Traditional image enhancement is to define corresponding gray transform function according to gray distribution of the image.
传统的图像增强处理是针对图像灰度分布的不同情况，来定义相应的灰度变换函数。
We have showed that the Radon transform of the cross Wigner distribution function is a separable multiplication of fractional Fourier transform of these functions.
分析了交叉魏格纳分布函数中的拉冬变换是这些函数中分数傅里叶变换的可分乘法。
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