Imagick::selectiveBlurImage

    (PECL imagick 3 >= 3.3.0)

    Imagick::selectiveBlurImage — Selectively blur an image within a contrast threshold

    Description

    public Imagick::selectiveBlurImage(
        float $radius,
        float $sigma,
        float $threshold,
        int $channel = Imagick::CHANNEL_DEFAULT
    ): bool

    Selectively blur an image within a contrast threshold. It is similar to the unsharpen mask that sharpens everything with contrast above a certain threshold.

    Parameters

    radius

    sigma

    threshold

    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.

    Examples

    Example #1 Imagick::selectiveBlurImage()

    <?php
    function selectiveBlurImage($imagePath, $radius, $sigma, $threshold, $channel) {
    $imagick = new \Imagick(realpath($imagePath));
    $imagick->selectiveBlurImage($radius, $sigma, $threshold, $channel);
    header("Content-Type: image/jpg");
    echo     $imagick->getImageBlob();
    }

    ?>

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