摘要
数字水印是嵌入在数字图象中看不见的的标记,以此来保证数字图象的版权不受侵犯。文章提出一种基于离散小波变换的图象水印化方法,用这种方法加入的水印图象不受图象旋转、放大和弹性变形的影响。
A digital watermark is an invisible mark embedded in a digital image that may be used for copyright protection. This paper proposes that Discrete Wavelet_Transform_based invariants can be used for digital image watermarking. The embedded marks may be designed to be unaffected by any combination of rotation,scale and translation transformation.
出处
《微电子学与计算机》
CSCD
北大核心
2001年第6期49-51,共3页
Microelectronics & Computer
基金
陕西省自然科学基金资助(2000X11)
