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Professor Mahesan Niranjan

Academic Staff

Personal homepage

I joined the University of Southampton in February 2008 as a professor in the School of Electronics and Computer Science and served as Head of the Information: Signals, Images and Systems (ISIS) research group. This is the only research group I know of which has a colon (':') in its name, which must be something special, but I could never figure out what it was.

The group has now been absorbed into the Communications, Signal Processing and Control research group, of which I am a harmless member.

Prior to joining Southampton, I have worked for the University of Cambridge as a Lecturer in Information Engineering (1990-1998), and the University of Sheffield as Professor of Computer Science (1999-2007). At Sheffield I also served as Head of Computer Science (Feb 2002 - Aug 2004) and Dean of Engineering (Aug 2006 - Jan 2008). I have fun memories from these periods of what now feels like 'extended maternity leave': Presentation to senior management, self-evaluation, and presentation to Faculty Board of Engineering.

Here are slides of an introduction at Friday lunch staff meeting, and a talk about league tables.

Here is a recent one about the stochastic nature of winning research grants.

Here is a recent talk to the ISIS PostGrad Conference on "Why I supervise PhD students?"

Here you can find some amateur pieces relating to Sri Lankan politics, of which I am particularly pleased with this poem.

Research

Professional

Qualifications

BSc (Peradeniya, Sri Lanka), MEE (Eindhoven, The Netherlands), PhD (Cambridge, England)

Duties

Chair of Staff Student Liaison Committee of the School of Electronics and Computer Science;

Faculty elected member of University Senate;

Senate nominated member of University Council

Publications

Ramanan, Amirthalingam and Niranjan, Mahesan (2010) A One-pass Resource-Allocating Codebook for Patch-based Visual Object Recognition. In, IEEE Workshop on Machine Learning for Signal Processing, Kittilä, Finland, 29 Aug - 01 Sep 2010. IEEE Press.

Camargo, Renata and Niranjan, Mahesan (2008) Mining Protein Database using Machine Learning Techniques. Journal of Integrative Bioinformatics, 5, (2), 1-10.

Suwannaroj, Sujimarn and Niranjan, Mahesan (2008) Enhancing Automatic Construction of Gene Subnetworks by Integrating Multiple Sources of Information. Journal of Signal Processing Systems, 50, (3), 331-340.

Markovsky, Ivan and Niranjan, Mahesan (2010) Approximate low-rank factorization with structured factors. Computational Statistics and Data Analysis, 54, 3411-3420.

Milo, Marta, Cacciabue-Rivolta, Daniela, Kneebone, Adam, Van Doorninck, Hikke, Johnson, Claire, Lawoko-Kerali, Grace, Niranjan, Mahesan, Rivolta, Marcelo and Holley, Matthew (2009) Genomic Analysis of the Function of the Transcription Factor gata3 during Development of the Mammalian Inner Ear. PLoS ONE, 4, (9), e7144.

Tuna, Salih and Niranjan, Mahesan (2009) Classification with binary gene expressions. Journal of Biomedical Science and Engineering, 2, (6), 390-399.

Tuna, Salih and Niranjan, Mahesan (2009) Cross-Platform Analysis with Binarized Gene Expression Data. In, Pattern Recognition in Bioinformatics, Sheffield, Springer-Verlag, 439-449.

Wieser, Daniela and Niranjan, Mahesan (2009) Remote homology detection using a kernel method that combines sequence and secondary-structure similarity scores. In Silico Biology, 9, 0009.

Farran, Bassam, Ramanan, Amirthalingam and Niranjan, Mahesan (2009) Sequential Hierarchical Pattern Clustering. In, Pattern Recognition in Bioinformatics, Sheffield, Springer-Verlag, 79-88.

Liu, Wei and Niranjan, Mahesan (2009) Matching Models to Data in Modelling Morphogen Diffusion. At Machine Learning in Systems Biology, http://mlsb09.ijs.si/files/MLSB09-Proceedings.pdf#page=67, Helsinki University Printing House.

