• Proceedings of the KSRS Conference
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• 2007.03a
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• pp.70-75
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• 2007

2008년 12월에 우리나라 최초의 통신해양기상위성(Communications， Oceanography and Meteorology Satellite, COMS)이 발사될 예정이다. 통신해양기상위성의 영상데이터의 기하보정을 위하여 다음과 같은 연구를 수행하였다. 기상위성은 정지궤도상에 위치하여 전지구적인 영상을 얻는다. 영상의 전지구적인 해안선은 구름 등으로 가려져서 명확한 정보를 제공할 수 없게 된다. 구름 등으로 방해되지 않는 명확한 해안선 정보를 얻기 위하여 구름 추출을 한다. 실시간으로 기상정보를 얻는 기상위성의 특성상 정합에 전체 영상을 사용하면 수행시간이 다소 소요된다. 정합시 전체 영상에서 정합을 위한 후보점 추출을 위하여 GSHHS(Global Self-consistent Hierarchical High-resolution Shoreline)의 해안선 데이터베이스를 사용하여 211 개 의 랜드마크 칩들을 구축하였다. 이때 구축된 랜드마크 칩은 실험에 사용한 GOES-9의 위치 동경 155도를 반영하여 구축하였다. 전체 영상에서 구축된 랜드마크 칩들의 위치를 중심으로 구름추출을 수행한다. 전체 211 개의 후보점 중 구름이 제거된 나머지 후보점에 대하여 정합을 수행한다. 랜드마크 칩과 위성영상 간의 정합 중 참정합과 오정합이 존재하는데 자동으로 오정합을 검출하기 위하여 강인추정기법 (RANSAC, Random Sample Consensus)을 사용한다. 이때 자동으로 판별되어 오정합이 제거된 정합결과로 최종적인 기하보정을 수행한다. 기하보정을 위한 센서모델은 GOES-9 위성의 센서특정을 고려하여 개발되었다. 정합 및 RANSAC결과로 얻어진 기준점으로 정밀 센서모델을 수립하여 기하보정을 실시하였다. 이때 일련의 수행과정을 통신해양기상위성의 실시간 처리요구사항에 맞도록 속도를 최적화하여 진행되도록 개발하였다.

• Proceedings of the Korean Association of Geographic Inforamtion Studies Conference
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• 2009.04a
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• pp.304-306
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• 2009

우리나라는 매년 자연재해로 인한 피해를 받고 있으며, 재해저감을 위한 다양한 노력들이 이루어지고 있다. 한편, 공간정보를 수집하여 이를 재해저감을 위한 방법으로 활용하고 있는 요즈음에, 통신해양기상위성의 운용에 대한 관심이 증가하고 있다. 또한 국가기상위성센터의 건립 등으로 기상산출물 이용의 활성화 방안이 요구되고 있다. 이에 공간정보를 포한한 다양한 분야에서의 기상산출물의 이용 활성화 방안에 대한 연구를 수행하였다. 기상산출물 이용의 활성화를 위하여 기존에 기상정보를 이용 현황에 대해 조사하였으며, 이를 기상분야에 국한되지 않고 공간정보를 포함한 다양한 분야에서 활용하기 위한 방안을 제시하였다.

• Proceedings of the Korean Institute of Navigation and Port Research Conference
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• 2003.05a
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• pp.75-80
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• 2003

The Ministry of Maritime Affairs ＆ Fisheries have plaining the advancing fishery information integrated system for the fishing present condition, marine resource administration and applicability considering. The fishery information communication system is build up to the raw date ＆ process-network-content. The communication system must be small size, low cost and adapted SSB transceiver, that is using fishery shipping. In this paper We present digital data communication network to exchange information for fishery and safety between fishing ship and coast station in cheeper communication free using SSB(Single Side Band) in HF(High Frequency) band.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 2011.10a
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• pp.458-461
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• 2011

IT related services are available in the shipborne and maritime area. As their service requirements are requested diversely, the safe and reliable embedded system based device needs increase. There are two categories in embedded system : communication/control system and various user interface needed service system. In this paper, we propose the classification of embedded system in the shipborne and maritime area and provide two reference embedded system platforms and their components. One is low-level embedded reference platform of communication/control system and the other is high-level embedded reference platform of user interface oriented system.

• The Journal of the Korea institute of electronic communication sciences
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• v.3 no.3
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• pp.183-187
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• 2008

In this study, proposes development present condition of fishery information communication system and development direction of communication system by fishery environment change.

• Journal of the Korea Institute of Information and Communication Engineering
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• v.7 no.1
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• pp.59-68
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• 2003

It's about time we had to think an alternative to recover our insufficient fishery market caused by IMF locally as well as the fishery agreement on Japan and China. It's essencial that we have to build up the foundation of information-oriented fishery market In order to improve the infrastructure of the market like developed countries. In this paper We present digital data communication network to exchange information for fishery and safety between fishing ship and coast station in cheeper communication fee using SSB(Sing Side Band) in HF(High Frequency) band.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 2002.11a
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• pp.288-295
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• 2002

It's about time we had to think an alternative to recover our insufficient fishery market caused by IMF locally as well as the fishery agreement on Japan and China. It's essential that we have to build up the foundation of information-oriented fishery market In order to improve the infrustructure of the market like developed countries. In this paper We present digital data communication network to exchange information for fishery and safety between fishing ship and coast station in cheeper communication fee using SSB(Sing Side Band) in HF(High Frequency) band.

• Satellite Communications and Space Industry
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• v.15 no.1
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• pp.60-67
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• 2008

• Journal of the Korea Institute of Information and Communication Engineering
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• v.20 no.8
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• pp.1596-1606
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• 2016

Today the ocean is a treasure trove of the resources that prosperous country and the passage of the trade to lead the world economy. Due to the development of the latest science and technology, human activities are increasingly expanding into the ocean from land. Modern east Asian countries have also recognized the value of the ocean and competitively pursue their own interests at sea. For this reason, the conflict between the East Asian countries is rising. On the other hand, the means of International organizations and maritime security to resolve these issues are very limited. In order to solve this problem, we should reexamine the scope and agenda of the maritime security issues, and re-evaluate the process and results of the various security cooperation which have been implemented. If we solve these problems successfully, the troubled Asian waters will be changed to 'sea of peace and prosperity'.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 2010.10a
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• pp.303-310
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• 2010

Today, about 98% of the international trade which leads the global economy is conducted at seas. This situation shows that maritime security is a key component for the stable development not only for international economy but also for the international security. Further, it suggests that the international society have reached to the stage that needs to fundamentally evaluate issues of the international maritime security cooperation and make further development. However, the international cooperation might not be an easy task to achieve because each nation faces different maritime security issues and maritime security cooperations require massive manpower and budgets due to diverse types of threats. Therefore, this paper analyzes status and issues of maritime security cooperation in vicinity of Malacca Strait and Somalian seas as key SLOCs for international economy. Based on this analysis, this paper aims to contribute to improve stability for the international economy by suggesting directions for the further development.