Nasser M. Abbasi

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Digital signal processing plays an increasingly important rule in the field of medical imaging. This report examines in details the mathematical formulation behind an important medical imaging method called Computed Tomography or CT. We outline the mathematics of CT showing the central role played by spatial Discrete Fourier Transform (DFT) and the 2D(More)
Recent advances in microarray technology offer the ability to study the expression of thousands of genes simultaneously. The DNA data stored on these microarray chips can provide crucial information for early clinical cancer diagnosis. The Principal Orthogonal Decomposition (POD) method has been widely used as an effective feature detection method. In this(More)
The aim of the present study was to evaluate the effect of composite resin contamination with powdered and unpowdered latex gloves on the shear bond strength of etch-and-rinse and two-step self-etch adhesive systems. Standard flat dentin surfaces were prepared on the facial aspect of 120 bovine incisors and randomly assigned into two (n=60) groups: group 1:(More)
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