Select Publications

Conference Papers

Gunawan TS; Ambikairajah E, 2006, 'A new forward masking model and its application to speech enhancement', in 2006 IEEE International Conference on acoustics, Speech and Signal (ICASSP), Institute of Electrical and Electronics Engineers, Inc., Toulouse, France, presented at IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2006), Toulouse, France, 14 May 2006 - 19 May 2006

Felicity A; Ambikairajah E; Epps JR, 2006, 'Warped magnitude and phase-based features for language identification', in 2006 IEEE International Conference on acoustics, Speech and Signal (ICASSP), Institute of Electrical and Electronics Engineers, Inc., Toulouse, France, presented at IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2006), Toulouse, France, 14 May 2006 - 19 May 2006

Allen FR; Ambikairajah E; Lovell NH; Celler BG, 2006, 'An adapted Gaussian mixture model approach to accelerometry-based movement classification using time-domain features.', in Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Conference, pp. 3600 - 3603

Sinaga F; Gunawan TS; Ambikairajah E, 2005, 'Scalable Audio Coding Using the Oversampled Discrete Wavelet Transform and Temporal Masking', in International Conference on Information, Communications and Signal Processing (ICICS), Bangkok, Thailand, presented at International Conference on Information, Communications and Signal Processing (ICICS), Bangkok, Thailand, 07 December 2005

Allen FR; Ambikairajah E; Epps JR, 2005, 'Language Identification using Warping and the Shifted Delta Cepstrum', in IEEE Multimedia, IEEE Computer Soc, Los Alamitos, CA, USA, presented at International Workshop on Multimedia Signal Processing 2005 MMSP 2005, Shanghai, China, 30 October 2005 - 02 November 2005

Akhtar M; Ambikairajah E; Epps JR, 2005, 'Detection of Period-3 Behavior in Genomic Sequences Using Singular Value Decomposition', in IEEE-ICET 2005 International Conference on Emerging Technologies, Islamabad, Pakistan, presented at IEEE-ICET 2005 International Conference on Emerging Technologies, Islamabad, Pakistan, 17 September 2005 - 18 September 2005

Celler BG; Ambikairajah E; Kaushik AR, 2005, 'A Methodology to Monitor the Changing Trends in Health Status of an Elderly Person by Developing a Markov Model', in 27th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC 2005), IEEE, United States, presented at 27th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC`05), Shanghai, China, 01 September 2005 - 04 September 2005

Celler BG; Wang L; Ambikairajah E, 2005, 'Analysis of Orientation Error of Triaxial Accelerometers on the Assessment of Energy Expenditure', in 27th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC 2005), IEEE, United States, presented at 27th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC`05), Shanghai, China, 01 September 2005 - 04 September 2005

Celler BG; Ambikairajah E; Savkin AV, 2005, 'Estimation of walking energy expenditure by using support vector regression', in 27th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC 2005), IEEE, United States, presented at 27th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC`05), Shanghai, China, 01 September 2005 - 04 September 2005

Mubarak OM; Ambikairajah E; Epps JR, 2005, 'Analysis of An MFCC-Based Audio Indexing System For Efficient Coding of Multimedia Sources', in Bouzerdoum A (ed.), 8th International Symposium on Signal Processing and Its Applications (ISSPA 2005), Sydney, pp. 619 - 622, presented at 8th International Symposium on Signal Processing and Its Applications (ISSPA 2005), Sydney, 28 August 2005 - 31 August 2005

Gunawan TS; Sinaga F; Ambikairajah E, 2005, 'Development and Evaluation of An Over-Sampled Wavelet Packed Audio Coder', in 8th International Symposium on Signal Processing and Its Applications (ISSPA 2005), Sydney, presented at 8th International Symposium on Signal Processing and Its Applications (ISSPA 2005), Sydney, 28 August 2005 - 31 August 2005

Ambikairajah E; Epps JR; Akhtar M, 2005, 'Gene and Exon Prediction Using Time Domain Algorithms', in 8th International Symposium on Signal Processing and Its Applications (ISSPA 2005), Sydney, presented at 8th International Symposium on Signal Processing and Its Applications (ISSPA 2005), Sydney, 28 August 2005 - 31 August 2005

