PHP | Imagick medianFilterImage() Function

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The Imagick::medianFilterImage() function is an inbuilt function in PHP which applies a digital filter that improves the quality of a noisy image.

Syntax:

bool Imagick::medianFilterImage( float $radius )

Parameters: The function accepts a single parameter $radius which holds the radius of the pixel neighborhood.

Return Value: This function returns TRUE on success.

Errors/Exceptions: This function throws an ImagickException on error.

Below program illustrates the Imagick::medianFilterImage() function in PHP:

Program:

<?php 
  
// Create a new imagick object 
$imagick = new Imagick( 
'https://media.zambiatek.com/wp-content/uploads/20190823154611/zambiatek24.png'); 
   
// Applying the digital filter to the image 
$imagick->medianFilterImage(10); 
   
header("Content-Type: image/jpg"); 
  
// Display the output image 
echo $imagick->getImageBlob(); 
  
?> 

Output:

Reference: https://www.php.net/manual/en/imagick.medianfilterimage.php

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