Select Publications

Conference Papers

Kua JM; Epps JR; Nosratighods MH; Ambikairajah E; Choi E, 2011, 'Using Clustering Comparison Measures for Speaker Recognition', in 2011 IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 2011 - Proceedings, IEEE, Piscataway, NJ, United States, pp. 5452 - 5455, presented at 36th IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 2011, Prague, Czech Republic, 22 May 2011 - 27 May 2011, http://dx.doi.org/10.1109/ICASSP.2011.5947592

Yap ; Epps JR; Ambikairajah E; Choi E, 2011, 'Voice source features for cognitive load classification', in 2011 IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 2011 - Proceedings, IEEE, Piscataway, NJ, United States, pp. 5700 - 5703, presented at 36th IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 2011, Prague, Czech Republic, 22 May 2011 - 27 May 2011, http://dx.doi.org/10.1109/ICASSP.2011.5947654

Yu K; Epps JR; Chen F, 2011, 'Cognitive load evaluation of handwriting using stroke-level features', in Proceedings of the 15th International Conference on Intelligent User Interfaces, IUI'11, Association for Computing Machinery, New York, NY, United States, pp. 423 - 426, presented at 2011 15th ACM International Conference on Intelligent User Interfaces, IUI'11, Palo Alto, CA, United States, 13 February 2011 - 16 February 2011, http://dx.doi.org/10.1145/1943403.1943481

Chen S; Epps JR; Ruiz N; Chen F, 2011, 'Eye activity as a measure of human mental effort in HCI', in Proceedings of the 15th International Conference on Intelligent User Interfaces, IUI'11, Association for Computing Machinery, New York, NY, United States, pp. 315 - 318, presented at 2011 15th ACM International Conference on Intelligent User Interfaces, IUI'11, Palo Alto, CA, United States, 13 February 2011 - 16 February 2011, http://dx.doi.org/10.1145/1943403.1943454

Ambikairajah E; Epps JR, 2011, 'Project-based learning in digital signal processing: Development and experiences', in 2011 Digital Signal Processing and Signal Processing Education Meeting, DSP/SPE 2011 - Proceedings, IEEE Computer Society, Piscataway, NJ, United States, pp. 506 - 511, presented at 2011 Digital Signal Processing and Signal Processing Education Meeting, DSP/SPE 2011, Sedona, AZ, United States, 04 January 2011 - 07 January 2011, http://dx.doi.org/10.1109/DSP-SPE.2011.5739266

Morrison GS; Thiruvaran T; Epps JR, 2010, 'An issue in the calculation of logistic-regression calibration and fusion weights for forensic voice comparison', in Proceedings of the 13th Australasian International Conference on Speech Science and Technology, Melbourne, Australia, pp. 74 - 77, presented at 13th Conf. on Speech Science and Technology, Melbourne, Australia, 14 December 2010 - 17 December 2010, http://assta.org/sst/SST-10/WELCOME.PDF

Zarjam P; Chen F; Epps JR, 2010, 'Evaluation of Working Memory Load using EEG Signals', in 5th european Conference on Speech Communication and Technology, Singapore, pp. 721 - 724, presented at Asia-Pacific Signal Processing Association Conf., Singapore, 14 December 2010 - 17 December 2010, http://www.phys.unsw.edu.au/~jw/Eurospeech.html

Kua JM; Epps JR; Ambikairajah E; Nosratighods MH, 2010, 'Front-end Diversity in Fused Speaker Recognition Systems', in The Proceedings of APSIPA ASC 2010, Asia-Pacific Signal Processing Association, Hong Kong, pp. 59 - 63, presented at Asia-Pacific Signal Processing Association Conf., Singapore, 14 December 2010 - 17 December 2010, http://apsipa2010.i2r.a-star.edu.sg/v3/index.shtml

Nguyen XV; Epps JR, 2010, 'MinCEntropy: A novel information theoretic approach for the generation of alternative clusterings', in Proceedings - IEEE International Conference on Data Mining, ICDM 2010, IEEE, Sydney, NSW, Australia, pp. 521 - 530, presented at 10th IEEE International Conference on Data Mining, ICDM 2010, Sydney, NSW, Australia, 14 December 2010 - 17 December 2010, http://dx.doi.org/10.1109/ICDM.2010.24

Le NP; Epps JR; Ambikairajah E; Sethu V, 2010, 'Robust Speech-Based Cognitive Load Classification Using a Multi-band Approach', in The Proceedings of APSIPA ASC 2010, Asia-Pacific Signal Processing Association, Hong Kong, presented at Asia-Pacific Signal Processing Association Conf., Singapore, 14 December 2010 - 17 December 2010

Yap T; Epps JR; Ambikairajah E; Choi E, 2010, 'An Investigation of Formant Frequencies for Cognitive Load Classification', in Interspeech 2010, International Speech Communication Association, Makuhari, Chiba, Japan, pp. 2022 - 2025, presented at 11th Annual Conference of the International Speech Communication Association: Spoken Language Processing for All, INTERSPEECH 2010, Makuhari, Chiba, Japan, 26 September 2010 - 30 September 2010, http://www.isca-speech.org/archive/interspeech_2010

Le NP; Epps JR; Choi E; Ambikairajah E, 2010, 'A Study of Voice Source and Vocal Tract Filter Based Features in Cognitive Load Classification', IEEE, Istanbul, Turkey, pp. 4516 - 4519, presented at Proc. IEEE Int. Conf. on Pattern Recognition, Istanbul, Turkey, 23 August 2010 - 26 August 2010

Morrison GS; Thiruvaran T; Epps JR, 2010, 'Estimating the Precision of the Likelihood-Ratio Output of a Forensic-Voice-Comparison System', in Proceedings of Odyssey 2010: The Language and Speaker Recognition Workshop, Brno, Czech Republic, pp. 63 - 70, presented at Odyssey: The Speaker and Language Recognition Workshop, Brno, Czech Republic, 28 June 2010 - 01 July 2010, http://www.isca-speech.org/archive_open/odyssey_2010/index.html

Kua JM; Thiruvaran T; Nosratighods MH; Ambikairajah E; Epps JR, 2010, 'Spectral centroid amplitude and frequency for speaker recognition', Brno, Czech Republic, presented at Odyssey: The Speaker and Language Recognition Workshop, Brno, Czech Republic, 28 June 2010 - 01 July 2010

Yap T; Ambikairajah E; Epps JR; Choi E, 2010, 'Cognitive Load Classification Using Formant Features', IEEE, Kuala Lumpur, Malaysia, pp. 221 - 224, presented at IEEE 8th Int. Symp on Sig. Proc. and its Appl., Kuala Lumpur, Malaysia, 10 May 2010 - 13 May 2010

Yap T; Epps JR; Choi E; Ambikairajah E, 2010, 'Glottal features for speech-based cognitive load classification', IEEE, Dallas, TX, pp. 5234 - 5237, presented at IEEE Int. Conf. on Acoust., Speech and Sig. Proc., Dallas, TX, 14 March 2010 - 19 March 2010

Kua JMK; Thiruvaran T; Nosratighods M; Ambikairajah E; Epps J, 2010, 'Investigation of spectral centroid magnitude and frequency for speaker recognition', in Odyssey 2010: Speaker and Language Recognition Workshop, pp. 34 - 39

Le NP; Ambikairajah E; Epps JR; Choi E, 2009, 'A Non-Uniform Subband Approach to Speech-Based Cognitive Load Classification', in Seventh International Conference on Information, Communications and Signal Processing (ICICS 2009), IEEE, Macau, presented at 7th International Conference on Information, Communications and Signal Processing (ICICS 2009), Macau, 07 December 2009 - 10 December 2009

Vinh NX; Epps J, 2009, 'A novel approach for automatic number of clusters detection in microarray data based on consensus clustering', in Proceedings of the 2009 9th IEEE International Conference on Bioinformatics and BioEngineering, BIBE 2009, pp. 84 - 91, http://dx.doi.org/10.1109/BIBE.2009.19

Thiruvaran T; Ambikairajah E; Epps JR, 2009, 'Analysis of band structures for specific information in FM feature extraction', in Interspeech 2012, Curran Associates, Inc, Brighton, UK, presented at Interspeech 2009 Speech and Intelligence, Brighton, UK, 06 September 2009 - 10 September 2009

Kua JM; Epps JR; Ambikairajah E; Choi E, 2009, 'LS Regularization of Group Delay Features for Speaker Recognition', Brighton, UK, presented at Interspeech 2009 Speech and Intelligence, Brighton, UK, 06 September 2009 - 10 September 2009

Sethu V; Ambikairajah E; Epps JR, 2009, 'Pitch Contour Prameterisation based on Linear Stylisation for Emotion Recognition', in Interspeech 2012, Curran Associates, Inc, Brighton, UK, presented at Interspeech 2009 Speech and Intelligence, Brighton, UK, 06 September 2009 - 10 September 2009

Kua JMK; Epps J; Ambikairajah E; Choi E, 2009, 'LS regularization of group delay features for speaker recognition', in Interspeech 2009, ISCA, presented at Interspeech 2009, http://dx.doi.org/10.21437/interspeech.2009-46

