Circular “ring”artifacts in tomographic reconstruction are the result of:
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Noise becomes the dominant image component at _______ freque…
Noise becomes the dominant image component at _______ frequencies.
Cardiac imaging uses which arc of rotation?
Cardiac imaging uses which arc of rotation?
When performing SPECT, which of the following must be consid…
When performing SPECT, which of the following must be considered?
Which of the following filters would preserve more of the si…
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 f…
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 UF…
The CFOV is generally described as what percentage of the UFOV?
The filter algorithm selected by the technologist should inc…
The filter algorithm selected by the technologist should include consideration of:
Which cardiac study would have the greatest need for attenua…
Which cardiac study would have the greatest need for attenuation correction.
The effect of changing the order or power factor of a filter…
The effect of changing the order or power factor of a filter is ________ apparent than changing the cutoff frequency.