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karcher mean

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riemannian manifold (2) nonlinear alignment (1) non-asymptotic analysis (1) nonlinear signal alignment (1) random time-warping (1) fisher-rao metric (1) random matrix theory (1) functional data (1) symmetric positive definite matrix (1) distributed pca (1)

Papers

Random matrix theory improved Fréchet mean of symmetric positive definite matrices ICML 2024 Statistical Analysis of Karcher Means for Random Restricted PSD Matrices AISTATS 2023 Recursive Estimation of the Stein Center of SPD Matrices and Its Applications ICCV 2013 Signal Estimation Under Random Time-Warpings and Nonlinear Signal Alignment NeurIPS 2011