Spline-Pullback Metric parameterizes a universal family of strictly increasing C1 diffeomorphisms on SPD matrices via monotonically constrained B-splines, subsuming prior pullback metrics while avoiding rank-swapping discontinuities.
17 C.2 Closed-form Riemannian operators Let ϕ∈ {ϕ S−SP M , ϕC−SP M } denote the chosen global diffeomorphism, and let Dϕ denote its respective differential map
1 Pith paper cite this work. Polarity classification is still indexing.
1
Pith paper citing it
fields
cs.LG 1years
2026 1verdicts
UNVERDICTED 1representative citing papers
citing papers explorer
-
Beyond Rigid Geometries: The Spline-Pullback Metric for Universal Diffeomorphic SPD Representation Learning
Spline-Pullback Metric parameterizes a universal family of strictly increasing C1 diffeomorphisms on SPD matrices via monotonically constrained B-splines, subsuming prior pullback metrics while avoiding rank-swapping discontinuities.