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arXiv Computer Vision By Yulin Wang, Mengting Hu, Hongli Li, Jianghao Zhou, Chen Luo

WAPR: A Foundation Model for Wide-Angle Refinement in Unseen Object Pose Estimation

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WAPR is a zero‑shot wide‑angle pose refinement model that can correct candidate 6D poses with rotational errors up to 90°, achieving fast inference (≤1 s per frame) and high throughput (≈25 detections per second). It leverages rotational symmetry priors to canonicalize pose targets and introduces the SA6D dataset, which augments 944 GSO scans into ~50 k object instances and ~2 M RGB‑D images. Experiments on seven BOP core datasets demonstrate that WAPR sets new state‑of‑the‑art performance for unseen‑object pose estimation in both fast and unconstrained settings.

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