导包：
import numpy as np
import cv2
import matplotlib.pyplot as plt
def show(image):
plt.imshow(image)
plt.axis('off')
plt.show()
def imread(image):
image=cv2.imread(image)
image=cv2.cvtColor(image,cv2.COLOR_BGR2RGB)
return image
import numpy as np
import cv2
import matplotli
