Textual this kind of calculate way not only can give a position for distort and the serious degree that distort, and can is tolerant of the compression of JPEG nicely, express a certain Robust stick.

• 本文的这种算法不仅能够给出篡改的位置及篡改的严重程度,并能很好地容忍JPEG压缩,表现出一定的鲁棒性。