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Endemoniada

Temporally Smoothing SSAO ?

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Hi guys,

 

I found only two practical articles on temporal smoothing and they leave a lot out.

 

I read this:

 

"To combine them, we simply took previous ssao buffer (so it became effectively accumulation texture), took offset based on motion vectors, read it and after deciding on rejection or acceptance (smooth weight) combined them together with a fixed exponential decay (weight of 0.9 for history accumulation buffer on acceptance, it got down to zero on rejection) and output the AO."

 

I don't know what motion vectors are, or how to accept/reject data based on them. The article makes it seem so simple.

 

I can use any info you may think is helpful.

 

Thanks.

 

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