Extends BLASSO to multivariate GMMs with component-specific unknown diagonal covariances and derives non-asymptotic recovery guarantees under an explicit separation condition using Fisher-Rao geometry.
So if d (x,x 0)< √ 2, dg(x,x 0)2 ≤ F (d (x,x 0)) with F :y ∈ R+ ↦→ 1 2 arcosh 1 2 ( ey2 + √ e2y2 − 1 + 1 ) 1 − 1√ 2y 2
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Gaussian Mixture Model with unknown diagonal covariances via continuous sparse regularization
Extends BLASSO to multivariate GMMs with component-specific unknown diagonal covariances and derives non-asymptotic recovery guarantees under an explicit separation condition using Fisher-Rao geometry.