An improved technique for wavelet transform based watermarking in images

被引：0
|
作者：
Anbumani, K [1 ]
Jeyalakshmi, A [1 ]
机构：
[1] Deemed Univ, Sch Comp Sci & Technol, Karunya Inst Technol & Sci, Coimbatore 641114, Tamil Nadu, India
来源：
INDICON 2005 PROCEEDINGS | 2005年
关键词：
watermarking; spread spectrum; wavelet transform;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper proposes an improved wavelet transform based technique for hiding binary watermark images in gray scale cover images. Taking cue from the spread spectrum technique, the proposed method hides data in the two mid-frequency sub bands, randomly choosing between them. Exhaustive simulations show that the proposed simple technique has very good performance in the face of many signal-processing attacks.
引用
收藏
页码：32 / 34
页数：3
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