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김주영,조남수,장구영,Kim, J.Y.,Jho, N.S.,Chang, K.Y. 한국전자통신연구원 2020 전자통신동향분석 Vol.35 No.6
As the usability and value of personal information increase, the importance of privacy protection has increased. In Korea, the scope of the use of pseudonymized personal information has increased because of revisions to the law. In the past, security technologies were used to safely store and manage personal information, but now, security technologies focused on usability are needed to safely use personal information. In this paper, we look at issues related to the de-identification and re-identification of personal information. Moreover, we examine the standards and techniques related to the de-identification of personal information.
김주영(J.Y.Kim),최수진(S.J.Choi),전충환(C.H.Joen),장영준(Y.J.Chang),주영철(Y.C.Joo) 한국자동차공학회 1997 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1997 No.6_1
A combustion flame visualization system, for use as an engine diagnostics tool, was developed in order to evaluate combustion chamber shapes in the development stage of mass-produced S.I. engine. The system consist of an image converter camera and a computer-aided image processing system.<br/> By using this system, flame structure estimated from the brightness level on a image and direction of flame propagation in a single cylinder gasoline engine were measured. The flame propagation in a single cylinder gasoline engine has been measured through a I-CCD camera to understand combustion phenomena.<br/> The results showed that the. flame in the initial stage seemed to be blue flame, luminous flame in the end stage. Most of images, the flame propagation was occurred rapidly in the direction of exhaust port, while it was observed smooth flame propagation in the direction of intake port.<br/>
단기통 가솔린 엔진을 이용한 연소가시화(연속화상을 이용한 연소해석)
김주영(J.Y.Kim),최수진(S.J.Choi),전충환(C.H.Joen),장영준(Y.J.Chang),주영철(Y.C.Joo) 한국자동차공학회 1997 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1997 No.11_1
A combustion flame visualization system, for use as an engine diagnostics tool, was developed in order to understand the combustion reaction mechanism in the development stage of mass-produced S.I. engine. The measurement system consists of a still camera, a high speed camera and a computer-aided image processing system. The high speed camera system is capable of high speed photography up to 5000 fps.<br/> By using this system, flame structure estimated from the greylevel on acquired image and direction of flame propagation(shape of flame) in a single cylinder gasoline engine has been measured through the still camera and the high speed camera to understand combustion phemonena.<br/> There is a correlation between the air flow motion(swirl) and flame during combustion cycle. resulting in faster flame development to face exhaust valve.<br/>
김주영(J. Y. Kim),김철(C. Kim),이영춘(Y. C. Lee),조명재(M. J. Cho),전남진(N. J. Jeon) 한국자동차공학회 2011 한국자동차공학회 학술대회 및 전시회 Vol.2011 No.11
Various forces on the body of the vehicle are delivered to car wheels. Connecting element between a vehicle and a wheel is a steering knuckle. The steering knuckle should endure various vertical and horizontal loads such as rolling and dive loads when sudden stop or steering takes place. Various stress levels were calculated and analyzed for shape design optimization.