Newcastle University

Roles and Responsibilities

Deputy Head of School 

Director of Teaching

Memberships

MIEEE, MIEE, CEng

Research Interests

VLSI Architectures for DSP Applications;
Biometric Aiuthentication;
Biomedical Image processing;
Video Coding;
Signal Processing Methodologies for Mobile Communications.

Current Work

Nonlinear Blind Source Separation
Biomedical Image Processing
Seismic Signal Processing
Speech Recognition and Synthesis
Biometrics Identification and Authentication
Video Coding
3D Image reconstruction

Esteem Indicators

Editorial Board of the IEE Proceedings - Circuits, Devices and Systems
Chairman and LOcal Organiser of the 4th International Symposium on Communications Systems, Networks and Digital Signal Processing (CSNDSP 2004)
Guest Editor IEE Proceedings – Circuits, Devices and Systems; Special issue on CSNDSP’04
Guest Editor of The Mediterranean Journals of Computers and Networks -special issue on Advances in Biometrics

Funding

Blind Deconvolution of Noisy Seismic Trace using Independent Component Analysis
Smart Card - DATES
Statistical Blind Separation

Projects

• Biometric Smart Cards
  Project Leader(s): Dr. S. Dlay, Dr. W.L. Woo
• Blind Deconvolution of Noisy Seismic Trace Using Independent Component Analysis
  Project Leader(s): Dr. S.S. Dlay, Dr. W.L. Woo
• Component Analysis
  Project Leader(s): Dr S. Sali, Dr W.L. Woo, Dr S. Dlay
• Construction of new algebraic-geometric and LDPC codes suitable for future data storage devices
  Project Leader(s): Prof. R. Carrasco, Dr S.S. Dlay
• DATES - Interoperable Smart Card/USB Stick
• Development of an Imaging System Based on Magnetic Resources.
• Statistical Blind Source Separation
  Project Leader(s): Dr S.S. Dlay, Dr W.L. Woo
• The novel dynamic supervised forward propagation neural network for handwritten character recognition
  Project Leader(s): Dr S. Dlay
• Very low bit-rate digital video coding
  Project Leader(s): Dr S. Dlay

