ImageHash 0.2

Image Hashing library

ImageHash
===========

A image hashing library written in Python. ImageHash supports:

* average hashing (`aHash`_)
* perception hashing (`pHash`_)
* difference hashing (`dHash`_)

Requirements
-------------
Based on PIL Image, numpy and scipy.fftpack (for pHash)
Easy installation through `pypi`_.

Basic usage
------------
::

>>> import Image
>>> import ImageHash
>>> hash = ImageHash.average_hash(Image.open('test.png'))
>>> print hash
d879f8f89b1bbf
>>> otherhash = ImageHash.average_hash(Image.open('other.bmp'))
>>> print otherhash
ffff3720200ffff
>>> print hash == otherhash
False
>>> print hash - otherhash
36

Demo script find_similar_images illustrates how to find similar images in a directory.

Source hosted at github: https://github.com/JohannesBuchner/imagehash

.. _pHash: http://www.hackerfactor.com/blog/index.php?/archives/432-Looks-Like-It.html
.. _dHash: http://www.hackerfactor.com/blog/index.php?/archives/529-Kind-of-Like-That.html
.. _pypi: https://pypi.python.org/pypi/ImageHash