期刊名称：International Journal of Engineering and Computer Science
印刷版ISSN：2319-7242
出版年度：2014
卷号：3
期号：11
页码：9215-9218
出版社：IJECS
摘要：Watermarking is the process of embedding data called a watermark into a multimedia object such that watermark can bedetected or extracted later to make an assertion about the object. The multimedia object may be an audio, image or video. The aim may be toprovide data authentication, data integrity, copyright and so on, depending upon the need. Watermarking can be done either in spatialdomain or in frequency domain, the latter one proves to be more efficient than working in the spatial domain. Working with thewatermarking in frequency domain requires transformation tools and in this paper we will discuss these various techniques giving morestress on wavelet transforms.
