Imagick::sharpenImage
(No version information available, might be only in CVS)
Imagick::sharpenImage — Sharpens an image
Description
bool Imagick::sharpenImage
( float $radius
, float $sigma
[, int $channel
] )
WarningThis function is
currently not documented; only its argument list is available.
Sharpens an image. We convolve the image with a Gaussian operator
of the given radius and standard deviation (sigma). For reasonable
results, the radius should be larger than sigma. Use a radius of
0 and selects a suitable radius for you.
Parameters
-
radius
-
-
sigma
-
-
channel
-
Return Values
Returns TRUE on success.