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I want to use SIFT algorithm for feature detection.

asked 2017-09-22 13:53:41 -0500

biplob gravatar image

updated 2017-09-22 14:02:59 -0500

I want to use SIFT algorithm for feature detection on windows 10,but when i write cv2.SIFT().It gets wrong.Message "module has no attribute 'SIFT()' ". So how can i use it?

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opencv version ? (api changed in ocv3)

berak gravatar imageberak ( 2017-09-23 01:05:28 -0500 )edit

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answered 2017-09-22 20:43:36 -0500

supra56 gravatar image

Try this for python 3:

import cv2
import numpy as np

img = cv2.imread('home.jpg')
gray= cv2.cvtColor(img,cv2.COLOR_BGR2GRAY)

sift = cv2.SIFT()
kp = sift.detect(gray,None)

img=cv2.drawKeypoints(gray,kp)

cv2.imwrite('sift_keypoints.jpg',img)
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Asked: 2017-09-22 13:53:41 -0500

Seen: 119 times

Last updated: Sep 22 '17