Select Publications

Book Chapters

Sethu V; Epps J; Ambikairajah E, 2015, 'Speech based emotion recognition', in Speech and Audio Processing for Coding, Enhancement and Recognition, Springer Link, pp. 197 - 228, http://dx.doi.org/10.1007/978-1-4939-1456-2_7

Ambikairajah E; Sethu V; Eaton R; Sheng M, 2014, 'Evolving use of educational technologies: Enhancing lectures', in Using Technology Tools to Innovate Assessment, Reporting, and Teaching Practices in Engineering Education, pp. 241 - 258, http://dx.doi.org/10.4018/978-1-4666-5011-4.ch018

Journal articles

Ramandi HL; Irtza S; Sirojan T; Naman A; Mathew R; Sethu V; Roshan H, 2022, 'FracDetect: A novel algorithm for 3D fracture detection in digital fractured rocks', Journal of Hydrology, vol. 607, http://dx.doi.org/10.1016/j.jhydrol.2022.127482

Wu J; Dang T; Sethu V; Ambikairajah E, 2022, 'A Novel Markovian Framework for Integrating Absolute and Relative Ordinal Emotion Information', IEEE Transactions on Affective Computing, http://dx.doi.org/10.1109/TAFFC.2022.3159782

Wu J; Dang T; Sethu V; Ambikairajah E, 2021, 'Multimodal Affect Models: An Investigation of Relative Salience of Audio and Visual Cues for Emotion Prediction', Frontiers in Computer Science, vol. 3, http://dx.doi.org/10.3389/fcomp.2021.767767

Gunendradasan T; Ambikairajah E; Epps J; Sethu V; Li H, 2021, 'An adaptive transmission line cochlear model based front-end for replay attack detection', Speech Communication, vol. 132, pp. 114 - 122, http://dx.doi.org/10.1016/j.specom.2021.06.004

Aboutanios E; Sethu V; Ambikairajah E; Taubman DS; Epps J, 2021, 'Teaching Signal Processing through Frequent and Diverse Design: A Pedagogical Approach', IEEE Signal Processing Magazine, vol. 38, pp. 133 - 143, http://dx.doi.org/10.1109/MSP.2021.3057855

Cummins N; Sethu V; Epps J; Williamson JR; Quatieri TF; Krajewski J, 2020, 'Generalized two-stage rank regression framework for depression score prediction from speech', IEEE Transactions on Affective Computing, vol. 11, pp. 272 - 283, http://dx.doi.org/10.1109/TAFFC.2017.2766145

Suthokumar G; Sriskandaraja K; Sethu V; Ambikairajah E; Li H, 2020, 'An analysis of speaker dependent models in replay detection', APSIPA Transactions on Signal and Information Processing, vol. 9, http://dx.doi.org/10.1017/ATSIP.2020.9

Huang Z; Epps J; Joachim D; Sethu V, 2020, 'Natural Language Processing Methods for Acoustic and Landmark Event-Based Features in Speech-Based Depression Detection', IEEE Journal on Selected Topics in Signal Processing, vol. 14, pp. 435 - 448, http://dx.doi.org/10.1109/JSTSP.2019.2949419

Masood H; Toe CY; Teoh WY; Sethu V; Amal R, 2019, 'Machine Learning for Accelerated Discovery of Solar Photocatalysts', ACS Catalysis, vol. 9, pp. 11774 - 11787, http://dx.doi.org/10.1021/acscatal.9b02531

Vukovic M; Sethu V; Parker J; Cavedon L; Lech M; Thangarajah J, 2019, 'Estimating cognitive load from speech gathered in a complex real-life training exercise', International Journal of Human Computer Studies, vol. 124, pp. 116 - 133, http://dx.doi.org/10.1016/j.ijhcs.2018.12.003

Brown S; Sethu V; Taubman D, 2019, 'Spatial Wiener filter to reduce spatial aliasing with spherical microphone arrays', Journal of the Acoustical Society of America, vol. 145, pp. 2254 - 2264, http://dx.doi.org/10.1121/1.5096184

