The University of Southampton
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Research

Research interests

Signal and Image Processing, Computer Vision, Segmentation, Biometrics, Encryption 

Projects

Professional

Qualifications

BSc in Electronic Engineering,

MSc in Electronic Engineering,

PhD in Image processing and Computer Vision 

Publications

Mahmoodi, Sasan and Sharif, Bayan (2005) Signal segmentation and denoising algorithm based on energy optimisation. Signal Processing, 85, (9), 1845-1851.

Mahmoodi, Sasan and Sharif, Bayan (2006) A nonlinear variational method for signal segmentation and reconstruction using level set algorithm. Signal Processing, 86, 3496-3504.

Mahmoodi, Sasan and Sharif, Bayan (2006) Nonlinear optimisation method for image segmentation and noise reduction using geometrical intrinsic properties. Image and Vision Computing, 24, 202-209.

Mahmoodi, Sasan and Sharif, Bayan (2006) Noise reduction, smoothing and time interval segmentation of noisy signals using an energy optimisation method. IEE Proceedings Vision, Image and Signal Processing, 153, (2), 101-108.

Mahmoodi, Sasan, Sharif, Bayan, Chester, Graeme, Owen, John and Lee, Richard (2000) Skeletal Growth Estimation Using Radiographic Image Processing and Analysis. IEEE Transactions on Information Technology in Biomedicine, 4, (4), 292-297.

Mahmoodi, Sasan and Sharif, Bayan (2006) Unsupervised Texture Segmentation Using a nonlinear Energy Optimisation. Journal of Electronic Imaging, 15, (3), 033006.

Tovee, Martin, Hancock, Peter, Mahmoodi, Sasan, Singleton, Ben and Cornelissen, Piers (2002) Human female attractiveness: waveform analysis of body shape. Proceedings of the Royal Society B: Biological Sciences, 269, (1506), 2205-2213.

Guo, Kun, Robertson, Robert, Mahmoodi, Sasan, Tadmor, Yoav and Young, Malcolm (2003) How do monkeys view faces?—a study of eye movements. Experimental Brain Research, 150, 363-374.

Mahmoodi, Sasan and Sharif, Bayan (2007) Geometrical-based algorithm for variational segmentation and smoothing of vector-valued images. IET Image Processing, 1, (2), 112-122.

Mahmoodi, Sasan and Sharif, Bayan (2007) Contour evolution scheme for variational image segmentation and smoothing. IET Image Processing, 1, (3), 287-294.

Guo, Kun, Robertson, Robert, Mahmoodi, Sasan and Young, Malcolm (2005) Centre-surround interactions in response to natural scene stimulation in the primary visual cortex. European Journal of Neuroscience , 21, 536-548.

Guo, Kun, Mahmoodi, Sasan, Robertson, Robert and Young, Malcolm (2006) Longer fixation duration while viewing face images. Experimental Brain Research, 171, 91-98.

Guo, Kun, Robertson, Robert, Nevado, Angel, Pulgarin, M, Mahmoodi, Sasan and Young, Malcom (2006) PRIMARY VISUAL CORTEX NEURONS THAT CONTRIBUTE TO RESOLVE THE APERTURE PROBLEM. Neuroscience, 138, 1397-1406.

Markovsky, Ivan and Mahmoodi, Sasan (2009) Least squares contour alignment. IEEE Signal Processing Letters, 16, (1), 41-44.

Al-Huseiny, Muayed, Mahmoodi, Sasan and Nixon, Mark (2009) Level Set Gait Analysis for Synthesis and Reconstruction. At Lecture Notes in Computer Science-5th International Symposium on Visual Computing, Las Vegas, Nov - Dec 2009. , 377-386.

Al-Huseiny, Muayed, Mahmoodi, Sasan and Nixon, Mark (2009) Gait Sequence Synthesis and Reconstruction. At British Machine Vision Conference, London, UK,

Guo, Kun, Robertson, Robert, Theile, Alex, Penzari, Stefano, Mahmoodi, Sasan and Young, Malcolm (2002) V1 neurons use spatio-temporal prior probabilities of stimuli in dynamic scenes in bayesian inference. At Society for Neuroscience

Robertson, Robert, Guo, Kun, Mahmoodi, Sasan and Young, Malcom (2002) Coding of Stimuli in Primary Visual Cortex (Area V1) of Awake Behaving Primates While Viewing Real World Images. At The Third Forum of Federation of European Neuroscience Societies

MacDonald, Jack, Golledge, H, Gigg, John, Tovee, Martin, Mahmoodi, Sasan and Tadmor, Yoav (2001) Modulation of Responses of Marmoset V1 Neurons by Natural Images of Different Second Order Statistics, Surrounding the Classical RF. At Society of Neuroscience

