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Imagick::cannyEdgeImage

← brightnessContrastImage   channelFxImage →
function cannyEdgeImage($image_path, $radius, $sigma, $lower_percent, $upper_percent)
{
    $imagick = new \Imagick(realpath($image_path));
    $imagick->cannyEdgeImage($radius, $sigma, $lower_percent, $upper_percent);
    header("Content-Type: image/jpeg");
    echo $imagick->getImageBlob();
}