parcellation

noun2

1. •
   division into parcels; especially the dividing up of a large amount of land between the inhabitants of it so that each person receives an equal amount of land.
2. •
   A map or annotation associating spatial locations (e.g., voxels) with parcel identities (e.g., anatomically or functionally circumscribed regions); the map or annotation that results from or delineates the results of parcellation