Sethu V; Provost EM; Epps J; Busso C; Cummins N; Narayanan SS, 2019, 'The Ambiguous World of Emotion Representation.', CoRR, vol. abs/1909.00360

Ma J; Sethu V; Ambikairajah E; Lee KA, 2018, 'Generalized variability model for speaker verification', IEEE Signal Processing Letters, vol. 25, pp. 1775 - 1779, http://dx.doi.org/10.1109/LSP.2018.2874814

Dang T; Sethu V; Ambikairajah E, 2018, 'Compensation Techniques for Speaker Variability in Continuous Emotion Prediction', IEEE Transactions on Affective Computing, pp. 1 - 15, http://dx.doi.org/10.1109/TAFFC.2018.2883044

Irtza S; Sethu V; Ambikairajah E; Li H, 2018, 'Using language cluster models in hierarchical language identification', Speech Communication, vol. 100, pp. 30 - 40, http://dx.doi.org/10.1016/j.specom.2018.04.004

Fernando S; Sethu V; Ambikairajah E, 2018, 'Hidden variability subspace learning for adaptation of deep neural networks', Electronics Letters, vol. 54, pp. 173 - 175, http://dx.doi.org/10.1049/el.2017.4027

Sriskandaraja K; Sethu V; Ambikairajah E; Li H, 2017, 'Front-end for antispoofing countermeasures in speaker verification: Scattering spectral decomposition', IEEE Journal on Selected Topics in Signal Processing, vol. 11, pp. 632 - 643, http://dx.doi.org/10.1109/JSTSP.2016.2647202

Ma J; Sethu V; Ambikairajah E; Lee KA, 2017, 'Duration compensation of i-vectors for short duration speaker verification', Electronics Letters, vol. 53, pp. 405 - 407, http://dx.doi.org/10.1049/el.2016.4629

Cummins N; Sethu V; Epps J; Schnieder S; Krajewski J, 2015, 'Analysis of acoustic space variability in speech affected by depression', Speech Communication, vol. 75, pp. 27 - 49, http://dx.doi.org/10.1016/j.specom.2015.09.003

Thiruvaran T; Sethu V; Ambikairajah E; Li H, 2015, 'Spectral shifting of speaker-specific information for narrow band telephonic speaker recognition', Electronics Letters, vol. 51, pp. 2149 - 2151, http://dx.doi.org/10.1049/el.2015.3117

Sethu V; Ambikairajah E; Epps J, 2013, 'On the use of speech parameter contours for emotion recognition', Eurasip Journal on Audio, Speech, and Music Processing, vol. 2013, http://dx.doi.org/10.1186/1687-4722-2013-19

Le NP; Ambikairajah E; Epps JR; Sethu V; Choi E, 2011, 'Investigation of spectral centroid features for cognitive load classification', Speech Communication, vol. 53, pp. 540 - 551, http://dx.doi.org/10.1016/j.specom.2011.01.005

Ambikairajah E; Li H; Wang L; Yin B; Sethu V, 2011, 'Language Identification: A Tutorial', Circuits and Systems Magazine, IEEE, vol. 11, pp. 82 - 108, http://dx.doi.org/10.1109/MCAS.2011.941081

Sethu V; Ambikairajah E; Ge L, 2008, 'Selective weighting of undecimated wavelet coefficients for noise reduction in SAR interferograms', Eurasip Journal on Advances In Signal Processing, vol. 2008, pp. 78092 - 78099, http://dx.doi.org/10.1155/2008/378092

Meng D; Sethu V; Ambikairajah E; Ge L, 2007, 'A novel technique for noise reduction in InSAR images', IEEE Geoscience and Remote Sensing Letters, vol. 4, pp. 226 - 230, http://dx.doi.org/10.1109/LGRS.2006.888845

Conference Papers

Wu J; Dang T; Sethu V; Ambikairajah E, 2022, 'A NOVEL SEQUENTIAL MONTE CARLO FRAMEWORK FOR PREDICTING AMBIGUOUS EMOTION STATES', in ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings, IEEE, pp. 8567 - 8571, presented at ICASSP 2022 - 2022 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), 23 May 2022 - 27 May 2022, http://dx.doi.org/10.1109/ICASSP43922.2022.9746350

