This is a perceptual image hash calculation tool based on algorithm descibed in Block Mean Value Based Image Perceptual Hashing by Bian Yang, Fan Gu and Xiamu Niu.
Build and install
Blockhash requires libmagickwand. On Debian/Ubuntu it can be installed using the following command:
sudo apt-get install libmagickwand-dev
On Fedora and friends:
sudo dnf install ImageMagick-devel
To build blockhash cd to the source directory and type:
./waf configure ./waf
The program binary will land in
./build. To install it to
blockhash [list of images] for calculating hashes.
blockhash --help for the list of options.
Copyright 2014 Commons Machinery http://commonsmachinery.se/
Distributed under an MIT license, please see LICENSE in the top dir.