Class MarrHildrethHash

Namespace

OpenCvSharp.ImgHash

Assembly

OpenCvSharp.dll

Base class for high-level OpenCV algorithms

public class MarrHildrethHash : ImgHashBase, IDisposable, ICvPtrHolder

Inheritance

object

DisposableObject

DisposableCvObject

Algorithm

ImgHashBase

MarrHildrethHash

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

MarrHildrethHash(nint)

protected MarrHildrethHash(nint p)

Parameters

p nint

Properties

Alpha

int scale factor for marr wavelet (default=2).

public float Alpha { get; set; }

Property Value

float

Scale

int level of scale factor (default = 1)

public float Scale { get; set; }

Property Value

float

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(float, float)

Create BlockMeanHash object

public static MarrHildrethHash Create(float alpha = 2, float scale = 1)

Parameters

alpha float

int scale factor for marr wavelet (default=2).

scale float

int level of scale factor (default = 1)

Returns

MarrHildrethHash

DisposeManaged()

Releases managed resources

protected override void DisposeManaged()

SetKernelParam(float, float)

public void SetKernelParam(float alpha = 2, float scale = 1)

Parameters

alpha float

int scale factor for marr wavelet (default=2).

scale float

int level of scale factor (default = 1)