On Wed, Jun 07, 2000 at 03:45:07PM +0000, Mr. B. wrote:
> what advantages disadvantages, do a)tiff, b) jpg imag formats have over each other?
JPEG is a lossy format i.e. once you've converted an image file (e.g. a
TIFF) to JPEG you've lost information that you can't get back. However, this
information is often redundant for certain uses. So, TIFF preserves all tne
image information you've got, at a cost of large storage space, but JPEG
makes for very small files, at a cost of absolute loss of image information.
Practically every picture you see in a daily newpaper and many in magazines
etc. has been a JPEG at some stage, and you usually won't see the image
artefacts unless you look very closely (depending on compression, print
size, phase of the moon etc.)
Niall O Broin
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