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Title:
SYNTHETIC APERTURE RADAR SIGNAL ANALYSIS DEVICE, SYNTHETIC APERTURE RADAR SIGNAL ANALYSIS METHOD, AND SYNTHETIC APERTURE RADAR SIGNAL ANALYSIS PROGRAM
Document Type and Number:
WIPO Patent Application WO/2019/220574
Kind Code:
A1
Abstract:
A synthetic aperture radar signal analysis device 20 is provided with: an extraction unit 21 that extracts a stable reflection point from time-series data acquired through observation, by a synthetic aperture radar, of a region to be observed from a prescribed observing direction; a generation unit 22 that generates a cluster which is a collection of stable reflection points on the basis of the extracted stable reflection point corresponding to the observing direction; an association unit 23 that associates the generated cluster corresponding to the prescribed observing direction with a structure indicated by map data corresponding to the region to be observed; and a synthesis unit 24 that performs vector-synthesis of displacement rates for a plurality of the clusters each corresponding to the observing direction associated with the structure.

Inventors:
IKEFUJI DAISUKE (JP)
TANAKA TAICHI (JP)
HOSHUYAMA OSAMU (JP)
Application Number:
PCT/JP2018/018948
Publication Date:
November 21, 2019
Filing Date:
May 16, 2018
Export Citation:
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Assignee:
NEC CORP (JP)
International Classes:
G01S13/90
Foreign References:
JP2017072473A2017-04-13
CN104111456A2014-10-22
US20160320479A12016-11-03
CN108153979A2018-06-12
Other References:
TANAKA ET AL.: "Persistent Scatterer Clustering for Structure Displacement Analysis Based on Phase Correlation Network", 2017 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS, 23 July 2017 (2017-07-23) - 4 December 2017 (2017-12-04), pages 4618 - 4621, XP033275496, ISSN: 2153-7003
TOFANI ET AL.: "Persistent Scatterer Interferometry (PSI) Technique for Landslide Characterization and Monitoring", REMOTE SENSING, vol. 5, no. 3, 1 March 2013 (2013-03-01), pages 1045 - 1065, XP055654214, ISSN: 2072-4292
UEHARA, MASAFUMI ET AL.: "Construction of Wide Scope Urban Scene Model using Digital Map", IEICE TECHNICAL REPORT, vol. 99, no. 450, 20 November 1999 (1999-11-20), pages 73 - 78, ISSN: 0913-5685
KAMIYA, TOSHIYUKI ET AL.: "Reconstruction of building block level 3D urban landscape from aerial photograph", PROCEEDINGS OF THE 64TH NATIONAL CONVENTION OF IPSJ, 12 March 2002 (2002-03-12), pages 767 - 770
HOSHUYAMA, OSAMU ET AL.: "Persistent Scatter Clustering Using Correlation Graph for Structure Displacement Analysis", PROCEEDINGS OF THE 2017 IEICE GENERAL CONFERENCE: COMMUNICATION 1, 7 March 2017 (2017-03-07), pages 224, ISSN: 1349-1369
Attorney, Agent or Firm:
IWAKABE Fuyuki et al. (JP)
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