Also curious about why low-pass filter is needed to get the spectrum?
keenan
@Jamie It's not; the point of this slide is just to show the effect of cutting out all the high frequencies. I.e., to show what a low-pass filter looks like in the context of images.
Also curious about why low-pass filter is needed to get the spectrum?
@Jamie It's not; the point of this slide is just to show the effect of cutting out all the high frequencies. I.e., to show what a low-pass filter looks like in the context of images.