The study on digital watermarking techniques has important practical value and practical significance for digital content.
数字水印技术的研究对数字内容的版权保护有重大实用价值和实践意义。
In the dissertation, we study two technologies of image processing based on frequency domain. The one is on digital watermarking, the other is on image compressing.
本论文主要研究了基于变换域上的两个图像处理技术,即数字水印技术和图像压缩技术。
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