Ambikairajah E; Akhtar M; Epps JR, 2005, 'Comparison of Gene and Exon Prediction Techniques for Detection of Short Coding Regions', 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 ICIC 2005 International Conference on Intelligent Computing, Hefei, China, 23 August 2005 - 26 August 2005

Celler BG; Ambikairajah E; Kaushik AR, 2005, 'Monitoring Health Status of Elderly People Living ALone at Home Using Markov Model', in IASTED International Conference on TELEHEALTH, Banff Alberta Canada, presented at IASTED 2005: 2nd IASTED International Conference on Antennas, Radar, and Wave Propagation, Banff Alberta Canada, 19 July 2005 - 21 July 2005

Sheng M; Ambikairajah E; Epps JR, 2005, 'Development of a virtual classroom player for self-directed learning', in 3rd International Conference on Multimedia and Information and Communication Technologies in Education (m-ICTE2005), Caceres, Spain, presented at 3rd International Conference on Multimedia and Information and Communication Technologies in Education (m-ICTE2005), Caceres, Spain, 07 June 2005 - 10 June 2005

Ambikairajah E; Epps JR; Sheng M; Celler BG, 2005, 'Evaluation of An Electronic Whiteboard-Based Computing Laboratory', in 3rd International Conference on Multimedia and Information and Communication Technologies in Education (m-ICTE2005), Caceres, Spain, presented at 3rd International Conference on Multimedia and Information and Communication Technologies in Education (m-ICTE2005), Caceres, Spain, 07 June 2005 - 10 June 2005

Ambikairajah E; Epps JR; Sheng M; Celler BG; Chen PC, 2005, 'Experiences with an Electronic Whiteboard Teaching Laboratory and Tablet PC-Based Lecture Presentations', in 2005 IEEE International Conference on Acoustics, Speech, and Signal Processing, Philadelphia, Pennsylvania, presented at IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2005), Philadelphia, Pennsylvania, 18 March 2005 - 23 March 2005

Ambikairajah E; Epps JR, 2005, 'Visualisation of Reduced-Dimension Microarray Data Using Gaussian Mixture Models', in Asia Pacific Symposium on Information Visualisation 2005, Sydney, presented at Asia Pacific Symposium on Information Visualisation 2005, Sydney, 27 January 2005 - 29 January 2005

Ambikairajah E; Gunawan TS, 2004, '10th australian international conference on speech science & technology', in 10th Australian International Conference on Speech Science and Technology, Macquarie University, Sydney, presented at 10th Australian International Conference on Speech Science and Technology, Macquarie University, Sydney, 08 December 2004 - 10 December 2004

Ambikairajah E; Gunawan TS; Epps J, 2004, 'Perceptual wavelet packet audio coder', in Interspeech 2004 - ICSLP, Jeju Island, Korea, presented at Interspeech 2004 - ICSLP, Jeju Island, Korea, 04 October 2004 - 08 October 2004

Ambikairajah E; Senac C, 2004, 'Audio indexing using feature warping and fusion techniques', in Multimedia signal processing, presented at Multimedia signal processing, 29 September 2004 - 01 October 2004

Ambikairajah E; Gunawan TS; Epps J, 2004, 'Fixed bit rate perceptual wavelet packet audio coder', in ICCS 2004: 9th IEEE Singapore international conference on communication systems, Shangri-La`s Rasa Sentosa, Singapore, presented at International Conference on Conceptual Structures ICCS 2004, Shangri-La`s Rasa Sentosa, Singapore, 06 September 2004 - 08 September 2004

Ambikairajah E; Bradley AP; Sinaga F, 2004, 'Over-sampling for accurate masking threshold calculation in wavelet packet audio coders', in ICCS 2004: 9th IEEE Singapore international conference on communication systems, Shangri-La`s Rasa Sentosa, Singapore, presented at International Conference on Conceptual Structures ICCS 2004, Shangri-La`s Rasa Sentosa, Singapore, 06 September 2004 - 08 September 2004

Ambikairajah E; Gunawan TS, 2004, 'Single channel speech enchancement using temporal masking', in ICCS 2004: 9th IEEE Singapore international conference on communication systems, Shangri-La`s Rasa Sentosa, Singapore, presented at International Conference on Conceptual Structures ICCS 2004, Shangri-La`s Rasa Sentosa, Singapore, 06 September 2004 - 08 September 2004

