2026
Exploring features for membership inference in ASR model auditing.
Comput. Speech Lang., 2026
2025
On the Relevance of Clinical Assessment Tasks for the Automatic Detection of Parkinson's Disease Medication State from Speech.
CoRR, May, 2025
Tackling Cognitive Impairment Detection from Speech: A submission to the PROCESS Challenge.
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CoRR, January, 2025
AC-Mix: Self-Supervised Adaptation for Low-Resource Automatic Speech Recognition using Agnostic Contrastive Mixup.
Proceedings of the 2025 IEEE International Conference on Acoustics, 2025
2024
Unveiling Interpretability in Self-Supervised Speech Representations for Parkinson's Diagnosis.
CoRR, 2024
Improving Membership Inference in ASR Model Auditing with Perturbed Loss Features.
CoRR, 2024
Privacy-Oriented Manipulation of Speaker Representations.
IEEE Access, 2024
Speech as a Biomarker for Disease Detection.
IEEE Access, 2024
Introduction To Partial Fine-tuning: A Comprehensive Evaluation Of End-to-end Children's Automatic Speech Recognition Adaptation.
Proceedings of the 25th Annual Conference of the International Speech Communication Association, 2024
Shared-Adapters: A Novel Transformer-based Parameter Efficient Transfer Learning Approach For Children's Automatic Speech Recognition.
Proceedings of the 25th Annual Conference of the International Speech Communication Association, 2024
Macro-descriptors for Alzheimer's disease detection using large language models.
Proceedings of the 25th Annual Conference of the International Speech Communication Association, 2024
Improved Children's Automatic Speech Recognition Combining Adapters and Synthetic Data Augmentation.
Proceedings of the IEEE International Conference on Acoustics, 2024
Exploring Adapters with Conformers for Children's Automatic Speech Recognition.
Proceedings of the IEEE International Conference on Acoustics, 2024
2023
Memory-augmented conformer for improved end-to-end long-form ASR.
Proceedings of the 24th Annual Conference of the International Speech Communication Association, 2023
Towards Reference Speech Characterization for Health Applications.
Proceedings of the 24th Annual Conference of the International Speech Communication Association, 2023
Privacy-Preserving Automatic Speaker Diarization.
Proceedings of the IEEE International Conference on Acoustics, 2023
Towards Reducing Patient Effort for the Automatic Prediction of Speech Intelligibility in Head and Neck Cancers.
Proceedings of the IEEE International Conference on Acoustics, 2023
Treating Speech as Personally Identifiable Information and Its Impact in Machine Translation.
Proceedings of the Towards Responsible Machine Translation, 2023
2022
Multilingual Transfer Learning for Children Automatic Speech Recognition.
Proceedings of the Thirteenth Language Resources and Evaluation Conference, 2022
A new European Portuguese corpus for the study of Psychosis through speech analysis.
Proceedings of the Thirteenth Language Resources and Evaluation Conference, 2022
Towards End-to-End Private Automatic Speaker Recognition.
Proceedings of the 23rd Annual Conference of the International Speech Communication Association, 2022
Challenges of using longitudinal and cross-domain corpora on studies of pathological speech.
Proceedings of the 23rd Annual Conference of the International Speech Communication Association, 2022
Exploring Dementia Detection from Speech: Cross Corpus Analysis.
Proceedings of the IEEE International Conference on Acoustics, 2022
Extraction of structural and semantic features for the identification of Psychosis in European Portuguese.
Proceedings of the 6th International Conference, 2022
2021
Using Self-Supervised Feature Extractors with Attention for Automatic COVID-19 Detection from Speech.
CoRR, 2021
Transfer Learning-Based Cough Representations for Automatic Detection of COVID-19.
Proceedings of the 22nd Annual Conference of the International Speech Communication Association, Interspeech 2021, Brno, Czechia, August 30, 2021
Visual Speech for Obstructive Sleep Apnea Detection.
