Class RadialVarianceHash

Namespace

OpenCvSharp.ImgHash

Assembly

OpenCvSharp.dll

Base class for high-level OpenCV algorithms

public class RadialVarianceHash : ImgHashBase, IDisposable, ICvPtrHolder

Inheritance

object

DisposableObject

DisposableCvObject

Algorithm

ImgHashBase

RadialVarianceHash

Implements

IDisposable

ICvPtrHolder

Inherited Members

ImgHashBase.Compare(InputArray, InputArray)

Algorithm.Write(FileStorage)

Algorithm.Read(FileNode)

Algorithm.Empty

Algorithm.Save(string)

Algorithm.GetDefaultName()

DisposableCvObject.ptr

DisposableCvObject.DisposeUnmanaged()

DisposableCvObject.CvPtr

DisposableObject.DataHandle

DisposableObject.IsDisposed

DisposableObject.IsEnabledDispose

DisposableObject.AllocatedMemory

DisposableObject.AllocatedMemorySize

DisposableObject.Dispose()

DisposableObject.Dispose(bool)

DisposableObject.AllocGCHandle(object)

DisposableObject.AllocMemory(int)

DisposableObject.NotifyMemoryPressure(long)

DisposableObject.ThrowIfDisposed()

object.Equals(object)

object.Equals(object, object)

object.GetHashCode()

object.GetType()

object.MemberwiseClone()

object.ReferenceEquals(object, object)

object.ToString()

Constructors

RadialVarianceHash(nint)

protected RadialVarianceHash(nint p)

Parameters

p nint

Properties

NumOfAngleLine

The number of angles to consider

public int NumOfAngleLine { get; set; }

Property Value

int

Sigma

Gaussian kernel standard deviation

public double Sigma { get; set; }

Property Value

double

Methods

Compute(InputArray, OutputArray)

Computes hash of the input image

public override void Compute(InputArray inputArr, OutputArray outputArr)

Parameters

inputArr InputArray

input image want to compute hash value

outputArr OutputArray

hash of the image

Create(double, int)

Create BlockMeanHash object

public static RadialVarianceHash Create(double sigma = 1, int numOfAngleLine = 180)

Parameters

sigma double

Gaussian kernel standard deviation

numOfAngleLine int

The number of angles to consider

Returns

RadialVarianceHash

DisposeManaged()

Releases managed resources

protected override void DisposeManaged()