Ambikairajah E; Gunawan TS; Jones E, 2004, 'Temporal masking models for audio coding', in irish signals and systems conference 2004, Northern Ireland, presented at irish signals and systems conference 2004, Northern Ireland, 30 June 2004 - 02 July 2004

Sinaga F; Ambikairajah E; Bradley AP, 2004, 'Over-sampling for accurate masking thershold calculation wavelet packet audio coders', in 9th International Conference on Communications Systems 2004, ICCS 2004, pp. 245 - 249, http://dx.doi.org/10.1109/ICCS.2004.1359376

Gunawan TS; Ambikairajah E, 2004, 'Single channel speech enhancement using temporal masking', in 9th International Conference on Communications Systems 2004, ICCS 2004, pp. 250 - 254, http://dx.doi.org/10.1109/ICCS.2004.1359377

Ambikairajah E; Senac C, 2004, 'Audio classification for radio broadcast indexing: feature normalization & multiple classifiers decision', in 5th pacific rim conference on multimedia, Tokyo, Japan, presented at 5th pacific rim conference on multimedia, Tokyo, Japan, -

Ambikairajah E; Gunawan TS; Sen D, 2004, 'Speech & audio coding using temporal masking', in Signals and communications, presented at Signals and communications

Ambikairajah E; Epps JR, 2004, 'Use of the discrete cosine transform for gene expression data analysis', in Workshop on genomic signal processing and statistics (GENSIPS - 2004), Baltimore, Maryland, USA, presented at 2nd IEEE International Workshop on Genomic Signal Processing and Statistics GENSIPS`04, Baltimore, Maryland, USA

Ambikairajah E; Gunawan TS; Sinaga F, 2003, 'Wavelet Packet Based Audio Coding Using Temporal Masking', in 4th International Conference on Information, Communications and Signal Proceeding and 4th Pacific-Rim Conference on Multimedia, Singapore, presented at 4th International Conference on Information, Communications and Signal Proceeding and 4th Pacific-Rim Conference on Multimedia, Singapore, 15 December 2003 - 18 December 2003

Ambikairajah E; Sheng M; Celler BG; Epps JR, 2003, 'Evaluation of a Virtual Teaching Laboratory For Signal Processing Education', in Cantu S; Garza C; Stewart B (eds.), 2003 International Conference on Acoustics, Speech, and Signal Processing, Hong Kong, pp. 757 - 760, presented at IEEE International Conference on Acoustics 2003, Hong Kong, 06 April 2003 - 10 April 2003

Ambikairajah E; Lin LL; Holmes WH, 2003, 'Subband Noise Estimation For Speech Enhancement Using a Perceptual Wiener Filter', in Cantu S; Garza C; Stewart B (eds.), 2003 International Conference on Acoustics, Speech, and Signal Processing, Hong Kong, pp. 80 - 83, presented at IEEE International Conference on Acoustics 2003, Hong Kong, 06 April 2003 - 10 April 2003

Ambikairajah E; Sen D; Gunawan TS, 2003, 'Comparison of Temporal Masking Models For Speech and Audio Coding Applications', in 7th International Symposium on DSP and 2nd Workshop on Internet Telecommunications and Signal Processing, Brisbane, Qld, presented at 7th International Symposium on DSP and Communication Systems Combined with the 2nd Workshop on the Internet, Telecommunications and Signal Processing, Brisbane, Qld

Yubendren S; Ambikairajah E, 2002, 'A robust front end for speech processing using auditory masking effects.', in Bow C (ed.), 9th Australian International Conference on Speech Science and Technology, Melbourne, pp. 112 - 117, presented at 9th Australian International Conference on Speech Science and Technology, Melbourne, 03 December 2002 - 05 December 2002

Lin LL; Holmes WH; Ambikairajah E, 2002, 'an adaptive noise estimation algorithm for speech enhancement', in 9th Australian International Conference on Speech Science and Technology, Melbourne, presented at 9th Australian International Conference on Speech Science and Technology, Melbourne, 03 December 2002 - 05 December 2002

Lin LL; Jasa L; Ambikairajah E; Linawati , 2002, 'A hybrid state estimation scheme for power systems', in APCCAS 2002, Bali, Indonesia, presented at APCCAS`02, Bali, Indonesia, 28 October 2002 - 31 October 2002

