apply an effect like "Sharpen"

    // Create Image Uploader 
    $uploader = new Uploader('Uploader1'); 
    $uploader->setHeight('650px'); 
    $uploader->setWidth('90%'); 
	$uploader->setLanguage("fr");
	 
	$uploader->getClientEvents()->setAfterUpload("afterupload");
	
	 $uploader->getFolderPane()->setViewMode("Tiles");
	 
	 $uploader->getRestrictions()->setFileMask("*.jpg;*.jpeg;*.png;*.gif;*.bmp");
 
	if (trim(AURIGMA_KEY) != '') {
     $uploader->setLicenseKey(AURIGMA_KEY); 
	 }
    
                  
   // $uploader->getUploadSettings()->setActionUrl('upload.php');
    
     
    $uploader->getUploadSettings()->setFilesPerPackage('1');

 
    // Configure converters 
    //Main converter
	
	if ($_SESSION['user']->impressionDeportee == 1) {
	
		$converter0 = new Converter();
		$converter0->setMode('*.*=SourceFile');
		$arrconverters[] = $converter0 ;
	}
				
	//thumb
	$converter1 = new Converter();
	$converter1->setMode('*.*=Thumbnail');
	$converter1->setThumbnailWidth(150);
	$converter1->setThumbnailHeight(150);
	$converter1->setThumbnailFitMode("Fit");
    $converter1->setThumbnailApplyCrop(true);
	
	$arrconverters[] = $converter1 ;

...