bad compression in wide skies  

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as@aeo
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bad compression in wide skies

by as@aeo » Sun Oct 06, 2013 5:55 pm

Hi,

this problem only happens with outdoor-panoramas: normally I use photomatix at the beginning of each indoor-panorama to fuse contrasts. Therefor I take the raws and build tiffs. My workflow for outside-panoramas is different, depending on the movement of trees etc. I take the jpegs and directly put them into autopano.

Every outdoor-panorama has the problem, that in the skyparts a compression-pixeling occurs or waves appere, that seperate colorfieds. I thought the jpegs are the source of the problem, but they aren't. I compared the origin single fotos with the panorama created by autopano. The compression-problem definitely happens right after/through autopano. Perhaps some different settings for the rendering will do it - but I haven't found out the right way yet. Can somebody tell me how to get out these artefacts out of my panoramas?
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mediavets
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Re: bad compression in wide skies

by mediavets » Sun Oct 06, 2013 9:05 pm

What camera and lens are you using and which version of APP/APG and on which OS?

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klausesser
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Re: bad compression in wide skies

by klausesser » Sun Oct 06, 2013 10:35 pm

might be related to sRGB and too heavy compression.
I suggest to use not less than 8 and no sRGB.

Klaus

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Re: bad compression in wide skies

by as@aeo » Mon Oct 07, 2013 3:08 pm

I use a Canon 5D Mark III with the EF 8-15mm, Autopano Giga 64bit Version 2.6.4 and Windows 7 64bit..

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Re: bad compression in wide skies

by klausesser » Mon Oct 07, 2013 3:28 pm

as@aeo wrote:I use a Canon 5D Mark III with the EF 8-15mm, Autopano Giga 64bit Version 2.6.4 and Windows 7 64bit..



Which "JPG" settings (compression grade) do you use?
Did you include a sRGB profile in your equirectangular image?

Klaus


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