import numpy as np
import cv2
import matplotlib.pyplot as plt
# 读取图片
img = cv2.imread('source/data_01.png')
orb = cv2.ORB_create()

keypoints, descriptors = orb.detectAndCompute(img, None)

output_image = cv2.drawKeypoints(img, keypoints, None, color=(0, 255, 0), flags=0)
cv2.imshow('Feature KeyPoints', output_image)
cv2.waitKey(0)
cv2.destroyWindow()