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Title: Apparatus, system and method for highlighting activity-induced change in multi-pass synthetic aperture radar imagery

Abstract

Described herein are various technologies relating to constructing a differenced change product (DCP) image. A plurality of synthetic aperture radar (SAR) images of a scene are generated based upon radar signals directed towards and reflected off of the scene, and a plurality of coherence change detection (CCD) images of the scene are generated based upon the SAR images. The CCD images are registered with one another, and their pixel values re-scaled according to a monotonic mapping function. The DCP image is generated based upon a computed pixel-wise difference between a pair of the re-scaled CCD images. The DCP image identifies locations in the scene where human activity-induced change is likely to have occurred between a pair of SAR passes of the scene.

Inventors:
;
Issue Date:
Research Org.:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA)
OSTI Identifier:
1651085
Patent Number(s):
10698104
Application Number:
15/936,806
Assignee:
National Technology & Engineering Solutions of Sandia, LLC (Albuquerque, NM)
Patent Classifications (CPCs):
G - PHYSICS G01 - MEASURING G01S - RADIO DIRECTION-FINDING
G - PHYSICS G06 - COMPUTING G06T - IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
DOE Contract Number:  
NA0003525
Resource Type:
Patent
Resource Relation:
Patent File Date: 03/27/2018
Country of Publication:
United States
Language:
English

Citation Formats

Simonson, Katherine M., and Perkins, David Nikolaus. Apparatus, system and method for highlighting activity-induced change in multi-pass synthetic aperture radar imagery. United States: N. p., 2020. Web.
Simonson, Katherine M., & Perkins, David Nikolaus. Apparatus, system and method for highlighting activity-induced change in multi-pass synthetic aperture radar imagery. United States.
Simonson, Katherine M., and Perkins, David Nikolaus. Tue . "Apparatus, system and method for highlighting activity-induced change in multi-pass synthetic aperture radar imagery". United States. https://www.osti.gov/servlets/purl/1651085.
@article{osti_1651085,
title = {Apparatus, system and method for highlighting activity-induced change in multi-pass synthetic aperture radar imagery},
author = {Simonson, Katherine M. and Perkins, David Nikolaus},
abstractNote = {Described herein are various technologies relating to constructing a differenced change product (DCP) image. A plurality of synthetic aperture radar (SAR) images of a scene are generated based upon radar signals directed towards and reflected off of the scene, and a plurality of coherence change detection (CCD) images of the scene are generated based upon the SAR images. The CCD images are registered with one another, and their pixel values re-scaled according to a monotonic mapping function. The DCP image is generated based upon a computed pixel-wise difference between a pair of the re-scaled CCD images. The DCP image identifies locations in the scene where human activity-induced change is likely to have occurred between a pair of SAR passes of the scene.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2020},
month = {6}
}

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Works referenced in this record:

Mobile coherent change detection ground penetrating radar
patent, July 2014


Reduced-bias multi-resolution coherent change detection
patent, July 2019


Terrain detection and classification using single polarization SAR
patent, January 2016


Estimating pixel variances in the scenes of staring sensors
patent, January 2012


Image registration with uncertainty analysis
patent, March 2011