Imagick::segmentImage
(PECL imagick 2 >= 2.3.0, PECL imagick 3)
Imagick::segmentImage — Segments an image
说明
public Imagick::segmentImage(
int
float
float
bool
): bool
int
$COLORSPACE,float
$cluster_threshold,float
$smooth_threshold,bool
$verbose = false): bool
Analyses the image and identifies units that are similar. 此方法在Imagick基于ImageMagick 6.4.5以上版本编译时可用。
参数
COLORSPACE-
One of the COLORSPACE constants.
cluster_threshold-
A percentage describing minimum number of pixels contained in hexedra before it is considered valid.
smooth_threshold-
Eliminates noise from the histogram.
verbose-
Whether to output detailed information about recognised classes.
返回值
示例
示例 #1 Imagick::segmentImage()
<?php
function segmentImage($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);
?>
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