Undergraduate Teaching

EEE209: Computer Engineering II
EEE404: Design of VLSI Systems

Postgraduate Teaching

EEE832: Design of VLSI Systems
EEE813: Computer Vision and Multimedia

• Gao B, Woo WL, Dlay SS. Adaptive Sparsity Non-negative Matrix Factorization for Single-Channel Source Separation. IEEE Journal of Selected Topics in Signal Processing 2011, 5(5), 989-1001.
• Soongsathitanon S, Dlay SS. A novel orthogonal logarithmic search algorithm for low bit rate video coding. In: Proceedings of SPIE: Image and Video Communications and Processing. 2003, Santa Clara, California, USA: International Society for Optical Engineering.
• Marghani KA, Dlay SS, Sharif BS, Sims AJ. Automated morphological analysis approach for classifying colorectal microscopic images. In: Proceedings of SPIE: Intelligent Robots and Computer Vision XXI: Algorithms, Techniques, and Active Vision. 2003, Providence, Rhode Island, USA: International Society for Optical Engineering.
• Marghani KA, Dlay SS, Sharif BS, Sims A. Morphological and texture features for cancers tissues microscopic images. In: Proceedings of SPIE: Medical Imaging 2003: Image Processing. 2003, San Diego, California, USA: International Society for Optical Engineering.
• Ashmila EM, Dlay SS, Hinton OR. Statistical probabilistic and multiple carry prediction approach for performance improvements for an estimated carry adder. In: Proceedings of the IASTED International Conference on Circuits, Signals, and Systems. 2003, Cancun, Mexico: IASTED.
• Purves SJ, Dlay SS. A novel approach to curvature estimation. Advances in Physics, Electronics and Signal Processing Applications 2000, 246-251.
• Scargall LD, Dlay SS. A novel method for updating vector quantised codebooks. In: Advances in Physics, Electronics and Signal Processing Applications. 2000, Athens, Greece: World Scientific Engineering Society.
• Shorrock S, Yannopoulos A, Dlay SS, Atkinson DJ. Biometric verification of computer users with probabilistic and cascade forward neural networks. In: Advances in Physics, Electronics and Signal Processing Applications. World Scientific and Engineering Society Press, 2000, pp.267-272.
• Scargall LD, Dlay SS. New methodology for adaptive vector quantisation. IEE Proceedings: Vision, Image and Signal Processing 2000, 147(6), 581-586.
• Gao B, Woo WL, Dlay SS. Single-Channel Source Separation Using EMD-Subband Variable Regularized Sparse Features. IEEE Transactions on Audio, Speech and Language Processing 2011, 19(4), 961-976.
• Wei C, Woo WL, Dlay SS. Nonlinear underdetermined blind signal separation using Bayesian neural network approach. Digital Signal Processing: A Review Journal 2007, 17(1), 50-68.
• Zhang J, Khor LC, Woo WL, Dlay SS. A Maximum Likelihood Approach to Nonlinear Convolutive Blind Source Separation. In: Independent Component Analysis and Blind Signal Separation. Berlin: Springer Berlin, 2006, pp.926-933.
• Nwoye E, Khor LC, Dlay SS, Woo WL. A Novel Fast Fuzzy Neural Network Backpropagation Algorithm for Colon Cancer Cell Image Discrimination. In: Third International Symposium on Neural Networks ISNN 2006. 2006, Chengdu, China: Springer.
• Mutelo RM, Khor LC, Woo WL, Dlay SS. A Novel Fisher Discriminant for Biometrics Recognition: 2DPCA plus 2DFLD. In: IEEE International Symposium on Circuits and Systems (ISCAS' 06). 2006, Island of Kos, Greece: IEEE.
• Gao P, Khor LC, Woo WL, Dlay SS. Blind source separation of nonlinearly constrained mixed sources using polynomial series reversion. In: ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings. 2006, Toulouse, France: IEEE.
• Al-Tarawneh MS, Khor LC, Woo WL, Dlay SS. Crypto key generation using contour graph algorithm. In: Proceedings of the Third IASTED International Conference on Signal Processing, Pattern Recognition, and Applications. 2006, Innsbruck, Austria: Acta Press.
• Nyowe E, Woo WL, Dlay SS. Image feature extraction for colorectal cancer diagnosis using fuzzy neural machine. In: Proceedings of SPIE in Medical Imaging. 2006, San Diego, California, USA.
• Wei C, Woo WL, Dlay SS, Khor LC. Maximum a posteriori-based approach to blind nonlinear underdetermined mixture. IEE Proceedings: Vision, Image and Signal Processing 2006, 153(4), 419-430.
