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이남훈(Nam hun Lee),박현민(Hyun Min Park),이상명(Sang Myung Lee),이대원(Dae Won Lee) 강원대학교 산업기술연구소 2018 産業技術硏究 Vol.38 No.1
In this study, hyaluronic acid (HA) was electro-spun to fabricate nanofibrous membranes for support materials. Because HA is very hygroscopic, it is difficult to obtain enough viscosity to apply electrospinning method. Therefore, we mixed HA with polyethylene oxide (PEO) to obtain proper viscosity and added adipic acid (ADH) to promote cross-linking of PEO/HA during electrospinning. The morphology of PEO/HA membrane was optimized according to PEO/HA concentration ratio and spinning rate. Finally, we fabricated gold-nanoparticle-embedded PEO/HA membranes and their catalyst activities were evaluated in tetramethylbenzidine (TMB) oxidation.
이남훈 ( Nam Hun Lee ) 한국영화교육학회 2008 영화교육연구 Vol.10 No.-
This paper mainly overlooks process of a study of HD Format. From above investigation, probing the role of computer graphics and special effects in HD feature film is the main concern in this project. As to reach its intent, this paper demonstrates orderly approach to film through special effects and usage of PC software in many degrees with exemplary HD feature film However, this paper not only demonstrates the making of film but also beacons approach to HD feature film with special effects. In fact, many films are made with HD by students, industry, and self-oriented, but these films are made in short period of time and are obscure to define as HD performed due to its character. Vis a Vis, instead of demonstrating all of HD formats, this paper mainly discusses HD formats through “Varicam” by Panasonic in HD feature. Sudden development of HD formats brought budget cut to film production, along with many different attempts in making films. However, it is still not fully understood to those who are not professional in that their usual final formats are mostly in DVD`s or DV tapes. This project will guide them to understand the highly recommended or commonly used HD formats by comparing and researching among the formats. In addition, this will provide usage of DI, Digital Intermediate, which, once was a highly cost task, now is a task that could be performed in personal computers. Of course, it is not as easy as done with highly cost equipments nowadays, but rapid development of PC will soon become near equal to those highly cost equipments, a statement which can be assured with its current ability to perform with 2k resolution. Discreet Toxik and Discreet Combustion in software, and Discreet Lustre for Window in color revision, basically completes DI. To understand how DI performs will beacon to effective production of low budget HD feature film. In the result, acumen of HD task as a nouveau approach to production of film will provide effective and productive Digital society and legitimate understanding of its performance.
다중스크린을 이용한 전통극 활성화 연구 -「달빛아래 태양을 품다」 제작사례를 중심으로-
이남훈 ( Nam Hun Lee ),김태형 ( Tae Hyung Kim ) 커뮤니케이션디자인학회 2012 커뮤니케이션 디자인학연구 Vol.38 No.-
전통극 활성화를 위한 다양한 시도들이 이루어지고 있는 상황에서 본고에서는 다중스크린을 이용해서 영상미디어 퍼포먼스의 형태로 접근하려고 한다. 이에 「달빛아래 태양을 품다」의 사례를 통해 다양한 접근시도들을 논의하고 이에 다중스크린을 활용한 사례를 정리하고자 한다. 이를 증명하기 위해 요셉 스보보다의 이론을 들어 다중스크린의 영상적 효과를 증명하고자 한다. 결국 전통극의 활성화를 위한 다양한 접근 중 영상적 접근을 강조하고 이에 단순한 영상활용이 아닌 다중스크린의 활용적인 부분을 통한 접근법을 대안으로 내세운다. 미디어 포퍼먼스 의 공간이 결국 무대화가 되어 기존의 전통극의 양식을 탈피하고 관객의 참여가 자연스럽게 유도되어 기존의 극장적 프레임이 파괴되고 관객이 주체가 되는 새로운 형태가 된다고 볼 수 있다. Traditional performance for the activation of various attempts made in this paper in situations where using a multi-screen performance in the form of visual media is trying to access, This <under the moonlight cherish the sun> with examples of attempts to discuss various approaches utilizing such cases a multi-screen, would like to clean up. To prove their theory of Joseph, Waynesboro, for a more multi-screen is to prove the effectiveness of the youngsangjeok. Eventually jeontonggeuk youngsangjeok of various approaches for the activation of this simple approach emphasizes the use of imaging applications, not part of a multi-screen as an alternative approach naeseunda through. Media performance as the end stage of the space is a painter, and breaking away from traditional forms of jeontonggeuk the participation of the audience is induced naturally existing geukjangjeok frame is destroyed, the principal audience can see that the new form.
Windows 2000기반의 파일 보호 시스템 설계 및 구현
이남훈,유신근,심영철,Lee, Nam-Hun,Yu, Sin-Geun,Sim, Yeong-Cheol 한국정보처리학회 2001 정보처리학회논문지 C : 정보통신,정보보안 Vol.8 No.6
컴퓨터 시스템의 발달에 따라, 시스템에 대한 새로운 악성 프로그램의 위협이 급속히 증가하고 있다. 이러한 위협들에 대하여, 현재 컴퓨터 백신 프로그램이 널리 사용되고 있으나, 알려지지 않은 새로운 유형의 악성 프로그램을 발견하는 것이 어렵다는 것과 악의적 행위가 수행되기 전에 악성 프로그램을 발견하는 것이 항상 가능하지는 않다는 약점을 지니고 있다. 그리고 기존의 개인 컴퓨터 보안 시스템은 효율적인 보안 모델의 부재로 인하여 정상적인 사용자 행위임에도 불구하고 많은 False-positive 경고가 발생하는 문제점이 있다. 따라서 악성 프로그램에 대한 백신 프로그램과 개인 컴퓨터 보안 시스템의 제약점을 보완하기 위하여, 다양한 악성 프로그램에 의한 위협들을 신속하게 발견하고 대처할 수 있는 개선된 보안 프로그램의 개발이 중요하게 되었다. 본 논문에서는 컴퓨터 시스템에 대한 각종 위협을 커널 레벨에서 실시간으로 필터링 하고 대처할 수 있는 개선된 보안 모델의 설계와 보안 프로그램의 설계 및 구현에 대해 기술하였다. With the development of computer systems, there has been a sharp increase in the threats on these systems including attacks by malicious programs such as virus, vandal, etc. Currently virus vaccines are widely used to thwart these threats, but they have many weaknesses. They cannot guard against unknown threats and sometimes, they also cannot detect the existence of malicious programs before these malicious programs make any destructive results. For lack of an efficient security model, the existing security programs have the problem that they raise many false-positive alarms in spite of normal action. So it becomes very important to develop the improved security program that can make up for the weakness of the existing computer security program and can detect many threats of malicious programs as early as possible. In this paper we describe the design of an improved security model and the implementation of a security program that can filter and handle the threats on computer systems at the kernel level in real time.