Proceedings of the 22nd Annual Conference of the International Speech Communication Association, Interspeech 2021, Brno, Czechia, August 30, 2021
FoolHD: Fooling Speaker Identification by Highly Imperceptible Adversarial Disturbances.
Proceedings of the IEEE International Conference on Acoustics, 2021
Domain Adaptation in Dialogue Systems using Transfer and Meta-Learning.
Proceedings of the Fifth International Conference, 2021
TRIBUS: An end-to-end automatic speech recognition system for European Portuguese.
Proceedings of the Fifth International Conference, 2021
Nativeness Assessment for Crowdsourced Speech Collections.
Proceedings of the Fifth International Conference, 2021
2020
Pragmatic Aspects of Discourse Production for the Automatic Identification of Alzheimer's Disease.
IEEE J. Sel. Top. Signal Process., 2020
The BioVisualSpeech Corpus of Words with Sibilants for Speech Therapy Games Development.
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Inf., 2020
Evaluation and Extensions of an Automatic Speech Therapy Platform.
Proceedings of the Computational Processing of the Portuguese Language, 2020
A Multiplayer Voice-Enabled Game Platform for the Elderly.
Proceedings of the Computational Processing of the Portuguese Language, 2020
Comparison of Heterogeneous Feature Sets for Intonation Verification.
Proceedings of the Computational Processing of the Portuguese Language, 2020
The BioVisualSpeech European Portuguese Sibilants Corpus.
Proceedings of the Computational Processing of the Portuguese Language, 2020
Assessment of Parkinson's Disease Medication State Through Automatic Speech Analysis.
Proceedings of the 21st Annual Conference of the International Speech Communication Association, 2020
The INESC-ID Multi-Modal System for the ADReSS 2020 Challenge.
Proceedings of the 21st Annual Conference of the International Speech Communication Association, 2020
Analyzing Breath Signals for the Interspeech 2020 ComParE Challenge.
Proceedings of the 21st Annual Conference of the International Speech Communication Association, 2020
Exploring Text and Audio Embeddings for Multi-Dimension Elderly Emotion Recognition.
Proceedings of the 21st Annual Conference of the International Speech Communication Association, 2020
Toward Silent Paralinguistics: Speech-to-EMG - Retrieving Articulatory Muscle Activity from Speech.
Proceedings of the 21st Annual Conference of the International Speech Communication Association, 2020
Cross Lingual Transfer Learning for Zero-Resource Domain Adaptation.
Proceedings of the 2020 IEEE International Conference on Acoustics, 2020
2019
Preserving privacy in speaker and speech characterisation.
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Comput. Speech Lang., 2019
Recognition of Latin American Spanish Using Multi-Task Learning.
Proceedings of the 20th Annual Conference of the International Speech Communication Association, 2019
Privacy-preserving Paralinguistic Tasks.
Proceedings of the IEEE International Conference on Acoustics, 2019
Attentive Filtering Networks for Audio Replay Attack Detection.
Proceedings of the IEEE International Conference on Acoustics, 2019
Speech as a Biomarker for Obstructive Sleep Apnea Detection.
Proceedings of the IEEE International Conference on Acoustics, 2019
2018
Evolution strategies for computing periodic orbits.
Math. Comput. Simul., 2018
ALBAYZIN Query-by-example Spoken Term Detection 2016 evaluation.
EURASIP J. Audio Speech Music. Process., 2018
Speech Analytics for Medical Applications.
Proceedings of the Text, Speech, and Dialogue - 21st International Conference, 2018
Analysing Speech for Clinical Applications.
Proceedings of the Statistical Language and Speech Processing, 2018
Patient Privacy in Paralinguistic Tasks.
Proceedings of the 19th Annual Conference of the International Speech Communication Association, 2018
Women's Occupational Health: Improving Medical Protocols with Artificial Intelligence Solutions.
