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Sharpen pixels in image

Component Version macOS Windows Linux Server iOS SDK
GraphicsMagick 2.0 ✅ Yes ✅ Yes ✅ Yes ✅ Yes ✅ Yes
MBS( "GMImage.SharpenChannel"; ImageRef; ChannelType; radius; sigma )   More


Parameter Description Example
ImageRef The image reference number. 1
ChannelType One of the following values: RedChannel = 1 (RGB Red channel), CyanChannel = 2 (CMYK Cyan channel), GreenChannel = 3 (RGB Green channel), MagentaChannel = 4 (CMYK Magenta channel), BlueChannel = 5 (RGB Blue channel), YellowChannel = 6 (CMYK Yellow channel), OpacityChannel = 7 (Opacity channel), BlackChannel = 8 (CMYK Black (K) channel), MatteChannel = 9 (Same as Opacity channel (deprecated)), AllChannels = 10 (Color channels), GrayChannel = 11 (Color channels represent an intensity.) 1
radius The radius of the Gaussian, in pixels, not counting the center pixel. 0
sigma The standard deviation of the Laplacian, in pixels. 1


Returns "OK" on success.


Sharpen pixels in image

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Created 18th August 2014, last changed 18th August 2014

GMImage.Sharpen - GMImage.Shave