期刊名称：International Journal of Computer Science and Management Studies
电子版ISSN：2231-5268
出版年度：2013
卷号：13
期号：2
出版社：Imperial Foundation
摘要：This paper reviews various digital watermarking algorithms. This paper presents both methods i.e. DCT&DWT based algorithm for watermarking in digital images. DCT based frequency domain watermarking useful in pan card, i-card of employee of companies, fingerprint identification, medical imaging where is low cost required. DWT based frequency domain watermarking mainly used when we want to transfer more confidential matter through internet to anyone.
