Blender AO / AAO with HDRI images

Hi

was anybody successful with suing HDRI light probe images with
Blenders internal AO or the AAO ?

I get either black (AAO) or very noise (AAO) results.

I used various HDRI images.

Here is a reference image I was looking at the blender wiki page
http://wiki.blender.org/uploads/7/7a/Manual-AmbientOcclusion-SkyTex.jpg
http://wiki.blender.org/index.php/Manual/Ambient_Occlusion

any tip very much appreciated

Claas

Hmm, I have seen that before too and experimented and got this (samples 13, adaptive qmc, and rendered in 5 minutes, 28 seconds using the St. Peter’s Basilica probe. Also, I set the probe to angmap and AO to “Use Sky Texture”). I don’t really know how people don’t get so much noise in their images…
I do know Matt Ebb was working on image-based lighting (from a neat Stanford paper) back in December along with some other stuff. http://mke3.net/

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I get the same results.

Somebody told me to blurr the hdri image in photoshop

but this did not really do anything different to me.

Makes me feel like I am missing something in particular.

Claas