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Mean distance in the feature space to the closest match. (a) Manhattan distance; (b) Euclidean distance; (c) Minkowsky3 distance; (d) Minkowsky5 distance; (e) Mahalanobis distance; (f) Matusita distance; (g) Neyman distance; (h) Sorensen distance; (i) Cosine similarity; (j) Additive Symmetric distance.
