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Representation of activity in images using geospatial temporal graphs

Patent ·
OSTI ID:1438449
; ; ; ; ; ;
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.
Research Organization:
Sandia National Laboratories (SNL), Albuquerque, NM, and Livermore, CA (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC04-94AL85000
Assignee:
National Technology & Engineering Solutions of Sandia, LLC (Albuquerque, NM)
Patent Number(s):
9,959,647
Application Number:
14/848,165
OSTI ID:
1438449
Country of Publication:
United States
Language:
English

References (9)

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conference November 2014
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Classification and feature extraction for remote sensing images from urban areas based on morphological transformations journal September 2003
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  • Stracuzzi, David J.; Brost, Randy C.; Phillips, Cynthia A.
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journal September 2015
Trajectory parsing by cluster sampling in spatio-temporal graph conference June 2009

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