AI X/Twitter Jun 23, 2026 2 min read
Sparse 3D capture fails where the camera never looked. NVIDIA Research says ArtiFixer generates hundreds of frames in one pass and beats prior methods by 1-3 dB PSNR on common benchmarks.
#diffusion-models
RSS FeedSciences Hacker News Mar 31, 2026 2 min read
A March 28 essay on the Hamilton-Jacobi-Bellman equation drew Hacker News attention by showing how continuous-time control theory connects reinforcement learning, optimal control, and diffusion models.
LLM Reddit Mar 1, 2026 2 min read
A r/MachineLearning project post (score 71, 12 comments) introduced <code>Micro Diffusion</code>, a minimal implementation inspired by <code>Microgpt</code>. The author released three versions (143-line NumPy, 292-line NumPy, 413-line PyTorch) that share the same diffusion loop while swapping denoisers.