Php/docs/imagick.segmentimage

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Imagick::segmentImage

(PECL imagick 2 >= 2.3.0, PECL imagick 3)

Imagick::segmentImageSegments an image


说明

public Imagick::segmentImage ( 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

范例

Example #1 Imagick::segmentImage()

<?phpfunction 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);?>