import  cv2   

    import numpy as np

    import matplotlib.pyplot as plt

    

    

    full = cv2.cvtColor(cv2.imread(path_full),cv2.COLOR_BGR2RGB)

    plt.figure(1)
    plt.imshow(full)
   

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

    ball = full[45:175,580:705]

    plt.figure(2)
    plt.imshow(ball)

​

​

​

​

​

​

​

​

​

​

​

​

    height, width, channel = ball.shape

    full_copy = full.copy()

    result = cv2.matchTemplate(full_copy, ball, cv2.TM_CCOEFF)
    

    min_val, max_val, min_loc, max_loc = cv2.minMaxLoc(result)

​

    top_left = max_loc

​

    bottom_right = (top_left[0]+width,top_left[1]+height)

    cv2.rectangle(img=full_copy, pt1=top_left, pt2=bottom_right, color=(255,0,0),thickness=5)

    plt.figure(3)
    plt.imshow(result)

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

    plt.figure(4)
    plt.imshow(full_copy)

​