Hi everybody, I want to use Peak Signal noise ratio and sum of absolut distance as a metric for CT-Registration. Can anybody give me an advise how to do so? An example would be perfect. :-D thx, Fab -- View this message in context: http://www.nabble.com/PSNR-tp16304017p16304017.html Sent from the ITK - Users mailing list archive at Nabble.com.