# Yp Mean Filter

## Command

Image

Filters

Yp Mean Filter

## Description

Applies a Yp Mean filter to an image.

The Yp mean filter is member of a set of nonlinear mean filters which are better removing Gaussian type noise and preserving edge features than the arithmetic mean filter. Yp mean filter is very good at removing positive outliers for negative values of P and negative outliers for positive values of P (Power, see below).

## Dialog box

**Filter Size**: larger filter yields stronger effect.

**Power**: controls power. P<0 removes positive outliers; P>0 removes negative
outliers.

Click Preview to judge the results.

Click OK to proceed.

## Examples

Before: | After: | |

## See also

- Arithmetic Mean Filter
- Geometric Mean Filter
- Harmonic Mean Filter
- Median Filter
- Maximum Filter
- Minimum Filter
- Midpoint Filter
- Range filter
- Emboss Filter
- Canny Edge Detector