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