public HOGDescriptor(
	Nullable<Size> winSize = null,
	Nullable<Size> blockSize = null,
	Nullable<Size> blockStride = null,
	Nullable<Size> cellSize = null,
	int nbins = 9,
	int derivAperture = 1,
	double winSigma = -1,
	HistogramNormType histogramNormType = HistogramNormType.L2Hys,
	double l2HysThreshold = 0.2,
	bool gammaCorrection = true,
	int nlevels = 64
)

Public Sub New ( 
	Optional winSize As Nullable(Of Size) = Nothing,
	Optional blockSize As Nullable(Of Size) = Nothing,
	Optional blockStride As Nullable(Of Size) = Nothing,
	Optional cellSize As Nullable(Of Size) = Nothing,
	Optional nbins As Integer = 9,
	Optional derivAperture As Integer = 1,
	Optional winSigma As Double = -1,
	Optional histogramNormType As HistogramNormType = HistogramNormType.L2Hys,
	Optional l2HysThreshold As Double = 0.2,
	Optional gammaCorrection As Boolean = true,
	Optional nlevels As Integer = 64
)

public:
HOGDescriptor(
	Nullable<Size> winSize = nullptr, 
	Nullable<Size> blockSize = nullptr, 
	Nullable<Size> blockStride = nullptr, 
	Nullable<Size> cellSize = nullptr, 
	int nbins = 9, 
	int derivAperture = 1, 
	double winSigma = -1, 
	HistogramNormType histogramNormType = HistogramNormType::L2Hys, 
	double l2HysThreshold = 0.2, 
	bool gammaCorrection = true, 
	int nlevels = 64
)

new : 
        ?winSize : Nullable<Size> * 
        ?blockSize : Nullable<Size> * 
        ?blockStride : Nullable<Size> * 
        ?cellSize : Nullable<Size> * 
        ?nbins : int * 
        ?derivAperture : int * 
        ?winSigma : float * 
        ?histogramNormType : HistogramNormType * 
        ?l2HysThreshold : float * 
        ?gammaCorrection : bool * 
        ?nlevels : int 
(* Defaults:
        let _winSize = defaultArg winSize null
        let _blockSize = defaultArg blockSize null
        let _blockStride = defaultArg blockStride null
        let _cellSize = defaultArg cellSize null
        let _nbins = defaultArg nbins 9
        let _derivAperture = defaultArg derivAperture 1
        let _winSigma = defaultArg winSigma -1
        let _histogramNormType = defaultArg histogramNormType HistogramNormType.L2Hys
        let _l2HysThreshold = defaultArg l2HysThreshold 0.2
        let _gammaCorrection = defaultArg gammaCorrection true
        let _nlevels = defaultArg nlevels 64
*)
-> HOGDescriptor