Fred K Ollinger on Tue, 15 Oct 2002 11:20:05 -0400


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Re: [PLUG] which image transfer format?


> > So, my answer is that I don't know.  8^)  A JPEG at 100% quality must be
> >  better than it is at 75%, but I don't know if it's lossless.
>
> Len can probably tell you for certain, but it's my understanding that
> saving as JPEG loses information, whether the setting is 100% or not.
> Every save in the JPEG format loses some data, because the JPEG algorithm
> by definition loses some data.

Mike is right.

JPEG is lossy. PNG is lossless.

Fred

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