摘要
数字水印技术已经成为信号处理领域的一个新的研究热点。首先介绍了数字图像水印技术,以及DCT算法的相关知识,并提出了一种新的数字水印加密算法,该算法可以根据图像大小产生相应的水印信息。利用Matlab对两幅图像进行了水印嵌入和提取的仿真实验,验证了该水印算法的有效性。
The knowledge of image watermark, as well as the DCT algorithm are introduced. A new digital watermarking encryption algorithm is introduced in which the watermarking information is based on the size of the image. The digital watermark technology has become a new research hotspots in the field of signal processing. Matlab, the watermark embedding and extraction are performed on two images for verifying this watermarking algorithm.
出处
《信息技术》
2009年第8期53-56,60,共5页
Information Technology
