JP7750405B2 - 信号処理装置および信号処理方法 - Google Patents

信号処理装置および信号処理方法

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Publication number
JP7750405B2
JP7750405B2 JP2024524135A JP2024524135A JP7750405B2 JP 7750405 B2 JP7750405 B2 JP 7750405B2 JP 2024524135 A JP2024524135 A JP 2024524135A JP 2024524135 A JP2024524135 A JP 2024524135A JP 7750405 B2 JP7750405 B2 JP 7750405B2
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JP
Japan
Prior art keywords
information
sar image
simulated
reliability
signal processing
Prior art date
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Active
Application number
JP2024524135A
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English (en)
Japanese (ja)
Other versions
JPWO2023233656A1 (https=
JPWO2023233656A5 (https=
Inventor
裕貴 山口
大地 田中
真人 戸田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
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Publication of JPWO2023233656A5 publication Critical patent/JPWO2023233656A5/ja
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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G01S13/89—Radar or analogous systems specially adapted for specific applications for mapping or imaging
    • G01S13/90—Radar or analogous systems specially adapted for specific applications for mapping or imaging using synthetic aperture techniques, e.g. synthetic aperture radar [SAR] techniques
    • G01S13/9021—SAR image post-processing techniques
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G01S13/89—Radar or analogous systems specially adapted for specific applications for mapping or imaging
    • G01S13/90—Radar or analogous systems specially adapted for specific applications for mapping or imaging using synthetic aperture techniques, e.g. synthetic aperture radar [SAR] techniques
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G01S13/89—Radar or analogous systems specially adapted for specific applications for mapping or imaging
    • G01S13/90—Radar or analogous systems specially adapted for specific applications for mapping or imaging using synthetic aperture techniques, e.g. synthetic aperture radar [SAR] techniques
    • G01S13/9021—SAR image post-processing techniques
    • G01S13/9023—SAR image post-processing techniques combined with interferometric techniques
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G01S13/89—Radar or analogous systems specially adapted for specific applications for mapping or imaging
    • G01S13/90—Radar or analogous systems specially adapted for specific applications for mapping or imaging using synthetic aperture techniques, e.g. synthetic aperture radar [SAR] techniques
    • G01S13/9021—SAR image post-processing techniques
    • G01S13/9027—Pattern recognition for feature extraction
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/70—Arrangements for image or video recognition or understanding using pattern recognition or machine learning
    • G06V10/74—Image or video pattern matching; Proximity measures in feature spaces
    • G06V10/761—Proximity, similarity or dissimilarity measures

Landscapes

  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Theoretical Computer Science (AREA)
  • Artificial Intelligence (AREA)
  • Health & Medical Sciences (AREA)
  • Computing Systems (AREA)
  • Databases & Information Systems (AREA)
  • Evolutionary Computation (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Software Systems (AREA)
  • Multimedia (AREA)
  • Radar Systems Or Details Thereof (AREA)
JP2024524135A 2022-06-03 2022-06-03 信号処理装置および信号処理方法 Active JP7750405B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2022/022634 WO2023233656A1 (ja) 2022-06-03 2022-06-03 信号処理装置および信号処理方法

Publications (3)

Publication Number Publication Date
JPWO2023233656A1 JPWO2023233656A1 (https=) 2023-12-07
JPWO2023233656A5 JPWO2023233656A5 (https=) 2025-02-06
JP7750405B2 true JP7750405B2 (ja) 2025-10-07

Family

ID=89026203

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2024524135A Active JP7750405B2 (ja) 2022-06-03 2022-06-03 信号処理装置および信号処理方法

Country Status (3)

Country Link
US (1) US20250341632A1 (https=)
JP (1) JP7750405B2 (https=)
WO (1) WO2023233656A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2024034579A (ja) * 2022-09-01 2024-03-13 日本電気株式会社 信号処理装置および信号処理方法
JP2025042199A (ja) * 2023-09-14 2025-03-27 株式会社東芝 情報処理装置、システム、方法及びプログラム

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5394151A (en) 1993-09-30 1995-02-28 The United States Of America As Represented By The Secretary Of The Navy Apparatus and method for producing three-dimensional images
JP2015094657A (ja) 2013-11-12 2015-05-18 三菱電機株式会社 合成開口レーダ信号処理装置
CN110109101A (zh) 2019-04-04 2019-08-09 电子科技大学 一种基于自适应阈值的压缩感知三维sar成像方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5394151A (en) 1993-09-30 1995-02-28 The United States Of America As Represented By The Secretary Of The Navy Apparatus and method for producing three-dimensional images
JP2015094657A (ja) 2013-11-12 2015-05-18 三菱電機株式会社 合成開口レーダ信号処理装置
CN110109101A (zh) 2019-04-04 2019-08-09 电子科技大学 一种基于自适应阈值的压缩感知三维sar成像方法

Also Published As

Publication number Publication date
US20250341632A1 (en) 2025-11-06
WO2023233656A1 (ja) 2023-12-07
JPWO2023233656A1 (https=) 2023-12-07

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