BUILDING FOOTPRINT EXTRACTION APPARATUS, METHOD AND COMPUTER PROGRAM PRODUCT
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United States of America Patent
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app pub date -
Feb 21, 2017
filing date -
Sep 23, 2011
priority date (Note) -
Abandoned
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Abstract
A system, method and computer program product cooperate to extract a building footprint from other data associated with a property. Imagery data of real property is input to a computing device, the imagery data containing a plurality of parcels. A processing circuit detects contrasts of candidate man-made structures on a parcel of the plurality of parcels. The candidate man-made structures are then associated with the parcel. A building footprint is then extracted by distinguishing a man-made structure on said parcel from natural terrain, recognizing that man-made structures when viewed from above generally show a strong contrast from background terrain. Remaining candidate man-made structures are removed by observing that they having features inconsistent with predetermined extraction logic.
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