ceiling navigation

[Rickertsen2]

I was on a boat tonite looking up at the sky, when i had an idea. It goes something like this:Camera pointed toward ceiling + motion tracking algorithms = accurate absolute positioning. Ceilings are great because they will always be perpendicular to the camera and have very definite features such as recessed lights, square ceiling tile patterns, rafters etc. The motion tracking is greatly simplified because you are looking at a perpendicular plane!! What more could you ask for! I am not considering this for FIRST, but i would really like to try it out.

My next project:
2 globe motors
2 encoders
mini-itx PC
a medium sized SLA batt
webcam
a few horizontally facing sonar sensors
some homebrew speeed controllers
JAVA because i am too poor for windows and i don't know the first thing about native linux coding(although i would like to learn)