QuadSync recovers n cameras from quadrifocal tensors by showing the block tensor admits a Tucker decomposition of multilinear rank (4,4,4,4) independent of n and solving it with ADMM and IRLS, while also enabling joint synchronization with trifocal and bifocal tensors.
The ideal of the trifocal variety.Mathematics of Computation, 83(289):2553–2574,
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QuadSync: Quadrifocal Tensor Synchronization via Tucker Decomposition
QuadSync recovers n cameras from quadrifocal tensors by showing the block tensor admits a Tucker decomposition of multilinear rank (4,4,4,4) independent of n and solving it with ADMM and IRLS, while also enabling joint synchronization with trifocal and bifocal tensors.