Class ImgDHash

java.lang.Object

com.github.hypfvieh.imaging.AbstractImgHash

com.github.hypfvieh.imaging.ImgDHash

public class ImgDHash
extends AbstractImgHash

Class which implements the DHash (difference hash) algorithm to create hashes of images.

Since:

1.0.6 - 2018-10-09

Author:

hypfvieh

Method Summary

Modifier and Type	Method	Description
static String	computeHash(File _image)	Compute the DHash of the given file (which should be a valid image).

Methods inherited from class AbstractImgHash

bitmaskToHex, createPixelArray, createPixelArrayMatrix, resizeAndGrayScale

Methods inherited from class Object

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

Method Details

computeHash

public static String computeHash(File _image)
                          throws IOException

Compute the DHash of the given file (which should be a valid image).

Parameters:

_image - image to hash

Returns:

hash string

Throws:

IOException - on any error when reading file