Proceedings of the Intelligent Systems and Applications, 2018
Exploring Hashing and Cryptonet Based Approaches for Privacy-Preserving Speech Emotion Recognition.
Proceedings of the 2018 IEEE International Conference on Acoustics, 2018
Topic coherence analysis for the classification of Alzheimer's disease.
Proceedings of the Fourth International Conference, 2018
2017
Automatic Detection of Parkinson's Disease: An Experimental Analysis of Common Speech Production Tasks Used for Diagnosis.
Proceedings of the Text, Speech, and Dialogue - 20th International Conference, 2017
Depression Detection Using Automatic Transcriptions of De-Identified Speech.
Proceedings of the 18th Annual Conference of the International Speech Communication Association, 2017
Fusion of Simple Models for Native Language Identification.
Proceedings of the 12th Workshop on Innovative Use of NLP for Building Educational Applications, 2017
2016
Multi-channel i-vector combination for robust speaker verification in multi-room domestic environments.
Proceedings of the Odyssey 2016: The Speaker and Language Recognition Workshop, 2016
The DIRHA Portuguese Corpus: A Comparison of Home Automation Command Detection and Recognition in Simulated and Real Data.
Proceedings of the Tenth International Conference on Language Resources and Evaluation LREC 2016, 2016
The SpeDial datasets: datasets for Spoken Dialogue Systems analytics.
Proceedings of the Tenth International Conference on Language Resources and Evaluation LREC 2016, 2016
SPA: Web-based Platform for easy Access to Speech Processing Modules.
Proceedings of the Tenth International Conference on Language Resources and Evaluation LREC 2016, 2016
Exploiting Phone Log-Likelihood Ratio Features for the Detection of the Native Language of Non-Native English Speakers.
Proceedings of the 17th Annual Conference of the International Speech Communication Association, 2016
2015
Automatic implementation of the numerical Taylor series method: A Mathematica and Sage approach.
Appl. Math. Comput., 2015
Speech and language technologies for the automatic monitoring and training of cognitive functions.
Proceedings of the 6th Workshop on Speech and Language Processing for Assistive Technologies, 2015
Predicting disordered speech comprehensibility from Goodness of Pronunciation scores.
Proceedings of the 6th Workshop on Speech and Language Processing for Assistive Technologies, 2015
Combining multiple approaches to predict the degree of nativeness.
Proceedings of the 16th Annual Conference of the International Speech Communication Association, 2015
Detecting repetitions in spoken dialogue systems using phonetic distances.
Proceedings of the 16th Annual Conference of the International Speech Communication Association, 2015
Multi-channel speaker verification based on total variability modelling.
Proceedings of the 16th Annual Conference of the International Speech Communication Association, 2015
Automatic recognition of prosodic patterns in semantic verbal fluency tests - an animal naming task for edutainment applications.
Proceedings of the 18th International Congress of Phonetic Sciences, 2015
Privacy-preserving Query-by-Example Speech Search.
Proceedings of the 2015 IEEE International Conference on Acoustics, 2015
Multi-room speech activity detection using a distributed microphone network in domestic environments.
Proceedings of the 23rd European Signal Processing Conference, 2015
2014
Correlating ASR errors with developmental changes in speech production: a study of 3-10-year-old European Portuguese children's speech.
Proceedings of the 4st Workshop on Child, Computer and Interaction, 2014
Exploiting magnitude and phase spectral information for converted speech detection.
Proceedings of the 2014 IEEE Spoken Language Technology Workshop, 2014
Automatically Recognising European Portuguese Children's Speech - Pronunciation Patterns Revealed by an Analysis of ASR Errors.
Proceedings of the Computational Processing of the Portuguese Language, 2014
Privacy-preserving speaker verification using secure binary embeddings.
Proceedings of the 37th International Convention on Information and Communication Technology, 2014
Preventing converted speech spoofing attacks in speaker verification.
Proceedings of the 37th International Convention on Information and Communication Technology, 2014
The DIRHA simulated corpus.
