Image watermarking techniques are mainly used for image copyright protection.
图像水印技术主要是用来保护图像的版权。
This paper addresses the digital image watermarking techniques based on discrete cosine transform (DCT).
本文主要研究了DCT 域的数字水印算法在静止图像中的应用问题。
In the dissertation, author discusses the relations of fractal with chaos and of fractal with wavelet, and introduces briefly the application of fractal in digital image watermarking techniques.
论文讨论了分形与混沌、分形与小波之间的关系，简要介绍了分形在数字图像水印技术中的应用。
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