Python 14. OpenCV 2D卷积

img = cv2.imread('pic2.PNG')

kernel = np.ones((5, 5), np.float32)/25

# 2D卷积，低通滤波
dst = cv2.filter2D(img, -1, kernel)

cv2.imshow('img', img)
cv2.imshow('dst', dst)

cv2.waitKey(0)
cv2.destroyAllWindows()