Proceedings of the Ninth International Conference on Language Resources and Evaluation, 2014
Accounting for the residual uncertainty of multi-layer perceptron based features.
Proceedings of the IEEE International Conference on Acoustics, 2014
Recognition of Distant Voice Commands for Home Applications in Portuguese.
Proceedings of the Advances in Speech and Language Technologies for Iberian Languages, 2014
Privacy-preserving speaker verification using garbled GMMS.
Proceedings of the 22nd European Signal Processing Conference, 2014
2013
Integration of beamforming and uncertainty-of-observation techniques for robust ASR in multi-source environments.
Comput. Speech Lang., 2013
Automatic word naming recognition for an on-line aphasia treatment system.
Comput. Speech Lang., 2013
The L2F Spoken Web Search System for Mediaeval 2013.
Proceedings of the MediaEval 2013 Multimedia Benchmark Workshop, 2013
Secure binary embeddings of front-end factor analysis for privacy preserving speaker verification.
Proceedings of the 14th Annual Conference of the International Speech Communication Association, 2013
On the calibration and fusion of heterogeneous spoken term detection systems.
Proceedings of the 14th Annual Conference of the International Speech Communication Association, 2013
The 2013 speaker recognition evaluation in mobile environment.
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Proceedings of the International Conference on Biometrics, 2013
Speaker verification using Secure Binary Embeddings.
Proceedings of the 21st European Signal Processing Conference, 2013
Meet EDGAR, a tutoring agent at MONSERRATE.
Proceedings of the 51st Annual Meeting of the Association for Computational Linguistics, 2013
2012
Algorithm 924: TIDES, a Taylor Series Integrator for Differential EquationS.
ACM Trans. Math. Softw., 2012
Transcription of Multi-variety Portuguese Media Contents.
Proceedings of the Computational Processing of the Portuguese Language, 2012
The L2F Spoken Web Search system for Mediaeval 2012.
Proceedings of the Working Notes Proceedings of the MediaEval 2012 Workshop, 2012
The BLZ Submission to the NIST 2011 LRE: Data Collection, System Development and Performance.
Proceedings of the 13th Annual Conference of the International Speech Communication Association, 2012
Uncertainty driven Compensation of Multi-Stream MLP Acoustic Models for Robust ASR.
Proceedings of the 13th Annual Conference of the International Speech Communication Association, 2012
Automatic word naming recognition for treatment and assessment of aphasia.
Proceedings of the 13th Annual Conference of the International Speech Communication Association, 2012
Integration of beamforming and automatic speech recognition through propagation of the wiener posterior.
Proceedings of the 2012 IEEE International Conference on Acoustics, 2012
2011
Uncertainty propagation or box propagation.
Math. Comput. Model., 2011
Breaking the limits: The Taylor series method.
Appl. Math. Comput., 2011
An on-line system for remote treatment of aphasia.
Proceedings of the Second Workshop on Speech and Language Processing for Assistive Technologies, 2011
A nativeness classifier for TED Talks.
Proceedings of the IEEE International Conference on Acoustics, 2011
Parallel Transformation Network features for speaker recognition.
Proceedings of the IEEE International Conference on Acoustics, 2011
On the implementation of a secure musical database matching.
Proceedings of the 19th European Signal Processing Conference, 2011
Multi-site heterogeneous system fusions for the Albayzin 2010 Language Recognition Evaluation.
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Proceedings of the 2011 IEEE Workshop on Automatic Speech Recognition & Understanding, 2011
2010
Exploiting variety-dependent Phones in Portuguese Variety Identification.
Proceedings of the Odyssey 2010: The Speaker and Language Recognition Workshop, Brno, Czech Republic, June 28, 2010
Connectionist Transformation Network Features for Speaker Recognition.
Proceedings of the Odyssey 2010: The Speaker and Language Recognition Workshop, Brno, Czech Republic, June 28, 2010
Exploiting variety-dependent phones in portuguese variety identification applied to broadcast news transcription.
