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On Convergence of Polynomial Approximations to the Gaussian Mixture Entropy

Neural Information Processing Systems

Gaussian mixture models (GMMs) are fundamental to machine learning due to their flexibility as approximating densities. However, uncertainty quantification of GMMs remains a challenge as differential entropy lacks a closed form.






SANFlow: Semantic-Aware Normalizing Flow for Anomaly Detection and Localization

Neural Information Processing Systems

However, previous NF-based methods forcibly transform the distribution of all features into a single distribution (e.g., unit normal distribution), even when the features can have locally distinct semantic information and thus follow different