OpenCV  4.0.0
Open Source Computer Vision
Namespace List
Here is a list of all namespaces with brief descriptions:
[detail level 1234]
 Ncv"black box" representation of the file storage associated with a file on disk
 Naruco
 Nbgsegm
 Nbioinspired
 Nccalib
 Ncnn_3dobj
 Ncuda
 Ncudacodec
 Ncudev
 Nfunctional_detail
 Nvec_math_detail
 Ndatasets
 Ndetail
 Ndirectx
 Nocl
 Ndnn
 Ndetails
 Ndnn_objdetect
 Ndpm
 NError
 Nface
 NfisheyeThe methods in this namespace use a so-called fisheye camera model
 Nflann
 Nfreetype
 Nft
 Ngapi
 Ncompound
 Ncore
 Ncpu
 Nfluid
 Ngpu
 Nimgproc
 Nown
 Ngimpl
 Nhal
 Nhdf
 Nhfs
 Nimg_hash
 Ninstr
 Ninternal
 Nkinfu
 Nline_descriptor
 Nlinemod
 Nml
 Nmotempl
 Nmulticalib
 Nocl
 Nogl
 Nocl
 Nomnidir
 Ninternal
 Noptflow
 Novis
 Nphase_unwrapping
 Nplot
 Nppf_match_3d
 Nrandpattern
 Nreg
 Nrgbd
 Nsaliency
 Nsamples
 Nsfm
 Nstereo
 Nstructured_light
 Nsuperres
 Ntext
 Ntld
 Ntracking
 Ntraits
 Nutil
 Ndetail
 Nutils
 Nfs
 Nlogging
 Ntrace
 Nva_intel
 Nocl
 Nvideoio_registry
 Nvideostab
 Nviz
 Nxfeatures2d
 Nximgproc
 Nrl
 Nsegmentation
 Nxobjdetect
 Nxphoto
 Ncvflann
 Nanyimpl
 Nlsh
 Ncvv
 Nimpl
 Ndetail
 NNcvCTprep