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Publications

Papers (conferences, journals, and technical reports)

  • Trilla, A., Mijatovic, N., and Vilasis-Cardona, X., "Unsupervised Probabilistic Anomaly Detection over Nominal Subsystem Events through a Hierarchical Variational Autoencoder", In the International Journal of Prognostics and Health Management, vol. 14 (1), 2023. [link] [pdf]
  • Trilla, A., Mijatovic, N., and Vilasis-Cardona, X., "Towards Learning Causal Representations of Technical Word Embeddings for Smart Troubleshooting", In the International Journal of Prognostics and Health Management, vol. 13 (2), 2022. [link] [pdf]
  • Trilla, A., Bob-Manuel, J., Lamoureux, B., and Vilasis-Cardona, X., "Integrated Multiple-Defect Detection and Evaluation of Rail Wheel Tread Images using Convolutional Neural Networks", In the International Journal of Prognostics and Health Management, vol. 12 (1), 2021. [link] [pdf]
  • Trilla, A., Miralles, D. and Fernandez, V., "Pushing Distributed Vibration Analysis to the Edge with a Low-Resolution Companding Autoencoder: Industrial IoT for PHM", In the Proceedings of the Annual Conference of the Prognostics and Health Management Society, 2020. [pdf]
  • Trilla, A., Fernandez, V. and Cabre, X., "Enhancing Railway Pantograph Carbon Strip Prognostics with Data Blending through a Time-Delay Neural Network Ensemble", In the Proceedings of the Annual Conference of the Prognostics and Health Management Society, 2020. [pdf]
  • Trilla, A., Janjua, F. and Bermejo, S., "Developing a Hybrid Expert/Data-Driven Health Index for Railway Axleboxes Using Auto-encoder Neural Networks", In the Proceedings of the Prognostics and System Health Management Conference, 2019, May, Paris, France. [pdf]
  • Trilla, A., Dersin, P. and Cabre, X., "Estimating the Uncertainty of Brake Pad Prognostics for High-Speed Rail with a Neural Network Feature Ensemble", In the Proceedings of the Annual Conference of the Prognostics and Health Management Society (ISBN: 978-1-936263-29-5), 2018, Sep., Philadelphia, Pennsylvania, USA. [pdf]
  • Trilla, A. and Cabre, X., "Determining the Equivalent Conicity for Railway Wheelset Maintenance with Deep Ensembles", In the Proceedings of the Annual Conference of the Prognostics and Health Management Society (ISBN: 978-1-936263-29-5), 2018, Sep., Philadelphia, Pennsylvania, USA. [pdf]
  • Borrell, J., Coca, M., Fuerte, V., Gratacos, P., Sospedra, G. and Trilla, A., "Un cambio de paradigma en el planteamiento y ejecucion del Plan de Mantenimiento: paso de la estrategia tradicional a otra dinamica, In the 6th Conference of the Spanish Society for Maintenance (AEM), pp. 1-10, 2017, Mar., Tarragona, Spain. [pdf]
  • Trilla, A. and Gratacos, P., "Maintenance of bogie components through vibration inspection with intelligent wireless sensors: a case-study of axle-boxes and wheel-sets using the Empirical Mode Decomposition technique", In the Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit (ISSN: 2041-3017), vol. 230, issue 5, pp. 1408-1414, Jul., 2016. [link] [pdf]
  • Trilla, A., Gratacos, P., Guinart, D., Alessi, A. and Lamoureux, B., "Health assessment of traction-motor blowers regarding their deformation degradation", In the Proceedings of the Third European Conference of the Prognostics and Health Management Society (ISBN: 978-1-936263-21-9), pp. 712-718, 2016, Jul., Bilbao, Spain. [pdf]
  • Trilla, A. and Coca, M., "New tools for predictive maintenance of railway vehicles taking advantage of IT", In the Maintenance magazine of the Spanish Society for Maintenance (AEM) (ISSN: 0214-4344), BCNRail 2013 conference, pp. 20-22, 2013, Nov., Barcelona, Spain. (in Spanish) [pdf]
  • Trilla, A. and Gratacos, P., "Condition Based Maintenance On Board", In the Chemical Engineering Transactions Journal (ISSN: 1974-9791), vol. 33, pp. 733-738, Sep., 2013. [pdf]
  • Trilla, A. and Alias, F., "Sentence-based Sentiment Analysis for Expressive Text-to-Speech", In IEEE Transactions on Audio, Speech and Language Processing (ISSN: 1558-7916), vol. 21 (2), pp. 223-233, Feb., 2013. [link] [pdf]
  • Trilla, A. and Alias, F., "Three-class Sentiment Analysis adapted to short texts", In the XXVIII Conference of the Spanish Society for Natural Language Processing (SEPLN 2012), 2012, Sep., Castellon, Spain. [pdf]
  • Lozano, I., Trilla, A. and Alias, F., "Spanish JavaSimLib: a tool to compute the semantic similarity between words in Spanish", In the XXVIII Conference of the Spanish Society for Natural Language Processing (SEPLN 2012), 2012, Sep., Castellon, Spain. (in Spanish) [pdf]
  • Trilla, A. and Alias, F., "Sentiment Analysis of Twitter messages based on Multinomial Naive Bayes", In the XXVIII Conference of the Spanish Society for Natural Language Processing (SEPLN 2012) -- Workshop on Sentiment Analysis, 2012, Sep., Castellon, Spain. [pdf]
  • Alias, F., Socoro, J. C., Iriondo, I., Formiga, L. and Trilla, A., "Application of automatic speech generation techniques for audiovisual production", Quaderns del CAC, n. 37 (ISSN: 1138-9761), Dec., 2011 (in Catalan) [pdf]
  • Formiga, Ll., Trilla, A., Alias, F., Iriondo, I. and Socoro, J.C., "Adaptation of the URL-TTS system to the 2010 Albayzin Evaluation Campaign", In Proceedings of VI Jornadas en Tecnologia del Habla (FALA2010) (ISBN: 978-84-8158-510-0), pp. 363-370, 2010, Nov., Vigo, Spain. [pdf]
  • Trilla, A., Alias, F. and Lozano, I., "Text classification of domain-styled text and sentiment-styled text for expressive speech synthesis", In Proceedings of VI Jornadas en Tecnologia del Habla (FALA2010) (ISBN: 978-84-8158-510-0), pp. 75-78, 2010, Nov., Vigo, Spain. [pdf]
  • Trilla, A. and Alias, F., "Sentiment classification in English from sentence-level annotations of emotions regarding models of affect", In Proceedings of the 10th Annual Conference of the International Speech Communication Association (Interspeech 2009) (ISSN: 1990-9772), pp. 516-519, 2009, Sep., Brighton, UK. [pdf]

