Digital image information hiding technology simulation, for a picture now converted to gray image, will then be hidden image is added to the sample, adding salt and pepper noise attack, finally will restore the picture.

鏁板瓧鍥惧儚闅愯棌
..................\Attack1.m
..................\Attack2.m
..................\Attack3.m
..................\DeScrambling_Arnold.m
..................\exwmark.m
..................\Main_Test.m
..................\Orignal.jpg
..................\out.jpg
..................\psnr.m
..................\Scrambling_Arnold.m
..................\w.jpg
..................\wex.jpg
..................\wtmark.m

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