python X光片读取（OpenCV+matplotlib）

import cv2 as cv, matplotlib.pyplot as plt
def show(filename):
    image = cv.imread(filename)
    plt.title("KidBoneImage")
    plt.imshow(image)
if __name__ == '__main__':
    FileName1 = "1.png"
    plt.subplot(2,2,1)
    show(FileName1)
    plt.subplot(2,2,2)
    FileName2 = "2.png"
    show(FileName2)
    plt.subplot(2, 2, 3)
    FileName3 = "3.png"
    show(FileName3)
    plt.subplot(2, 2, 4)
    FileName4 = "4.png"
    show(FileName4)
    plt.show()