| itk | Hashtable class, used to implement the hashed associative containers itk_hash_set, itk_hash_map, itk_hash_multiset, and itk_hash_multimap |
| itk::Concept | |
| itk::Concept::Detail | |
| itk::fem | Contains finite element modeling (FEM) classes and support routines |
| itk::ImageToImageFilterDetail | |
| otb | The "otb" namespace contains all Orfeo Toolbox (OTB) classes There are several nested namespaces withing the otb:: namespace |