[Bf-committers] GSoC 2017 - Cycles Motion Blur Improvements
letterrip at gmail.com
Sun Apr 2 16:30:25 CEST 2017
My apologies that was a copy and paste error regarding that paper - that
wasn't the link I meant to provide, deeply apologize for the error and
On Sun, Apr 2, 2017 at 7:20 AM, Sergey Sharybin <sergey.vfx at gmail.com>
> 1. Guess the technique is called Sampled motion blur, combined with the
> importance sample over the camera shutter time.
> 2. I do not see how those algorithms are connected to motion blur and also
> not clear which exact algorithm you're referring to. Is it a generic
> quesiton or you see how this is applicable for motion blur?
> 3. I'm not aware of algorithms which could improve motion blur in Cycles,
> but there are lots of rather technical tricks you can do to reduce render
> time and motion blur looking better:
> - Some adaptive criteria for motion blur steps, so we don't do steps in BVH
> for cases when something barely moves
> - Use traverse-time interpolation of motion BVH nodes (or at least
> investigate whether this gives and improvements)
> - Support multi-step object motion blur
> - Support curved/scale motion blur
> On Sun, Apr 2, 2017 at 9:43 AM, Natalevich Mikhail <natalevichmv at gmail.com
> > Good morning.
> > Thanks to LetterRip for providing useful papers. I would lke to know more
> > about Cycles motion blur to be able to work on it, so have a few
> > 1. What algorithm is used in Cycles for motion blur now?
> > 2. Is it good enough to use the algorithm decsribed in the paper (link on
> > jcgt.org <http://jcgt.org/published/0003/01/02/paper.pdf>) for the
> > improvement of Blender?
> > 3. Do you know even better algorithms? (I will, of course, examine this
> > topic comprehensively later, but there's not enough time before the
> > deadline)
> > Thank you in advance,
> > Michael Natalevich
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> With best regards, Sergey Sharybin
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