NDLI: Watermarking compressed video stream over Internet

Content Provider	IEEE Xplore Digital Library
Author	Ghosh, D. Ramakrishna, K.
Copyright Year	2003
Description	Author affiliation: Dept. of Electron. & Commun. Eng., Indian Inst. of Technol., Guwahati, India (Ghosh, D.)
Abstract	As Internet is gaining popularity day by day throughout the globe, it has become necessary to protect the copyright ownership of multimedia data distributing in Internet. The technique generally used for the purpose is watermarking. This has motivated the ongoing research in watermarking. In this paper, we develop an oblivious scheme for watermarking MPEG coded video stream over Internet. The inter-frame similarity present in a video sequence is exploited to calculate the watermark to be embedded. Watermark corresponding to a region in the current frame is obtained from its best match in the previous frame. The watermark is embedded during the coding process thereby keeping the overall computational overhead minimum. The algorithm has been tested in terms of the watermarked video quality and its capability in extracting the author's signature (watermark bits). We have also tested the robustness of the proposed scheme against noise attack. Results obtained demonstrate the efficiency of the proposed method.
Sponsorship	Telekon Malaysia Berhad
Starting Page	711
Ending Page	715
File Size	398469
Page Count	5
File Format	PDF
ISBN	0780381149
DOI	10.1109/APCC.2003.1274450
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-09-21
Publisher Place	Malaysia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Watermarking Video compression Streaming media Internet Protection Testing Image coding Robustness Frequency domain analysis Wavelet transforms
Content Type	Text
Resource Type	Article

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