Ambikairajah E; Epps JR; Sheng M, 2009, 'A Project Based Learning Approach To Engineering Education', Republic Polytechnic, Singapore, presented at 2nd International PBL Symposium, Singapore, 10 June 2009 - 12 June 2009

Nosratighods MH; Thiruvaran T; Epps JR; Ambikairajah E; Ma B; Li H, 2009, 'Evaluation of a fused FM and Cepstral-based speaker recognition system on the NIST 2008 SRE', in IEEE International Conference on Acoustics, Speech and Signal Processing, ICASSP, IEEE, USA, presented at ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing, Taipei, Taiwan, 19 April 2009 - 24 April 2009

Sethu V; Ambikairajah E; Epps JR, 2009, 'SPEAKER DEPENDENCY OF SPECTRAL FEATURES AND SPEECH PRODUCTION CUES FOR AUTOMATIC EMOTION CLASSIFICATION', in IEEE International Conference on Acoustics, Speech and Signal Processing, ICASSP, IEEE, USA, presented at ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing, Taipei, Taiwan, 19 April 2009 - 24 April 2009

Ma B; Zhu D; Khe C; You C; Tong R; Karkkainen I; Pervouchine V; Nosratighods MH; Epps JR; Ambikairajah E; Schultz TJ; Jin Q; Li H; Lee KA; Sun H; Huang CL; Li Y; Guo W; Dai L; Thiruvaran T; Chng E, 2009, 'The I4U system in NIST 2008 speaker recognition evaluation', in IEEE International Conference on Acoustics, Speech and Signal Processing, ICASSP, IEEE, USA, presented at ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing, Taipei, Taiwan, 19 April 2009 - 24 April 2009

Vinh NX; Epps J; Bailey J, 2009, 'Information theoretic measures for clusterings comparison: Is a correction for chance necessary?', in ACM International Conference Proceeding Series, http://dx.doi.org/10.1145/1553374.1553511

Epps JR; Nguyen XV; Bailey J, 2009, 'Information theoretic measures for clusterings comparison: Is a correction for chance necessary?', in ACM International Conference Proceeding Series, Montreal, Canada, presented at 26 th International Confer- ence on Machine Learning, Montreal, Canada

Ambikairajah E; Epps JR; Sheng M, 2008, 'Technology-Based and Project - Based Teaching: What is the impact on Student Learning?', in In Proc Of International Conference on Teaching and learning in Hiher Education (TLHE), Singapore, presented at 5th International Conference on Teaching and Learning in Higher Education., Singapore, 03 December 2008 - 05 December 2008

Thiruvaran T; Ambikairajah E; Epps JR, 2008, 'FM features for automatic forensic speaker recognition', in Interspeech 2012, Curran Associates, Inc, Brisbane Australia, presented at Interspeech 2008, Brisbane Australia, 22 September 2008 - 26 September 2008

Sethu V; Ambikairajah E; Epps JR, 2008, 'Phonetic and speaker variations in automatic emotion classification', in Interspeech 2012, Curran Associates, Inc, Brisbane Australia, presented at Interspeech 2008, Brisbane Australia, 22 September 2008 - 26 September 2008

Ambikairajah E; Epps JR; Celler BG; Maunder D, 2008, 'Dual-Microphone Sounds of Daily Life Classification for Telemonitoring in a Noisy Environment', in 31st Annual International Conference of the IEEE Engineering in Medicine and Biology Society, IEEE, United States, presented at 2008 30TH ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING INMEDICINE AND BIOLOGY SOCIETY, VOLS 1-8, Vancouver, BC, 20 August 2008 - 25 August 2008

Akhtar M; Ambikairajah E; Epps JR, 2008, 'Digital signal processing techniques for gene finding in eukaryotes', in Proceedings of the First International Conference on Advances in Natural Computation (ICNC 2005), Part III, Lecture Notes in Computer Science 3612/2005, Springer, Berlin, Germany, presented at International Conference Image and Signal Processing (ICISP 2008), France, 01 July 2008 - 03 July 2008

Thiruvaran T; Ambikairajah E; Epps JR; Jones E, 2008, 'An investigation of sub-band FM feature extraction in speaker recognition', in ISSC 2008, Galway, presented at IET Irish Signals and Systems Conference 2008, Galway, 18 June 2008 - 19 June 2008

Epps JR; Ambikairajah E; Akhtar M, 2008, 'An integer period DFT for biological sequence processing', in GENSIPS 2008 - 6th IEEE International Workshop on Genomic Signal Processing and Statistics, presented at 6th IEEE International Workshop on Genomic Signal Processing and Statistics, GENSIPS`08, 08 June 2008 - 10 June 2008

