I've been scanning images with Vuescan as compressed TIFF, 48- bit RGB. If I open these in Pshop and do anything, then resave, they grow. This made me stop to take a look. If I save either as compressed or non- with TIFF in Pshop, they're bigger, and the compressed can be larger than non-compressed. I don't think Adobe must be using the full compression possibilites of the format. Very likely it is image dependent, and with high-detailed photos it is worse than those with smooth areas. I'd be happy to be proved wrong here, or shown a switch I haven't flipped. Tim Spragens > Really? of about 20,000 images saved as tiff so far, I can't say I've > ever noticed this. > > I'll look when I do the next 30,000 soon, but my experience so far is > compressed tiff work fine and actually does compress - so far. > -- Tim Spragens http://www.borderless-photos.com
Message
RE: [Digital BW] off topic Re: lossless archiving
2001-08-26 by Tim Spragens
Attachments
- No local attachments were found for this message.