KR101711575B1 - 위성영상의 rpc 보정을 위한 통합기준점 탐지 방법 - Google Patents
위성영상의 rpc 보정을 위한 통합기준점 탐지 방법 Download PDFInfo
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- KR101711575B1 KR101711575B1 KR1020150184115A KR20150184115A KR101711575B1 KR 101711575 B1 KR101711575 B1 KR 101711575B1 KR 1020150184115 A KR1020150184115 A KR 1020150184115A KR 20150184115 A KR20150184115 A KR 20150184115A KR 101711575 B1 KR101711575 B1 KR 101711575B1
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Abstract
Description
본 2는 본 발명의 실시예에 따른 위성영상의 RPC 보정을 위한 통합기준점 탐지 방법의 흐름도,
도 3은 KOMPSAT-3로부터 획득한 담양군 지역의 위성 사진,
도 4는 담양군 지역의 복수의 UCP들로부터 기준 UCP(U0859)를 구하는 과정을 설명하기 위한 도면(좌측: NGII 웹사이트를 이용하여 얻은 담양군 지역의 UCP들 위치 지도(원내가 U0859), 중간: 도 3의 첫번째 영상에서의 U0859를 표시한 도면, 좌측: U0859를 cubic convolution 리샘플링 방식에 의해 확대한 도면),
도 5는 도 3의 첫번째 영상에서의 UCP들의 영상좌표 및 오차벡터를 나타낸 도면(좌측:실제 독취된 영상좌표, 우측: RPC에 의해 미리 계산된 영상좌표)이다.
Errors (unit: pixels) |
First image (6 points) |
Second image (6 poinst) |
Third image (6poinst) |
RMSE | 1.1 | 1.2 | 1.5 |
Max. error | 2.2 | 2.5 | 3.8 |
Claims (2)
- a) 위성영상으로부터 UCP(통합기준점)들을 찾고, 상기 UCP들(1~n번) 중 하나의 기준 UCP(UCP 1번)를 선정하고 이 기준 UCP(UCP 1번)의 '실제 영상좌표'를 독취하는 단계;
b) 제공된 RPC로부터 미리 계산된 상기 UCP들(1~n번)의 '계산된 영상좌표'들로부터 서로 이웃하는 UCP들간의 영상거리 및 잇는 선분의 방향을 산출하는 단계; 및,
c) 상기 산출된 영상거리 및 잇는 선분의 방향과 상기 기준 UCP(UCP 1번)의 '실제 영상좌표'를 이용하여, 기준 UCP를 제외한 나머지 UCP들(2~n번)의 '실제 영상좌표'를 기준 UCP의 이웃하는 순서대로 산출하는 단계;를 포함하는 위성영상의 RPC 보정을 위한 통합기준점 탐지 방법.
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KR1020150184115A KR101711575B1 (ko) | 2015-12-22 | 2015-12-22 | 위성영상의 rpc 보정을 위한 통합기준점 탐지 방법 |
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KR1020150184115A KR101711575B1 (ko) | 2015-12-22 | 2015-12-22 | 위성영상의 rpc 보정을 위한 통합기준점 탐지 방법 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20190026452A (ko) | 2017-09-05 | 2019-03-13 | 순천대학교 산학협력단 | 위성영상과 제공 rpc로부터 제작된 수치표고모델의 자동 오차보정 방법 |
KR102015817B1 (ko) | 2018-03-06 | 2019-08-29 | 순천대학교 산학협력단 | 입체 위성영상의 제공 rpc 자동 보정 방법 |
KR102267766B1 (ko) * | 2020-06-19 | 2021-06-23 | 한국항공우주연구원 | 위성 영상 기하보정 시스템 및 그 방법 |
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2015
- 2015-12-22 KR KR1020150184115A patent/KR101711575B1/ko not_active Expired - Fee Related
Non-Patent Citations (4)
Title |
---|
Analysis for practical use as KOMPSAT-2 imagery for product of geo-spatial information, Journal of Korean Society for Geospatial Information System 17.1 (2009) * |
KOMPSAT-3 위성영상의 RPC 보정을 위한 국가 통합기준점의 활용, 한국측량학회지 32.5 (2014) * |
KOMPSAT-3 위성영상의 RPC보정을 위한 국가 통합기준점의 활용(안기원, 이효성, 서두천, 박병욱, 정동장, 한국측량학회지 제32권 제5호, 2014.10, 539-550) |
RPC 조정에 의한 KOMPSAT-3 위성영상의 위치결정 정확도 분석, 한국측량학회지 31.6-1 (2013) * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20190026452A (ko) | 2017-09-05 | 2019-03-13 | 순천대학교 산학협력단 | 위성영상과 제공 rpc로부터 제작된 수치표고모델의 자동 오차보정 방법 |
KR101965965B1 (ko) | 2017-09-05 | 2019-08-13 | 순천대학교 산학협력단 | 위성영상과 제공 rpc로부터 제작된 수치표고모델의 자동 오차보정 방법 |
KR102015817B1 (ko) | 2018-03-06 | 2019-08-29 | 순천대학교 산학협력단 | 입체 위성영상의 제공 rpc 자동 보정 방법 |
KR102267766B1 (ko) * | 2020-06-19 | 2021-06-23 | 한국항공우주연구원 | 위성 영상 기하보정 시스템 및 그 방법 |
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