• Title/Summary/Keyword: open set

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Template Matching-Based Target Recognition Algorithm Development and Verification using SAR Images (SAR 영상을 이용한 템플릿 매칭 기반 자동식별 알고리즘 구현 및 성능시험)

  • Lim, Ho;Chae, Daeyoung;Yoo, Ji Hee;Kwon, Kyung-Il
    • Journal of the Korea Institute of Military Science and Technology
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    • v.17 no.3
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    • pp.364-377
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    • 2014
  • In this paper, we have developed a target recognition algorithm based on a template matching technique using Synthetic Aperture Radar (SAR) images. For efficient computations, Radon transform-based azimuth estimation algorithm was used with the template matching. MSTAR data set was divided into two groups according to the depression angles, which were a train set and a test set. Template data were generated by rotating and cropping chips which were from MSTAR train set using the azimuth estimation algorithm. Then the template matching process between test data and template data was performed under various conditions. Performance variation according to contrast enhancement preprocessing which is scarce in open literature was also presented. The analysis results show that the target recognition algorithm could be useful for the automatic target recognition using SAR images.

The Virtual Set Top Box for Data Broadcasting System (데이터 방송 시스템 시뮬레이션을 위한 Virtual Set Top Box)

  • Jeon, Je-Min;Ko, Sang-Won;Kim, Se-Chang;Won, Jae-Hun;Kim, Jung-Sun
    • Proceedings of the Korean Information Science Society Conference
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    • 2007.10d
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    • pp.473-476
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    • 2007
  • 최근 방송 통신 기술의 눈부신 발전에 힘입어 등장한 데이터 방송(Data Broadcasting)은 시청자에게 영상과 음성환 아니라 기존에는 접할 수 없었던 다양한 서비스들을 제공하고 있다. 이런 데이터 방송을 수신하기 위해서는 TS로부터 데이터를 추출하고 처리할 수 있는 미들웨어(middleware)가 포함된 셋탑박스(set-top box)가 필요하다. 그리하여 MHP, OCAP, ACAP 등 여러 데이터 방송 시스템의 미들웨어 표준 규격이 정의되었다. 그 중 MHP의 경우, OpenMHP라는 오픈 소스 프로젝트를 통해 PC 상에서 간단하게나마 MHP API를 테스트 해 볼 수 있는 환경을 제공해 주고 있다.[1] 하지만 셋탑박스 내에서 하드웨어를 이용하는 작업들은 거의 구현되지 못 했기 때문에 테스트에 있어 극히 제한적일 수밖에 없었다. 따라서 본 논문에서는 소프트웨어적으로 셋탑박스 환경을 에뮬레이션 해주는 Virtual Set-Top Box(VSTB)를 설계, 구현하였다. 셋탑박스가 없는 환경이나 간단한 시뮬레이션이 필요한 경우, 실시간 스트림 역다중화와, 파싱, 필터링 작업등이 지원되는 가상 셋탑박스 시스템을 통해 MHP 미들웨어 API를 테스트하는데 유용한 역할을 할 수 있을 것이다.

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A Study on The effect of Set aside Arbitral award made abroad (중재지인 외국에서 취소된 중재판정의 효력에 관한 고찰)

  • 김명엽
    • Journal of Arbitration Studies
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    • v.13 no.2
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    • pp.103-122
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    • 2004
  • Recognition and enforcement of the arbitral award play an important role in the settlement of the international commercial disputes. The New York Convention makes it a duty for the courts of signatories to recognize and enforce the foreign arbitral awards not taking the nationality of the party concerned into consideration. Recognition and enforcement of the arbitral award may be refused if the award has not yet become binding on the parties, or has been set aside or suspended by a competent authority of the country in which, or under the law of which, that award was made. The arbitral award has the same force as an irrevocable judgement including effect of excluding further litigation, its execution and formation. But the effect of set aside arbitral award made abroad in arbitral place was denied by France court for the interest of his people. There is no arbitral act but arbitral procedure is regulated by New Code of Civil Procedure in case of France. An appeal against the decision which grants recognition or enforcement is open if the recognition or execution is contrary to international pubic policy in virtue of Art. 1502. Arbitrator may consider compulsory provisions in arbitral place to assure to recognition and enforcement of the arbitral award.

