Select Publications

Book Chapters

Bhowmik K; Peng GD; Ambikairajah E; Rajan G, 2015, 'High sensitivity polymer fibre bragg grating sensors and devices', in Photonic Materials for Sensing, Biosensing and Display Devices, Springer International Publishing, Springer International Publishing Switzerland 2016, pp. 289 - 312,

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,

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,

Epps JR; Ambikairajah E, 2011, 'Speech characterization and feature extraction for speaker recognition', in Li H; Toh KA; Li LY (ed.), Advanced Topics in Biometrics, World Scientific Publishing Company, Singapore, pp. 45,

Ambikairajah E; Holmes WH, 2002, 'Wideband speech and audio coding in the perceptual domain', in Wysocki TA; Darnell M; Honary B (ed.), Advanced Signal Processing for Communication Systems, edn. KLUWER INTERNATIONAL SERIES IN ENGINEERING AND COMPUTER SCIE, Kluwer Academic Publishers, Netherlands, pp. 15 - 30,

Ambikairajah E; Lennon S, 1991, 'Neural Networks for Speech Recognition', in AI and Cognitive Science ’90, Springer London, pp. 163 - 177,

Ambikairajah E; Jones E; Gallery R, 1990, 'A Physiologically Based Front-End Processor for Speech Recognition', in Workshops in Computing, Springer London, pp. 275 - 291,

Journal articles

Celler BG; Le PN; Argha A; Ambikairajah E, 2020, 'GMM-HMM-Based Blood Pressure Estimation Using Time-Domain Features', IEEE Transactions on Instrumentation and Measurement, vol. 69, pp. 3631 - 3641,

Liyanage N; Wijenayake C; Edussooriya C; Madanayake A; Agathoklis P; Bruton LT; Ambikairajah E, 2020, 'Multi-depth filtering and occlusion suppression in 4-D light fields: Algorithms and architectures', Signal Processing, vol. 167, pp. 107294 - 107294,

Pan Z; Chua Y; Wu J; Zhang M; Li H; Ambikairajah E, 2020, 'An Efficient and Perceptually Motivated Auditory Neural Encoding and Decoding Algorithm for Spiking Neural Networks', Frontiers in Neuroscience, vol. 13,

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,

Celler BG; Le PN; Argha A; Ambikairajah E, 2019, 'Blood Pressure Estimation Using Time Domain Features of Auscultatory Waveforms and GMM-HMM Classification Approach', Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference, vol. 2019, pp. 208 - 211,

Arunan A; Ravishankar J; Ambikairajah E, 2019, 'Improved disturbance detection and load shedding technique for low voltage islanded microgrids', IET Generation, Transmission and Distribution, vol. 13, pp. 2102 - 2111,

Lu S; Sirojan T; Phung BT; Zhang D; Ambikairajah E, 2019, 'DA-DCGAN: An Effective Methodology for DC Series Arc Fault Diagnosis in Photovoltaic Systems', IEEE Access, vol. 7, pp. 45831 - 45840,

Ambikairajah A; Ambikairajah R; Ambikairajah E, 2019, 'The impact of improving feelings of relatedness on motivation and engagement for tertiary students', International Journal of Mathematical Education in Science and Technology,

Ma J; Sethu V; Ambikairajah E; Lee KA, 2018, 'Generalized variability model for speaker verification', IEEE Signal Processing Letters, vol. 25, pp. 1775 - 1779,

Dang T; Sethu V; Ambikairajah E, 2018, 'Compensation Techniques for Speaker Variability in Continuous Emotion Prediction', IEEE Transactions on Affective Computing, pp. 1 - 15,

Malekpour M; Pouramin A; Malekpour A; Phung T; Ambikairajah E, 2018, 'Monitoring and measurement of highfrequency oscillatory transient recovery voltage of circuit breakers', IET Science, Measurement and Technology, vol. 12, pp. 764 - 769,

Celler BG; Argha A; Le PN; Ambikairajah E, 2018, 'Novel methods of testing and calibration of oscillometric blood pressure monitors', PLoS ONE, vol. 13,

Irtza S; Sethu V; Ambikairajah E; Li H, 2018, 'Using language cluster models in hierarchical language identification', Speech Communication, vol. 100, pp. 30 - 40,

Ravishankar J; Epps J; Ambikairajah E, 2018, 'A flipped mode teaching approach for large and advanced electrical engineering courses', European Journal of Engineering Education, vol. 43, pp. 413 - 426,

Fernando S; Sethu V; Ambikairajah E, 2018, 'Hidden variability subspace learning for adaptation of deep neural networks', Electronics Letters, vol. 54, pp. 173 - 175,

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,

Celler BG; Le P; Basilakis J; Ambikairajah E, 2017, 'Improving the quality and accuracy of non-invasive blood pressure measurement by visual inspection and automated signal processing of the Korotkoff sounds', Physiological Measurement, vol. 38, pp. 1006 - 1022,

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,

Malekpour M; Phung BT; Ambikairajah E, 2017, 'Online technique for insulation assessment of induction motor stator windings under different load conditions', IEEE Transactions on Dielectrics and Electrical Insulation, vol. 24, pp. 349 - 358,

