Identifiability guarantees are established for degenerate Gaussian mixtures under piecewise affine mixing, supported by a two-stage sparsity-and-Gaussianity method for latent variable recovery.
active” in each observation sample, e.g., they are captured in an image, while others are “inactive
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Identifiability of Potentially Degenerate Gaussian Mixture Models With Piecewise Affine Mixing
Identifiability guarantees are established for degenerate Gaussian mixtures under piecewise affine mixing, supported by a two-stage sparsity-and-Gaussianity method for latent variable recovery.