• Gao P, Woo WL, Dlay SS. Non-linear independent component analysis using series reversion and Weierstrass network. IEE Proceedings: Vision, Image and Signal Processing 2006, 153(2), 115-131.
• Gao P, Woo WL, Dlay SS. Nonlinear signal separation for multinonlinearity constrained mixing model. IEEE Transactions on Neural Networks 2006, 17(3), 796-802.
• Wei C, Khor LC, Woo WL, Dlay SS. Post-nonlinear undercomplete blind signal separation: A Bayesian approach. In: ICASSP, 2006 IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings. 2006, Toulouse, France: IEEE.
• Wei C, Khor LC, Woo WL, Dlay SS. Post-Nonlinear Underdetermined ICA by Bayesian Statistics. In: Proceedings of the 6th International Conference on Independent Component Analysis and Blind Source Separation. 2006, South Carolina, USA.
• Mutelo RM, Khor LC, Woo WL, Dlay SS. Two Dimensional Reduction PCA: A Novel Approach for Feature Extraction, Representation and Recognition. In: Proceedings of 18th SPIE International Symposium on Electronic Imaging. 2006, San Jose, California, USA.
• Gao P, Khor LC, Woo WL, Dlay SS. Two-stage series-based neural network approach to nonlinear independent component analysis. In: Proceedings of the IEEE International Symposium on Circuits and Systems. 2006, Island of Kos, Greece: IEEE.
• Gao P, Woo WL, Dlay SS. Weierstrass approach to blind source separation of multiple nonlinearly mixed signals. In: 4th International Symposium on Communication Systems, Networks and DSP. 2006, Newcastle University: IEE Proceedings: Circuits, Devices and Systems, The Institution of Engineering and Technology.
• Mutelo RM, Woo WL, Dlay SS. 2DPCA plus LDA: A novel fisher discriminant framework for feature extraction and face recognition. WSEAS Transactions on Communications 2005, 4(12), 1364-1372.
• Mutelo RM, Woo WL, Dlay SS. A novel biometric feature extraction algorithm using two-dimensional Fisherface in 2DPCA subspace for face recognition. In: Proceedings of 5th International Conference on Signal, Speech and Image Processing (SSIP’ 05). 2005, Corfu Island, Greece.
• Woo WL, Dlay SS. A novel biometric fingerprint pressure deformation algorithm. In: Proceedings of 5th International Conference on Signal, Speech and Image Processing (SSIP’ 05). 2005, Corfu Island, Greece.
• Woo WL, Dlay SS. A novel fingerprint pressure deformation algorithm for biometric authentication. WSEAS Transactions on Communications 2005, 4(12), 1373-1380.
• Ashmila EM, Dlay SS, Hinton OR. Adder methodology and design using probabilistic multiple carry estimates. IEE Proceedings - Computers and Digital Techniques 2005, 152(6), 697-703.
• Dabbah MA, Woo WL, Dlay SS. Computation efficiency for core-based fingerprint recognition algorithm. WSEAS Transactions on Communications 2005, 4(12), 1356-1363.
• Dabbah MA, Woo WL, Dlay SS. Computationally efficient fingerprint algorithm for automatic recognition. In: Proceedings of 5th International Conference on Signal, Speech and Image Processing (SSIP’ 05). 2005, Corfu Island, Greece.
• Khor LC, Woo WL, Dlay SS. Fast convergence polynomial based separation algorithm. In: 8th International Symposium on Signal Processing and its Applications (ISSPA). 2005, Sydney, Australia: IEEE.
• Soongsathitanon S, Woo WL, Dlay SS. Fast search algorithms for video coding using orthogonal logarithmic search algorithm. IEEE Transactions on Consumer Electronics 2005, 51(2), 552-559.
• Woo WL, Dlay SS. Neural network approach to blind signal separation of mono-nonlinearly mixed sources. IEEE Transactions on Circuits and Systems I:Regular Papers 2005, 52(6), 1236-1247.
• Gao P, Woo WL, Dlay SS. Neural network approaches to nonlinear blind source separation. In: 8th International Symposium on Signal Processing and its Applications (ISSPA). 2005, Sydney, Australia: IEEE.
• Woo WL, Dlay SS. Nonlinear blind source separation using a hybrid RBF-FMLP network. IEE Proceedings: Vision, Image and Signal Processing 2005, 152(2), 173-183.
