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In the FBP algorithm, the ramp filter |w| has the zero response for the 0-frequency, thus its output has zero for the DC component, i.e., the average value would be zero, then, there would be...
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Gaussian filter is commonly used in image processing, and in Matlab it is by: h = fspecial('gaussian', hsize, sigma), where the values of sigma and hsize need to be determined by the user. For a...
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