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Contact InformationPhone:Fax: 353 91 494511 Location: Hygeia Building Email: liam.kilmartin nuigalway.ie |
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Speech and Audio Processing, Fixed and Mobile Network Modelling, Bio-signal processing, Application of Machine Learning Algorithms
Liam Kilmartin received his BE (Electronic Engineering) degree in 1990 and his MEngSc degree in 1994, both from NUI, Galway. He joined the academic staff of the department in 1992 as a temporary teaching appointment before and he was appointed to a permanent position in 1994 specialising in the fields of fixed and mobile communication systems. His current research interests focus on the application of signal processing and machine learning techniques in a variety of domains. These include speech, audio and image processing, mobile and fixed network modelling, signal processing and classification algorithms for EEG analysis with specific interest in Brain Computer Interface applications, image processing for biomedical imaging modalities and the application of signal processing to bio-signal analysis in general. He has supervised students to both masters and PhD awards in these areas, funded through IRCSET scholarships and competitive external funding which he has individually attracted, and he has a significant number of publications in international journals and peer reviewed conference proceedings.
Journal
M.K. Ranganathan, L. Kilmartin, " Neural and Fuzzy Computation Techniques for Playout Delay Adaptation in VoIP Networks", IEEE Transactions on Neural Networks, vol. 16, No. 5, pp. 1174 -1194, September 2005.
M.K. Ranganathan, L. Kilmartin, " Performance Analysis of Secure Session Initiation Protocol Based VoIP Networks", Computer Communications, vol. 26, No. 6, pp. 552-565, April 2003.
E. Ambikairajah, M. Keane, A. Kelly, L. Kilmartin, G. Tattersall, "Predictive Models for Speaker Verification", Speech Communication, vol. 13, pp. 417-425, 1993.
Conference
L. Kilmartin, L. Hartley, "Terminal Based Monitoring of Voice Call Quality in Mobile Networks", Measurement of Speech and Audio Quality in Networks Conference (MESAQIN), Prague, Czech Republic, June 2006.
L. Kilmartin, M.K. Ranganathan, "Perceptual based Analysis of the Concord Algorithms for Intra-Talkspurt Playout Delay Adaptation", Irish Signals and Systems Conference (ISSC'04), Queens University Belfast, Northern Ireland, June 2004.
B. Springer, L. Kilmartin, "Performance of the Internet Key Exchange Protocol for Securing VoIP Networks", Irish Post-graduate Telecommunications Symposium, Dublin, October 2003.
B. Springer, L. Kilmartin, "Comparison of the Performance of IKE Protocols in a Secure VoIP Network ", Irish Techology and Telecommunications Conference, Letterkenny IT, September 2003.
B. Springer, L. Kilmartin, "Performance Evaluation of the Internet Key Exchange Protocol under Dynamic VoIP Network Conditions", Irish Signals and Systems Conference (ISSC'03), University of Limerick, June 2003.
L. Kilmartin, W. Wei, "A Pitch Synchronous Auditory Domain Analysis Technique For Non-Intrusive Automated Speech Distortion Identification", Measurement of Speech and Audio Quailty in Networks Conference (MESAQIN), Prague, Czech Republic, June 2003.
L. Kilmartin, M.K. Ranganathan, "On the use of Neural Network based Estimation Techniques for Playout Delay Adaptation in VoIP Networks", International Conference on Computational Intelligence for Modelling, Control and Automation (CIMCA), Vienna, Austria, May 2003.
W. Wei, L. Kilmartin, "A Pitch Analysis Technique for Automated Speech Distortion Identification in VoIP Networks", IEEE Signal Processing Workshop, Georgia, USA, pp. 47-52, October 2002.
L. Kilmartin, W. Wei, "Segmental Optimisation of Automated Pitch Labelling for Distorted Speech Signals", Irish Signals and Systems Conference (ISSC'02), University of Limerick, June 2002.
M.K. Ranganathan, L. Kilmartin, "Investigations into the Impact of Key Exchange Mechanisms for Security Protocols in VoIP Networks", Irish Post-Graduate Telecommunications Symposium, October 2001.
L. Kilmartin, M. K. Ranganathan, "Investigations into the Impact of Security Protocols in Session Initiation Protocol (SIP) Based VoIP Networks", Irish Signals and Systems Conference (ISSC'01), NUI Maynooth, June 2001.
