This paper proposes an image enhancement method based on image information measure.

提出了基于图像方向信息测度的图像增强算法。

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We propose a watermarking algorithm based on image enhancement and image fusion in order that embedded watermarking information has obvious characters.

本文从数字水印的嵌入水印信息的特征角度出发，提出了一种基于图像增强和图像融合的水印算法。

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Secondly, the technique of wavelet transform can not reserve the detail of the image on the image enhancement, and when we enlarge the useful information, the noise will be increased anyway.

其次，小波变换在图像增强方面不能很好的保留图像中的细节信息，在增大有用信息的同时，不可避免地会增强噪声。

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