基础知识：
图像处理——图像的傅里叶变换_langtaol的博客-CSDN博客_图像的傅里叶变换
(九)OpenCV-Python学习—图像傅里叶变换 - silence_cho - 博客园
极坐标格式下的二维傅里叶变换与逆变换：
https://blog.csdn.net/every_step/article/details/114875179
https://baijiahao.baidu.com/s?id=1701978326638381837&wfr=spider&for=pc
https://blog.csdn.net/Differoucius/article/details/121435954
https://demonstrations.wolfram.com/PolarFourierTransform/
https://download.csdn.net/download/cissychenjing/3524162?spm=1001.2101.3001.6661.1&utm_medium=distribute.pc_relevant_t0.none-task-download-2%7Edefault%7ECTRLIST%7EPaid-1.pc_relevant_default&depth_1-utm_source=distribute.pc_relevant_t0.none-task-download-2%7Edefault%7ECTRLIST%7EPaid-1.pc_relevant_default&utm_relevant_index=1
code:
图像处理之傅里叶变换 - 知乎
Image Fourier transform using Python OpenCV
Python-opencv fft、dct变换 + 幅度、相位谱结合实现艺术效果_云龙弓手的博客-CSDN博客
numpy - How to transform a FFT (Fast Fourier Transform) into a Polar Transformation with Python? - Stack Overflow
