compare -metric rmse input.png output.png null: will give you the rmse difference value to the terminal. you can set your own threshold for rmse value to decide if it is pass or fail or put the result in string variable and do further testing
str=`compare -metric rmse input.png output.png null: 2>&1` see compare statistics at http://www.imagemagick.org/Usage/compare/#compare _______________________________________________ Magick-users mailing list [email protected] http://studio.imagemagick.org/mailman/listinfo/magick-users
