, VGGT) to estimate global poses for unordered RGB-D scans.
Zero-shot framework uses visual geometry priors for multiview RGB-D registration
PointVGGT eliminates pairwise registration by leveraging foundation model predictions and a voxelized hashing scheme for efficient, training-free alignment.
Chinese Tech
Haobo Jiang · Liang Yu · Jianmin Zheng
Nanyang Technological University · Alibaba Group
Research Digest··3 min read
The authors introduce PointVGGT, a zero-shot framework for multiview RGB-D registration that replaces the conventional pairwise-then-global paradigm with a foundation-then-refinement approach.
Why this paper
From Alibaba Group and Nanyang Technological University
In one line
PointVGGT directly estimates global poses from multiview RGB-D scans using visual geometry foundation models, achieving zero-shot registration without pairwise matching.
What we could check
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