I don't see artifacts.

Gorgeous shot!

Cheers,
frank

Attila Boros <[email protected]> wrote:
>Here is the original for reference: http://500px.com/photo/52192954
>There are noticeable jpeg artifacts around the edges of the clouds
>caused by recompression after I upload the image. AFAIK all sites do
>this and it rarely causes problems.
>
>After some research and experimenting I found a way to get rid of
>those ugly artifacts:
>
>1.) Switch to Lab color mode.
>2.) Make a selection around the areas with fine detail which will
>cause problems after uploading.
>3.) Select the a and b channels and apply blur. (I used Gaussian Blur,
>but others might work as well).
>
>The radius applied was a trial and error process and I re-uploaded the
>photo many times. Since 500px doesn't allow re-uploading, I used 1x.
>Here is the new version: http://1x.com/photo/371588/
>
>I found that by blurring only the color components and not the
>lightness channel I can retain detail and it helps to keep the
>recompression process from messing up the image.
>
>P.S. I'm now testing 1x.com so if you find any annoying behavior like
>nag screens, popups, slow loading, etc. please let me know.
>
>--
>Attila

“Analysis kills spontaneity.” -- Henri-Frederic Amiel



-- 
PDML Pentax-Discuss Mail List
[email protected]
http://pdml.net/mailman/listinfo/pdml_pdml.net
to UNSUBSCRIBE from the PDML, please visit the link directly above and follow 
the directions.

Reply via email to