Dissertations

  • Trilla, A., "Natural Language Processing techniques applied to speech technologies", Master's Thesis (Ph.D. Programme), Enginyeria i Arquitectura La Salle, Universitat Ramon Llull, 2010, Barcelona, Spain. [pdf]
  • Trilla, A., "Magnus: Mouse Advanced GNU Speech", Master's Thesis, Enginyeria i Arquitectura La Salle, Universitat Ramon Llull, 2008, Barcelona, Spain. (with honours) [pdf]
  • Trilla, A., "Sniffer: el seguidor de linies", Bachelor's Thesis, Enginyeria i Arquitectura La Salle, Universitat Ramon Llull, 2006, Barcelona, Spain. (in Catalan)

Teaching

Discrete-Time Signal Processing

  • Trilla, A. and Sevillano, X., "Scilab tutorial oriented toward the Practice of Discrete-Time Signal Processing", 2010, Barcelona, Spain. [pdf]
  • ProcLib - Signal processing library for Scilab [tarball]
  • Trilla, A. and Sevillano, X., "Filter analysis and design", 2010, Barcelona, Spain. [pdf]
  • Trilla, A. and Sevillano, X., "Sampling of continuous-time signals", 2010, Barcelona, Spain. [pdf]
  • Trilla, A. and Sevillano, X., "Multirate Discrete-Time Signal Processing", 2010, Barcelona, Spain. [pdf]
  • Trilla, A. and Sevillano, X., "Discrete Fourier Transform", 2010, Barcelona, Spain. [pdf]
  • Trilla, A. and Sevillano, X., "Noise cancellation with adaptive filtering", 2010, Barcelona, Spain. [pdf]

Software

  • Open-source code repository - GitHub account [link]

Others

  • Trilla, A., "A skim through HARK, a modular OSS system for robot audition", Working Presentation, 2011, Barcelona, Spain. [pdf]
  • Trilla, A., "Enhanced Face Recognition", Working Paper, Enginyeria i Arquitectura La Salle, Universitat Ramon Llull, 2009, Barcelona, Spain. [pdf]
  • Trilla, A., "Natural Language Processing techniques in Text-To-Speech synthesis and Automatic Speech Recognition", Working Paper, Enginyeria i Arquitectura La Salle, Universitat Ramon Llull, 2009, Barcelona, Spain. [pdf]
  • Trilla, A., "Waiterbot: el robot cambrer", High School Project, Col.legi Episcopal Mare de Deu de l'Academia, 2002, Lleida, Spain. (in Catalan) [pdf] [pic] [pic]
  • Artificial Intelligence, A Maker's Approach [link]
  • Thoughts on data analysis, software development and innovation management. [link]


All contents © Alexandre Trilla 2008-2023