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

示例 #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);

?>