Chen J; Phung T; Blackburn T; Ambikairajah E; Zhang D, 2016, 'Detection of high impedance faults using current transformers for sensing and identification based on features extracted using wavelet transform', IET Generation, Transmission and Distribution, vol. 10, pp. 2990 - 2998,

Bhowmik K; Peng GD; Luo Y; Ambikairajah E; Lovric V; Walsh WR; Rajan G, 2016, 'High intrinsic sensitivity etched polymer fiber Bragg grating pair for simultaneous strain and temperature measurements', IEEE Sensors Journal, vol. 16, pp. 2453 - 2459,

Bhowmik K; Peng GD; Luo Y; Ambikairajah E; Lovric V; Walsh WR; Rajan G, 2016, 'Etching process related changes and effects on solid-core single-mode polymer optical fiber grating', IEEE Photonics Journal, vol. 8,

Sulong A; Gunawan TS; Khalifa OO; Kartiwi M; Ambikairajah E, 2016, 'Speech enhancement based on Wiener filter and compressive sensing', Indonesian Journal of Electrical Engineering and Computer Science, vol. 2, pp. 367 - 379,

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,

Bhowmik K; Peng GD; Luo Y; Ambikairajah E; Lovric V; Walsh WR; Rajan G, 2015, 'Experimental study and analysis of hydrostatic pressure sensitivity of polymer fibre Bragg gratings', Journal of Lightwave Technology, vol. 33, pp. 2456 - 2462,

Yap TF; Epps J; Ambikairajah E; Choi EHC, 2015, 'Voice source under cognitive load: Effects and classification', Speech Communication, vol. 72, pp. 74 - 95,

Bhowmik K; Peng GD; Ambikairajah E; Lovric V; Walsh WR; Prusty BG; Rajan G, 2015, 'Intrinsic high-sensitivity sensors based on etched single-mode polymer optical fibers', IEEE Photonics Technology Letters, vol. 27, pp. 604 - 607,

Rajan G; Ramakrishnan M; Semenova Y; Ambikairajah E; Farrell G; Peng G-D, 2014, 'Experimental Study and Analysis of a Polymer Fiber Bragg Grating Embedded in a Composite Material', Journal of Lightwave Technology, vol. 32, pp. 1726 - 1733,

Rajan G; Noor MYM; Ambikairajah E; Peng GD, 2014, 'Inscription of multiple bragg gratings in a single-mode polymer optical fiber using a single phase mask and its analysis', IEEE Sensors Journal, vol. 14, pp. 2384 - 2388,

Khing PP; Swanson BA; Ambikairajah E, 2013, 'The effect of automatic gain control structure and release time on cochlear implant speech intelligibility', PLoS ONE, vol. 8,

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,

Rajan G; Noor YM; Liu B; Ambikairaja E; Webb DJ; Peng GD, 2013, 'A fast response intrinsic humidity sensor based on an etched singlemode polymer fiber Bragg grating', Sensors and Actuators, A: Physical, vol. 203, pp. 107 - 111,

Rajan G; Noor MYM; Lovell NH; Ambikaizrajah E; Farrell G; Peng GD, 2013, 'Polymer micro-fiber Bragg grating', Optics Letters, vol. 38, pp. 3359 - 3362,

Aravind CV; Al-Atabi M; Ravishankar J; Malik A; Arkar ; Ambikairajah E, 2013, 'Eco-tourism sustainability through PV Technology: A comprehensive review', Journal of Engineering Science and Technology, vol. 8, pp. 654 - 669,

Ambikairajah E; Thiruvaran T; Eaton R, 2013, 'Enhancement of traditional mode of teaching based on the experience of project-based learning', 2013 IEEE 8th International Conference on Industrial and Information Systems, ICIIS 2013 - Conference Proceedings, pp. 665 - 670,

Rajan G; Liu B; Luo Y; Ambikairajah E; Peng G, 2013, 'High sensitivity force and pressure measurements using etched singlemode polymer fiber bragg gratings', IEEE Sensors Journal, vol. 13, pp. 1794 - 1800,

Yap ; Epps JR; Ambikairajah E; Choi E, 2011, 'Formant frequencies under cognitive load: Effects and classification', Eurasip journal on Advances in Signal Processing, vol. 2011, pp. Article number: 219253,

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,

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,

Li H; Narayanan S; Ling N; Ambikairajah E; Chen ZN, 2010, 'APSIPA ASC 2010 - Asia-Pacific Signal and Information Processing Association Annual Summit and Conference: Welcome Message', APSIPA ASC 2010 - Asia-Pacific Signal and Information Processing Association Annual Summit and Conference

Nosratighods MH; Ambikairajah E; Epps JR; Carey M, 2010, 'A Segment Selection Technique for Speaker Verification Speech Communication', Speech Communication, vol. 52, pp. 753 - 761,

Wang N; Redmond SJ; Ambikairajah E; Celler BG; Lovell NH, 2010, 'Can Triaxial Accelerometry Accurately Recognize Inclined Walking Terrains?', IEEE Transactions on Biomedical Engineering, vol. 57, pp. 2506 - 2516,

Gunawan TS; Ambikairajah E; Khalifa O, 2010, 'Forward masking threshold estimation using neural networks and its application to parallel speech enhancement', IIUM Engineering Journal, vol. 11, pp. 15 - 26,

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