The objective of this research is to devise algorithms for video-based face recognition based on spatio-temporal manifolds. The primary focus is to better represent nonlinear face patterns on a data manifold, while incorporating spatio-temporal information that is inherent in vi…
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Human face recognition by computerized system is a challenging process mainly due to the distortions exhibited by the two dimensional (2D) image representation of the three dimensional face. While various techniques have been proposed to resolve these problems, these solutions h…
Multimodal biometric systems have been widely applied in many real-world applications due to its ability to deal with a number of significant limitations of unimodal biometric systems, including sensitivity to noise, population coverage, intra-class variability, non-universality…
In a criminal investigation, witnesses may get asked by the police to provide a perpetrator’s description or to generate a composite image of the perpetrator’s face. Due to their elevated vulnerability to victimisation people with a learning disability (LD) may be more likely th…
Dual-process models of recognition memory propose that recognition memory can be supported by either a general sense of familiarity or the recollection of the encoding context. One source of evidence supporting dual-process models comes from event-related potential (ERP) studies…
The central goal of the current thesis was to increase our understanding of how representations of individual faces are built from instances that vary. The prototype effect was used as a tool to probe the nature of our internal face representations. In face recognition, the prot…
Automatic recognition of human faces is an important and growing field. Several real-world applications have started to rely on the accuracy of computer-based face recognition systems for their own performance in terms of efficiency, safety and reliability. Many algorithms have …
Face recognition can be used in various biometric applications ranging from identifying criminals entering an airport to identifying an unconscious patient in the hospital [1]. With the introduction of 3-dimensional scanners in the last decade, researchers have begun to develop …
Biometric systems now represent a critical piece of the world's security infrastructure. Such systems are deployed at our borders, our workplaces, and even our amusement parks. Biometrics have found their way into military security checkpoints in Iraq and naval and coast guard o…
Among the various biometric tools, face recognition is used in almost all modern security systems. But recognition, authentication and liveness detection of the face of an actual user is a major challenge because an imposter or a non-live face of the actual user can be used to s…