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Engineering, Science, & Technology

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

Traditional embedded systems such as secure smart cards and nano-sensor networks have been utilized in various usage models. Nevertheless, emerging secure deeply-embedded systems, e.g., implantable and wearable medical devices, have comparably larger “attack surface”. Specifically, with respect to medical devices, a security breach can... READ MORE
Vehicle tracking from an aerial platform poses a number of unique challenges including the small number of pixels representing a vehicle, large camera motion, and parallax error. For these reasons, it is accepted to be a more challenging task than traditional object tracking and... READ MORE
The performance of Indium Gallium Zinc Oxide (IGZO) Thin-Film Transistors (TFTs) has improved significantly in recent years; however, device stability still remains a significant issue. In bottom-gate TFTs a difficult challenge is the lack of gate control on the back-channel region, resulting in distortion in... READ MORE
Consider the airfoil: a carefully designed structure capable of stable lift in a uniform air flow. It so happens that air pressure and radiation (light) pressure are similar phenomena because each transfer momentum to flow-disturbing objects. This, then, begs the question: does an optical... READ MORE
The ability of structural genomics consortia to determine protein structures more quickly than the proteins can be functionally annotated by conventional experimental means has generated a significant bottleneck that inhibits the progress of certain areas of biological and medical research. This issue is currently... READ MORE
Facial videoplethysmography provides non-contact measurement of heart activity based on blood volume pulsations detected in facial tissue. Typically, the signal is extracted using a simple webcam followed by elaborated signal processing methods, and provides limited accuracy of time-domain characteristics. In this study, we explore... READ MORE
Nano- and micromanipulators are critical research tools in numerous fields including micro-manufacturing and disease study. Despite their importance, nano- and micromanipulation systems remain inaccessible to many groups due to price and lack of portability. An intuitive and remotely accessible manipulation system helps mitigate this... READ MORE
In order to achieve high efficiency, multimedia source coding usually relies on the use of predictive coding. While more efficient, source coding based on predictive coding has been considered to be more sensitive to errors during communication. With the current volume and importance of... READ MORE
A new workflow to produce dimensionality reduced manifold coordinates based on the improvements of landmark Isometric Mapping (ISOMAP) algorithms using local spectral models is proposed. Manifold space from nonlinear dimensionality reduction better addresses the nonlinearity of the hyperspectral data and often has better per-... READ MORE
This thesis proposes and explores a new technique to double the frequency of a RF-over-fiber signal in a linear fashion. The technique is based on combining the output of a well-known, commercial decide (the Mach Zehnder Modulator) in a new fashion that has not been... READ MORE
Computer networks are becoming more complex as the reliance on these network increases in this era of exponential technological growth. This makes the potential gains for criminal activity on these networks extremely serious and can not only devastate organizations or enterprises but also the... READ MORE
The lifecycle of a system is dependent on the system design. However, the concern with quality has been stressed mostly during its production and use. The understanding of the system variability generated by noise variables shifted the quality focus to the design phase. The... READ MORE
As a droplet containing colloidal material dries on a surface, the suspended particles are deposited onto it. Aqueous colloidal droplets often leave the majority of particles at the periphery of the deposition area. This phenomenon is known as the coffee ring effect, and it... READ MORE
Colorectal cancer (CRC), with multifactorial influences of genetic, molecular, inflammatory, and environmental factors, is a leading cause of cancer-related deaths. Due to the high diversity and concentration of microbes found in the human colon, the microbiome has become a prime suspect of being a... READ MORE
Introducing nucleic acids into mammalian cells is a crucial step to elucidate biochemical pathways, modify gene expression in immortalized cells, primary cells, and stem cells, and intoduces new approaches for clinical diagnostics and therapeutics. Current gene transfer technologies, including lipofection, electroporation, and viral delivery,... READ MORE