一种新的基于DCT的数字视频水印方案

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2022-01-01 DOI:10.1515/comp-2022-0238

A. Al-Gindy, Aya AlChikh Omar, Omar Mashal, Y. Shaker, E. Alhogaraty, S. Moussa

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引用次数: 3

摘要

摘要随着高速宽带互联网接入的出现，强烈建议有必要保护数字视频。本研究的主要目的是提出一种基于离散余弦变换（DCT）的频域水印数字视频自适应算法。水印签名图像被嵌入到视频的整个帧中。RGB帧的绿色通道被选择用于使用DCT算法的嵌入过程，因为它显示了带水印帧的推荐质量。实验结果表明，通过测试不同视频的不同强度值∆，该算法显示了水印视频的鲁棒性和高质量。它可以抵抗不同类型的攻击。

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A new watermarking scheme for digital videos using DCT

Abstract With the advent of high-speed broadband Internet access, the need to protect digital videos is highly recommended. The main objective of this study is to propose an adaptive algorithm for watermarked digital videos in the frequency domain based on discrete cosine transform (DCT). The watermark signature image is embedded into the whole frame of the video. The green channel of the RGB frame is selected for the embedding process using the DCT algorithm as it shows the recommended quality of the watermarked frames. The experiment results indicate that the proposed algorithm shows robustness and high quality of the watermarked videos by testing various strength values ∆ for different videos. It offers resistance against different types of attacks.

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.