NDLI: The Performances Analysis of Transformation Methods in Image Watermarking Using Subsamplimg

Content Provider	IEEE Xplore Digital Library
Author	Zhaoning Zhang Xianmin Liu Zhiyuan Fan
Copyright Year	2006
Description	Author affiliation: Tianjin Key Lab for Adv. Signal Process., Civil Aviation Univ. of China, Tianjin (Zhaoning Zhang; Xianmin Liu; Zhiyuan Fan)
Abstract	We investigate the performances of different types of transformations in image watermarking algorithm using subsampling which include discrete cosine transform (DCT), discrete wavelet transform (DWT), and discrete multiwavelet transform (DMWT). The DMWT has been used as decomposition tool to obtain multiresolution data. The efficiencies of these transforms are discussed by evaluating watermarked image quality and robustness of the watermark. Due to the multiresolution representation obtained from using DWT and DMWT, the algorithms using both transforms yield better image quality than the one using DCT. Due to the fact that DMWT provides the possibility of superior performance for image processing applications, the algorithm using DMWT yields best image quality and gives the most robust watermark under common image processing. Simulated results show that the DMWT method is superior to other two methods
Starting Page	9984
Ending Page	9987
File Size	117233
Page Count	4
File Format	PDF
ISBN	1424403324
DOI	10.1109/WCICA.2006.1713950
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-06-21
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Image analysis Performance analysis Watermarking Discrete wavelet transforms Discrete cosine transforms Image quality Discrete transforms Robustness Image processing Image resolution Image watermarking Multiwavelet
Content Type	Text
Resource Type	Article

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