Search found 2 matches

by DaveO
January 28th, 2010, 2:42 pm
Forum: Picture Window Support
Topic: TIFF compression
Replies: 1
Views: 2351

Re: TIFF compression

I found out what is going on. IrFanView is saving the files as 24 bit not 48 bit despite me not selecting the option to change the bit depth so it isn't compression that is shrinking the files but the conversion to 24 bits. Interestingly using ZIP compression I do see a reduction in the 48 bit image...
by DaveO
January 28th, 2010, 12:05 pm
Forum: Picture Window Support
Topic: TIFF compression
Replies: 1
Views: 2351

TIFF compression

I posted this on the old message board by mistake: Hi, I have been scanning some negatives to 48 bit TIFF's to edit in Picture Window Pro and have noticed if I save with LZW compression the size of the file actually increases. I understand enough about compression algorithms to know this can sometim...