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如何可视化Phase和Amplitude分量 #17
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Amplitude_L乘以一个常数后,所有像素点的幅值都等比变大,可视化图像的时候再归一化到0-255,那等比变大再变小,效果不是一样吗?怎么会变亮呢? |
请问作者给你代码了吗 |
归一化不是等比 |
类似地 直接放大低光照空域图像归一化后也是会变亮的 |
请问能提供一下相关这地方的相关代码吗 |
% 读取两幅图像 % 计算傅里叶变换 % 获取振幅谱和相位谱 % 交换振幅谱和相位谱 % 计算逆傅里叶变换 以上是基本的读取和交换过程,具体需求可以做修改,可视化我是用了mesh |
我大概能理解振幅我们知道亮度信息大部分都在这里面,把像素值都等比太高了,所以可视化的差别放大,但是具体代码怎么操作呢 |
您好,请问您方便分量一份关于论文图1(a)的代码吗?可视化Phase和Amplitude分量,并且交换低光照和正常光照的Amplitude之后,再次还原回低光照和正常光照。期待您的回复,十分感谢。邮箱:[email protected]
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