Proceedings of the 11th Annual Conference of the International Speech Communication Association, 2010
Speaker recognition experiments using connectionist transformation network features.
Proceedings of the 11th Annual Conference of the International Speech Communication Association, 2010
Context dependent modelling approaches for hybrid speech recognizers.
Proceedings of the 11th Annual Conference of the International Speech Communication Association, 2010
2009
Detecting audio events for semantic video search.
Proceedings of the 10th Annual Conference of the International Speech Communication Association, 2009
Porting an european portuguese broadcast news recognition system to brazilian portuguese.
Proceedings of the 10th Annual Conference of the International Speech Communication Association, 2009
Audio contributions to semantic video search.
Proceedings of the 2009 IEEE International Conference on Multimedia and Expo, 2009
Non-speech audio event detection.
Proceedings of the IEEE International Conference on Acoustics, 2009
2008
Automatic Classification and Transcription of Telephone Speech in Radio Broadcast Data.
Proceedings of the Computational Processing of the Portuguese Language, 2008
Speaker orientation estimation based on hybridation of GCC-PHAT and HLBR.
Proceedings of the 9th Annual Conference of the International Speech Communication Association, 2008
Incorporating acoustical modelling of phone transitions in an hybrid ANN/HMM speech recognizer.
Proceedings of the 9th Annual Conference of the International Speech Communication Association, 2008
2007
A multi-microphone approach to speech processing in a smart-room environment.
PhD thesis, 2007
Audio-based approaches to head orientation estimation in a smart-room.
Proceedings of the 8th Annual Conference of the International Speech Communication Association, 2007
Multimodal Head Orientation Towards Attention Tracking in Smartrooms.
Proceedings of the IEEE International Conference on Acoustics, 2007
Multispeaker Localization and Tracking in Intelligent Environments.
Proceedings of the Multimodal Technologies for Perception of Humans, 2007
2006
Architecture and dialogue design for a voice operated information system.
Appl. Intell., 2006
Audio person tracking in a smart-room environment.
Proceedings of the Ninth International Conference on Spoken Language Processing, 2006
UPC Audio, Video and Multimodal Person Tracking Systems in the Clear Evaluation Campaign.
Proceedings of the Multimodal Technologies for Perception of Humans, 2006
2005
Improved Jacobian Adaptation for Robust Speaker Verification.
IEICE Trans. Inf. Syst., 2005
Effect of head orientation on the speaker localization performance in smart-room environment.
Proceedings of the 9th European Conference on Speech Communication and Technology, 2005
Automatic Speech Activity Detection, Source Localization, and Speech Recognition on the Chil Seminar Corpus.
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Proceedings of the 2005 IEEE International Conference on Multimedia and Expo, 2005
2004
Is symbolic integration better than numerical integration in satellite dynamics?
Appl. Math. Lett., 2004
Jacobian adaptation with improved noise reference for speaker verification.
Proceedings of the 8th International Conference on Spoken Language Processing, 2004
Speech enhancement and recognition by integrating adaptive beamforming and wiener filtering.
Proceedings of the 8th International Conference on Spoken Language Processing, 2004
Analytical Theory of Motion of a Mars Orbiter.
Proceedings of the Computational Science, 2004
2003
Jacobian adaptation based on the frequency-filtered spectral energies.
Proceedings of the 8th European Conference on Speech Communication and Technology, EUROSPEECH 2003, 2003
Symbolic Solution of Kepler's Generalized Equation.
Proceedings of the Computational Science - ICCS 2003, 2003
2001
Algebraic and Symbolic Manipulation of Poisson Series.
J. Symb. Comput., 2001
1999
Solving problems symbolically by using Poisson Series Processors.
SIGSAM Bull., 1999
1997
PSPCLink: A Cooperation Between General Symbolic and Poisson Series Processors.
J. Symb. Comput., 1997