public ORB_GPU(
	int nFeatures = 500,
	float scaleFactor = 1.2f,
	int nLevels = 8,
	int edgeThreshold = 31,
	int firstLevel = 0,
	int WTA_K = 2,
	ORB_GPUScoreType scoreType = ORB_GPUScoreType.XRow,
	int patchSize = 31
)

Public Sub New ( 
	Optional nFeatures As Integer = 500,
	Optional scaleFactor As Single = 1.2F,
	Optional nLevels As Integer = 8,
	Optional edgeThreshold As Integer = 31,
	Optional firstLevel As Integer = 0,
	Optional WTA_K As Integer = 2,
	Optional scoreType As ORB_GPUScoreType = ORB_GPUScoreType.XRow,
	Optional patchSize As Integer = 31
)

public:
ORB_GPU(
	int nFeatures = 500, 
	float scaleFactor = 1.2f, 
	int nLevels = 8, 
	int edgeThreshold = 31, 
	int firstLevel = 0, 
	int WTA_K = 2, 
	ORB_GPUScoreType scoreType = ORB_GPUScoreType::XRow, 
	int patchSize = 31
)

new : 
        ?nFeatures : int * 
        ?scaleFactor : float32 * 
        ?nLevels : int * 
        ?edgeThreshold : int * 
        ?firstLevel : int * 
        ?WTA_K : int * 
        ?scoreType : ORB_GPUScoreType * 
        ?patchSize : int 
(* Defaults:
        let _nFeatures = defaultArg nFeatures 500
        let _scaleFactor = defaultArg scaleFactor 1.2f
        let _nLevels = defaultArg nLevels 8
        let _edgeThreshold = defaultArg edgeThreshold 31
        let _firstLevel = defaultArg firstLevel 0
        let _WTA_K = defaultArg WTA_K 2
        let _scoreType = defaultArg scoreType ORB_GPUScoreType.XRow
        let _patchSize = defaultArg patchSize 31
*)
-> ORB_GPU