Subject | Re: Any Minolta/Sony users using UFRaw and GIMP? |
From | nospam |
Date | 04/21/2014 01:45 (04/20/2014 19:45) |
Message-ID | <200420141945238523%nospam@nospam.invalid> |
Client | |
Newsgroups | rec.photo.digital |
Follows | Alan Browne |
Followups | Eric Stevens (5h & 6m) > nospam Alan Browne (14h & 18m) |
there's a faint line where the stitching is.nospamAlan Browne
the conversions are also not lossless, something which is trivial to prove. make the conversion and subtract from the original. if they're identical, the result will be zero, which it definitely is not, and on an image i randomly picked, it's noticeable without subtracting.
I just did this on a high key light image. See these 4 images.
[1] Original (now in .jpf (JPEG2000) to save space) (aka: the Lab copy) https://www.dropbox.com/s/esuc08yizhndmvd/HugoBossBeltBuckle_20140323_0002.jpf
[2 Original ( .jpg to save space) (aka: the RGB copy)
https://www.dropbox.com/s/i2ni8bpm738y9ej/HugoBossBeltBuckle_20140323_0002%20c opy%20copy.jpg
[3] The difference (substraction - in jpg) (aka: nospam is wrong)