School of Physical Sciences


I was appointed to the position of Lecturer in the School of Physical Sciences, University of Kent in 2007. I am the co-inventor of the EFIT-V facial composite system which is currently used by the majority of UK police constabularies and in numerous other countries.

Administrative Roles

SPS Director of Innovation and Enterprise

Contact Information


Room 107, Ingram Building

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Also view these in the Kent Academic Repository

Hernández-Castro, C. et al. (2017). Using machine learning to identify common flaws in CAPTCHA design: FunCAPTCHA case analysis. Computers and Security [Online] 70:744-756. Available at:
Mididoddi, C. et al. (2017). High throughput photonic time stretch optical coherence tomography with data compression. IEEE Photonics Journal [Online]. Available at:
Liu, J. et al. (2017). Deep Convolutional Neural Networks for Raman Spectrum Recognition: A Unified Solution. Analyst [Online] 142:4067-4074. Available at:
Osadchy, M. et al. (2017). No Bot Expects the DeepCAPTCHA! Introducing Immutable Adversarial Examples, with Applications to CAPTCHA Generation. IEEE Transactions on Information Forensics and Security [Online]. Available at:
Conference or workshop item
Xavier, I. et al. (2016). A Photo-Realistic Generator of Most Expressive and Discriminant Changes in 2D Face Images. in: 2015 Sixth International Conference on Emerging Security Technologies EST 2015. IEEE, pp. 80-85. Available at:
Showing 5 of 44 total publications in KAR. [See all in KAR]
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Research Interests

The main theme of my research is forensic applications of digital image processing and machine learning. Specific areas of expertise include; facial composites for use in criminal investigations, digital image forensics and interactive evolutionary computation.
If you would like to know more about me, please look at my blog called Patterns in Science. back to top


  • PH611: Numerical and Computational Methods
  • PH588: Mathematical Techniques and Differential Equations
  • PS511: Digital Forensics
  • PS500: Numeracy Skills for Forensic Science
  • PS620: Forensic Stage 3 project supervisor
  • PS740: Forensic Stage 4 project supervisor
  • PH600: Physics Stage 3 project supervisor
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School of Physical Sciences, Ingram Building, University of Kent, Canterbury, Kent, CT2 7NH

Enquiries: contact us

Last Updated: 19/10/2017