About

image_comparison looks through pairs of images and deletes duplicates.
Outputs a csv file containing information about similarities between pairs.
Requires a folder of images and a csv file containing the name of the images to be compared.

Requirements & Installation

Python 3.4+ and pgmagick.

Windows

Download an unofficial binary for pgmagick.

• http://www.lfd.uci.edu/~gohlke/pythonlibs/#pgmagick

Add Python's installation path to Window's Environment Variables.

• Right click 'My Computer' --> Properties --> Advanced system settings --> Environment Variables

• Create a new System Variable named PYTHON_HOME with value C:\Python36 (Or whatever the installation path is for Python).

• Edit the System Variable PATH and add ;%PYTHON_HOME%\;%PYTHON_HOME%\Scripts\ to the end

Open cmd.exe as Administrator and type pip install <whl file>
E.g. pip install pgmagick-0.7.3-cp36-cp36m-win_amd64.whl

Linux

package install on Ubuntu:

Ubuntu11.10+
$ apt-get install python-pgmagick

Ubuntu10.04+
$ apt-get install libgraphicsmagick++1-dev
$ apt-get install libboost-python1.40-dev

package install on Fedora:

$ yum install GraphicsMagick-c++-devel
$ yum install boost-devel

GraphicsMagick from source package:

$ ./configure --enable-shared=yes
$ make && make install

Install to:

$ pip install pgmagick

MacOSX

on MacOSX 10.11.6: via homebrew and pip

$ brew install graphicsmagick
$ brew install boost-python --with-python3
$ pip install pgmagick

Instructions

• Open cmd or terminal

cmd

C:\WINDOWS\system32> python <location of image_comparison.py> <location of csv file> <location of image folder>

E.x.

C:\WINDOWS\system32> python "C:\Users\First Last\Desktop\img\image_comparison.py" "C:\Users\First Last\Desktop\imagetest.csv" "C:\Users\First Last\Desktop\images"

Terminal

Make the script executable

$ chmod +x image_comparison.py

cd to the directory containing the program and then type

$ python3 image_comparison.py <location of csv file> <location of image folder>

E.x.

$ python3 image_comparison.py /Users/name/Documents/imagetest.csv /Users/name/Documents/images

Note:

• The input csv file should be in the format: abc.png,xyz.png
• In Terminal, depending on the version of Python, use either python or python3
• Ubuntu may require it to be ran as sudo
• Terminal alternative $ ./hello.py <location of csv file> <location of image folder>