Center for Integrated Systems, Stanford University, Stanford, CA 94305
{lerios,cgar,levoy}@cs.stanford.edu
http://www-graphics.stanford.edu/
, 
, and
are interpolated in spherical coordinates to ensure smooth
rotations.
is warped into 
in a
similar way, the only difference being that 
is used in
this last step in place of 
.
to 
.
cells.