array ( 0 => 'index.php', 1 => 'PHP Manual', ), 'head' => array ( 0 => 'UTF-8', 1 => 'de', ), 'this' => array ( 0 => 'imagick.segmentimage.php', 1 => 'Imagick::segmentImage', ), 'up' => array ( 0 => 'class.imagick.php', 1 => 'Imagick', ), 'prev' => array ( 0 => 'imagick.scaleimage.php', 1 => 'Imagick::scaleImage', ), 'next' => array ( 0 => 'imagick.selectiveblurimage.php', 1 => 'Imagick::selectiveBlurImage', ), 'alternatives' => array ( ), 'source' => array ( 'lang' => 'en', 'path' => 'reference/imagick/imagick/segmentimage.xml', ), ); $setup["toc"] = $TOC; $setup["toc_deprecated"] = $TOC_DEPRECATED; $setup["parents"] = $PARENTS; manual_setup($setup); ?>
(PECL imagick 2 >= 2.3.0, PECL imagick 3)
Imagick::segmentImage — Segments an image
$COLORSPACE
,$cluster_threshold
,$smooth_threshold
,$verbose
= false
Analyses the image and identifies units that are similar. Diese Funktion ist verfügbar, wenn Imagick gegen die ImageMagick-Version 6.4.5 oder höher kompiliert wurde.
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.
Beispiel #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);
?>