By Professor Eliathamby Ambikairajah

Journal articles

Bose D; Sethu V; Ambikairajah E, 2024, 'Continuous Emotion Ambiguity Prediction: Modeling with Beta Distributions', IEEE Transactions on Affective Computing, http://dx.doi.org/10.1109/TAFFC.2024.3367371

Wickramasinghe B; Ambikairajah E; Sethu V; Epps J; Li H; Dang T, 2023, 'DNN controlled adaptive front-end for replay attack detection systems', Speech Communication, 154, http://dx.doi.org/10.1016/j.specom.2023.102973

Wu J; Dang T; Sethu V; Ambikairajah E, 2023, 'A Novel Markovian Framework for Integrating Absolute and Relative Ordinal Emotion Information', IEEE Transactions on Affective Computing, 14, pp. 2089 - 2101, http://dx.doi.org/10.1109/TAFFC.2022.3159782

Zhang Q; Qian X; Ni Z; Nicolson A; Ambikairajah E; Li H, 2023, 'A Time-Frequency Attention Module for Neural Speech Enhancement', IEEE/ACM Transactions on Audio Speech and Language Processing, 31, pp. 462 - 475, http://dx.doi.org/10.1109/TASLP.2022.3225649

Jayawardena S; Epps J; Ambikairajah E, 2023, 'Ordinal Logistic Regression With Partial Proportional Odds for Depression Prediction', IEEE Transactions on Affective Computing, 14, pp. 563 - 577, http://dx.doi.org/10.1109/TAFFC.2020.3031300

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, 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, 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, 38, pp. 133 - 143, http://dx.doi.org/10.1109/msp.2021.3057855

Arunan A; Sirojan T; Ravishankar J; Ambikairajah E, 2021, 'Real-Time Adaptive Differential Feature-Based Protection Scheme for Isolated Microgrids Using Edge Computing', IEEE Systems Journal, 15, pp. 1318 - 1328, http://dx.doi.org/10.1109/JSYST.2020.2986577

Wani TM; Gunawan TS; Qadri SAA; Kartiwi M; Ambikairajah E, 2021, 'A Comprehensive Review of Speech Emotion Recognition Systems', IEEE Access, 9, pp. 47795 - 47814, http://dx.doi.org/10.1109/ACCESS.2021.3068045

Ambikairajah A; Ambikairajah R; Ambikairajah E, 2021, 'The impact of improving feelings of relatedness on motivation and engagement for tertiary students', International Journal of Mathematical Education in Science and Technology, 52, pp. 721 - 730, http://dx.doi.org/10.1080/0020739X.2019.1703149

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, 69, pp. 3631 - 3641, http://dx.doi.org/10.1109/TIM.2019.2937074

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, 9, http://dx.doi.org/10.1017/ATSIP.2020.9

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, 167, http://dx.doi.org/10.1016/j.sigpro.2019.107294

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, 13, http://dx.doi.org/10.3389/fnins.2019.01420

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, 2019, pp. 208 - 211, http://dx.doi.org/10.1109/EMBC.2019.8857920

Arunan A; Ravishankar J; Ambikairajah E, 2019, 'Improved disturbance detection and load shedding technique for low voltage islanded microgrids', IET Generation, Transmission and Distribution, 13, pp. 2102 - 2111, http://dx.doi.org/10.1049/iet-gtd.2018.5707

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, 7, pp. 45831 - 45840, http://dx.doi.org/10.1109/ACCESS.2019.2909267

Ma J; Sethu V; Ambikairajah E; Lee KA, 2018, 'Generalized variability model for speaker verification', IEEE Signal Processing Letters, 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

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, 12, pp. 764 - 769, http://dx.doi.org/10.1049/iet-smt.2017.0305

Celler BG; Argha A; Le PN; Ambikairajah E, 2018, 'Novel methods of testing and calibration of oscillometric blood pressure monitors', PLoS ONE, 13, pp. e0201123, http://dx.doi.org/10.1371/journal.pone.0201123

