Monotemporal Change Delineation
In monotemporal change delineation, the pattern recognition routine itself functions as the
change detection algorithm, encompassing all classification and enhancement methods developed for
single-scene analysis. However, the technique relies heavily on strong assumptions about the initial state
of the land cover. Generally these assumptions are based either on available historical records such as
aerial photography and existing cartographic data, or on surrounding land parcels that are presumed to
represent the state of the land cover before the disturbance.