The growth of mobile phone use has paralleled increased reports of identity theft. Identity theft can result in financial loss and threats to a victim's personal safety. Although trends in identity theft are well-known, less is known about individual cell phone users' attitudes …
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Mobile devices have become a popular platform for users to access information and digital services, and stay connected. The increased usage and reliance on these devices also imply that they increasingly handle, manage, and process private and sensitive data. As more and more se…
This thesis is dedicated to exploring the potential of the 3D shape of the nasal region for face recognition. In comparison to other parts of the face, the nose has a number of distinctive features that make it attractive for recognition purposes. It is relatively stable over di…
Biometrics is constantly evolving technology which has been widely used in many official and commercial identification applications. In fact in recent years biometric-based authentication techniques received more attention due to increased concerns in security. Most biometric sy…
This thesis is about the relationship between human bodies and instrumental technologies that can be use to measure them. It adopts the position that instruments are technological structures that evoke and manifest particular phenomena of embodied life. However, through their hi…
Biomimetics has traditionally meant the study of the structure and function of biological systems as models for the design and engineering of materials and machines. Some stunning results showing how biomimetics has been put into practice include Velcro, the Millennium Dome in L…
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…
This dissertation describes a new methodology for multi-modal (2-D + 3-D) face modeling and recognition. There are advantages in using each modality for face recognition. For example, the problems of pose variation and illumination condition, which cannot be resolved easily by u…
Automating the identification process of individuals is receiving increased attention. Fully automated image segmentation from different types of biometric images is an essential step for designing automated identification systems. In this work, we address the problem of fully a…
Automated Facial Expression Recognition (FER) has been a topic of study in the field of computer vision and machine learning for decades. In spite of efforts made to improve the accuracy of FER systems, existing methods still are not generalizable and accurate enough for use in …
This dissertation explores historical and social contexts through which governments employ technology to identify individuals through their bodies. It poses the question of why these programs are necessary and investigates the promise and limitations of these technologies' influ…
Fingerprints are unique to each person and they have been widely used and accepted for identification purposes by the society. Fingerprints can be captured by using ink and paper to get a print and then digitizing it or more recently by using specialized sensors. But in both cas…
Fingerprints are one of the most widely used personal identification traits. They play a crucial role in forensics because they are considered to be unique to each person. For many years, the identification of individuals had been carried out by human operators. However, with te…
Digital image forensics entails the deduction of the origin, history and authenticity of a digital image. While a number of powerful techniques have been developed for this purpose, much of the focus has been on images depicting natural scenes and generic objects. In this thesis…
Patterns of structural change associated with monodominant tropical forest complexes have remained enigmatic for decades. Here I extend previous efforts in presenting a long-term, local-scale analysis of forest dynamics in central Africa. Using four 10 ha censused plots measured…
Traumatic brain injury (TBI) remains a public health challenge as it causes considerable long-term disability and mortality, creating an important economic burden for society. Accurate and timely assessments of the TBI burden provide evidence to justify the allocation of healthc…