, you Can filter an image to emphasize certain
inted with filtering include smoothing, sharpening,

pixel in the output image is determined by applying
€ corresponding input pixel. A pixel's neighborhood is
eeNeighborhood or Block Processing: An Overview for

§ filtering in which the value of an output pixel is a linear
od.

alled convolution. Convolution is a neighborhood
boring input pixels. The matrix of weights is called the
‘4 Correlation kernel that has been rotated 12