Ambikairajah E; Epps JR; Sheng M; Celler BG, 2008, 'A new mode of lecturing for self-directed learning - Virtual classroom on a DVD', in proceedings of Powders and Grains 2009, American Institute of Physics, USA, presented at 2008 IEEE, Las Vegas, 08 May 2008

Ambikairajah E; Epps JR; Sheng M; Freney SJ, 2008, 'A self-directed learning approach to signal processing education', in IEEE International Conference on Acoustics, Speech and Signal Processing, ICASSP, IEEE, USA, presented at IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2008), 31 March 2008 - 04 April 2008

Sethu V; Ambikairajah E; Epps JR, 2008, 'Empirical mode decomposition based weighted frequency feature for speech-based emotion classification', in IEEE International Conference on Acoustics, Speech and Signal Processing, ICASSP, IEEE, USA, presented at IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2008), 31 March 2008 - 04 April 2008

Akhtar M; Ambikairajah E; Epps JR, 2008, 'Optimizing period-3 methods for eukaryotic gene prediction', in IEEE International Conference on Acoustics, Speech and Signal Processing, ICASSP, IEEE, USA, presented at IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2008), 31 March 2008 - 04 April 2008

Maunder D; Ambikairajah E; Epps J; Celler B, 2008, 'Dual-microphone Sounds of Daily Life classification for telemonitoring in a noisy environment', in Proceedings of the 30th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBS'08 - "Personalized Healthcare through Technology", pp. 4636 - 4639, http://dx.doi.org/10.1109/iembs.2008.4650246

Sheng M; Ambikairajah E; Epps JR; Celler BG; Freney SJ, 2008, 'Virtual classrooms: Education technology for distance education and self-directed content review', in WMSCI 2008: 12TH WORLD MULTI-CONFERENCE ON SYSTEMICS, CYBERNETICS ANDINFORMATICS, VOL VII, PROCEEDINGS, Int Inst Informatics & Systemics, Orlando

Gunawan TS; Ambikairajah E; Epps JR, 2007, 'A signal boosting technique for gene prediction', in 6th International Conference on Information, Communications and Signal Processing, Singapore, presented at 6th International Conference on Information, Communications and Signal Processing, Singapore, 10 December 2007 - 13 December 2007

Ambikairajah E; Epps JR; Akhtar M, 2007, 'Comprehensive autoregressive modeling for classification of genomic sequences', in 6th International Conference on Information, Communications and Signal Processing, Singapore, presented at 6th International Conference on Information, Communications and Signal Processing, Singapore, 10 December 2007 - 13 December 2007

Ambikairajah E; Epps JR; Thiruvaran T, 2007, 'Group delay features for speaker recognition', in 6th International Conference on Information, Communications and Signal Processing, Singapore, presented at 6th International Conference on Information, Communications and Signal Processing, Singapore, 10 December 2007 - 13 December 2007

Nosratighods MH; Ambikairajah E; Epps JR; Carey M, 2007, 'Score weighting in speaker verification systems', in 6th International Conference on Information, Communications and Signal Processing, Singapore, presented at 6th International Conference on Information, Communications and Signal Processing, Singapore, 10 December 2007 - 13 December 2007

Ambikairajah E; Epps JR; Hesketh T; Freney SJ, 2007, 'Self-directed project based learning - a case study', in 18th Annual conference of the Australasian Association for Engineering Education, Melbourne, presented at 18th Annual conference of the Australasian Association for Engineering Education, Melbourne, 09 December 2007 - 13 December 2007

Akhtar M; Epps JR; Ambikairajah E, 2007, 'Paired spectral content measure for gene and exon prediction in Eukaryotes', in 3rd International Conference on emerging Technologies ICET 2007, Islamabad, Pakistan, presented at 3rd International Conference on emerging Technologies ICET 2007, Islamabad, Pakistan, 12 November 2007 - 13 November 2007

Ambikairajah E; Epps JR; Sheng M; Celler BG, 2007, 'Virtual classroom on a DVD - revisiting live lectures', in World Congress on Engineering and Computer Science 2007, San Francisco, California USA, presented at World Congress on Engineering and Computer Science 2007, San Francisco, California USA, 24 October 2007 - 26 October 2007

Epps JR; Schremmer C; Krumm-Heller A; Vernik R, 2007, 'Design Discussion of the [braccetto] research platform: supporting distributed intensely collaborating creative teams of teams', in 12th International Conference on Human-Computer Interaction (HCI) 2007, Beijing, China, presented at 12th International Conference on Human-Computer Interaction (HCI) 2007, Beijing, China, 22 July 2007 - 27 July 2007


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