Canny边缘检测

Canny边缘检测

img = cv2.imread('../res/lena.jpg',cv2.IMREAD_GRAYSCALE)

v1=cv2.Canny(img,80,150)
v2=cv2.Canny(img,50,100)

result1=np.hstack((v1,v2))
cv2.imshow('result',result1)
cv2.waitKey(0)
cv2.destroyAllWindows()

代码运行结果：

img = cv2.imread('../res/car.png')

v1=cv2.Canny(img,120,250)
v2=cv2.Canny(img,50,100)

result2=np.hstack((v1,v2))
cv2.imshow('result',result2)
cv2.waitKey(0)
cv2.destroyAllWindows()

原始图像：

代码运行结果：