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Out-of-Distribution (OOD) Data

[aʊt ʌv dɪstrɪˈbjuʃən ˈdeɪtə]
Machine Learning
Last updated: December 9, 2024

Definition

Data points that come from a different distribution than the training data.

Detailed Explanation

OOD data represents samples that differ significantly from the distribution of the training data. These samples can lead to unreliable predictions and should be detected and handled appropriately. Detection methods include density estimation uncertainty quantification and ensemble disagreement analysis.

Use Cases

Autonomous systems medical imaging robotic control

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