Saunders, C.J., Szedmak, S. and Niranjan, M. (2009) Structure learning for natural language processing. Proceedings of the 2009 IEEE International Workshop on Machine Learning for Signal Processing (MLSP 2009), 6 pp.-.

Xu, Weichao, Hung, Y.S., Niranjan, M. and Shen, M.F. (2010) Asymptotic mean and variance of Gini correlation for bivariate normal samples. IEEE Transactions on Signal Processing, 58, (2), 522-534. (doi:10.1109/TSP.2009.2032448).

Ni, Yizhao, Saunders, Craig, Szedmak, Sandor and Niranjan, Mahesan (2009) STRUCTURE LEARNING FOR NATURAL LANGUAGE PROCESSING. In, IEEE Workshops on Machine Learning for Signal Processing, 2009, Grenoble, France, 02 - 04 Sep 2009.

Ni, Yizhao, Niranjan, Mahesan, Saunders, Craig and Szedmak, Sandor (2010) Distance phrase reordering for MOSES - User Manual and Code Guide.

Ni, Yizhao, Saunders, Craig, Szedmak, Sandor and Niranjan, Mahesan (2009) Handling phrase reordering for machine translation. At the joint conference of the 47th Annual Meeting of the Association for Computational Linguistics and the 4th International Joint ConConference Processing,

Tuna, Salih and Niranjan, Mahesan (2010) Reducing the algorithmic variability in transcriptome-based inference. Bioinformatics, 26, (9), 1185-1191.

Yuan, Ke and Niranjan, Mahesan (2010) Estimating a State-Space Model from Point Process Observations: A Note on Convergence. Neural Computation, 22, (8), 1993-2001.

Tuna, Salih and Niranjan, Mahesan (2010) Inference from Low Precision Transcriptome Data Representation. Journal of Signal Processing Systems, 50, (3), 267-279.

Ni, Yizhao, Saunders, Craig, Szedmak, Sandor and Niranjan, Mahesan (2010) The application of structured learning in natural language processing. Machine Translation

Ramanan, Amirthalingam and Niranjan, Mahesan (2009) Resource-Allocating Codebook for Patch-based Face Recognition. At Fourth International Conference on Industrial and Information Systems, IEEE Press, 28-31.

Ramanan, Amirthalingam, Suppharangsan, Somjet and Niranjan, Mahesan (2007) Unbalanced Decision Trees for Multi-class Classification. In, IEEE - Second International Conference on Industrial and Information Systems, ICIIS 2007, 08 - 11 Aug 2007. IEEE, 291-294.

Ni, Yizhao, Saunders, Craig, Szedmak, Sandor and Niranjan, Mahesan (2011) Exploitation of machine learning techniques in modelling phrase movements for machine translation. Journal of Machine Learning Research, 12, 1-30.

Zammit Mangion, Anderw, Yuan, Ke, Kadirkamanathan, Visakan , Niranjan, Mahesan and Sanguinetti, Guido (2011) Online variational inference for state-space models with point-process observations. Neural Computation, 23, (8), 1967-1999. (doi:10.1162/NECO_a_00156). (PMID:21521047).

Liu, Wei and Niranjan, Mahesan (2011) The Role of Regulated mRNA Stability in Establishing Bicoid Morphogen Gradient in Drosophila Embryonic Development. PLoS ONE, 6, (9), e24896.

Ramanan, Amirthalingam and Niranjan, Mahesan (2011) A Review of Codebook Models in Patch-Based Visual Object Recognition. JOURNAL OF SIGNAL PROCESSING SYSTEMS, DOI: 10.1007/s11265-011-0622-x

Farran, Bassam, Saunders, Craig and Niranjan, Mahesan (2010) Machine Learning for Intrusion Detection: Modeling the Distribution Shift. In, IEEE Workshop on Machine Learning for Signal Processing, Kittil�, Finland, 29 Aug - 01 Sep 2010. IEEE.

