被懷疑的和原始的watermarked 圖像的向前二個水平分解執行恢復LL 和HH 帶。
extract descriptor from watermark with all 256 cyclic rotations method to complete the detection process. 如果事關專利建議最好別改! 恐怕會造成文章結構鬆散有瑕疵!
...nowadays society. We have compared digital signatures and digital watermarks, find though it is similar between both, but there are still valuable ...