import cv2
import numpy as np
from matplotlib import pyplot as plt

#01.
# img = cv2.imread('horse_1.bmp')
# gray = cv2.cvtColor(img,cv2.COLOR_BGR2GRAY)
# corners = cv2.goodFeaturesToTrack(gray,25,0.01,10)
# corners = np.int0(corners)
#
# for i in corners:
#     x,y = i.ravel()
#     cv2.circle(img,(x,y),3,255,-1)
# plt.figure(figsize=(20,15))
# plt.imshow(img)
# plt.show()
