数字图像水印技术的评价

YMER Digital Pub Date : 2022-08-20 DOI:10.37896/ymer21.08/72
Leena Jain
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引用次数: 0

摘要

数字多媒体通信的发展面临着数字数据的安全性和真实性问题。数据安全术语被描述为通过利用不同的攻击技术、方法和技巧来保护信息或数字数据免受任何攻击。如果黑客在不完全了解水印的嵌入算法、检测器和构成的情况下无法将水印移除,那么水印系统就是安全的。本文介绍了图像水印及其各种技术的研究概况。从调查中得出的结论是,没有一种技术在所有领域都有效。关键词:CZT, DWT,图像水印,负选择算法,奇异值分解
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EVALUATION OF DIGITAL IMAGE WATERMARKING TECHNIQUES
The advancing world of digital multimedia communication is facing problems linked to security and authenticity of digital data. The data security term is described as protecting information or digital data against any attack that may be performed by utilizing different attacking technologies, methods and techniques. A watermark system is reported to be secure, if the hacker cannot take away the watermark without full knowledge of embedding algorithm, detector and composition of watermark. This paper has shown the survey on image watermarking and its various techniques. From the survey it has been concluded that none of the technique performs effectively in all fields. Keywords— CZT, DWT, Image Watermarking, Negative Selection Algorithm, SVD
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