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Engineering, Science, & Technology

Creating, innovating, addressing challenges, solving problems, and improving the quality of lives in society.

Environmental awareness and ever-growing restrictive regulations over contamination have increased the need for more environmentally-friendly lubricants. Due to their superior biodegradability and lower toxicity, vegetable oils are a good alternative to replace currently-used mineral oils. However, vegetable oils show low oxidation and thermal stability and... READ MORE
Printed electronics processes have the potential to make electronics manufacturing more flexible by providing a wider choice of materials and easier processing steps. In traditional electronics manufacturing techniques, corrosive etching steps limit the choice of materials and also require advanced infrastructure for process implementation.... READ MORE
Sign Language Recognition (SLR) system is a novel method that allows hard of hearing to communicate with general society. In this study, American Sign Language (ASL) recognition system was proposed by using the surface Electromyography (sEMG). The objective of this study is to recognize the... READ MORE
Medical image registration has received considerable attention in the medical imaging and computer vision communities because of the variety of ways in which it can potentially improve patient care. This application of image registration aligns images of regions of the human body for comparing... READ MORE
The accuracy of Global Positioning algorithms can be improved by incorporating observations from the satellites of multiple Global Navigation Satellite Systems (GNSS). To best utilize these observations, inter-system biases must be modeled. A unified observational model is proposed which accounts for these factors for an... READ MORE
In this work, we consider stochastic variational inequalities arising from a certain class of equilibrium problems with uncertainties. Uncertainties in the models are introduced through data that are known through their probabilistic distributions. We consider several extragradient methods for the solutions of the variational inequalities... READ MORE
The giant Salmonella enterica phage SPN3US belongs to the ϕKZ-related phages which are amongst the most complex virions of prokaryotic viruses, even more complex than most eukaryotic viruses. SPN3US for example assigns 46% of its 240kbp genome to code for virion proteins. We have... READ MORE
Presented is an Online Novelty Detection System (ONDS) that uses Gaussian Mixture Models (GMMs) and one-class classification techniques to identify novel information from multivariate times-series data. Multiple data preprocessing methods are explored and features vectors formed from frequency components obtained by the Fast Fourier... READ MORE
Inverse problems of parameter identification and source identification in partial differential equations are highly ill-posed problems and for their satisfactory theoretical and numerical treatment some sort of regularization is necessary. In this thesis, we pose this inverse problem as an optimization problem and perform the... READ MORE