Create 5

5/1.py

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+import cv2 as cv
+
+image = cv.imread("images/lena.jpg")
+
+sift = cv.SIFT_create()  # type: ignore
+
+keypoints, descriptors = sift.detectAndCompute(image, None)
+
+image_with_keypoints = cv.drawKeypoints(image, keypoints, None)  # type: ignore
+
+cv.imshow("SIFT Keypoints", image_with_keypoints)
+cv.waitKey(0)
+cv.destroyAllWindows()

5/2.py

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+import cv2 as cv
+
+big = cv.imread("images/big.jpg")
+small = cv.imread("images/small.jpg")
+cv.imshow("big", big)
+cv.waitKey(0)
+cv.destroyAllWindows()
+cv.imshow("small", small)
+cv.waitKey(0)
+cv.destroyAllWindows()
+
+sift = cv.SIFT_create()  # type: ignore
+
+kp1, des1 = sift.detectAndCompute(big, None)
+kp2, des2 = sift.detectAndCompute(small, None)
+
+bf = cv.DescriptorMatcher_create(cv.DescriptorMatcher_BRUTEFORCE)  # type: ignore
+
+matches = bf.match(des1, des2)
+
+matches = sorted(matches, key=lambda x: x.distance)
+
+result = cv.drawMatches(big, kp1, small, kp2, matches[:15], None)  # type: ignore
+
+cv.imshow("-match", result)
+cv.waitKey(0)
+cv.destroyAllWindows()