#!/usr/bin/env python
# -*- coding: utf-8 -*-

import numpy as np
import cv2

 # 读入两张图片并转换为灰度图
img1 = cv2.imread('cumt_logo.png',cv2.IMREAD_GRAYSCALE) 
img2 = cv2.imread('cumt_lib.png',cv2.IMREAD_GRAYSCALE)

# 初始化检测器
orb = cv2.AKAZE_create()
# 寻找关键点和描述子
kp1, des1 = orb.detectAndCompute(img1,None)
kp2, des2 = orb.detectAndCompute(img2,None)

# 绘制关键点   
out_img1 = cv2.drawKeypoints(img1, kp1, img1.copy(), (0, 0, 255))
out_img2 = cv2.drawKeypoints(img2, kp2, img2.copy(), (0, 0, 255))

cv2.imshow('img1', out_img1)
cv2.imshow('img2', out_img2)
cv2.imwrite("fig9-13a.png",out_img1)
cv2.imwrite("fig9-13b.png",out_img2)

cv2.waitKey(0)
cv2.destroyAllWindows()