= Wasserstein metric
{wiki=Wasserstein_metric}
The Wasserstein metric, also known as the Wasserstein distance or Earth Mover's Distance (EMD), is a measure of the distance between two probability distributions on a given metric space. It originates from the field of optimal transport and has applications in various areas, including statistics, machine learning, and image processing. \#\#\# Key Concepts: 1. **Probability Distributions**: The Wasserstein metric is defined for two probability distributions \\( P \\) and \\( Q \\) on a metric space.
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