Be aware that this function is extremely CPU intensive.Imagick::adaptiveBlurImage
(PECL imagick 2, PECL imagick 3)
Imagick::adaptiveBlurImage — Adds adaptive blur filter to image
Description
public Imagick::adaptiveBlurImage(float
$radius, float $sigma, int $channel = Imagick::CHANNEL_DEFAULT): boolAdds an adaptive blur filter to image. The intensity of an adaptive blur depends is dramatically decreased at edge of the image, whereas a standard blur is uniform across the image. This method is available if Imagick has been compiled against ImageMagick version 6.2.9 or newer.
Parameters
radius-
The radius of the Gaussian, in pixels, not counting the center pixel. Provide a value of 0 and the radius will be chosen automagically.
sigma-
The standard deviation of the Gaussian, in pixels.
channel-
Provide any channel constant that is valid for your channel mode. To apply to more than one channel, combine channel constants using bitwise operators. Defaults to
Imagick::CHANNEL_DEFAULT. Refer to this list of channel constants
Return Values
Returns true on success.
Errors/Exceptions
Throws ImagickException on error.
Examples
Example #1 Using Imagick::adaptiveBlurImage():
Adaptively blur an image, then display to the browser.
<?php
header('Content-type: image/jpeg');
$image = new Imagick('test.jpg');
$image->adaptiveBlurImage(5,3);
echo $image;
?>The above example will output something similar to:
See Also
- Imagick::blurImage() - Adds blur filter to image
- Imagick::motionBlurImage() - Simulates motion blur
- Imagick::radialBlurImage() - Radial blurs an image
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