public NormHistogramCostExtractor(
	DistType flag = DistType.L2,
	int nDummies = 25,
	float defaultCost = 0.2f
)

Public Sub New ( 
	Optional flag As DistType = DistType.L2,
	Optional nDummies As Integer = 25,
	Optional defaultCost As Single = 0.2F
)

public:
NormHistogramCostExtractor(
	DistType flag = DistType::L2, 
	int nDummies = 25, 
	float defaultCost = 0.2f
)

new : 
        ?flag : DistType * 
        ?nDummies : int * 
        ?defaultCost : float32 
(* Defaults:
        let _flag = defaultArg flag DistType.L2
        let _nDummies = defaultArg nDummies 25
        let _defaultCost = defaultArg defaultCost 0.2f
*)
-> NormHistogramCostExtractor