What are the best practices for maintaining image quality when resizing images with Imagick in PHP?

When resizing images with Imagick in PHP, it is important to maintain image quality by using the appropriate interpolation method and setting the compression quality. To achieve this, set the interpolation method to Lanczos for better quality resizing and adjust the compression quality to an optimal level based on the desired output size. 

// Load the original image
$image = new Imagick('original.jpg');

// Set interpolation method to Lanczos
$image->setImageInterpolateMethod(Imagick::INTERPOLATE_LANCZOS);

// Set compression quality
$image->setImageCompressionQuality(90);

// Resize the image
$image->resizeImage(800, 600, Imagick::FILTER_LANCZOS, 1);

// Save the resized image
$image->writeImage('resized.jpg');

// Clear memory
$image->clear();
$image->destroy();

Keywords

Imagick PHP image quality resizing maintenance

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