Ahmed B; Ballard K; Burnham D; Sirojan T; Mehmood H; Estival D; Baker E; Cox F; Arciuli J; Benders T; Demuth K; Kelly B; Diskin-Holdaway C; Shahin M; Sethu V; Epps J; Lee CB; Ambikairajah E, 2021, 'AusKidTalk: An auditory-visual corpus of 3-to 12-year-old Australian children's speech', in Proceedings of the Annual Conference of the International Speech Communication Association, INTERSPEECH, ISCA, pp. 4351 - 4355, presented at Interspeech 2021, http://dx.doi.org/10.21437/Interspeech.2021-2000

Bose D; Sethu V; Ambikairajah E, 2021, 'Parametric Distributions to Model Numerical Emotion Labels', in Proceedings of the Annual Conference of the International Speech Communication Association, INTERSPEECH, ISCA, pp. 576 - 580, presented at Interspeech 2021, http://dx.doi.org/10.21437/Interspeech.2021-1000

Suthokumar G; Sethu V; Sriskandaraja K; Ambikairajah E, 2020, 'Adversarial Multi-Task Learning for Speaker Normalization in Replay Detection', in ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings, IEEE, pp. 6609 - 6613, http://dx.doi.org/10.1109/ICASSP40776.2020.9054322

Ambikairajah E; Sethu V, 2020, 'Cochlear Signal Processing: A Platform for Learning the Fundamentals of Digital Signal Processing', in ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings, IEEE, pp. 9229 - 9233, http://dx.doi.org/10.1109/ICASSP40776.2020.9054297

Ouyang A; Dang T; Sethu V; Ambikairajah E, 2019, 'Speech based emotion prediction: Can a linear model work?', in Proceedings of the Annual Conference of the International Speech Communication Association, INTERSPEECH, ISCA, Graz, Austria, pp. 2813 - 2817, presented at INTERSPEECH 2019, Graz, Austria, 15 September 2019 - 19 September 2019, http://dx.doi.org/10.21437/Interspeech.2019-3149

Bose D; Dang T; Sethu V; Ambikairajah E; Fernando S, 2019, 'A Novel Bag-of-Optimised-Clusters Front-End for Speech based Continuous Emotion Prediction', in 2019 8th International Conference on Affective Computing and Intelligent Interaction, ACII 2019, IEEE, pp. 738 - 744, http://dx.doi.org/10.1109/ACII.2019.8925490

Atcheson M; Sethu V; Epps J, 2019, 'Using Gaussian Processes with LSTM Neural Networks to Predict Continuous-Time, Dimensional Emotion in Ambiguous Speech', in 2019 8th International Conference on Affective Computing and Intelligent Interaction, ACII 2019, IEEE, pp. 718 - 724, http://dx.doi.org/10.1109/ACII.2019.8925450

Wickramasinghe B; Ambikairajah E; Epps J; Sethu V; Li H, 2019, 'Auditory Inspired Spatial Differentiation for Replay Spoofing Attack Detection', in ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings, pp. 6011 - 6015, http://dx.doi.org/10.1109/ICASSP.2019.8683693

Suthokumar G; Sriskandaraja K; Sethu V; Wijenayake C; Ambikairajah E, 2019, 'Phoneme Specific Modelling and Scoring Techniques for Anti Spoofing System', in ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings, pp. 6106 - 6110, http://dx.doi.org/10.1109/ICASSP.2019.8682411

Fernando S; Sethu V; Ambikairajah E; Li H, 2019, 'Second Order Factorized Model Adaptation for Short Duration Language Identification', in 2018 Asia-Pacific Signal and Information Processing Association Annual Summit and Conference, APSIPA ASC 2018 - Proceedings, pp. 1440 - 1447, http://dx.doi.org/10.23919/APSIPA.2018.8659586

