質問編集履歴
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ソースコード、エラーコード貼りました
test
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test
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@@ -15,3 +15,29 @@
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python3.7.7
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opencv-contrib-python 4.2.0.34
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ソースコード
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import cv2
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import numpy as np
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img = cv2.imread("gakko1a.jpg")
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gray=cv2.cvtColor(img,cv2.COLOR_BGR2GRAY)
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sift = cv2.xfeatures2d.SIFT_create()
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エラーコード
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OpenCV(4.2.0) C:\projects\opencv-python\opencv_contrib\modules\xfeatures2d\src\sift.cpp:1210: error: (-213:The function/feature is not implemented) This algorithm is patented and is excluded in this configuration; Set OPENCV_ENABLE_NONFREE CMake option and rebuild the library in function 'cv::xfeatures2d::SIFT::create'
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