title: Creation of edge detection based image in PHP
body: <p>I'm curious - is it possible to ahieve in PHP:</p>
  
  <p>1) Send image file to server
  2) Process image = detect edges and create simple strokes basing on the edges
  3) Save file on server / send it to user's browser / whatever</p>
  
  <p>Here is some "sample" file ;P (as You can see it wasn't made using any edge detection enabled program, but by hand - just as an example):</p>
  
  <p><a href="http://i51.tinypic.com/5vzo0x.jpg">http://i51.tinypic.com/5vzo0x.jpg</a>
  Thanks!</p>