Pick median pixel from certain rectangle defined by radius.

This filter accepts the following options:

radius

Set horizontal radius size. Default value is 1. Allowed range is integer from 1 to 127.

planes

Set which planes to process. Default is 15, which is all available planes.

radiusV

Set vertical radius size. Default value is 0. Allowed range is integer from 0 to 127. If it is 0, value will be picked from horizontal radius option.

percentile

Set median percentile. Default value is 0.5. Default value of 0.5 will pick always median values, while 0 will pick minimum values, and 1 maximum values.