Php/docs/imagick.segmentimage
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Imagick::segmentImage
(PECL imagick 2 >= 2.3.0, PECL imagick 3)
Imagick::segmentImage — Segments 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);?>