KR101736899B1 - 선박 식별 방법 - Google Patents
선박 식별 방법 Download PDFInfo
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- KR101736899B1 KR101736899B1 KR1020140139726A KR20140139726A KR101736899B1 KR 101736899 B1 KR101736899 B1 KR 101736899B1 KR 1020140139726 A KR1020140139726 A KR 1020140139726A KR 20140139726 A KR20140139726 A KR 20140139726A KR 101736899 B1 KR101736899 B1 KR 101736899B1
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- 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
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/04—Systems determining presence of a target
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- 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
- G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
- G01S13/76—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted
- G01S13/78—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted discriminating between different kinds of targets, e.g. IFF-radar, i.e. identification of friend or foe
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Abstract
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Claims (8)
- 선박 식별 방법에 있어서,
선박을 포함하는 소정 영역에 대한 합성개구레이더(SAR) 데이터를 수신하는 단계와;
상기 선박으로부터 선박자동식별장치(AIS) 데이터가 수신되는 경우, 상기 선박자동식별장치(AIS) 데이터에 기초하여 선박 데이터베이스를 이용하여 선박을 분류하여 선박식별작업을 종료하는 단계;
상기 선박으로부터 선박자동식별장치(AIS) 데이터가 수신되지 않는 경우, 상기 SAR 데이터로부터 상기 선박의 위치 및 형상 정보를 획득하여 선박 데이터베이스에 기초하여 선박을 분류하는 제1차 식별단계와;
상기 선박의 위치 및 형상 정보에 기초하여 복수 개의 템플릿과 매칭함으로써 선박을 분류하여 식별하는 제2차 식별단계를 포함하고,
상기 제2차 식별단계는,
샘플 선박에 대하여 서로 상이한 방위각을 가지는 복수 개의 이미지 데이터를 포함하는 복수 개의 제1템플릿과 상기 SAR데이터로부터 획득된 선박의 위치 및 형상 정보를 매칭하는 제1서브 식별단계; 및
레이 트레이싱 방법 및 산란 기법에 기초하여 상기 샘플 선박에 대한 이미지 시뮬레이션을 수행하여 상기 이미지 시뮬레이션 수행 결과로 생성된 이미지 데이터를 포함하는 복수 개의 제2템플릿과 상기 SAR데이터로부터 획득된 선박의 위치 및 형상 정보를 기초로 하여 상기 이미지 시뮬레이션을 수행한 결과로 생성된 이미지 데이터를 매칭하는 제2서브 식별단계를 더 포함하고,
상기 이미지 시뮬레이션은, 프레넬 반사계수를 포함하는 산란이론을 통하여 해수면 또는 선박에 조사되어 반사되는 광선의 진폭 및 위상을 이용하여 이미지 데이터를 생성하고,
상기 이미지 시뮬레이션은, 바다의 전기적 특성, 선박 재질 및 반사 종류에 기초하여 이미지 데이터를 생성하고,
상기 복수 개의 제1템플릿은, 방위각에 기초하여 좌우 30 내지 60도 범위에서 각도 변화에 대응하여 생성되고,
상기 제1차 식별단계는,
상기 SAR 데이터로부터 상기 선박의 위치 정보, 형상 정보 및 RCS패턴정보를 획득하여 선박 데이터베이스에 기초하여 선박을 분류하는 것을 특징으로 하는 선박식별방법. - 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 제1항에 따른 선박 식별 방법을 실행시키기 위한 프로그램을 기록한 컴퓨터로 읽을 수 있는 기록매체.
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Cited By (3)
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CN110390337A (zh) * | 2019-06-27 | 2019-10-29 | 清华大学 | 一种舰船个体识别方法 |
KR102214431B1 (ko) | 2019-10-02 | 2021-02-09 | 한국해양과학기술원 | 미식별 선박의 이동 속도 추정 시스템 및 방법 |
US11501119B2 (en) | 2020-02-24 | 2022-11-15 | Electronics And Telecommunications Research Institute | Apparatus and method for identifying warship |
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RU2638939C1 (ru) * | 2016-08-17 | 2017-12-19 | Федеральное государственное унитарное предприятие "Государственный научно-исследовательский институт авиационных систем" | Способ радиолокационного распознавания кораблей |
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