Hurlbert, Anya, Gigg, John, Golledge, Huw, Mahmoodi, Sasan, MacDonald, J, Parry, J, Bowmaker, J and Tovee, Martin (2001) Neurons are selective for local cone-contrast in marmoset V1. At Soc. Neurosci Abstr

Robertson, Robert, Guo, Kun, Sugita, Y, Tadmor, Yoav , Mahmoodi, Sasan and Young, Malcolm (2001) Eye-movements in primates viewing real world scenes. At Society for Neuroscience

Mahmoodi, Sasan, Sharif, Bayan, Chester, Graeme, Owen, J and Lee, R (1999) Bayesian Estimation of Growth Age Using Shape and Texture Descriptors. At IEE International Conference on Image Processing and Its Applications , Manchester,

Mahmoodi, Sasan, Sharif, Bayan, Chester, Graeme, Owen, J and Lee, R (1999) Skeletal Growth Estimation Using an Automated Knowledge-based Vision System. At Radiology 99, London , UK,

Mahmoodi, Sasan, Sharif, Bayan, Chester, Graeme, Owen, J and Lee, R (1997) Automated Vision System for Skeletal Age Assessment Using Knowledge-based Techniques. At IEE International Conference on Image Processing and Its Applications , UK, Wales,

Mahmoodi, Sasan, Sharif, Bayan and Chester, Graeme (1997) Contour Detection Using Multi-scale Active Shape Models. At IEEE International Conference in Image Processing , Santa Barbara, USA,

Mahmoodi, Sasan, Abrishamchi, Hamid and Zahedi, Edmond (1991) Computer Simulation of Ultrasonic Imaging System and Its Application. At The 4th Seminar on Biomedical Engineering, Tehran, Iran,

Abrishami, Hamid , Mahmoodi, Sasan and Zahedi, Edmon (1991) Computer Simulation of Ultrasound Wave Propagation in Human Tissue. At Iranian Congress of Medical Physics, Tehran, Iran,

Guo, Kun , Robertson, Robert, Sugita, Y, Mahmoodi, Sasan, Tadmor, Yoav and Young, Malcolm (2002) How Do Monkeys View Faces?-A Study of Eye Movements. At Federation of European Neuroscience Societies

Mahmoodi, Sasan (2009) Shape-based active contours for fast video segmentation. IEEE Signal Processing Letters, 16, (10), 857-860. (doi:10.1109/LSP.2009.2025924).

Al-Huseiny, Muayed, Mahmoodi, Sasan and Nixon, Mark (2010) Gait Learning-Based Regenerative Model: a Level Set Approach. In, the 20th International Conference on Pattern Recognition, Istanbul, Turkey,

Matovski, Darko, Nixon, Mark, Mahmoodi, Sasan and Carter, John (2010) The Effect of Time on the Performance of Gait Biometrics. At IEEE Fourth Conference on Biometrics: Theory, Applications and Systems , Washington DC , USA,

Mahmoodi, Sasan (2011) Scale invariant filtering design and analysis for edge detection. Proceedings of the Royal Society A: Mathematical, Physical & Engineering Sciences, 467, (2130), 1719-1738. (doi:10.1098/rspa.2010.0475).

Mahmoodi, Sasan (2011) Anisotropic diffusion for noise removal of band pass signals. Signal Processing, 91, (5), 1298-1307. (doi:10.1016/j.sigpro.2010.12.018).

Mahmoodi, Sasan (2012) Edge detection filter based on Mumford-Shah green function. SIAM Journal on Imaging Sciences, 5, (1), 343-365. (doi:10.1137/100811349).

Al-Huseiny, Muayed, Mahmoodi, Sasan and Nixon, Mark (2010) Robust Rigid Shape Registration Method Using a Level Set Formulation. At Lecture Notes in Computer Science-6th International Symposium on Visual Computing, Las Vegas, USA, , 252-261.

Ibrahim, Mina Ibrahim, Nixon, Mark and Mahmoodi, Sasan (2010) Shaped Wavelets for Curvilinear Structures for Ear Biometrics. At Lecture Notes in Computer Science- 6th International Symposium on Visual Computing, Las Vegas, USA,

Mahmoodi, Sasan (2010) Bessel Filter Analysis.

Matovski, Darko, Nixon, Mark, Mahmoodi, Sasan and Carter, John (2012) The effect of time on gait recognition performance. IEEE Transactions on Information Forensics and Security, 7, (2), 543-552. (doi:10.1109/TIFS.2011.2176118).

