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Differentially Private Fréchet Mean on the Manifold of Symmetric Positive Definite (SPD) Matrices with log-Euclidean Metric.
Saiteja Utpala
Praneeth Vepakomma
Nina Miolane
Published in:
Trans. Mach. Learn. Res. (2023)
Keyphrases
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symmetric positive definite
spd matrices
riemannian manifolds
distribution function
positive definite
diffusion tensor
lie group
euclidean space
kernel matrix
face recognition
covariance matrix
mean shift
distance metric
random variables
riemannian metric
loss function
support vector machine