• Khor LC, Woo WL, Dlay SS. Non-sparse approach to underdetermined blind signal estimation. In: ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings. 2005, Philadelphia, Pennsylvania, USA: IEEE, Signal Processing Society.
• Khor LC, Woo WL, Purves S, Dlay SS, Hendersen J. Novel Statistical Approach to Blind Recovery of Earth Signals and Source Wavelet. In: 67th EAGE Conference & Exhibition. 2005, Madrid, Spain.
• Woo WL, Dlay SS. Regularised nonlinear blind signal separation using sparsely connected network. IEE Proceedings: Vision, Image and Signal Processing 2005, 152(1), 61-73.
• Wei C, Woo WL, Dlay SS. A FOCUSS-based algorithm for nonlinear overcomplete Independent Component Analysis. WSEAS Transactions on Information Science and Applications 2004, 1(6), 1688-1693.
• Chrisanthopoulos P, Woo WL, Dlay SS. A minutiae extraction fingerprint algorithm. In: Proceedings of 4th International Symposium on Communication Systems, Networks and Digital Signal Processing (CSNDSP). 2004, Newcastle upon Tyne, UK.
• Chrisanthopoulos P, Dlay SS, Woo WL. A minutiae extraction fingerprint algorithm. In: Communication Systems, Networks and Digital Signal Processing (CSNDSP). 2004, University of Northumbria, Newcastle upon Tyne, UK.
• Soongsathitanon S, Dlay SS. A novel fast search algorithm for MPEG standard. In: Communication Systems, Networks and Digital Signal Processing (CSNDSP). 2004, University of Northumbria, Newcastle upon Tyne, UK.
• Grey SR, Dlay SS, Leone BE, Cajone F, Sherbet GV. Artificial neural network assessment of the prognostic value of tumour promoter gene S100A4 and tumour suppressor gene nm23 in conjunction with tumour grade, tumour size and steroid receptor status of breast cancer. In: Communication Systems, Networks and Digital Signal Processing (CSNDSP). 2004, University of Northumbria, Newcastle upon Tyne, UK.
• Menon R, Woo WL, Dlay SS. Biometric User Authentication. In: Proceedings of 4th International Symposium on Communication Systems, Networks and Digital Signal Processing (CSNDSP). 2004, Newcastle upon Tyne, UK.
• Khor LC, Woo WL, Dlay SS. Blind source separation for overcomplete mixtures with noise. WSEAS Transactions on Circuits and Systems 2004, 3(9), 1883-1888.
• Nwoye E, Dlay SS, Woo WL. Classification of cancerous cells images using clustered fuzzy-neural machine techniques. In: Communication Systems, Networks and Digital Signal Processing (CSNDSP). 2004, University of Northumbria, Newcastle upon Tyne, UK.
• Nwoye E, Woo WL, Dlay SS. Fuzzy-neural machine with image feature extraction for colorectal cancer diagnosis. In: Fourth IASTED International Conference on Visualization, Imaging, and Image Processing. 2004, Marbella, Spain: ACTA Press.
• Meenakshisundaram S, Woo WL, Dlay SS. Generalization issues in multiclass classification - new framework using mixture of experts. WSEAS Transactions on Information Science and Applications 2004, 1(6), 1676-1681.
• Wei C, Woo WL, Dlay SS. Information theoretic approach to blind deconvolution under impulsive noise. In: Proceedings of 4th International Symposium on Communication Systems, Networks and Digital Signal Processing (CSNDSP). 2004, Newcastle upon Tyne, UK.
• Srinivasan M, Dlay SS, Woo WL. Interactive speech recognition systems using committee machines. In: Communication Systems, Networks and Digital Signal Processing (CSNDSP). 2004, University of Northumbria, Newcastle upon Tyne, UK.
• Meenakshisundaram S, Woo WL, Dlay SS. Interactive speech recognition systems using committee machines. In: Proceedings of 4th International Symposium on Communication Systems, Networks and Digital Signal Processing (CSNDSP). 2004, Newcastle upon Tyne, UK.
• Marghani K, Dlay S, Sharif B, Sims A. Morphological analyses of histological images using fractal. In: Communication Systems, Networks and Digital Signal Processing. CSNDSP 2004. Fourth International Symposium. Newcastle upon Tyne Univ. 2004. 2004, University of Northumbria, Newcastle upon Tyne, UK.
• Ashmila EM, Dlay SS, Hinton OR. Multiple carries prediction to enhance the performance of a 32-bit estimated carry adder. In: Communication Systems, Networks and Digital Signal Processing (CSNDSP). 2004, University of Northumbria, Newcastle upon Tyne, UK.