Ambikairajah E; Linawati ; Mehrpour H, 2002, 'Cell loss analysis of self-similar traffic in ATM network', in APCCAS 2002, Bali, Indonesia, presented at APCCAS`02, Bali, Indonesia, 28 October 2002 - 31 October 2002

Lin LL; Ambikairajah E; Holmes WH, 2002, 'Speech enhancement for nonstationary noise environment', in APCCAS 2002, Bali, Indonesia, presented at APCCAS`02, Bali, Indonesia, 28 October 2002 - 31 October 2002

Lin LL; Ambikairajah E, 2002, 'Speech denoising based on an auditory filterbank', in Yuan B; Tang X (ed.), ICSP 2002, Beijing, China, pp. 552 - 555, presented at ICSP`02, Beijing, China, 26 August 2002 - 30 August 2002

Ambikairajah E; Holmes WH; Lin LL, 2002, 'Perceptual domain based speech and audio coder', in DSPCS 2002, Manly, Sydney, presented at 6th International Symposium on Digital Signal Processing for Communication Systems, Manly, Sydney, 28 January 2002 - 31 January 2002

Lin L; Holmes WH; Ambikairajah E, 2002, 'Speech enhancement based on a perceptual modification of Wiener filtering', in 7th International Conference on Spoken Language Processing, ICSLP 2002, pp. 781 - 784

Ambikairajah E; Holmes WH; Lin L, 2001, 'Application of Log-magnitude modelling techniques to auditory filterbank design', in 3rd International Conference on Information, Communications and Signal Processing, Singapore, presented at 3rd International Conference on Information, Communications and Signal Processing, Singapore, 15 October 2001 - 18 October 2001

Faggion PR; An J; Ambikairajah E, 2001, 'Online JAVA Signal Processing Education', in 3rd International Conference on Information, Communications and Signal Processing, Singapore, presented at 3rd International Conference on Information, Communications and Signal Processing, Singapore, 15 October 2001 - 18 October 2001

Ambikairajah E; Holmes WH; Lin L, 2001, 'Auditory filter bank design using masking curves', in 7th European Conference on Speech Communication and Technology, Aalborg, Denmark, presented at 7th European Conference on Speech Communication and Technology, Aalborg, Denmark, 03 September 2001 - 07 September 2001

Ambikairajah E; Epps JR; Kilmartin L; O Malley F, 2001, 'Auditory Domain Based Time-Frequency Parameterisation for Speech and Audio Coding', in Irish Signals and Systems Conference 2001, NUI Maynooth, presented at Irish Signals and Systems Conference 2001, NUI Maynooth, 25 June 2001 - 27 June 2001

Ambikairajah E; Epps JR; O Malley F; Kilmartin L, 2001, 'Pitch and Voicing Estimation of Speech using an Auditory Domain Time-Frequency Analysis', in Irish Signals and Systems Conference 2001, NUI Maynooth, presented at Irish Signals and Systems Conference 2001, NUI Maynooth, 25 June 2001 - 27 June 2001

Lin L; Ambikairajah E; Holmes WH, 2001, 'Log-Magnitude Modelling of Auditory Tuning Curves', in Mathews JV (ed.), IEEE Signal Processing Society International Conference on Acoustics, Speech, and Signal Processing, Utah, presented at IEEE Signal Processing Society International Conference on Acoustics, Speech, and Signal Processing, Utah, 07 May 2001 - 11 May 2001

Ambikairajah E; Epps JR; Lin L, 2001, 'Wideband Speech and Audio Coding Using Gammatone Filter Banks', in Mathews JV (ed.), IEEE Signal Processing Society International Conference on Acoustics, Speech, and Signal Processing, Utah, presented at IEEE Signal Processing Society International Conference on Acoustics, Speech, and Signal Processing, Utah, 07 May 2001 - 11 May 2001

Holmes WH; Ambikairajah E; Lin L, 2001, 'Auditory filter bank inversion', in IEEE International Symposium on Circuits and Systems 2001, Sydney, presented at IEEE International Symposium on Circuits and Systems 2001, Sydney, 06 May 2001 - 09 May 2001


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