수중 인공구조물에 대한 사이드스캔소나 탐사자료의 영상처리
Digital Image Processing of Side Scan Sonar for Underwater Man-made Structure
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초록
Side scan sonar using acoustic wave plays a very important role in the underwater, sea floor, and shallow marine geologic survey. In this study, we have acquired side scan sonar data for the underwater man-made structures, artificial reefs and fishing grounds, installed and distributed in the survey area. We applied digital image processing techniques to side scan sonar data in order to improve and enhance an image quality. We carried out digital image processing with various kinds of filtering in spatial domain and frequency domain. We tested filtering parameters such as kernel size, differential operator, and statistical value. We could easily estimate the conditions, distribution and environment of artificial structures through the interpretation of side scan sonar.
Abstract
Side scan sonar using acoustic wave plays a very important role in the underwater, sea floor, and shallow marine geologic survey. In this study, we have acquired side scan sonar data for the underwater man-made structures, artificial reefs and fishing grounds, installed and distributed in the survey area. We applied digital image processing techniques to side scan sonar data in order to improve and enhance an image quality. We carried out digital image processing with various kinds of filtering in spatial domain and frequency domain. We tested filtering parameters such as kernel size, differential operator, and statistical value. We could easily estimate the conditions, distribution and environment of artificial structures through the interpretation of side scan sonar.
참고문헌 (6)
- 김성렬, "Side Scan Sonar 탐사자료의 영상처리와 해저면 Backscattering 음향특성", The Journal of the Oceanological Society of Korea, 22(3), pp.143~152 (1987)
- 서상일, "수심을 고려한 사이드스캔소나 자료의 보정 및 해저면 분류를 위한 영상분할", Journal of the Korean Society of Remote Sensing, 13(2) (1997)
- Chew Ai Ling, "Automatic detection and classification of man-made targets in side scan sonar images", Underwater Technology and Workshop on Scientific use of Submarine Cables and Related Technologies Symposium, 통권 : 17, pp.126~132 (2007), IEEE
- 류희영, "위성영상 및 지구물리 영상자료의 호모몰픽 필터링 적용", 한국지구과학회지, 26(1), pp.58~65 (2005), 한국지구과학회
- 이동진, "고해상도 사이드스캔소나 영상의 보정 및 매핑알고리즘의 개발", Journal of the Korean Society of Remote Sensing, 17(1), pp.45~56 (2001)
- 김성렬, "Side Scan Sonar 실무이론과 현장조사에 적용", 한국마린엔지니어링학회 학술대회 논문집 (2006)