• Ashmila EM, Dlay SS, Hinton OR. Multiple carry asynchronous estimated adder. In: IASTED International Conference on Circuits, Signals, and Systems. 2004, Florida: IASTED.
• Gao P, Woo WL, Dlay SS. Nonlinear Independent Component Analysis using Generalised Polynomial Neural Network. WSEAS Transactions on Information Science and Applications 2004, 1(6), 1682-1684.
• Khor LC, Woo WL, Dlay SS. Signal separation of nonlinear mixtures using fuzzy-genetic algorithm. In: Communication Systems, Networks and Digital Signal Processing (CSNDSP). 2004, University of Northumbria, Newcastle upon Tyne, UK.
• Khor LC, Woo WL, Dlay SS. Signal separation of nonlinear mixtures using fuzzy-genetic algorithm. In: Proceedings of 4th International Symposium on Communication Systems, Networks and Digital Signal Processing (CSNDSP). 2004, Newcastle upon Tyne, UK.
• Nwoye E, Woo WL, Dlay SS. Texture features for cancerous cell image classification using fuzzy neural technique. In: Proceedings of 4th International Symposium on Communication Systems, Networks and Digital Signal Processing (CSNDSP). 2004, Newcastle upon Tyne, UK.
• Gao P, Woo WL, Dlay SS. Weierstrass approach to nonlinear blind signal separation. In: Proceedings of 4th International Symposium on Communication Systems, Networks and Digital Signal Processing (CSNDSP). 2004, Newcastle upon Tyne, UK.
• Gao P, Woo WL, Dlay SS. Weierstrass approach to nonlinear blind signal separation. In: Communication Systems, Networks and Digital Signal Processing (CSNDSP). 2004, University of Northumbria, Newcastle upon Tyne, UK.
• Smith D, Leach M, Dlay SS, Woo WL. A novel technique for the determination of the radiation patterns of medium gain antennas from scalar intensity measurements. In: 6th International Symposium on Antennas, Propagation and EM Theory (ISAPE 2003). 2003, Beijing, China: IEEE.
• Soongsathitanon S, Dlay SS. Block-based motion estimation using a novel orthogonal logarithmic search algorithm. In: International Conference on Visual Information Engineering (VIE). 2003, Guildford, UK: IEEE.
• Nwoye E, Dlay SS, Woo WL, Marghani KA. Clustered fuzzy-neural machine for classification of cancerous cells. WSEAS Transactions on Systems 2003, 2(3), 655-659.
• Sherbet GV, Andronas M, Dlay SS. Oestrogen and progesterone receptor expression influences DNA ploidy and the proliferation potential of breast cancer cells. Anticancer Research 2003, 23(3C), 3029-3039.
• Andronas M, Dlay SS, Sherbet GV. Oestrogen and progesterone receptor expression influences DNA ploidy and the proliferation potential of breast cancer cells. Anticancer Research 2003, 23(3 C), 3029-3039.
• Grey SR, Dlay SS, Leone BE, Cajone F, Sherbet GV. Prediction of nodal spread of breast cancer by using artificial neural network-based analyses of S100A4, nm23 and steroid receptor expression. Clinical and Experimental Metastasis 2003, 20(6), 507-514.
• Meenakshisundaram S, Woo WL, Dlay SS. Radius Basis Functions for Natural Conversation with artificial heads. WSEAS Transactions on Systems 2003, 2(3), 688-693.
• Woo WL, Dlay SS. Robust nonlinear signal separation using regularised maximum likelihood neural network. WSEAS Transactions on Systems 2003, 2(3), 675-680.
• Morns IP, Dlay SS. The DSFPN: A New Neural Network and Circuit Simulation for Optical Character Recognition. IEEE Transactions on Signal Processing 2003, 51(12), 3198-3209.
• Grey SR, Dlay SS, Sherbet GV. The role of artificial neural networks and fuzzy systems in disease assessment and patient management. JECQuaL 2003, 1(4), 321-334.
• Soongsathitanon S, Dlay SS. A new orthogonal logarithmic search algorithm for fixed block-based motion estimation for video coding. In: Third International Symposium on Communication Systems Networks and Digital Signal Processing. 2002, Press Learning Centre, Sheffield Hallam University.
• Wallace WF, Dlay SS, Hinton OR. Probabilistic carry state estimate for improved asynchronous adder performance. IEE Proceedings: Computers and Digital Techniques 2001, 148(6), 221-226.
• Morns IP, Dlay SS. The DSFPN, a new neural network for optical character recognition. IEEE Transactions on Neural Networks 1999, 10(6), 1465-1473.
