Package org.opencv.img_hash

Class MarrHildrethHash

java.lang.Object

org.opencv.core.Algorithm

org.opencv.img_hash.ImgHashBase

org.opencv.img_hash.MarrHildrethHash

public class MarrHildrethHash
extends ImgHashBase

Marr-Hildreth Operator Based Hash, slowest but more discriminative. See CITE: zauner2010implementation for details.

Field Summary

Fields inherited from class org.opencv.core.Algorithm

nativeObj

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	MarrHildrethHash(long addr)

Method Summary

Modifier and Type	Method	Description
static MarrHildrethHash	__fromPtr__(long addr)
static MarrHildrethHash	create()
static MarrHildrethHash	create(float alpha)
static MarrHildrethHash	create(float alpha, float scale)
protected void	finalize()
float	getAlpha()	self explain
float	getScale()	self explain
void	setKernelParam(float alpha, float scale)	Set Mh kernel parameters

Methods inherited from class org.opencv.img_hash.ImgHashBase

compare, compute

Methods inherited from class org.opencv.core.Algorithm

clear, empty, getDefaultName, getNativeObjAddr, save

Methods inherited from class java.lang.Object

clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

MarrHildrethHash

protected MarrHildrethHash(long addr)

Method Detail

__fromPtr__

public static MarrHildrethHash __fromPtr__(long addr)

create

public static MarrHildrethHash create(float alpha,
                                      float scale)

Parameters:

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

scale - int level of scale factor (default = 1)

Returns:

automatically generated

create

public static MarrHildrethHash create(float alpha)

Parameters:

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

Returns:

automatically generated

create

public static MarrHildrethHash create()

Returns:

automatically generated

getAlpha

public float getAlpha()

self explain

Returns:

automatically generated

getScale

public float getScale()

self explain

Returns:

automatically generated

setKernelParam

public void setKernelParam(float alpha,
                           float scale)

Set Mh kernel parameters

Parameters:

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

scale - int level of scale factor (default = 1)

finalize

protected void finalize()
                 throws java.lang.Throwable

Overrides:

finalize in class ImgHashBase

Throws:

java.lang.Throwable