Assertion: microscope's image | /r/CapableOf | use fourier transform
Facets:
Source sentences:
text: Such "blurring" and "sharpening" algorithms in most programs work by altering a pixel's value based on a weighted sum of that and the surrounding pixels (a more detailed description of kernel based convolution deserves an entry for itself) or by altering the frequency domain function of the image using Fourier Transform.