arXiv Machine Learning By Sudeepta Mondal (Mary), Xinyi (Mary), Xie, Alex Wong, Ganesh Sundaramoorthi

An Information-Theoretic Framework for Feature Construction in Out-of-Distribution Detection

Read the original on arXiv Machine Learning →

arXiv:2506. 14194v2 Announce Type: replace Abstract: We present a theory for the construction of out-of-distribution (OOD) detection features for neural networks.

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arXiv Machine Learning
Jul 15

Kernel PCA for Out-of-Distribution Detection: Non-Linear Kernel Selection and Approximation

arXiv:2505. 15284v2 Announce Type: replace Abstract: Out-of-Distribution (OoD) detection is vital for the reliability of deep neural networks, the key of which lies in effectively characterizing the disparities between OoD and In-Distribution (InD) data.

By Kun Fang, Qinghua Tao, Mingzhen He, Kexin Lv, Runze Yang, Haibo Hu, Xiaolin Huang, Jie Yang, Longbing Cao
arXiv Machine Learning
Sep 21

On the Limits of Maximal Coding Rate Reduction for Out-of-Distribution Generalisation

The paper investigates the limits of the maximal coding rate reduction (MCR²) framework for out‑of‑distribution (OOD) generalisation. It shows that MCR² can lead to complete prediction failure under distribution shift, even when a perfectly stable feature is available, and that adding invariance principles from IRM or REx does not resolve this issue. The authors conclude that additional assumptions or learning principles are needed to guarantee stable OOD predictions with MCR².

By Menghui Zhou, Gaoshan Bi, Vitaveska Lanfranchi, Po Yang