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Python 二维离散傅里叶变换文章目录Python 二维离散傅里叶变换需要的库计算两张图片的PSNR二维离散傅里叶变换二维离散傅里叶逆变换频域平移绘制频域图像需要的库import numpy as npimport cv2import matplotlib.pyplot as plt计算两张图片的PSNRdef PSNR(A, B): MSE = np.sum((A - ...

Python 直方图均衡文章目录Python 直方图均衡代码测试代码import numpy as npdef histequalize(X): if len(X.shape) == 2: # 判断是否为单通道 N = X.shape[0] * X.shape[1] hist_X = np.bincount(X.reshape((N, )),...