Imagick::segmentImage

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Imagick::segmentImage — Segments an image

说明

public bool Imagick::segmentImage ( int $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。

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 );

 ?>