Representation of activity in images using geospatial temporal graphs
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United States of America Patent
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May 1, 2018
Issued Date -
N/A
app pub date -
Sep 8, 2015
filing date -
Sep 8, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
Various technologies pertaining to modeling patterns of activity observed in remote sensing images using geospatial-temporal graphs are described herein. Graphs are constructed by representing objects in remote sensing images as nodes, and connecting nodes with undirected edges representing either distance or adjacency relationships between objects and directed edges representing changes in time. Activity patterns may be discerned from the graphs by coding nodes representing persistent objects like buildings differently from nodes representing ephemeral objects like vehicles, and examining the geospatial-temporal relationships of ephemeral nodes within the graph.
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