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A Study on Methods of Implementation for the NRF Open Access Policy (한국연구재단 오픈액세스 정책 실행방안 연구)

  • Joung, KyoungHee;Lee, Jae Yun;Chung, EunKyung;Choi, Sanghee
    • Journal of the Korean Society for information Management
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    • v.37 no.4
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    • pp.255-286
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    • 2020
  • This study aims to identify the methods of implementation for the 'National Research Foundation of Korea Open Access 2021(Plan)'. This study covers the methods of implementation in the three following core items: 1) developing the details on the amount, method, and procedures of APC support; 2) proposing methods for facilitating the transition of domestic Korean academic journals to open access journals; and 3) developing methods of entrusting papers to open access repositories. APC support should be guaranteed at a reasonable level. The average or median of APC values for the previous three years will be applied to set the upper limit for support each year. APC support will be provided when the paper is published to open access journals or transitioning journals to open access. Hybrid journals or dual access journals are not included. Support for open access publishing of academic journals in Korea during the transition period will be available for open access journals that have registered for CCL in KJCI or journals that have submitted their application for transitioning to open access. Publishing in hybrid, dual access or subscription-based journals must be accompanied by items related to copyright such as embargo. Research results will be used for the detailed implementation plan of 'NRF OA2021 (Plan)'. They will serve as the base data for the rapid, stable, and sustainable implementation of open access policy in NRF, addressing the Korean domestic academic journal publishing environment and the field of international academic communication.

An Efficient Method Of The Suspended Sediment-Discharge Measurement Using Entropy Concept

  • Choo, Tai-Ho
    • Water Engineering Research
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    • v.1 no.2
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    • pp.95-105
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    • 2000
  • A method is presented which enables easily the computation of the suspended sediment discharge as the mean sediment concentration and mean flow velocity. This method has significant advantages over the traditional method, which principally depend on a set of measured concentration data. The method is based on both a new sediment concentration and mean sediment concentration equations which have been derived from the entropy concept used in statistical mechanics and information theory: (1) The sediment concentration distribution equations derived, are capable of describing the variation of the concentration in the vertical direction. (2) The mean concentration equation derived, is capable of calculating easily the mean concentration by using only one measured concentration in open channel. The present study mainly addresses the following two subjects : (1) new sediment concentration and mean sediment concentration equations are derived from the entropy concept : (2) An efficient and useful method of suspended sediment-discharge measurements is developed which can facilitate the estimation of suspended sediment-discharge in open channel. Flume and laboratory data are used to carry out the research task outlined above. An efficient method for determining the suspended sediment-discharge in the open channel has been developed. The method presented also is efficient and applicable in estimating the sediment transport in rivers and the sediment deposit in the reservoirs, and can drastically reduce the time and cost of sediment measurements.

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Design Methodology of Integrated Architecture for S&T Knowledge Infrastructure (과학기술 지식인프라 통합 아키텍처 설계방법론)

  • Kang, Yun-hee;Kim, Young-chul
    • Journal of Platform Technology
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    • v.6 no.3
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    • pp.31-37
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    • 2018
  • Recently, the platforms for open science are being developed for helping researchers and scientists who are interested in convergence studies. This paper is focused on deriving a design method for an integrated architecture for knowledge infrastructure in science and technology and to set up the integration level of details and association between data and services in the integrated architecture. To facilitate the open science in research lifecycle, reconstructing individual services into modular and independent function blocks needs to be reusable and interoperable. The proposed design methodology is used for manipulating a service integration for the convergence service of S&T(Science and Technology) knowledge infrastructure. It can support to seamlessly access computing resources and the research results including artifacts digitally enabled scholars, researchers, and engineers participating in multidisciplinary collaborations.

