OpenCV  3.4.2
Open Source Computer Vision
Namespace List
Here is a list of all namespaces with brief descriptions:
[detail level 1234]
 Ncv
 Ncuda
 Ncudacodec
 Ncudev
 Nfunctional_detail
 Nvec_math_detail
 Ndetail
 Ndirectx
 Nocl
 Ndnn
 Ndetails
 NError
 NfisheyeThe methods in this namespace use a so-called fisheye camera model
 Nflann
 Nhal
 Nhpp
 Ninstr
 Nml
 Nocl
 Nogl
 Nocl
 Nsuperres
 Ntraits
 Nutils
 Nfs
 Nlogging
 Ninternal
 Ntrace
 Nva_intel
 Nocl
 Nvideostab
 Nviz
 Ncvflann
 Nanyimpl
 Nlsh
 NNcvCTprep