Creates a descriptor extractor by name.

extractor = cv.DescriptorExtractor(type)
extractor = cv.DescriptorExtractor(type, 'OptionName',optionValue, ...)

Input

• type The following extractor types are supported:
  • BRISK see cv.BRISK
  • ORB see cv.ORB (default)
  • KAZE see cv.KAZE
  • AKAZE see cv.AKAZE
  • SIFT see cv.SIFT (requires xfeatures2d module)
  • SURF see cv.SURF (requires xfeatures2d module)
  • FREAK see cv.FREAK (requires xfeatures2d module)
  • BriefDescriptorExtractor see cv.BriefDescriptorExtractor (requires xfeatures2d module)
  • LUCID see cv.LUCID (requires xfeatures2d module)
  • LATCH see cv.LATCH (requires xfeatures2d module)
  • DAISY see cv.DAISY (requires xfeatures2d module)

Options

Refer to the constructors of each descriptor extractor for a list of supported options.