Re: JPEG compression in a TIFF file, pointless?

Hi,

> I know that, it's just a question of semantics. I know that what
> everyone knows as a "JPEG" image is actually a JFIF. I should have made
> a point of being more accurate in my wording.

> I'm comparing an image saved as a standard (JFIF) JPEG, and the exact
> same image saved as a TIFF using JPEG compression. At the same visual
> quality level, the TIFF is still HUGE compared to the JPEG/JFIF. The
> TIFF is anywhere from 3 to 5 times as large as the JPEG/JFIF.

In that case, your TIFF creation program does something strange.
A JPEG in a TIFF container should be approximately the same size
as a JPEG in a JFIF container. Probably it stores an uncompressed/
raw version of the image along with the JPEG compressed version in the
same container.

So long,
Thomas
.

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