Liu, Wei and Niranjan, Mahesan (2012) Gaussian process modelling for bicoid mRNA regulation in spatio-temporal Bicoid profile. Bioinformatics, 28, (3), 366-372. (doi:10.1093/bioinformatics/btr658).

Yuan, Ke, Girolami, Mark and Niranjan, Mahesan (2012) Markov chain Monte Carlo methods for state-space models with point process observations. Neural Computation, 24, (6), 1462-1486. (doi:10.1162/NECO_a_00281). (PMID:22364499).

Liu, Xin and Niranjan, Mahesan (2012) State and parameter estimation of the heat shock response system using Kalman and particle filters. Bioinformatics, 28, (11), 1501-1507. (doi:10.1093/bioinformatics/bts161). (PMID:22539674).

Preotiuc-Pietro, Daniel, Samangooei, Sina, Cohn, Trevor, Gibbins, Nicholas and Niranjan, Mahesan (2012) Trendminer: an architecture for real time analysis of social media text. In, 6th International AAAI Conference on Weblogs and Social Media (ICWSM-12), Dublin, IE, 05 - 07 Jun 2012. 5pp.

Chen, Taihai, Mazomenos, Evangelos B. , Maharatna, Koushik, Dasmahapatra, Srinandan and Mahesan, Niranjan (2012) On the trade-of of accuracy and computational complexity for classifying normal and abnormal ECG in remote CVD monitoring systems. IEEE Workshop on Signal Processing Systems, Quebec City, CA, 17 - 19 Oct 2012. Quebec City, CA, Institute of Electrical and Electronics Engineers 6pp, 37-42. (doi:10.1109/SiPS.2012.43).

Chen, Taihai, Mazomenos , Evangelos B. , Maharatna, Koushik, Dasmahapatra, Srinandan and Niranjan, Mahesan (2013) Design of a low-power on-body ECG classifier for remote cardiovascular monitoring systems. IEEE Journal of Emerging and Selected Topics in Circuits and Systems, 3, (1), 75-85. (doi:10.1109/JETCAS.2013.2242772).

Takeda, Akiko, Niranjan, Mahesan, Gotoh, Jun-ya and Kawahara, Yoshinobu (2013) Simultaneous pursuit of out-of-sample performance and sparsity in index tracking portfolios. Computational Management Science, 10, (1), 21-49. (doi:10.1007/s10287-012-0158-y).

Hassan, A., Damper, R.I. and Niranjan, M. (2013) On acoustic emotion recognition: compensating for covariate shift. IEEE Transactions on Audio, Speech, and Language Processing, 21, (7), 1458-1468. (doi:10.1109/TASL.2013.2255278).

Matthews, Tim, Nixon, Mark S. and Niranjan, Mahesan (2013) Enriching texture analysis with semantic data. In, IEEE Conference on Computer Vision and Pattern Recognition, Portland, US, 25 - 27 Jun 2013.

Mundra, Piyushkumar A., Zheng, Jie, Niranjan, Mahesan, Welsch, Roy E. and Rajapakse, Jagath C. (2013) Inferring time-delayed gene regulatory networks using cross-correlation and sparse regression. In, Zhipeng, Cai, Eulenstein, Oliver, Janies, Daniel and Schwartz, Daniel (eds.) Bioinformatics Research and Applications. , Springer Berlin Heidelberg, 64-75. (Lecture Notes in Computer Science, 7875). (doi:10.1007/978-3-642-38036-5_10).

Samangooei, Sina, Hare, Jonathon, Dupplaw, David, Niranjan, Mahesan, Gibbins, Nicholas, Lewis, Paul H., Davies, Jamie, Jain, Neha and Preston, John (2013) Social Event Detection via sparse multi-modal feature selection and incremental density based clustering. In, MediaEval 2013 / Social Event Detection for Social Multimedia, Barcelona, ES,

Dharmagunawardhana, Chathurika, Mahmoodi, Sasan, Bennett, Michael and Niranjan, Mahesan (2014) Quantitative analysis of pulmonary emphysema using isotropic Gaussian Markov random fields. In, 9th International Conference on Computer Vision Theory and Applications, Lisbon, PT, 05 - 08 Jan 2014. , 44-53.

