Xuanchi Ren
@xuanchi13
Ex-Senior Research Scientist @NVIDIAAI. PhD @UofTCompSci. Working on GenAI and world models
590 Following 1.5K Followers
The latent-vs-pixel debate misses the point.
GPT Image 2 shows what users notice: pixel-level fidelity.
Latent models show what scales: compact semantic structure.
We connect them by replacing VAE/RAE decoders with a Pixel Diffusion Decoder.
Code and Model available:
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We scaled up Lyra to generate explorable 3D worlds! 🚀
Introducing Lyra 2.0 — turning a single image into a 3D world you can walk through, look back, and even drop a robot into 🤖
Code and Model available today!
🌐 Website:
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