and Clustering Methods. IADAT JOURNAL OF ADVANCED TECHNOLOGY ON IMAGING AND GRAPHICS. 2005
- Beltran, J. R.;Beltran, F. A. Matlab Implementation of Reverberation Algorithms. JOURNAL OF NEW MUSIC RESEARCH. 2002
- Artigas, J. I.;Barragan, L. A.;Beltran, J. R.;Laloya, E.;Moreno, J. C.;Navarro, D.;Roy, A. Word length considerations on the hardware implementation of two-dimensional Mallat's wavelet transform. OPTICAL ENGINEERING. 1996
Conference presentations
- Medina, Yesid Ospitia ; Beltrán, José Ramón; Sanz, Cecilia; Baldassarri, Sandra. Dimensional emotion prediction through low-level musical features. ACM INTERNATIONAL CONFERENCE PROCEEDING SERIES. 2019. DOI: 10.1145/3356590.3356626
- Palacios, G.;Beltran,J. R. A Wavelet Transform Based Multiresolution Edge Detection and Classification Schema - Art. no. 70000U. PROCEEDINGS OF SPIE - THE INTERNATIONAL SOCIETY FOR OPTICAL ENGINEERING. 2008
Scientific chapters
- Hernández Oliván, Carlos; Beltrán Belbla, José Ramón. Music Composition with Deep Learning: A Review. ADVANCES IN SPEECH AND MUSIC TECHNOLOGY. 2023. DOI: https://doi.org/10.1007/978-3-031-18444-4_2
- Beltrán Blázquez, José Ramón; Ospitia-Medina, Yesid;Baldassarri, Sandra;Sanz, Cecilia. Music Recommender Systems: A Review Centered on Biases. ADVANCES IN SPEECH AND MUSIC TECHNOLOGY. COMPUTATIONAL ASPECTS AND APPLICATIONS. 2022. DOI: 10.1007/978-3-031-18444-4_4
- Díaz-Guerra Aparicio, David. Acoustic Room Impulse Response Simulation with GPUs. ADVANCES IN SIGNAL PROCESSING AND ARTIFICIAL INTELLIGENCE, PROCEEDINGS OF THE 2ND ASPAI' 2020 CONFERENCE. 2020
- Beltrán Blázquez, José Ramón; Ponce de León Vázquez, Jesús. Complex Wavelet Additive Synthesis of Audio Signals: Introduction and Applications. ADVANCES IN SIGNAL PROCESSING: REVIEWS', VOL. 1, BOOK SERIES. 2018
- Baldasarri, Sandra; Cerezo, Eva; Beltrán Blázquez, José Ramón. Immertable: a configurable and customizable tangible tabletop for audiovisual and musical control. INTERACCIÓN '17 PROCEEDINGS OF THE XVIII INTERNATIONAL CONFERENCE ON HUMAN COMPUTER INTERACTION. 2017
- José Ramón Beltrán; Raquel Lacuesta. Multiresolution Approaches for Edge Detection and Classification Based on Discrete Wavelet Transform. DISCRETE WAVELET TRANSFORMS - ALGORITHMS AND APPLICATIONS. 2011
- Beltrán Blázquez, José Ramón; Buldain Pérez, Julio David. Comparativa Cuantitativa de Métodos Docentes en una asignatura de Primer Curso de Ingeniería de Telecomunicación. INNOVACIÓN DOCENTE, TECNOLOGÍAS DE LA INFORMACIÓN Y LA COMUNICACIÓN E INVESTIGACIÓN EDUCATIVA EN LA UNIVERSIDAD DE ZARAGOZA: CAMINANDO HACIA EUROPA. 2007
Projects
- DISEÑO DE PROCESOS DE MONITORIZACIÓN Y CONTROL IN-SITU DE TRATAMIENTOS DE ABLACIÓN CON LÁSER. 11/11/24 - 10/11/26
- FemtoLAVI / Desarrollo de procesos de limpieza con láseres de femtosegundos más eficaces para la conservación de vidrieras (AQ-20.2024). 01/01/24 - 15/11/24
- PID2022-136779OB-C31: Experiencias Lúdicas con Agentes Sociales Interactivos y Robots (PLEISAR-Inter): Aspectos de interacción e intergeneracionales. 01/09/23 - 31/08/26
- T60_23R: Grupo de Investigación en Interfaces Avanzadas (AffectiveLab). 01/01/23 - 31/12/25
- TED2021-130374B-C22: Ecosistema tecnológico para el reconocimiento del estado de ánimo de los pacientes durante el proceso de rehabilitación cardiaca. 01/12/22 - 30/09/25
- PID2021-126061OB-C44: Descubriendo el significado y la intención más allá de la palabra hablada: Hacia un entorno inteligente para abordar los documentos multimedia - UZ. 01/09/22 - 28/02/26
- FCT-21-16704: Actividades de Divulgación de la UCC Unizar. 01/07/22 - 30/09/23
- FCT-20-16307: Actividades de la Unidad de Cultura Científica de la Universidad de Zaragoza. 01/07/21 - 30/09/22
- FCT-19-14956: Actividades de Divulgación de la UCC de la Universidad de Zaragoza. 01/07/20 - 30/09/21
PhD supervision
- Advances in Music Technology with Deep Learning: from Music Analysis to Production. Universidad de Zaragoza. Sobresaliente cum laude. 24/03/25
- A Geometric Deep Learning Approach to Sound Source Localization and Tracking. Universidad de Zaragoza. Sobresaliente cum laude. 23/03/23
- Análisis y síntesis de señales de audio mediante la Transformada Wavelet Continua y Compleja: El Algoritmo C.W.A.S. Universidad de Zaragoza. Apto cum laude. 06/07/12
- Contribuciones a la segmentación de imágenes. Aplicaciones biomédicas. Universidad de Zaragoza. Sobresaliente "Cum Laude". 21/12/09
UNIZAR teaching of the last six courses
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