Dharmagunawardhana, Chathurika, Mahmoodi, Sasan, Bennett, Michael and Niranjan, Mahesan (2014) An Inhomogeneous Bayesian Texture Model for Spatially Varying Parameter Estimation. In, 3rd International Conference on Pattern Recognition Applications and Methods, Angers, FR, , 139-146.

Alrajeh, Abdullah and Niranjan, Mahesan (2014) Bayesian reordering model with feature selection. In, ACL2014: The Ninth Workshop on Statistical Machine Translation, Baltimore, US, 26 - 27 Jun 2014. Association for Computational Linguistics, 477-485.

Dharmagunawardhana, Chathurika, Mahmoodi, Sasan, Bennett, Michael and Niranjan, Mahesan (2014) Gaussian Markov random field based improved texture descriptor for image segmentation. Image and Vision Computing, 32, (11), 884-895. (doi:10.1016/j.imavis.2014.07.002).

Alrajeh, Abdullah and Niranjan, Mahesan (2014) Large-scale reordering model for statistical machine translation using dual multinomial logistic regression. In, Empirical Methods on Natural Language Processing 2014, Doha, QA, 25 - 29 Oct 2014.

Alrajeh, Abdullah, Takeda, Akiko and Niranjan, Mahesan (2014) Memory-efficient large-scale linear support vector machine. In, The 7th International Conference on Machine Vision, Milano, IT, 19 - 21 Nov 2014.

Gunawardana, Yawwani and Niranjan, Mahesan (2013) Bridging the gap between transcriptome and proteome measurements identifies post-translationally regulated genes. Bioinformatics, 29, (23), 3060-3066. (doi:10.1093/bioinformatics/btt537). (PMID:24045772).

Alrajeh, Abdullah and Niranjan, Mahesan (2015) Scalable reordering models for SMT based on multiclass SVM. The Prague Bulletin of Mathematical Linguistics, 103, (1), 65-84. (doi:10.1515/pralin-2015-0004).

Gunawardana, Y., Fujiwara, S., Takeda, A., Woelk, C.H. and Niranjan, Mahesan (2015) Outlier detection at the transcriptome-proteome interface. Bioinformatics (doi:10.1093/bioinformatics/btv182). (PMID:25819671).

Hare, Jonathon, Samangooei, Sina, Niranjan, Mahesan and Gibbins, Nicholas (2015) Detection of Social Events in Streams of Social Multimedia. International Journal of Multimedia Information Retrieval, 4, (4), 289-302. (doi:10.1007/s13735-015-0085-0).

Dharmagunaw, C., Mahmoodi, S., Bennett, M. and Niranjan, M. (2016) Rotation invariant texture descriptors based on Gaussian Markov random fields for classification. Pattern Recognition Letters, 69, 15-21. (doi:10.1016/j.patrec.2015.10.006).

Goehring, Tobias, Yang, Xin, Monaghan, Jessica, Wang, Shang, Niranjan, Mahesan and Bleeck, Stefan (2016) Speech enhancement based on artificial neural networks for hearing-impaired listeners using auditory inspired features. At DGA-Jahrestagung German Society of Audiology, Hannover, DE, 09 - 12 Mar 2016.

Chen, H., Guo, J., Mishra, S.K., Robson, P., Niranjan, M. and Zheng, J. (2014) Single-cell transcriptional analysis to uncover regulatory circuits driving cell fate decisions in early mouse development. Bioinformatics, 31, (7), 1060-1066. (doi:10.1093/bioinformatics/btu777).

Contact

Telephone: +442380593021

Email: mn at ecs dot soton dot ac dot uk

Additional contact details

oh seven eight oh three hundred nine six five four

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