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FPGA prototyping of a watermarking a...

Cai, Wei.

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FPGA prototyping of a watermarking algorithm for MPEG-4.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	FPGA prototyping of a watermarking algorithm for MPEG-4./
作者:	Cai, Wei.
面頁冊數:	108 p.
附註:	Advisers: Elias Kougianos; Saraju P. Mohanty.
Contained By:	Masters Abstracts International46-02.
標題:	Engineering, Electronics and Electrical. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1446576
ISBN:	9780549176787

FPGA prototyping of a watermarking algorithm for MPEG-4.
Cai, Wei.

FPGA prototyping of a watermarking algorithm for MPEG-4. - 108 p.

Advisers: Elias Kougianos; Saraju P. Mohanty.

Thesis (M.S.)--University of North Texas, 2007.

In the immediate future, multimedia product distribution through the Internet will become main stream. However, it can also have the side effect of unauthorized duplication and distribution of multimedia products. That effect could be a critical challenge to the legal ownership of copyright and intellectual property. Many schemes have been proposed to address these issues; one is digital watermarking which is appropriate for image and video copyright protection.

ISBN: 9780549176787Subjects--Topical Terms:

626636
Engineering, Electronics and Electrical.

FPGA prototyping of a watermarking algorithm for MPEG-4.
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245 1 0 $a FPGA prototyping of a watermarking algorithm for MPEG-4.
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500 $a Source: Masters Abstracts International, Volume: 46-02, page: 1063.
502 $a Thesis (M.S.)--University of North Texas, 2007.
520 $a In the immediate future, multimedia product distribution through the Internet will become main stream. However, it can also have the side effect of unauthorized duplication and distribution of multimedia products. That effect could be a critical challenge to the legal ownership of copyright and intellectual property. Many schemes have been proposed to address these issues; one is digital watermarking which is appropriate for image and video copyright protection.
520 $a Videos distributed via the Internet must be processed by compression for low bit rate, due to bandwidth limitations. The most widely adapted video compression standard is MPEG-4. Discrete cosine transform (DCT) domain watermarking is a secure algorithm which could survive video compression procedures and, most importantly, attacks attempting to remove the watermark, with a visibly degraded video quality result after the watermark attacks. For a commercial broadcasting video system, real-time response is always required. For this reason, an FPGA hardware implementation is studied in this work.
520 $a This thesis deals with video compression, watermarking algorithms and their hardware implementation with FPGAs. A prototyping VLSI architecture will implement video compression and watermarking algorithms with the FPGA. The prototype is evaluated with video and watermarking quality metrics. Finally, it is seen that the video qualities of the watermarking at the uncompressed vs. the compressed domain are only 1dB of PSNR lower. However, the cost of compressed domain watermarking is the complexity of drift compensation for canceling the drifting effect.
590 $a School code: 0158.
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710 2 $a University of North Texas. $3 1017396
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