Imagick::getImageChannelDistortion
Compares image channels of an image to a reconstructed image
Description
public float Imagick::getImageChannelDistortion(Imagick $reference
, int $channel
, int $metric
)
Parameters
-
reference
-
Imagick object to compare to.
-
channel
-
Provide any channel constant that is valid for your channel mode. To
apply to more than one channel, combine channeltype constants using
bitwise operators. Refer to this
list of channel constants.
-
metric
-
One of the metric type constants.
Return Values
Returns true
on success.
Errors/Exceptions
Throws ImagickException on error.