机器视觉之opencv_python的坑

坑1：

Traceback (most recent call last):
  File "D:/File_PycharmProjects/ChinaHadoop_C3/ImageStiching.py", line 13, in
    (result, vis) = stitcher.stitch([imageA, imageB], showMatches=True)
  File "D:\File_PycharmProjects\ChinaHadoop_C3\Stitcher.py", line 11, in stitch
    (kpsA, featuresA) = self.detectAndDescribe(imageA)
  File "D:\File_PycharmProjects\ChinaHadoop_C3\Stitcher.py", line 44, in detectAndDescribe
    descriptor = cv2.xfeatures2d.SIFT_create()

cv2.error: OpenCV(4.1.1) D:\Build\OpenCV\opencv_contrib-4.1.1\modules\xfeatures2d\src\sift.cpp:1207: 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'

应对1：

    pip install opencv-contrib-python==4.1.0.25 --user