Constructor
obj = cv.SURF()
obj = cv.SURF(..., 'OptionName',optionValue, ...)
Options
- HessianThreshold Threshold for hessian keypoint detector
used in SURF. default 100
- NOctaves Number of pyramid octaves the keypoint detector
will use. default 4
- NOctaveLayers Number of octave layers within each octave.
default 3
- Extended Extended descriptor flag (true: use extended
128-element descriptors; false: use 64-element
descriptors). default false
- Upright Up-right or rotated features flag (true: do not
compute orientation of features; false: compute
orientation). default false