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An investigation of digital image wa...

Cao, Jian-Guo.

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An investigation of digital image watermarking technique based on RDWT.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	An investigation of digital image watermarking technique based on RDWT./
作者:	Cao, Jian-Guo.
面頁冊數:	57 p.
附註:	Major Professor: Nicholas H. Younan.
Contained By:	Masters Abstracts International39-01.
標題:	Computer Science. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1400703
ISBN:	0599873469

An investigation of digital image watermarking technique based on RDWT.
Cao, Jian-Guo.

An investigation of digital image watermarking technique based on RDWT. - 57 p.

Major Professor: Nicholas H. Younan.

Thesis (M.S.)--Mississippi State University, 2000.

The rapid growth of the Internet and digital multimedia makes communication easier and more extensive than before. People can make and share products quickly and electronically. This presents a strong demand for the protection of copyright and intellectual property for audio, video, image, and document. Image watermarking is a technique that plays a very important role in protecting the copyright of image data.

ISBN: 0599873469Subjects--Topical Terms:

626642
Computer Science.

An investigation of digital image watermarking technique based on RDWT.
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520 $a The rapid growth of the Internet and digital multimedia makes communication easier and more extensive than before. People can make and share products quickly and electronically. This presents a strong demand for the protection of copyright and intellectual property for audio, video, image, and document. Image watermarking is a technique that plays a very important role in protecting the copyright of image data.
520 $a In this research, a digital image watermarking technique based on the redundant discrete wavelet transform (RDWT) method in the transform domain is investigated. The performance and robustness of this technique is tested through common image processing operations, such as filtering, requantization, halftoning, and common still image compression techniques such as JPEG, etc. Simulation results show that the watermark added by this technique can survive most of the distortions coming from general image processing operations used in this study. Comparisons between this technique and other techniques based on the transform domain methods such as discrete cosine transform (DCT) and discrete wavelet transform (DWT) are also provided.
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