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Occlusion culling paper

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Hello, I wrote my Master's Thesis a while back on the topic of online occlusion culling. The paper is basically a theoretical introduction to the field followed by a comparative study of some recent developments, including the "Coherent Hierarchical Culling"- and "Near Optimal Hierarchical Culling"-algorithms. The source code for the testbench program with which performance comparisons were made includes example implementation of the CHC and NOHC algorithms, something that at least I couldn't find on the internet at the time. Since I had a lot of help from Gamedev.net (I even quote some forum threads), I thought I would give something back - the paper might be interesting for someone doing occlusion culling research. The paper is at: http://www.abo.fi/~jstaffan/occlusion

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Great work :-)
Do you plan to enhance the testbench with textures and shaders? you have written about this in the Conclusion-chapter...

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Thanks!

Unfortunately I never seem to find the time to develop the application further, although it would be nice. Maybe one day..

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wasnt there another finnish guy who was into occlusion a few years ago?
is it a finnish thing?

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You're probably referring to Timo Aila who was involved in dPVS, an occlusion culling framework developed a few years ago. He also did a PhD thesis on the same subject.

I never met the guy but one of my supervisors is an old friend of his, the computer graphics circles are small in Finland :-) I don't think occlusion culling is a "Finnish thing", there's a lot of other stuff going on as well.

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This is freaking cool ... we need more posts like this :-). Your paper is instructive and a good read.

- Wolfgang

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I've only just glanced over it so far, but it seems very complete and well written.

Thanks for this

All the best,
ViLiO

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i too, i skimmed through the paper, + it was easy to understand, very well written

Quote:
You're probably referring to Timo Aila who was involved in dPVS

yeah i think thats the one (he struck me as a smart guy)
http://www.umbra.fi/
why isnt it used more?

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