Created
March 23, 2019 09:56
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#import required libraries | |
import cv2 | |
import numpy as np | |
import matplotlib.pyplot as plt | |
%matplotlib inline | |
#show OpenCV version | |
print(cv2.__version__) | |
#read image and convert to grayscale | |
image = cv2.imread('index.png') | |
gray = cv2.cvtColor(image,cv2.COLOR_BGR2GRAY) | |
#instantiate surf object | |
surf = cv2.xfeatures2d.SURF_create(400) | |
#calculate keypoints and their orientation | |
keypoints,descriptors = surf.detectAndCompute(gray,None) | |
with_keypoints = cv2.drawKeypoints(gray,keypoints) | |
plt.imshow(with_keypoints) |
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