Lucky Iyinbor (@Luckyballa) / X

Lucky Iyinbor

1,246 posts

Lucky Iyinbor

@Luckyballa

Machine Learning | Physics Simulation | Geometry Processing | Computer Graphics MTS at @skildai

San Francisco, CA

shadertoy.com/user/luckyballa

Joined June 2012

Pinned
Lucky Iyinbor
@Luckyballa
Apr 27
This January, I decided to give it a shot and wrote my first paper Today, I am happy to share that it was accepted by #SIGGRAPH2026 SAD is a differentiable image representation with soft, anisotropic partitioning, with up to 20x faster encoding time🧵 luckyiyi.github.io/SAD/index.html
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Lucky Iyinbor
@Luckyballa
Jul 17, 2024
Found some time to add scene collisions to my Vision Pro playground, and I did not expect this level of accuracy!
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Lucky Iyinbor
@Luckyballa
Jun 11, 2024
I migrated my experiment to the brand new LowLevelMesh API and fixed the pinch gesture, feels good! One benefit of using this API instead of hacks is that shadow casting now works properly, adding a great deal of realism ↓
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Lucky Iyinbor
@Luckyballa
Jul 18, 2024
Many have asked about the API enabling this level of interaction — it's called SceneReconstructionProvider.
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Lucky Iyinbor
@Luckyballa
Aug 8, 2024
I'm happy to share my new open-source Vision Pro example project called «Photons». It's a particle simulation demo that literally gives you superpowers!
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Lucky Iyinbor
@Luckyballa
Dec 24, 2024
SDF Sphere Packing 🔮 shadertoy.com/view/M3cyWH
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Lucky Iyinbor
@Luckyballa
Jun 3, 2025
So Flow Matching is *just* xt = mix(x0, x1, t) loss = mse((x1 - x0) - nn(xt, t)) Nice, here it is in a fragment shader :) shadertoy.com/view/tfdXRM
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Lucky Iyinbor
@Luckyballa
Dec 30, 2024
Amazing article about smooth minimum functions by iq iquilezles.org/articles/smin/
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Lucky Iyinbor
@Luckyballa
Jun 1, 2025
I am weirdly obsessed with closest point query algorithms in physics, geometry and recently ML applications On GPU you care about memory access and data locality, so you want spatial neighbors to be close in 1D index space. Same is desired for attention mechanics, because you
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Lucky Iyinbor
@Luckyballa
Jun 4, 2025
Just got reminded about this paper called «Geometry Distributions» It uses diffusion, but it’s not about geometry generation, rather it’s a way to represent it. The “dataset” here is just a set of surface points Core idea is to look at the surface as a mapping from a Gaussian
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Lucky Iyinbor
@Luckyballa
Jan 22, 2025
Implementing research papers is always fun Spent a few days building this one from scratch – time well spent, learned a ton along the way «Dynamic Skeletonization Via Variational Medial Axis Sampling» – fully GPU-driven, obviously
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Lucky Iyinbor
@Luckyballa
Jul 17, 2024
Replying to @Luckyballa
My dog is probably tired of seeing me waving my hands and pinching the air 😁
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Lucky Iyinbor
@Luckyballa
Aug 8, 2024
It took way too much time to publish the project, all because I spent 20% coding and 80% having fun 😂
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Lucky Iyinbor
@Luckyballa
May 29, 2025
New day, new paper «e𝑓unc: An Efficient Function Representation Without Neural Networks» It looks math-heavy, but it’s not that complicated Core idea is to swap an MLP with a bunch of small analytic patches, store them in a grid, and then perform global weighted interpolation
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