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If a Butterworth filter is applied to an image and the order of the filter remains constant, which of the following cutoff frequencies will result in the smoothest image?

The advantage to increasing the number of detectors on a scintillation camera, is that it increases the __________.

Circular “ring”artifacts in tomographic reconstruction are the result of:

Noise becomes the dominant image component at _______ frequencies.

Cardiac imaging uses which arc of rotation?

When performing SPECT, which of the following must be considered?

Which of the following filters would preserve more of the signal, assume each filter is using the same cutoff frequency.

Given the following plot of order or power factor. If the following order’s were applied: 1, 2, 4, 10, and 20 and the curves seen were generated. Which letter curve would have resulted by applying an order of 20?

The CFOV is generally described as what percentage of the UFOV?

The filter algorithm selected by the technologist should include consideration of: