OpenCV 4.7 Java DescriptorExtractor and DescriptorMatcher are missing, what do I use instead, no code in documenation

Android/Java
2

undeclared crosspost:

first, I’d recommend SIFT and AKAZE over ORB.

just instantiate the thing you want directly, using its create() method.

https://docs.opencv.org/4.x/javadoc/org/opencv/features2d/ORB.html

matchers… use FLANN. also create().

https://docs.opencv.org/4.x/javadoc/org/opencv/features2d/FlannBasedMatcher.html