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Iterative reconstruction with point spread function (PSF) modeling improves contrast recovery in positron emission tomography (PET) images, but also introduces ringing artifacts and over enhancement that is contrast and object size dependent. Mitigation of these artifacts is crucial for clinical and research purposes. In this work we introduce a new iterative regularized reconstruction method that...
An investigation has been made of the various plasma configurations that occur in the coaxial magnetically dispersed arc plasma generator caused by cathode ablation. Two dimensional calculations have been made of different cathode wedge slope which are 30°, 45°, 60°, 90° respectively. In addition calculations have been made of the current density distribution on the cathode surface with one dimension...
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