基于特征定位的数字图像盲水印技术
COMPUTER ENGINEERING(2007)
Abstract
提出了一种基于小波变换的特征定位数字水印算法,利用图像自身特性,在小波系数低频子带中提取特征点作为水印嵌入位置的索引.该技术适合于水印盲检测,仿真表明,算法在检测时定位精度很高,基本不受水印嵌入的影响,具有很好的透明性和鲁棒性,实用性也较高.
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Key words
blind watermark technology,digital image
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