from Hacker News

Radiant Foam: Real-Time Differentiable Ray Tracing

by w-m on 2/4/25, 11:39 AM with 23 comments

• by thih9 on 2/4/25, 3:53 PM

  At the end of the video there is a non-pinhole camera demo; could someone explain what exactly is different about this camera?

  I.e. what exactly the video is showing? And what would the video look like if that was a pinhole camera?

• by momojo on 2/5/25, 12:48 AM

  > This algorithm is much more efficient than typical ray tracing acceleration methods that rely on hierarchical acceleration structures with logarithmic query complexity.

  !?

  This is a wild claim to just slip in. Can anyone expand?

• by xnx on 2/4/25, 3:04 PM

  How is Google using all these amazing radiant field techniques they're developing?