• Journal of Digital Convergence
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• v.12 no.6
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• pp.35-42
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• 2014

In Korea, all investigations of maritime crime such as murder, robbery, drug trafficking, and illegal fishing that have been committed at sea are under the jurisdiction of maritime police. As maritime crimes tend to have more unique cases, cause damage on a larger scale, and be limited to evidence that is possibly contaminated, compared to non-maritime crimes, the cases demand maritime police investigators with a higher level of expertise. However, there is currently a lack of competent investigators in the maritime police, leading to the training of maritime police investigators in training agencies. so many of maritime investigators goes to land police training agency including Korean Police Investigation Academy. Therefore, in order to improve the capabilities of maritime crime investigation we must first gather information and data in relation to maritime crimes to foster more investigation specialists, and establish specialized training agencies offering a training course more focused on maritime crimes.

• 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.

• Journal of the Korea Institute of Information and Communication Engineering
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• v.12 no.10
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• pp.1773-1779
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• 2008

Images play the most important role in human perception. In order to send the image information by the digital type, the compression is essential. Recently, a lot of studies on encoding algorithms for image by wavelet transform are going on. In this paper, a quadtree-based method of image compression applied to the images decomposed by wavelet transform by using the correlations between pixels and '0' data grouping is proposed. For the proposed method, the experimental gray image with $256{\times}256$ size and 8[bit], is used. And, the performance of proposed method is evaluated to compare with DCT compression method.

• Journal of the Korea Institute of Information Security & Cryptology
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• v.23 no.3
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• pp.515-530
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• 2013

The results of investigations into marine incidents have become an important basis in determining not only possible causes, but also the extent of negligence between the perpetrator and victim. However, marine incidents occur under special circumstances i.e. the marine environment, and this leads to difficulties in identifying causes due to problems in scene preservation, reenactment and acquisition of witnesses. Given the aforementioned characteristic of marine incidents, the International Convention for the Safety of Life at Sea (SOLAS) has adopted mandatory regulations on the carriage of Voyage Data Recorders (VDRs) and Automatic Identification Systems (AIS) for ships of a certain gross tonnage and upwards, so as to reflect recent developments in radio communication and marine technology. Adopted to provide an international standard for investigations and to promote cooperation, the Code of the International Standards and Recommended Practices for a Safety Investigation into a Marine Casualty or Marine Incident (Casualty Investigation Code) recommends member states to build capacity for analysis of VDR data. Against this backdrop, this paper presents methods for efficient investigations into the causes behind marine incidents based on data analysis of VDR, which serves as the black box of ships, as well as digital forensic techniques.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 1999.11a
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• pp.82-86
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• 1999

우리 나라는 3차년도에 걸쳐 전자해도 및 수치해도를 구축하였고, 1999년도까지 우리 나라 전역에 대하여 전자해도 및 수치해도의 구축이 완료될 예정이다. 따라서, 지금까지는 데이터를 구축하는 단계였다면 이제는 데이터를 어떻게 효율적으로 관리하고, 원활하게 공급할 것인가를 고민해야한다. 현재까지 사용되어 오던 기존의 종이해도와는 전혀 다른 형태의 새로운 생산품인 전자해도는 근본적으로는 선박의 안전항해와 해난사고 예방에 초점을 두어 개발되었으나 해양정보의 공간정보화라는 측면에서 해양환경 보호 그리고 효과적인 해양행정 관리 둥 해양관련 분야에서 다양한 활용이 예상된다. 따라서 기존의 종이해도와 전혀 다른 데이터베이스 형태의 전자해도 데이터를 공급하는데 있어 기술적으로나 경제적으로 거대한 시장에 적합하고 데이터를 공급하고 사용하는 동안 그리고 전자해도 데이터를 이용한 또 다른 상품을 제작할 때 상업적 측면에서나 안전성 측면에서 데이터의 정확성과 안전성을 확보할 수 있는 공급 체계를 채택하여 이 데이터의 수요자들이 보다 좋은 품질의 공간정보와 다양한 공간정보 상품을 서비스 받을 수 있도록 하여야 한다. 본 연구에서는 디지털화된 저작물인 전자해도의 유통체계를 확립하는데 있어 국내 저작권법과 컴퓨터프로그램보호법을 기준으로 데이터의 유통에 대한 국제 상거래 관념을 비교 분석하고 외국의 전자해도 유통 사례를 비교 분석함으로써 우리 나라에 적합한 전자해도 공급체계를 제안하고자 한다.

