Class ImgHashBase

The base class for image hash algorithms

Inheritance

System.Object

DisposableObject

DisposableCvObject

Algorithm

ImgHashBase

AverageHash

BlockMeanHash

ColorMomentHash

MarrHildrethHash

PHash

RadialVarianceHash

Implements

ICvPtrHolder

Inherited Members

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(Boolean)

DisposableObject.DisposeManaged()

DisposableObject.AllocGCHandle(Object)

DisposableObject.AllocMemory(Int32)

DisposableObject.NotifyMemoryPressure(Int64)

DisposableObject.ThrowIfDisposed()

Namespace: OpenCvSharp.ImgHash

Assembly: OpenCvSharp.dll

Syntax

public abstract class ImgHashBase : Algorithm, ICvPtrHolder

Methods

Compare(InputArray, InputArray)

Compare the hash value between inOne and inTwo

Declaration

public virtual double Compare(InputArray hashOne, InputArray hashTwo)

Parameters

Type	Name	Description
InputArray	hashOne	Hash value one
InputArray	hashTwo	Hash value two

Returns

Type	Description
System.Double	value indicate similarity between inOne and inTwo, the meaning of the value vary from algorithms to algorithms

Compute(InputArray, OutputArray)

Computes hash of the input image

Declaration

public virtual void Compute(InputArray inputArr, OutputArray outputArr)

Parameters

Type	Name	Description
InputArray	inputArr	input image want to compute hash value
OutputArray	outputArr	hash of the image

Implements

ICvPtrHolder