文章基本信息

标题：Digital Image Blind Watermarking Using DCT and DWT and Comparison on Both Techniques.
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作者：Gupta, V. ; Awasthi, A ; Kshirsagar, Y 等
期刊名称：International Journal of Electronics Communication and Computer Engineering
印刷版ISSN：2249-071X
电子版ISSN：2278-4209
出版年度：2012
卷号：3
期号：5
页码：1059-1062
出版社：IJECCE
摘要：The paper aims comparison of digital blind water marking technique using discrete cosine transform (DCT) and discrete wavelet transform (DWT). Both the methods are widely used among all the methods used for watermarking techniques like spatial domain techniques. Comparison between the two methods stated above has been done in terms of recovery time, Peak signal to noise ratio and NC. The simulation results show that DWT technique has faster recovery time and greater PSNR numerically. The comparison results are being shown at the end
关键词：Blind Watermark; DCT; DWT; PSNR; NC