[x3d-public] sideways diffusion?

[John Carlson]

Back in 1985-1986, after being introduced to monte carlo ray tracing, my
professor, Ken Joy, made me aware of monte carlo work another student, Ben
Garlick, was doing, adding “raindrop”  noise to a terrain to make it more
realistic.

I am wondering if this sideways noise is being used in current diffusion
models.  Especially motion diffusion and giving the pictures a painted look.

How might the volume rendering part of X3D be used with diffusion?

Ben went on to work at SGI and NVIDIA, and last I heard, was at Grail,
probably pursuing a similar idea with cancer detection.
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