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

Ravishankar J; Epps J; Ambikairajah E, 2018, 'A flipped mode teaching approach for large and advanced electrical engineering courses', European Journal of Engineering Education, 43, pp. 413 - 426, http://dx.doi.org/10.1080/03043797.2017.1383974

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

Tharmakulasingam S; Lu S; Phung BT; Zhang D; Ambikairajah E, 2018, 'Sustainable Deep Learning at Grid Edge for Real-time High Impedance Fault Detection', IEEE Transactions on Sustainable Computing, pp. 1 - 1, http://dx.doi.org/10.1109/tsusc.2018.2879960

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, 11, pp. 632 - 643, http://dx.doi.org/10.1109/JSTSP.2016.2647202

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, 38, pp. 1006 - 1022, http://dx.doi.org/10.1088/1361-6579/aa6b7e

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

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, 24, pp. 349 - 358, http://dx.doi.org/10.1109/TDEI.2016.006139

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, 10, pp. 2990 - 2998, http://dx.doi.org/10.1049/iet-gtd.2016.0021

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, 2, pp. 367 - 379, http://dx.doi.org/10.11591/ijeecs.v2.i2.pp367-379

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, 16, pp. 2453 - 2459, http://dx.doi.org/10.1109/JSEN.2016.2519531

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, 8, pp. 1 - 9, http://dx.doi.org/10.1109/JPHOT.2016.2524210

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

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, 33, pp. 2456 - 2462, http://dx.doi.org/10.1109/JLT.2014.2386346

Yap TF; Epps J; Ambikairajah E; Choi EHC, 2015, 'Voice source under cognitive load: Effects and classification', Speech Communication, 72, pp. 74 - 95, http://dx.doi.org/10.1016/j.specom.2015.05.007

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, 27, pp. 604 - 607, http://dx.doi.org/10.1109/LPT.2014.2385875

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, 32, pp. 1726 - 1733, http://dx.doi.org/10.1109/JLT.2014.2311441

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, 14, pp. 2384 - 2388, http://dx.doi.org/10.1109/JSEN.2014.2311121

Khing PP; Swanson BA; Ambikairajah E, 2013, 'The effect of automatic gain control structure and release time on cochlear implant speech intelligibility', PLoS ONE, 8, http://dx.doi.org/10.1371/journal.pone.0082263

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, 2013, http://dx.doi.org/10.1186/1687-4722-2013-19

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, 203, pp. 107 - 111, http://dx.doi.org/10.1016/j.sna.2013.08.036

Rajan G; Noor MYM; Lovell NH; Ambikaizrajah E; Farrell G; Peng GD, 2013, 'Polymer micro-fiber Bragg grating', Optics Letters, 38, pp. 3359 - 3362, http://dx.doi.org/10.1364/OL.38.003359

Zhang D; Ambikairajah E; Niu H, 2013, 'Application of Windowed-sinc Band-pass Filter to Accurate and Fast Calculation of Impedance for Digital Distance Relaying', International Journal of Signal Processing Systems, pp. 250 - 255, http://dx.doi.org/10.12720/ijsps.1.2.250-255

Zhang D; Ambikairajah E, 2013, 'Design of Grid Connected Three-phase Inverter with Series Resonant Filter and Reduced Control over Synchronization and Real and Reactive Power Injection', International Journal of Electrical Energy, 1, pp. 12 - 17, http://dx.doi.org/10.12720/ijoee.1.1.12-17

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, 8, pp. 654 - 669, http://www.scopus.com/inward/record.url?eid=2-s2.0-84890259493&partnerID=40&md5=cb172db208050341737a5c59bc53c215

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, http://dx.doi.org/10.1109/ICIInfS.2013.6732064

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, 13, pp. 1794 - 1800, http://dx.doi.org/10.1109/JSEN.2013.2242883

Yap ; Epps JR; Ambikairajah E; Choi E, 2011, 'Formant frequencies under cognitive load: Effects and classification', Eurasip journal on Advances in Signal Processing, 2011, pp. Article number: 219253, http://dx.doi.org/10.1155/2011/219253

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