Fable created novel 4D splat format

adamraudonis 143 points 53 comments July 04, 2026
adamraudonis.github.io · View on Hacker News

Discussion Highlights (14 comments)

adamraudonis

See repo for prompt. Feel free to contribute to format or benchmarking. MIT Open Source.

xiaoyin903

https://adamraudonis.github.io/splats4D/

Lucasoato

Doesn’t with for me, iOS Safari :/

mistahchris

wow… this is seriously cool.

gcr

Something’s way off with these numbers. The page says it encodes video at 640MB/s which is quite large even for 4D data and doesn’t match the filesize of the demo splat (7.4MB / 2sec, or ≈3.4MB/s). In fact they say the raw file size of the demo splat was only 427MB, so maybe the 640MB/s was a statement about encode speed? Why write it that way instead of “this demo splat was encoded in 0.6sec” or even just “the time to produce the original splat took longer than the time to encode this video format”?

delichon

A gaussian gif. Coming to porn sites soon. The file format name works for them. But imagine whole movies shot in this format. The fly-on-the-wall fantasy of movies, without being locked in place for the whole shot. Narrative possibilities like being able to examine just how close the Tyrannosaurus Rex is to your rear view mirror. Clues in a mystery only visible on rotation. Hidden bonus scenes. I hope this catches on just to be able to watch the evolution of cameras to capture it.

goosethe

I feel like I did this one already: https://github.com/seanwevans/4splat

ACCount37

Does switching scenes in the demo work for anyone? There are what, 3 hidden panels in the HTML there? But none of them have a "switch scenes" button.

reassess_blind

Whats the 4 in the "4D" here? A layman like me thinks this looks 3D.

chmod775

The application is cool, but there is little novelty here. All of the employed techniques are well-established. I suggest removing "novel" from the title unless you wish to seriously disappoint some people.

PunchyHamster

Probably shoud've noted that say Chrome requires some flags enabled https://webgpureport.org/

refulgentis

Looks like crap, is it the format?

StilesCrisis

I'm so tired of HN putting sites on the top with zero human authorship. I have to listen to Claude-voice enough at my job.

zamalek

> a splat is static iff a single quantized value What is up with LLMs and "iff"?

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