A spatial extent of neighbouring pixels (e.g. 2x2 or 5x5 pixels). The base of a segment.

See Also Segment, Pixel, Tile.

A picture element. The smallest unit of acquisition.

See Also Cell, Segment, Tile.

A temporal stack of cells. The processing unit of the GRASP algorithm.

See Also Cell, Pixel, Tile.

A set of neighbouring segments, that can be loaded together in memory. The processing unit of the GRASP framework.

See Also Cell, Pixel, Segment.