MATLAB File Help: cv.SURF/NOctaves Index
cv.SURF/NOctaves

The number of a gaussian pyramid octaves that the detector uses.

It is set to 4 by default. If you want to get very large features, use the larger value. If you want just small features, decrease it.

Property Details
Constant false
Dependent true
Sealed false
Transient false
GetAccess 'public'
SetAccess 'public'
GetObservable false
SetObservable false