理想高通滤波实现Python opencv示例

理想高通滤波实现 python opencv import numpy as np import cv2 from matplotlib import pyplot as plt plt.rcParams[‘font.sans-serif']=[‘SimHei'] plt.rcParams[‘axes.unicode_minus'] = False I = cv2.imread(‘capture3.png') cv2.imshow(‘original',I) (r,g,b) = cv2.split(I) I = cv2.merge([b,g,r]) J = np.double(cv2.cvt