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.

