Modul com.github.hypfvieh.java.utils

Package com.github.hypfvieh.imaging

Klasse ImageCompare

java.lang.Object

com.github.hypfvieh.imaging.ImageCompare

public class ImageCompare
extends Object

Konstruktorübersicht

Konstruktoren

Konstruktor	Beschreibung
ImageCompare()

Methodenübersicht

Modifizierer und Typ	Methode	Beschreibung
static int	calcHammingDistance(String _left, String _right)	Calculate the hamming distance of the two given strings.
static int	compareWith(IImgHash _hasher, File _img1, File _img2)	Calculate hashes for _img1 and _img2 using _hasher and return the hamming distance as result.

Von Klasse geerbte Methoden java.lang.Object

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

Konstruktordetails

ImageCompare

public ImageCompare()

Methodendetails

compareWith

public static int compareWith(IImgHash _hasher,
 File _img1,
 File _img2)

Calculate hashes for _img1 and _img2 using _hasher and return the hamming distance as result.

Parameter:

_hasher - hash implemenation to use

_img1 - first image

_img2 - second image

Gibt zurück:

distance score

calcHammingDistance

public static int calcHammingDistance(String _left,
 String _right)

Calculate the hamming distance of the two given strings. String must have the same length!

For further explanation about the Hamming Distance, take a look at its Wikipedia page at http://en.wikipedia.org/wiki/Hamming_distance.

Parameter:

_left - first checksum

_right - second checksum

Gibt zurück:

distance score

Löst aus:

IllegalArgumentException - if strings do not have same length

NullPointerException - if either _left or _right string is null