Mahmoodi, Sasan and Gunn, Steve (2011) Scale Space Smoothing, Image Feature Extraction and Bessel Filters. At Lecture Notes in Computer Science-17th Scandinavian Conference on Image Analysis, Ystad, Sweden, 23 - 27 May 2011. Springer-Verlag, 625-634.

Mahmoodi, Sasan and Gunn, Steve (2011) Snake based Unsupervised Texture Segmentation using Gaussian Markov Random Field Models. At 18th IEEE International Conference on Image Processing , Brussels, Belgium, 11 - 14 Sep 2011. IEEE.

Ibrahim, Mina Ibrahim, Nixon, Mark and Mahmoodi, Sasan (2011) The Effect of Time on Ear Biometrics. At The first International Joint Conference on Biometrics, Washington DC, USA, 11 - 13 Oct 2011.

Mahmoodi, Sasan (2011) Mathematical Analysis for Shape Registration based on Signed Distance Functions.

Mahmoodi, Sasan, Al-Huseiny, Muayed and Nixon, Mark S. (2012) Similarity registration for shapes based on signed distance functions. In, International Symposium on Visual Computing, Crete, GR, 16 - 18 Jul 2012. 10pp, 599-609.

Matovski, D., Nixon, M., Mahmoodi, S. and Mansfield, T. (2012) On including quality in applied automatic gait recognition. In, 21st International Conference on Pattern Recognition (ICPR 2012), Tsukuba, JP, 11 - 15 Nov 2012. 4pp.

Dharmagunawardhana, Chathurika, Mahmoodi, Sasan, Bennett, Michael and Mahesan, Niranjan (2012) Unsupervised Texture Segmentation using Active Contours and Local Distributions of Gaussian Markov Random Field Parameters. At 23rd British Machine Vision Conference, Surrey, UK, Surrey, 11pp.

Liu, Wanmu, Mahmoodi, Sasan, Havelock, Tom and Bennett, Michael (2013) A Solution to The Similarity Registration Problem of Volumetric Shapes. In, Lectuer Notes in Computer Science: The 9th International Symposium on Visual Computing, , 343-352.

Mahmoodi, Sasan (2013) Discontinuity Preserving Noise Removal Method based on Anisotropic Diffusion for Band Pass Signals. In, IEEE 15th International Workshop on Multimedia Signal Processing, Pula(Sardinia), italy, , 362-366.

Liu, Wanmu, Mahmoodi, Sasan, Havelock, Tom and Bennett, Michael (2014) Robust Similarity Registration Technique for Volumetric Shapes Represented by Characteristic Functions. Pattern Recognition, 47, (3), 1144-1158.

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.

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).

Al-Huseiny, Muayed and Mahmoodi, Sasan (2014) Shape registration using characteristic functions. IET Image Processing, 9, (3), 249-260. (doi:10.1049/iet-ipr.2014.0467).

Mahmoodi, Sasan and Saba, Nasim (2014) Affine invariant Harris-Bessel interest point detector. In, Advances in Visual Computing, Springer, 367-375. (doi:10.1007/978-3-319-14364-4_35).

Mahmoodi, Sasan (2016) Linear Neural Circuitry Model for Visual Receptive Fields. Journal of Mathematical Imaging and Vision, 54, (2), 138-161.

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).

Pitman, Sebastian, Gallop, Shari L., Haigh, Ivan D., Mahmoodi, Susan, Masselink, Gerd and Ranasinghe, Roshanka (2016) Synthetic imagery for the automated detection of rip currents. [in special issue: Proceedings of the 14th International Coastal Symposium, Sydney, 6-11 March 2016] Journal of Coastal Research, Special Issue, (75), 912-916. (doi:10.2112/SI75-183.1).

Mahmoodi, S. (2015) Emphysema diagnoses in lungs using medical imaging methods. Keynote Speech: 22nd Iranian Conference on Biomedical Engineering, Tehran, IR, 25 - 27 Nov 2015.

Mahmoodi, S (2016) NonLinear Model for Complex Neurons in Biological Visual Visions. In, 9th International Conference on Bio-Inspired Systems and Signal Processing, Rome, Italy, 6pp.

Mahmoodi, Sasan (2017) Discontinuity preserving method for noise removal of multi-carrier signals. Signal Processing, 131, 8-19. (doi:10.1016/j.sigpro.2016.07.017).

Mahmoodi, Sasan (2016) Anisotropic noise removal for amplitude modulated signals, Saarbrücken, DE, Lambert Academic Publishing

Contact

Telephone: +442380593284

Email: sm3@ecs.soton.ac.uk

Fax: +44 (0) 23 8059 4498

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