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Home > Archive > Paint Shop Pro support > October 2004 > Save .pspimage as .jpg





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Author Save .pspimage as .jpg
Carol and Allen Bredt

2004-10-31, 7:14 pm

After I've enhanced my photos and saved them in .pspimage format, I want to
save them as .jpg.

I plan to write them to CDR to view on another computer.

What compression factor should I use in the Save As jpg Options screen?

Thanks, Carol

--
C and A Bredt


Fred Hiltz

2004-10-31, 7:14 pm

Carol and Allen Bredt wrote:
> After I've enhanced my photos and saved them in .pspimage format,
> I want to save them as .jpg.
>
> I plan to write them to CDR to view on another computer.
>
> What compression factor should I use in the Save As jpg Options
> screen?


The best compression varies quite a bit from image to image. File >
Export > JPEG Optimizer lets you see the trade-off between size and
quality. That trade-off depends, of course, on where the image is
going. Email would require smaller size, but a CDR has plenty of
room.

For most purposes, I zoom the Optimizer's preview window to 200% and
adjust compression to the highest value that does not produce
visible artifacts there. Look for compression artifacts to show
first in two places: 1) very strong contrast edges like dark trees
against a bright sky, and 2) smoothly varying gradients like the
curves of a cheek in a close-up face.
--
Fred Hiltz, fhiltz at yahoo dot com

Kris Zaklika

2004-10-31, 7:14 pm

Carol and Allen Bredt wrote:
>
> After I've enhanced my photos and saved them in .pspimage format, I want to
> save them as .jpg.
>
> I plan to write them to CDR to view on another computer.
>
> What compression factor should I use in the Save As jpg Options screen?


The optimum compression factor depends on the content of the
image. The best approach is to use the JPEG Optimizer to preview
the effect of the compression setting on the image. Generally
a value of 10 to 15 along with a Chroma Subsampling setting of
1x1 1x1 1x1 will give good results. For more compression but
more artifacts you could try compression settings up to 20 with
Chroma Subsampling set to 2x2 1x1 1x1.

> Thanks, Carol
> --
> C and A Bredt

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