Performance Increase for a 2 kW Open Cathode Type Fuel Cell Using Temperature/Humidity Control (2 kW급 개방 캐소드형 연료전지 출력 향상을 위한 온습도 제어)

  • YUAN, WEIWEI;CHOI, MIHWA;YANG, SEUGRAN;KIM, YOUNG-BAE
    • Transactions of the Korean hydrogen and new energy society
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    • v.28 no.4
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    • pp.369-376
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    • 2017
  • Temperature and humidity regulations of an open-cathode PEM fuel cell with balance of plant (BOP) are developed in this study. The axial fan, a bubble humidifier, set of solenoid valves and a controller are used to perform temperature and humidity control simultaneously. A fuzzy controller is designed, and it shows its superiority in real-time controlling for strong non-linear dynamical fuel cell system. The axial fan speed is used for temperature control and solenoid valve on/off signal of the bubble humidifier is used for humidity control. The axial fan speed is controlled to keep the fuel cell temperature within the desired point. Meanwhile, the bubble humidifier is utilized to moisture hydrogen to manage the water content of membrane. The results show that the proposed fuzzy controller effectively increases the output power of 10% for a PEM fuel cell.

New pattern of air market according to liberalization air transport between Korea and China (${\cdot}$ 중 항공자유화에 따른 항공시장의 변화와 대응)

  • Moon, Woo-Choon;Lee, Sang-Wook;Choi, Youn-Chul
    • Journal of the Korean Society for Aviation and Aeronautics
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    • v.15 no.2
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    • pp.32-39
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    • 2007
  • Air Transportation industry becomes more competitive that the restriction on new access to market were eased and relaxed. Liberalization of international air transport will continue, via bilateral and multilateral process. Korea, Japan, and China have expanded enormously the economic trade and cultural exchange bilaterally in the Northeast Asia, they are acknowledging the importance and necessity of improved connection, it order to face effectively other regional blocks of US-Canada, NAFTA, ASEAN, CLMV. In particular, nobody denies that it is urgent to liberalize bilaterally the air transport in Northeast Asia for promoting reciprocal benefits and prosperity. Recently while open skies bilateral agreements was signed between Korea-China in June, 2006. The agreements processes are too heavily influenced by flag carriers; leading to capacity/market sharing between the bilateral carriers in most markets, against the interest of consumers and overall economic interest of the nation. For successful operation of Northeast Air Market, it is need to set up development strategy paradigm by creating cross-border sub-regional (Northeast Asian) open skies bloc as well as preparing and creating of LCCs operations.

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Limiting the Number of Open Projects to Shorten the NPD Schedule

  • Wang, Miao-Ling;Yang, Chun-I;Chang, Sheng-Hung
    • Industrial Engineering and Management Systems
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    • v.10 no.1
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    • pp.34-42
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    • 2011
  • Many companies open multiple projects simultaneously due to market trends, which results in a crowding out effect because of limited resources. R&D engineers become overloaded and scheduling of product development is delayed resulting in timing misses and lost sales leads. The company in this case study (Company A), often opens up many projects simultaneously in order to respond to market needs quickly. The engineers are overloaded and, of course, the schedule is delayed. In order to identify problems, Company A began using Dr. Goldratt's Thinking Processes (TP) during new product development (NPD). When the analysis phase of TP was completed, Company A's core problem was identified as "the quantity of kick-off projects." Consequently, new rules and conditions and procedures were proposed for the opening, suspending, stopping, and closing of projects. Finally, the "Future Reality Tree" ensured that the proposed rules, conditions and procedures were set up as an available solution approved for practical application by executives. After a one-year trial run, the results showed that the Project Duration Rate was reduced by 53%, the Project Closed Rate was increased by 140% and the Project on Time Rate was increased from 10% to 68%. The above results give significant evidence of the benefits of the proposed methodology.

Development of a PC-based 3-D Seismic Visualization Software (PC 기반의 3차원 탄성파 자료 시각화 소프트웨어 개발 연구)

  • Kim, Hyeon-Gyu;Lee, Doo-Sung
    • Geophysics and Geophysical Exploration
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    • v.6 no.1
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    • pp.35-39
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    • 2003
  • A software to visualize and analyse 3-D seismic data is developed using OpenGL, one of the most popular 3-D graphic library, under the PC and Windows platform. The software can visualize the data as volume and slices, whose color distribution is specified by a special dialog box that can pick a color in RGB or HSV format. The dialog box can also designate opacity values so that several 3-D objects can be displayed superimposed each other. Horizon picking is implemented very easily with this software thanks to the guided picking method. The picked points from a horizon will compose a set of points, mesh, and a surface, which can be viewed and analysed in three dimensions.