Research of Digital Watermarking Algorithm Based on DCT Transform

被引：0
|
作者：
Zhang, Yinjuan [1 ]
机构：
[1] Xuchang Univ, Coll Elect & Informat Engn, Xuchang 461000, Peoples R China
来源：
ADVANCED DESIGNS AND RESEARCHES FOR MANUFACTURING, PTS 1-3 | 2013年 / 605-607卷
关键词：
Digital Watermark; Discrete Cosine Transform (DCT); Simulation; Robust;
D O I：
10.4028/www.scientific.net/AMR.605-607.2395
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In order to protect the copyright of the multi-media information effectively, this paper research a digital watermark algorithm based on DCT transform in an image. The digital watermark is embedded in the middle-frequency part of the host image to protect the original multi-media information. The simulation result shows that the hiding watermark extracted has good robustness with common signal distortion or geometric distortion and the quality of the watermarked image is guaranteed.
引用
收藏
页码：2395 / 2398
页数：4
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