How about a projector without a canvas and on the battered corner of your room?

How about a projector which does not need a white canvas or a flat surface to project on?

I was reading about my BTP(Smart Camera - Projector Systems), and then found this cool application of it. No need to roll down a big white canvas anymore for a theater experience. Just select any part of your wall, or just a curtain, a table cloth or just anything. The surface need not be even flat..., you can even choose corners of your room as a screen..... To know what I am talking about see the pics below:-

A scruffy corner(yes a corner of a wall!):-

Output of a normal projector(notice the effect of choosing a corner as your viewing screen):-

Geometry-Corrected output by the smart camera-projector system:

Geo+color corrected output by smart camera-projector system:


For more read this or this research paper(pdf).
Here a few more cool pics:-
Projection on a natural stone wall inside a castle vault (click to get a larger view):-

Projection on a checkered curtain:-


Its cool!!