[ptx] Registration testcases

[alexandre jenny]

> > By having that, you didn't need anymore to worry about 
> overexposure, 
> > underexposure, etc. Just take many pictures with different 
> exposures 
> > and let have the algorithm solves that. Moreover, blending 
> is really 
> > simplified. ... It's just an idea for future ...
> 
> Why stop there...?  Once you go down that route you can aim 
> for super-resolution.
> 
> At the limit you could imagine holding down the trigger on 
> your SLR, waving it around, and then having the pictures all 
> aligned, overexposed and underexposed shots used to fill in 
> fully dynamic range, and the overlapping shots used to create 
> super-resolution images...  

That's exactly what I mean. 
After having solved all problems of stitching picture, that is extending a
picture spacially, 
the future is extending picture in dynamic by using HDR technics.

What's next ? Hum ... Full Spherical HDR Vidéo ;-)

Bye
   Alexandre