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1·A novel algorithm for image authentication in ridgelet domain is presented.

提出了一种在脊波变换域上进行图像认证的新算法。

2·One kind of Modified Orthonormal Finite Ridgelet Transform was brought forward.

提出了一种改进型正交有限脊波分析的图像去噪算法。

3·Nevertheless, the smaller size of sub image also results to clearer block effect, and the fusion results achieved by ridgelet will also approximate to wavelet transform.

但是，分割尺寸越小，重构图像的块状效应越明显，而且分割越小图像所表示的方向也越少，效果也近似于小波变换。

4·The first is based on ridgelet transform, it inherits the advantage of wavelet ICA and can improved the separation performance for the mixed images with notable line feature.

该算法保留了小波ICA的特点，同时由于脊波可以有效表述直线的特性，提高了具有明显线特征的混合图像的分离精度。