com.github.hypfvieh.imaging

Class ImgPHash

java.lang.Object

com.github.hypfvieh.imaging.AbstractImgHash

com.github.hypfvieh.imaging.ImgPHash

public class ImgPHash
extends AbstractImgHash

Class which implements PHash (perceptual hash) algorithm to create hashes of images.

Since:

1.0.6 - 2018-10-09

Author:

hypfvieh

Method Summary

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

Methods inherited from class com.github.hypfvieh.imaging.AbstractImgHash

bitmaskToHex, createPixelArray, createPixelArrayMatrix, resizeAndGrayScale

Methods inherited from class java.lang.Object

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

Method Detail

computeHash

public static String computeHash(File _image)
                          throws IOException

Compute the PHash 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