E. Ambikairajah, J. Epps, L. Kilmartin, F. O’Malley, "Pitch and Voicing Estimation of Speech using an Auditory Domain Time-Frequency Analysis", Irish Signals and Systems Conference (ISSC'01), NUI Maynooth, pp. 368-374, June 2001.
E. Ambikairajah, J. Epps, L. Kilmartin, "Auditory Domain-Based Time-frequency Parameterisation for speech and audio coding Irish Signals and Systems Conference (ISSC'01), NUI Maynooth, pp. 358-364. June 2001.
P. McCurry, F. Morgan, L. Kilmartin, "Xilinx FPGA Implementation of a Pixel Processor for Object Detection Applications", Irish Signals and Systems Conference (ISSC'01), NUI Maynooth, pp. 404-411, June 2001.
P. McCurry, F. Morgan, L. Kilmartin, "Xilinx FPGA Implementation of an Image Classifier for Object Detection Applications", International Conference on Image Processing (ICIP), Thessaloniki, Greece, pp.346-349, June 2001.
L. Kilmartin, "A TMS320C44 Multi-processor based object Identification and Tracking System for Automated Score Detection in Ball Sports", Texas Instruments European DSP Conference, Paris, France, September 2000.
L. Kilmartin, "An Introductory Real Time DSP Design and Development Course Based on the TMS320C5402 DSK", Texas Instruments European DSP Conference, Paris, France, September 2000.
L. Kilmartin, E. Ambikairajah, "Digital Signal Processing Education in Ireland and Australia", IEEE DSP and Signal Processing Education Workshops, Texas, USA, October 2000.
F. O'Malley, E. Ambikairajah, L. Kilmartin, "Wavelet Packet based Speech Enhancement," Irish Signals and Systems Conference (ISSC'99), NUI Galway, pp.93-100. June 1999.
L. Kilmartin, M. O Conghaile, "Real Time Image Processing Object Detection and Tracking Algorithms", Irish Signals and Systems Conference (ISSC'99), Galway, June 1999.
L. Kilmartin, D. Friel, "New Applications of the Non-Voice GSM Services", Irish Signals and Systems Conference (ISSC'98), Dublin Institute of Technology, June 1998.
D. Friel, L. Kilmartin, "An Automated Stock Price Delivery System Based on the GSM Short Message Service", IEEE International Conference on Communications (ICC 98), Atlanta, USA, June 1998.
L. Kilmartin, D. Friel, "Real Time Stock Price Distribution Utilising the GSM Short Messaging Service", IEEE International Conference on Personal Wireless Communications, December 1997.
E. Dooley, L. Kilmartin, "Low Complexity Speech Processing Algorithms for Real Time Implementation on Embedded Digital Signal Processors", DSP UK COnference, London, United Kingdom, November 1997.
L. Kilmartin, E. Dooley, "Demonstration Platform for Telephony Based Speech Processing Applications", Irish DSP and Control Conference 1997, Magee College, University of Ulster, Derry, June 1997.
E. Ambikairajah, O. Friel, Kilmartin, L. "Design and Development of a Multi-rate Cochlear Model for Speech Recognition Systems," Irish DSP and Control Colloquium (IDSPCC’94), Dublin City University, pp. 3-10, July 1994.
E. Ambikairajah, M. Keane, L. Kilmartin, G.D. Tattersall, "The Application of the Wavelet Transform for Speech Processing", 3rd European Conference on Speech Communication and Technology (Eurospeech’93), Berlin, Germany, pp.151-154, September 1993.
L. Kilmartin, Ambikairajah, E. "A Hybrid MLP-RBF Based Speaker Verification System" 4th Australian International Conference on Speech Science and Technology (SST’92), Brisbane, Australia, pp.73-78, November/December 1992.
L. Kilmartin, E. Ambikairajah, S.M. Lavelle, "A Neural Network Based Diagnostic Tool for Liver Disorders", 2nd Irish Neural Networks Conference, Queen’s University of Belfast, June 1992.
E. Ambikairajah, L. Kilmartin, "An Adaptive Cochlear Model for Speech Recognition", European Conference on Speech Communication and Technology (Eurospeech’91), Genova, Italy, pp. 1331-1334, September 1991.
L. Kilmartin, E. Ambikairajah, S.M. Lavelle, "Application of Neural Networks in Medical Diagnosis", Irish Neural Networks Conference, Queens University of Belfast, June 1991.
L. Kilmartin, E. Ambikairajah, S.M. Lavelle, "Neural Network Approach in Medical Science", Euricterus (European) Workshop, University College Galway, April 1991.
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