The choice of the distance for the axial runs, alpha, in a central composite design is very crucial to the performance of the design.
Depending on the scanner geometry, different types of reconstruction algorithms can be used. To study these different types of reconstruction algorithms in a user-friendly way, a software tool was built. The aim of the thesis was to provide a software platform to access a number of previously implemented reconstruction algorithms with ease and minimal knowledge of the reconstruction code.
In addition to creating mathematical objects and invoking the various reconstruction algorithms, the tool provides newly developed features to analyze the reconstructed images. This thesis first presents an overview of CT and associated reconstruction algorithms. It then describes the features to simulate two-dimensional as well as three-dimensional objects.
The reconstructions available are categorized on the basis of different scanner geometries.
The tool has the flexibility to specify a range of parameter values for the reconstruction. Finally the tool allows qualitative and quantitative analysis of reconstructed images by using the analysis tool.
A couple of test phantoms were simulated to demonstrate the capabilities of the GUI tool. The tests performed included the mask analysis to study the relationship between the standard deviation of reconstructed values and the relevant reconstruction parameters, image subtraction to demonstrate differences in reconstructed values, line profile analysis to show variation of reconstructed image values in more detail, and lastly qualitative image display to visualize reconstruction artifacts using the available reconstruction algorithms.
The implemented GUI tool, thus, allows the user to study different reconstruction algorithms with ease using a single panel. It also systematically arranges the available reconstruction algorithms under each scanner geometry.
Overall, the tool allows the user to study various objects and reconstruction algorithms by varying different input parameters. Advisor ; Julie Skipper, Ph.
Committee Member ; David Short, M.reports now include lime recommendations for a target pH of and , allowing the user to make the decision on the rate to use based on economics, field variability, and other production variables.
The old fashioned taking of pencil to paper, drawing free body and mass acceleration diagrams, struggling with equations of motion and kinematic relations, etc. is still essential to grasping the fundamentals of Dynamics. The aim of the thesis was to provide a software platform to access a number of previously implemented reconstruction algorithms with ease and minimal knowledge of the reconstruction code.
The goal was accomplished by building a Graphical User Interface (GUI) using MATLAB (Rb).
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In the essay An Ode to the User-Friendly Pencil the author Bonnie Laing uses personification. She uses this rhetorical device when she calls the pencil "an old friend" and the computer "the superior partner in a destructive relationship." By calling the pencil a friend she is saying that a pencil will always be there like a loyal friend, where.
An Ode to the User-friendly Pencil is a comical and humorously ironic look at the seemingly uncompetitive, whilst competitive, nature of the pencil versus computer debate - not that there is a.