(PECL imagick 2.0.0)
Imagick::getImageDistortion — Compares an image to a reconstructed image
$reference
, int $metric
)Compares an image to a reconstructed image and returns the specified distortion metric.
referenceImagick object to compare to.
metricOne of the metric type constants.
Returns the distortion metric used on the image (or the best guess thereof).
Lancia una ImagickException in caso di errore.