Compare Image

http://stackoverflow.com/questions/1460239/library-that-identifies-similar-images

http://www.pureftpd.org/project/libpuzzle
http://appsrv.cse.cuhk.edu.hk/~jkzhu/felib.html


http://mindmeat.blogspot.sg/2008/11/java-image-comparison.html
http://mindmeat.blogspot.sg/2008/07/java-image-comparison.html


http://www.lac.inpe.br/JIPCookbook/6050-howto-compareimages.jsp#howtohowdoicomparetwoimagestoseeiftheyareequalaverysimplealgorithmtocompareimagesforipossibleisimilaritywithoutconsideringthehighlevelcontents