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);

?>