• Subramaniam K, Dlay SS, Rind FC. Vehicle detection and tracking using wavelet transforms. In: Computers and Computational Engineering in control. Singapore: World Scientific and Engineering Society Press, 1999, pp.335-340.
• C.M. Jones,S.S. Dlay,R.N.G. Naguib. Berger check prediction for concurrent error detection in the Braun array multiplier. Microelectronics Journal, 27, No 8, 745-755 1996.
• Rafiee G, Dlay SS, Woo WL. Region-of-Interest Extraction in Low Depth of Field Images Using Ensemble Clustering and Difference of Gaussian Approaches. Pattern Recognition 2013, 46(10), 2685-2699.
• Tengtrairat N, Gao B, Woo WL, Dlay SS. Single Channel Blind Separation using Pseudo-Stereo Mixture and Complex 2D Histogram. IEEE Transactions on Neural Networks and Learning Systems 2013. In Press.
• Lu XY, Gao B, Khor LC, Woo WL, Dlay SS, Ling WK, Chin CS. Single Channel Source Separation Using Filterbank and 2D Sparse Matrix Factorization. Journal of Signal and Information Processing 2013, 4(2), 186-196.
• Gao B, Woo WL, Dlay SS. Unsupervised Single-Channel Separation of Nonstationary Signals Using Gammatone Filterbank and Itakura–Saito Nonnegative Matrix Two-Dimensional Factorizations. IEEE Transactions on Circuits and Systems I 2013, 60(3), 662-675.
• Gao B, Woo WL, Dlay SS. Variational Regularized 2-D Nonnegative Matrix Factorization. IEEE Transactions on Neural Networks and Learning Systems 2012, 23(5), 703-716.
• Mojarad S, Dlay SS, Woo WL, Sherbet GV. Cross Validation Evaluation for Breast Cancer Prediction Using Multilayer Perceptron Neural Networks. American Journal of Engineering and Applied Sciences 2011, 4(4), 576-585.
• Ahmad SW, Chen Y, Kosmas P, Woo WL, Dlay SS. Feasibility study of tumor size classification via contrast-enhanced UWB breast imaging – A complex-domain analysis (Invited Paper). In: The XXX General Assembly and Scientific Symposium of the International Union of Radio Science (URSI GASS 2011). 2011, Istanbul, Turkey.
• Morns IP, Dlay SS. Handwritten Character Recognition. IEEE Transactions on Signal Processing 2001.
• Subramaniam K, Shukla S, Dlay SS, Rind FC. Looming motion segmentation in vehicle tracking system using wavelet transforms. In: Mastorakis, N.E, ed. Advances in Physics, Electronics and Signal processing applications. World Scientific Engineering Society, 2000, pp.252-257.
• Purves SJ, Dlay SS. Near-Gabor filter banks for feature detection and curvature estimation. In: Proceedings of SPIE - The International Society for Optical Engineering. 2000, San Jose, USA: The International Society for Optical Engineering.
• Morns IP, Dlay SS. Analog design of a new neural network for optical character recognition. IEEE Transactions on Neural Networks 1999, 10(4), 951-953.
• Scargall Lee David, Dlay Satnam Singh. Comparison of vector quantized video codecs. In: Proceedings of SPIE - The International Society for Optical Engineering. 1999, Boston MA: S P I E - International Society for Optical Engineering.
• Khalifa OO, Dlay SS. Fractal wavelets image data compression. Advances in Intelligent Systems and Computer Science 1999, 85-88.
• Khalifa Othman O, Dlay Satnam S. Medical image lossless compression for transmission of cross-limited bandwidth channels. In: Medical Imaging 1999: PACS Design and Evaluation: Engineering and Clinical Issues. 1999, San Diego, CA: Society of Photo-Optical Instrumentation Engineers.
• Subramaniam K, Dlay SS, Rind FC. Vehicle detection and tracking using wavelet transforms. In: N.E. Mastorakis, ed. Computers and Computational Engineering in Control. World Scientific, 1999, pp.335-340.
• Scargall L, Dlay S. Very low bit-rate digital video coding. Advances in Intelligent Systems and Computer Science 1999, 273-279.
• Scargall LD, Dlay SS. Very low bit-rate vector-quantized video codecs. In: Visual Communications and Image Processing '99. 1999, San Jose, CA.
• Subramaniam K, Dlay SS, Rind FC. Wavelet transforms for use in motion detection and tracking application. In: 7th International Conference on Image Processing and its Applications. 1999, Manchester: IEEE.