By Professor Eliathamby Ambikairajah

Journal articles

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

Le NP; Ambikairajah E; Epps JR; Sethu V; Choi E, 2011, 'Investigation of spectral centroid features for cognitive load classification', Speech Communication, 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, 11, pp. 82 - 108, http://dx.doi.org/10.1109/MCAS.2011.941081

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, 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, 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, 11, pp. 15 - 26, http://dx.doi.org/10.31436/iiumej.v11i1.41

Yin B; Ambikairajah E; Chen F, 2010, 'Language-dependent contribution measuring and weighting for combining likelihood scores in language identification systems', Journal of Signal Processing Systems, 59, pp. 201 - 210

Ambikairajah E; Epps JR; Gunawan TS, 2010, 'Perceptual Speech Enhancement Exploiting Temporal Masking Properties of Human Auditory System', Speech Communication, 52, pp. 381 - 393

Wang L; Ambikairajah E; Choi EHC, 2009, 'Robust language identification based on fused phonotactic information with MLKSFM pre-classifier', Proceedings - 2009 IEEE International Conference on Multimedia and Expo, ICME 2009, pp. 121 - 124, http://dx.doi.org/10.1109/ICME.2009.5202451

Thiruvaran T; Nosratighods MH; Ambikairajah E; Epps JR, 2009, 'Computationally efficient frame-averaged FM feature extraction for speaker recognition', Electronics Letters, 45, pp. 335 - 337

Maunder D; Ambikairajah E; Epps J; Celler B, 2008, 'Dual-microphone Sounds of Daily Life classification for telemonitoring in a noisy environment.', Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Conference, pp. 4636 - 4639

Gunawan TS; Epps JR; Ambikairajah E, 2008, 'Boosting approach to exon detection in DNA sequences', Electronics Letters, 44, pp. 323 - 324, http://dx.doi.org/10.1049/el:20082343

Thiruvaran T; Ambikairajah E; Epps JR, 2008, 'Extraction of FM components from speech signals using all-pole model', Electronics Letters, 44, pp. 449 - 450, http://dx.doi.org/10.1049/el:20080147

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, pp. 78092 - 78099

Akhtar M; Epps JR; Ambikairajah E, 2008, 'Signal processing in sequence analysis: Advances in Eukaryotic Gene Prediction', IEEE Journal of Selected Topics in Signal Processing, 2, pp. 310 - 321

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

Ambikairajah E; Epps JR; Thiruvaran T, 2007, 'Robust FM demodulation of discrete-time signals using least squares differential ratio', Electronics Letters, 43, pp. 727 - 729

Ambikairajah E; Epps JR; Sheng M; Celler BG, 2007, 'Tablet PC and electronic whiteboard use in signal processing education', IEEE Signal Processing Magazine, 24, pp. 130 - 133

Li XJ; Rizos C; Ge L; Ambikairajah E, 2006, 'Application of 3D Time-frequency Analysis in Monitoring Full-scale Structural Response', Journal of Geospatial Engineering, 8, pp. 41 - 51

Allen FR; Ambikairajah E; Lovell NH; Celler BG, 2006, 'Classification of a known sequence of motions and postures from accelerometry data using adapted Gaussian mixture models', Physiological Measurement, 27, pp. 935 - 951

Li XJ; Ge L; Ambikairajah E; Rizos C, 2006, 'Full-scale structural monitoring using an integrated GPS and accelerometer system', GPS Solutions, 10, pp. 233 - 247

Li XJ; Ge L; Ambikairajah E; Rizos C; Tamura Y, 2005, 'Analysis of Seismic Response of a Tall Tower Monitored with an Integrated GPS and Accelerometer System', Journal of Geospatial Engineering, 7, pp. 30 - 38

Ambikairajah E, 2003, 'Adaptive noise estimation algorithm for speech enhancement', Electronics Letters, 39, pp. 754 - 755

Banciu MG; Ambikairajah E; Ramer R, 2002, 'Microstrip filter design using FDTD and neural networks', Microwave and Optical Technology Letters, 34, pp. 219 - 224, http://dx.doi.org/10.1002/mop.10422

Lin LL; Holmes WH; Ambikairajah E, 2002, 'Speech denoising using perceptual modification of wiener filtering', Electronics Letters, 38, pp. 1486 - 1487

