pfscalibration : photometric calibration of HDR and LDR cameras ( http://www.mpi-sb.mpg.de/resources/hdr/calibration/pfs.html )
pfstools : High Dynamic Range Images and Video manipulation tools ( http://www.mpi-inf.mpg.de/resources/pfstools/ )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a maggu2810-overlay
For Paludis use this rsync : rsync://gentoo.zugaina.org/maggu2810-overlay-portage
If you have a problem : ycarus(-at-)zugaina.org