Suthokumar G; Sriskandaraja K; Sethu V; Wijenayake C; Ambikairajah E; Li H, 2019, 'Use of Claimed Speaker Models for Replay Detection', in 2018 Asia-Pacific Signal and Information Processing Association Annual Summit and Conference, APSIPA ASC 2018 - Proceedings, pp. 1038 - 1046, http://dx.doi.org/10.23919/APSIPA.2018.8659510

Fernando S; Irtza S; Sethu V; Ambikairajah E, 2018, 'Advances in Feature Extraction and Modelling for Short Duration Language Identification', in 2018 IEEE 9th International Conference on Information and Automation for Sustainability, ICIAfS 2018, http://dx.doi.org/10.1109/ICIAFS.2018.8913386

Suthokumar G; Sriskandaraja K; Sethu V; Wijenayake C; Ambikairajah E, 2018, 'An Investigation about the Scalability of the Spoofing Detection System', in 2018 IEEE 9th International Conference on Information and Automation for Sustainability, ICIAfS 2018, http://dx.doi.org/10.1109/ICIAFS.2018.8913369

Gamage KW; Dang T; Sethu V; Epps J; Ambikairajah E, 2018, 'Speech-based Continuous Emotion Prediction by Learning Perception Responses related to Salient Events: A Study based on Vocal Affect Bursts and Cross-Cultural Affect in AVEC 2018', in AVEC 2018 - Proceedings of the 2018 Audio/Visual Emotion Challenge and Workshop, co-located with MM 2018, pp. 47 - 55, http://dx.doi.org/10.1145/3266302.3266314

Dang T; Sethu V; Ambikairajah E, 2018, 'Dynamic Multi-Rater Gaussian Mixture Regression Incorporating Temporal Dependencies of Emotion Uncertainty Using Kalman Filters', in ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings, pp. 4929 - 4933, http://dx.doi.org/10.1109/ICASSP.2018.8461321

Irtza S; Sethu V; Ambikairajah E; Li H, 2018, 'End-to-End Hierarchical Language Identification System', in ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings, pp. 5199 - 5203, http://dx.doi.org/10.1109/ICASSP.2018.8461419

Fernando S; Sethu V; Ambikairajah E, 2018, 'Factorized Hidden Variability Learning for Adaptation of Short Duration Language Identification Models', in ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings, pp. 5204 - 5208, http://dx.doi.org/10.1109/ICASSP.2018.8462094

Ma J; Sethu V; Ambikairajah E; Lee KA, 2018, 'Speaker-Phonetic Vector Estimation for Short Duration Speaker Verification', in ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings, pp. 5264 - 5268, http://dx.doi.org/10.1109/ICASSP.2018.8461978

Sriskandaraja K; Suthokumar G; Sethu V; Ambikairajah E, 2018, 'Investigating the use of scattering coefficients for replay attack detection', in Proceedings - 9th Asia-Pacific Signal and Information Processing Association Annual Summit and Conference, APSIPA ASC 2017, pp. 1195 - 1198, http://dx.doi.org/10.1109/APSIPA.2017.8282211

Gamage KW; Sethu V; Ambikairajah E, 2018, 'Modeling variable length phoneme sequences - A step towards linguistic information for speech emotion recognition in wider world', in 2017 7th International Conference on Affective Computing and Intelligent Interaction, ACII 2017, pp. 518 - 523, http://dx.doi.org/10.1109/ACII.2017.8273648

Sriskandaraja K; Sethu V; Ambikairajah E, 2018, 'Deep Siamese architecture based replay detection for secure voice biometric', in Proceedings of the Annual Conference of the International Speech Communication Association, INTERSPEECH, pp. 671 - 675, http://dx.doi.org/10.21437/Interspeech.2018-1819

Atcheson M; Sethu V; Epps J, 2018, 'Demonstrating and modelling systematic time-varying annotator disagreement in continuous emotion annotation', in Proceedings of the Annual Conference of the International Speech Communication Association, INTERSPEECH, pp. 3668 - 3672, http://dx.doi.org/10.21437/Interspeech.2018-1933


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