Short diff-script for tugraz' computer vision. Install ImageMagick, cd to your cv1x folder, put references in "ref" directory and create empty "diff" directory. run with: sh diff.sh

diff.sh

#!/bin/bash

for FILE in `ls ref`; do
  [ -f output/$FILE ] && echo "checking $FILE ..." && convert ref/$FILE output/$FILE -compose difference -composite -negate -contrast-stretch 0 diff/$FILE && convert diff/$FILE -format %c histogram:info:- > diff/$FILE.txt || echo "$FILE does not exist ..."
done