• Proceedings of the Korean Society of Computer Information Conference
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• 2012.07a
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• pp.435-436
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• 2012

건설CALS 1998년부터 국토해양부에서 추진하고 있는 정보화사업으로 시스템의 개발 운영과 표준의 개발 운영의 2개 분야로 사업을 진행하고 있다. 건설CALS 표준은 건설정보분류체계, 전자도면작성표준, 도면정보교환표준, 전자문서표준, 디지털 수량산출 교환표준, 건설정보모델(BIM) 작성 납품 공통기준이 있다. 향후 건설CALS 표준은 건설정보 호환을 위하여 정보분류체계의 확장개발과 건설용어의 표준화, 토목분야의 BIM 활성화에 대비하는 토목BIM 표준의 개발이 필요하다.

• Journal of Digital Contents Society
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• v.19 no.7
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• pp.1289-1296
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• 2018

The e-Navigation promoted by the International Maritime Organization is a technology that provides marine-related information necessary for ship and shore side by electronic means for marine safety, security and protecting marine environment. The IHO S-100 standard is a geospatial standard that can express various hydrographic information. Various specifications including S-101 for electronic charts are being developed. In this paper, to help developers who are interested in implementing the technology of S-100, we not only analyze the process to portray the S-100 based data but also implement a case study on S-129 under keel clearance management. The portrayal process consists of data encoding and portrayal engine. Data encoding includes generation of application schema and data set. Portrayal engine is performed by the reform of the generated data set, the XSLT processing, and then the generation of drawing instructions.

• Journal of Navigation and Port Research
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• v.27 no.4
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• pp.431-436
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• 2003

It's about time we had to think an alternative to recover out insufficient fishery market caused by IMF locally as well as the fishery agreement on Japan and China. The Ministry of Maritime Affairs ＆ Fisheries have planning the advancing fishery information integrated system for the fishing present condition, marine resource administration and applicability consideration. The fishery information communication system is build up to the raw data ＆ 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 fee using SSB(single Side Band) in HF(High Frequency) band.

• Journal of the Korean Society for Marine Environment & Energy
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• v.8 no.1
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• pp.46-52
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• 2005

A marine environmental information system (MEIS) useful for optimal route planning of ships running in the ocean was developed. Utilizing the simulated marine environmental data produced by the European Center for Medium-Range Weather Forecasts based on global environmental data observed by satellites, the real-time forecast and long-term statistics of marine environments around planned and probable ship routes are provided. The MEIS consists of a land-based data acquisition and analysis system(MEIS-Center) and a onboard information display system(MEIS-Ship) for graphic description of marine information and optimal route planning of ships. Also, it uses of satellite communication system for data transfer. The marine environmental components of winds, waves, air pressures and storms are provided, in which winds are described by speed and direction and waves are expressed in terms of height, direction and period for both of wind waves and swells. The real-time information is characterized by 0.5° resolution, 10 day forecast in 6 hour interval and daily update. The statistic information of monthly average and maximum value expected for a return period is featured by 1.5° resolution and based on 15 year database. The MEIS-Ship include an editing tool for route simulation and the forecasting and statistic information on planned routes can be displayed in graph or table. The MEIS enables for navigators to design an optimal navigational route that minimizes probable risk and operational cost.

• Proceedings of the Korean Institute of Navigation and Port Research Conference
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• 2022.06a
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• pp.88-90
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• 2022

For the quality management of software developed in Marine digital AtoN Information management and service system development project, an international standard-based quality process and a project management system-based communication and information sharing system were established. In addition, high-quality software development is achieved by monitoring the status of project output creation and supporting software quality inspection and verification.