sharpenImage($sharpen_radius, $sharpen_sigma, $channel );
}
$format = strtolower( $image->getimageformat() );
$path = "temp/$ID.$_SESSION[views].$format";
$frames = $image->getNumberImages();
if ( $frames > 1) { $image->writeImages("$path", TRUE); }
else { $image->writeImage("$path"); }
# save settings
$_SESSION[path] = $path;
$_SESSION[sharpen_radius] = $sharpen_radius;
$_SESSION[sharpen_sigma] = $sharpen_sigma;
header("location:display.php");
exit;
}
######### end sharpen
include("top.php");
?>
- Description:
-
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
- Defaults to All
- Example
- Sharpen