■サンプルコード
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import cv2 import numpy as np from matplotlib import pyplot as plt img = cv2.imread('maru.png',0) edges = cv2.Canny(img,100,200) plt.subplot(121) plt.imshow(img,cmap = 'gray') plt.title('input image') plt.subplot(122) plt.imshow(edges,cmap = 'gray') plt.title('canny image') plt.show() |
■実行結果
