Imagick::segmentImage
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Imagick::segmentImage — Segments an image
说明
public Imagick::segmentImage
( int
$COLORSPACE
, float $cluster_threshold
, float $smooth_threshold
[, bool $verbose = FALSE
] ) : boolAnalyses the image and identifies units that are similar. 此方法在Imagick基于ImageMagick 6.4.5以上版本编译时可用。
参数
-
COLORSPACE -
One of the COLORSPACE constants.
-
cluster_threshold -
A percentage describing minimum number of pixels contained in hexedra before it is considered valid.
-
smooth_threshold -
Eliminates noise from the histogram.
-
verbose -
Whether to output detailed information about recognised classes.
返回值
范例
Example #1 Imagick::segmentImage()
<?php
function segmentImage($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);
?>