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Imagick::segmentImage — Segments an image
$COLORSPACE
, float $cluster_threshold
, float $smooth_threshold
[, bool $verbose
= false
] )Analyses the image and identifies units that are similar. 此方法在Imagick基于ImageMagick 6.4.5以上版本编译时可用。
COLORSPACE
One of the COLORSPACE constants.
cluster_threshold
A percentage describing minimum number of pixels contained in hexedra before it is considered valid.
smooth_threshold
Eliminates noise from the histogram.
verbose
Whether to output detailed information about recognised classes.
Example #1 Imagick::segmentImage()
<?php
function segmentImage ( $imagePath , $colorSpace , $clusterThreshold , $smoothThreshold ) {
$imagick = new \ Imagick ( realpath ( $imagePath ));
$imagick -> segmentImage ( $colorSpace , $clusterThreshold , $smoothThreshold );
header ( "Content-Type: image/jpg" );
echo $imagick -> getImageBlob ();
}
segmentImage ( $imagePath , \ Imagick :: COLORSPACE_RGB , 5 , 5 );
?>