BUILT-IN MATHEMATICA SYMBOL

ImageFilter

applies the function f to the range r neighborhood of each pixel in each channel of image.

ImageFilter replaces the value of each pixel by the result of applying the function f to the array of values around that pixel.

ImageFilter picks out neighborhoods that extend rows up, rows down, columns to the left, and columns to the right.

The channel values supplied to f are normally in the range 0 to 1, regardless of the underlying type used in the Image object. The function f is assumed to return channel values that are normally in the range 0 to 1.

Padding	"Fixed"	what values to assume beyond the image
Interleaving	False	whether to supply f lists of channel values
Masking	All	region of interest

With the default setting Interleaving->False, the elements in the arrays to which f is applied are individual channel values for the pixels.

With Interleaving->True, the elements are instead the list of all channel values for a particular pixel.

With a setting Padding->None, ImageFilter normally gives an image smaller than image.

Apply a local minimum filter:

Blur an image by replacing each pixel with the local mean:

Apply a local minimum filter:

Out[1]=

Blur an image by replacing each pixel with the local mean:

Out[1]=

Mean filter computed over all channels:

Process the area outside a disk:

Find the exact position of an image fragment:

Create a mean filter using a line kernel:

Median deviation filter: