Search Results for author: Sebastian G. Gruber

Found 6 papers, 4 papers with code

Optimizing Estimators of Squared Calibration Errors in Classification

no code implementations9 Oct 2024 Sebastian G. Gruber, Francis Bach

In this work, we propose a mean-squared error-based risk that enables the comparison and optimization of estimators of squared calibration errors in practical settings.

Classification Decision Making +2

Disentangling Mean Embeddings for Better Diagnostics of Image Generators

1 code implementation2 Sep 2024 Sebastian G. Gruber, Pascal Tobias Ziegler, Florian Buettner

The evaluation of image generators remains a challenge due to the limitations of traditional metrics in providing nuanced insights into specific image regions.

Image Generation

Consistent and Asymptotically Unbiased Estimation of Proper Calibration Errors

no code implementations14 Dec 2023 Teodora Popordanoska, Sebastian G. Gruber, Aleksei Tiulpin, Florian Buettner, Matthew B. Blaschko

Proper scoring rules evaluate the quality of probabilistic predictions, playing an essential role in the pursuit of accurate and well-calibrated models.

scoring rule

Uncertainty Estimates of Predictions via a General Bias-Variance Decomposition

1 code implementation21 Oct 2022 Sebastian G. Gruber, Florian Buettner

In this work we introduce a general bias-variance decomposition for proper scores, giving rise to the Bregman Information as the variance term.

Classification Out-of-Distribution Detection

Better Uncertainty Calibration via Proper Scores for Classification and Beyond

2 code implementations15 Mar 2022 Sebastian G. Gruber, Florian Buettner

With model trustworthiness being crucial for sensitive real-world applications, practitioners are putting more and more focus on improving the uncertainty calibration of deep neural networks.

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