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그래픽 RISC 프로세서를 위한 C 컴파일러와 그래픽 라이브러리의 최적화 기법의 설계 및 구현
이은재(E.J Lee),길아라(A R. Khil),정재훈(J H Chung),정내훈(N H Jung),맹승렬(S R. Maeng),윤현수(H Yoon) 한국정보과학회 1992 한국정보과학회 학술발표논문집 Vol.19 No.1
GISC(Graphics Instruction Set Computer) 프로세서는 현재 KAIST에서 개발 중인 RISC 형태의 그래픽 프로세서이다. 본 논문에서는 GISC 프로세서를 위한 C 언어의 컴파일러와 그래픽 라이브러리의 최적화 기법을 설계하고 구현한다. C 언어 컴파일러는 출력 코드 생성 시의 최적화를 지원하며 사용자 응용 프로그램의 개발이 용이하도록 프로그래밍 환경을 제공한다. 또한, 제안된 그래픽 라이브러리의 최적화 기법은 메모리 참조 명령문의 수행을 지연하여 그 횟수를 감소시킴으로써 수행 시의 효율성을 높일 수 있다. 본 논문에서 제안한 C 언어 컴파일러와 그래픽 라이브러리 최적화 기법은 GISC 인스트럭션 시뮬레이터를 사용한 시뮬레이션 결과를 분석함으로써 그 성능을 효율성을 검증한다.
정노택(R.T. Jung),이은재(E.J. Lee),김명훈(M.H. Kim),이승현(S.H. Lee),강원수(W.S. Kang),최혁진(H.J. Choi),강창구(C.G. Kang) 한국해양환경·에너지학회 2004 한국해양환경공학회 학술대회논문집 Vol.2004 No.-
The marine litter should be regarded as a major point of marine pollution that destroys the ecological and economic value of marine ecosystem and its components. Especially, the problem caused by the derelict fishing nets called "ghost fishing". In order to solve the problems raised by the marine liters, we have developed a practical and efficient survey system for sea bottom fishing nets. The apparatus consists of a guide frame, three deep-sea cameras for 1,000m water depth, buoys for keeping balance of survey system, a position tracking device, etc. The underwater survey system has a guarantee the survey of 7 meter range in width, and it is connected by high tension wire to surface ship such as towed type. The present paper shows the results on the development of an equipment to survey the marine litter, especially, such as fishing net, efficiently and practically at the bottom of deep sea, East Sea, Korea. The system was tested in in-situ test has been carry out to evaluate the efficiency and practical application of the system in 1,000m in depth. It is regard that the developed system will be available for sea-bed research such as deep ocean organism and geological survey.
해저면 환경조사를 위한 실시간 수중음향장비 구축 및 운용
정노택(R.T. Jung),김선동(S. D. Kim),최현택(H.T. Choi),이은재(E.J. Lee),김명훈(M.H. Kim),성홍근(H.G. Sung),임용근(Y.G. Lim),강창구(C.G. Kang) 한국해양환경·에너지학회 2006 한국해양환경공학회 학술대회논문집 Vol.2006 No.-
The marine litter is known as a major source of the destruction of the marine ecosystem and its components. In order to understand and solve the problems raised by marine litters, derelict fishing net and ghost fishing, we developed a real-time on-line seabed survey system for deep sea environment. This system consists of a guide frame called Tow-sled, a real-time deep-sea camera and a control unit, underwater acoustic modem units, position tracking devices and etc .. This paper shows the development of the equipment and the result of the sea bed survey experiment in deep sea environment which is performed around Wang-dol-Cho area in East Sea in 2006.
김선동(S.D. Kim),성홍근(H.G. Sung),정노택(R.T. Jung),김명훈(M.H. Kim),이은재(E.J. Lee),임용곤(Y.G. Lim),최현택(H.T. Choi),변성훈(S.H. Byun),강창구(C.G. Kang) 한국해양환경·에너지학회 2005 한국해양환경·에너지학회 학술대회논문집 Vol.2005 No.11
The marine litter is known as a major source of the destruction of the marine ecosystem and its components. Especially the problem caused by the derelict fishing nets is called the "ghost fishing". In order to understand and to solve the problems raised by marine litters, we developed a practical and efficient real-time survery system for deep sea environment. This system consists of a guide frame called Tow-sled, a real-time deep-sea camera, position tracking devices and etc .. The present paper shows the results of the development of the equipment to suervey the marine litter such as fishing net in deep sea environment..