Research on Digital Image Watermarking Algorithm in Frequency Domain Based on Matlab

International Journal of Advanced Network, Monitoring and Controls Pub Date : 2021-01-01 DOI:10.21307/ijanmc-2021-033

Wu Hejing

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Abstract

Abstract With the rapid development of the Internet, more attention has been paid to information security and copyright issues in the network, and people's copyright awareness has gradually been set up. Based on signal processing and image processing, I have studied embedding digital watermark into DCT domain. Through people's copyright awareness has gradually been set up. The maintenance of copyright has become a hot topic, and the development of digital watermarking has solved this problem for people [1]. Thus, watermarks are embedded in color images. Before I add watermark data, I scramble the watermark data. By contrast, the watermark algorithm embedded in the DC component of the RBG model is robust. Based on signal processing and image processing, I have studied embedding digital watermark into DCT domain. Through people's copyright awareness has gradually been set up. The maintenance of copyright has become a hot topic, and the development of digital watermarking has solved this problem for people.. Thus, watermarks are embedded in color images. Before I add watermark data, I scramble the watermark data. By contrast, the watermark algorithm embedded in the DC component of the RBG model is robust.

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基于Matlab的频域数字图像水印算法研究

随着互联网的快速发展，网络中的信息安全和版权问题越来越受到人们的重视，人们的版权意识也逐渐树立起来。在信号处理和图像处理的基础上，研究了在DCT域中嵌入数字水印。通过人们的版权意识逐渐树立起来。版权的维护已经成为一个热门话题，数字水印的发展为人们解决了这个问题[1]。因此，水印被嵌入到彩色图像中。在我添加水印数据之前，我打乱了水印数据。相比之下，嵌入在RBG模型直流分量中的水印算法具有较强的鲁棒性。在信号处理和图像处理的基础上，研究了在DCT域中嵌入数字水印。通过人们的版权意识逐渐树立起来。版权的维护已经成为一个热门话题，数字水印的发展为人们解决了这个问题。因此，水印被嵌入到彩色图像中。在我添加水印数据之前，我打乱了水印数据。相比之下，嵌入在RBG模型直流分量中的水印算法具有较强的鲁棒性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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International Journal of Advanced Network, Monitoring and Controls

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