• Search By Drawing Meet Retrievr & Search By Sketch Demos From Purdue & Princeton
  
  First discovered by Tara (and also blogged by Barry, Philipp, and John) is an experimental search tool called retrievr that allows the user to find related Flickr images by drawing a sketch. Barry writes that it doesn't work too well while Philipp is more postitive. Tara notes it works well for browsing. The concept of sketching/drawing to find imagery is not new....
  in SEARCH ENGINES & TOOLS with demos drawing engines meet retrievr search sketch tools by 5 users

drawing from all users