The
Blur filters soften a selection or an image, and are useful for
retouching. They smooth transitions by averaging the color values
of pixels next to the hard edges of defined lines and shaded areas.
- Blur
-
Eliminates noise where significant color transitions occur
in an image. Blur filters smooth transitions by averaging the color
values of pixels next to the hard edges of defined lines and shaded
areas.
- Blur More
-
Produces an effect several times stronger than that of the
Blur filter.
Note: Before applying a Blur filter, deselect the Lock transparent
pixels option in the Layers palette.

Blurring the background of a photo