<http://schema.org/description>
"\\$.getImageData \\$.getImageData by Max Novakovic provides pixel level access to images from any domain. It uses  a server-side component with JSONP requests that base64 encodes the  images and returns them to the client for further Canvas processing. There are PHP,..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://dailyjs.com/2011/01/21/getimagedata-janky-dox/>