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01 ·How Transformers Work·★ MEMBER·PAPER·10 min read Paper Walkthrough: Stop Anchoring to Frame One — Scal3R's Multi-Reference Relative Pose Query Long videos make online 3D reconstruction collapse. This paper traces the cause to extrapolation against a fixed first-frame anchor and fixes it by adding roughly 1% of trainable tokens to a frozen backbone. Explained from zero. 02 ·★ MEMBER·PAPER·14 min read Paper Walkthrough: Eleven Frames Are Enough — Revisiting Local Context for Long-Horizon Streaming 3D Reconstruction How do you track a camera and rebuild a scene from a video that never ends? ABot-Recon throws away long-range memory entirely and bets on the last twelve frames. A ground-up walkthrough of the paper.