vigra::metrics Namespace Reference

Define functors for various common metrics. More...

Classes
class	Metric
	Functor to compute a metric between two vectors. More...

Enumerations
enum	MetricType {   ChiSquaredMetric =0, HellingerMetric =1, SquaredNormMetric =2, NormMetric =3,   L2Norm =NormMetric, ManhattanMetric =4, L1Norm =ManhattanMetric, SymetricKlMetric =5,   BhattacharyaMetric =6 }
	Tags to select a metric for vector distance computation. More...

Detailed Description

Define functors for various common metrics.

Enumeration Type Documentation

enum MetricType

Tags to select a metric for vector distance computation.

Enumerator
ChiSquaredMetric	chi-squared distance for histograms (sum of squared differences normalized by means)
HellingerMetric	Hellinger distance (Euclidean distance between the square-root vectors)
SquaredNormMetric	squared Euclidean distance
NormMetric	Euclidean distance (L2 norm)
L2Norm	Euclidean distance (L2 norm)
ManhattanMetric	Manhattan distance (L1 norm)
L1Norm	Manhattan distance (L1 norm)
SymetricKlMetric	symmetric Kullback-Leibler divergence
BhattacharyaMetric	Bhattacharya distance (sum of elementwise geometric means)