Sharpens a image by using the unsharp mask filter.

image.sharpen( [ gain ] )

Returns: void

Argument Description
number, optional

Gain values can be integers or real numbers. The default value is 1.0. The value determines whether the image is blurred or sharpened: - if > 0, the image is sharpened - if = 0, no effect - if < 0, the image is blurred


There are currently no examples for this function

See also