Now showing items 207-226 of 376

    MAC design and analysis for MU-MIMO and full-duplex enabled wireless networks 

    Liao, Ruizhi (Date of defense: 2014-10-06)

    IEEE 802.11 based wireless networks, especially the infrastructure based Wireless Local Area Networks (WLANs) or Wi-Fi networks, are hugely successful, and have become an indispensable part of our life at homes and working ...

    Machine learning and deep neural networks approach to modelling musical gestures 

    Cabrera Dalmazzo, David (Date of defense: 2020-12-02)

    Gestures can be defined as a form of non-verbal communication associated with an intention or an emotional state articulation. They are not only intrinsically part of the human language, but also explain specific details ...

    A machine learning approach to computer modeling of musical expression for performance learning and practice 

    Muneratti Ortega, Fábio José (Date of defense: 2022-03-11)

    Aquesta tesi tracta sobre el disseny i la implementació de sistemes informàtics per a l'execució musical expressiva (CSEMP), explorant diferents mètodes de l'aprenentatge automàtic i reflexionant sobre el paper de l'estructura ...

    Machine learning methods for understanding social media communication: modeling irony and emojis 

    Barbieri, Francesco (Date of defense: 2018-01-25)

    In this dissertation we propose algorithms for the analysis of social media texts, focusing on two particular aspects: irony and emojis. We propose novel automatic systems, based on machine learning methods, able to recognize ...

    Machine learning to support exploring and exploiting real-world clinical longitudinal data 

    Nogueira, Mariana (Date of defense: 2020-10-05)

    Following-up on patient evolution by reacquiring the same measurements over time (longitudinal data) is a crucial component in clinical care dynamics, as it creates opportunity for timely decision making in preventing ...

    Making tabletops useful with applications, frameworks and multi-tasking 

    Fernandez Julià, Carles (Date of defense: 2015-01-22)

    The progressive appearance of affordable tabletop technology and devices urges humancomputer interaction researchers to provide the necessary methods to make this kind of devices the most useful to their users. Studies ...

    Map-less inventory and location for an RFID-based robot 

    Casamayor Pujol, Víctor (Date of defense: 2020-10-09)

    This thesis presents a new paradigm for RFID-based inventory robots. This map-less operation increases the operative autonomy of the robots as they no longer require a mapping step. This new paradigm is based on the ...

    Mechanistic insights into the large-scale dynamics underlying different brain states 

    Jobst, Beatrice M. (Date of defense: 2018-05-11)

    Brain activity during rest exhibits a robust intrinsic spatio-temporal structure characterized by correlated patterns of neural activity. The study of the brain in altered states of vigilance or drug-induced brain states ...

    Mechano-biochemical systems modelling for patient stratification in osteoarthritis 

    Segarra-Queralt, Maria (Date of defense: 2023-11-22)

    This doctoral thesis presents two different computational approaches to explore mechanistically chondrocyte dysregulation and identify biomarkers, to better understand patient stratification systems in primary knee ...

    Melody extraction from polyphonic music signals 

    Salamon, Justin J. (Date of defense: 2013-09-20)

    Music was the first mass-market industry to be completely restructured by digital technology, and today we can have access to thousands of tracks stored locally on our smartphone and millions of tracks through cloud-based ...

    Methods for face detection and adaptive face recognition 

    Pavani, Sri-Kaushik (Date of defense: 2010-07-21)

    The focus of this thesis is on facial biometrics; specifically in the problems of face detection and face recognition. Despite intensive research over the last 20 years, the technology is not foolproof, which is why we do ...

    Microcontrolled injectable stimulators based on electronic rectification of high frequency current bursts 

    Becerra Fajardo, Laura (Date of defense: 2016-10-17)

    Neuroprostheses based on dense networks of wireless microstimulators have been proposed in the past for restoring movement in paralysis patients. Yet existing implantable microstimulators are too bulky and invasive for ...

    Mining arguments in scientific abstracts: Application to argumentative quality assessment 

    Accuosto, Pablo (Date of defense: 2021-11-26)

    Argument mining consists in the automatic identification of argumentative structures in natural language, a task that has been recognized as particularly challenging in the scientific domain. In this work we propose SciARG, ...

    MIRages: an account of music audio extractors, semantic description and context-awareness, in the three ages of MIR 

    Herrera Boyer, Perfecto (Date of defense: 2018-12-12)

    This tesis reports on research carried out and published during the last twenty years on different problems of Music Information Retrieval (MIR). We organize the text as a personal account and critical reflection along ...

    Modeling instrumental gestures: an analysis/synthesis framework for violin bowing 

    Maestre Gómez, Esteban (Date of defense: 2009-11-12)

    Aquest treball presenta una metodologia per modelar el gest instrumental en la interpretació amb instruments musicals d'excitació contínua. En concret, la tesi tracta el control d'arc en interpretació clàssica de violí. ...

    Modeling timbre for neural singing synthesis: methods for data-efficient, reduced effort voice creation, and fast and stable inference 

    Blaauw, Merlijn (Date of defense: 2022-07-22)

    Singing synthesis has seen a notable surge in popularity in the last decade and a half. Music producers use this technology as an instrument, there is an audience for music with synthetic vocals, and an entire range of ...

    Modeling users preferences in online social networks 

    Recalde, Lorena (Date of defense: 2018-10-11)

    L'objectiu d'aquesta tesi és desenvolupar nous i diversos mètodes per modelar les preferències dels usuaris a les Xarxes Socials Online. Els mètodes proposats tenen com a finalitat ser aplicats en àrees de recerca com la ...

    Modelling neuronal mechanisms of the processing of tones and phonemes in the higher auditory system 

    Larsson, Johan P. (Date of defense: 2012-11-15)

    S'ha investigat molt tant els mecanismes neuronals bàsics de l'audició com l'organització psicològica de la percepció de la parla. Tanmateix, en ambdós temes n'hi ha una relativa escassetat en quant a modelització. Aquí ...

    Modelling tonal context dynamics by temporal multi-scale analysis 

    Martorell Domínguez, Agustín (Date of defense: 2013-09-19)

    This work explores the multidimensional, ambiguous and temporal characteristics of tonality. The approach relies on interfacing pitch-spaces with time vs. time-scale descriptions. In this combined representation, the spatial ...

    Morphological and statistical techniques for the analysis of 3D images 

    Meinhardt Llopis, Enric (Date of defense: 2011-03-03)

    Aquesta tesi proposa una estructura de dades per emmagatzemar imatges tridimensionals. L'estructura da dades té forma d'arbre i codifica les components connexes dels conjunts de nivell de la imatge. Aquesta estructura ...