Ambikairajah E; Davis AG; Wong WTK, 1997, 'Auditory masking and MPEG-1 audio compression', Electronics and Communication Engineering Journal, 9, pp. 165 - 174, http://dx.doi.org/10.1049/ecej:19970403

Ambikairajah E; Keane M; Kelly A; Kilmartin L; Tattersall G, 1993, 'Predictive models for speaker verification', Speech Communication, 13, pp. 417 - 425, http://dx.doi.org/10.1016/0167-6393(93)90040-R

Ambikairajah E; Black ND; Linggard R, 1989, 'Digital filter simulation of the basilar membrane', Computer Speech and Language, 3, pp. 105 - 118, http://dx.doi.org/10.1016/0885-2308(89)90024-7

Ambikairajah E; Carey MJ, 1983, 'The time-domain periodogram algorithm', Signal Processing, 5, pp. 491 - 513, http://dx.doi.org/10.1016/0165-1684(83)90081-6

Ambikairajah E; Carey MJ; Tattersall G, 1980, 'Estimating the pitch period of voiced speech', Electronics Letters, 16, pp. 464 - 466, http://dx.doi.org/10.1049/el:19800327

Ambikairajah E; Carey MJ, 1980, 'Technique for performing multiplication on a 16-bit microprocessor using an extension of booth's algorithm', Electronics Letters, 16, pp. 53 - 54, http://dx.doi.org/10.1049/el:19800040

Conference Papers

Zhang Q; Ge M; Zhu H; Ambikairajah E; Song Q; Ni Z; Li H, 2024, 'An Empirical Study on the Impact of Positional Encoding in Transformer-Based Monaural Speech Enhancement', in ICASSP 2024 - 2024 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), IEEE, presented at ICASSP 2024 - 2024 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), 14 April 2024 - 19 April 2024, http://dx.doi.org/10.1109/icassp48485.2024.10446337

Wang H; Sharma A; Mishra D; Seneviratne A; Ambikairajah E, 2023, 'Keystroke Recognition using WiFi Sensing: An Empirical Study on Robustness', in 2023 IEEE Globecom Workshops (GC Wkshps), IEEE, presented at 2023 IEEE Globecom Workshops (GC Wkshps), 04 December 2023 - 08 December 2023, http://dx.doi.org/10.1109/gcwkshps58843.2023.10464769

Wu J; Dang T; Sethu V; Ambikairajah E, 2023, 'Belief Mismatch Coefficient (BMC): A Novel Interpretable Measure of Prediction Accuracy for Ambiguous Emotion States', in 2023 11th International Conference on Affective Computing and Intelligent Interaction, ACII 2023, http://dx.doi.org/10.1109/ACII59096.2023.10388210

Dang T; Dimitriadis A; Wu J; Sethu V; Ambikairajah E, 2023, 'Constrained Dynamical Neural ODE for Time Series Modelling: A Case Study on Continuous Emotion Prediction', in ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings, http://dx.doi.org/10.1109/ICASSP49357.2023.10095778

Wu J; Dang T; Sethu V; Ambikairajah E, 2023, 'From Interval to Ordinal: A HMM based Approach for Emotion Label Conversion', in Proceedings of the Annual Conference of the International Speech Communication Association, INTERSPEECH, pp. 1843 - 1847, http://dx.doi.org/10.21437/Interspeech.2023-2213

Meng H; Sethu V; Ambikairajah E, 2023, 'What is Learnt by the LEArnable Front-end (LEAF)? Adapting Per-Channel Energy Normalisation (PCEN) to Noisy Conditions', in Proceedings of the Annual Conference of the International Speech Communication Association, INTERSPEECH, pp. 2898 - 2902, http://dx.doi.org/10.21437/Interspeech.2023-1617

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, pp. 8567 - 8571, http://dx.doi.org/10.1109/ICASSP43922.2022.9746350

Ambikairajah E; Atakaramians S; Seneviratne A, 2022, 'Teaching Engineering Students Equity, Diversity and Inclusion (EDI)', in Proceedings - 2022 IEEE International Conference on Teaching, Assessment and Learning for Engineering, TALE 2022, pp. 190 - 195, http://dx.doi.org/10.1109/TALE54877.2022.00038

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