Local Shannon entropy measure with statistical tests for image randomness.pdf

InthispaperweproposeanewimagerandomnessmeasureusingShannonentropyoverlocalimageblocks.TheproposedlocalShannonentropymeasureovercomesseveralweaknessesoftheconventionalglobalShannonentropymeasure,includingunfairrandomnesscomparisonsbetweenimagesofdifferentsizes,failuretodiscernimagerandomn