php教程

Imagick::segmentImage

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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()

<?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_RGB55);

?>

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