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박순홍,전병호,Park Soon-Hong,Jeon Byeong-Ho 한국콘텐츠학회 2006 게임&엔터테인먼트논문지 Vol.2 No.1
고고학 조사에 대한 기록 자료로서의 영상(동영상)은 이미지(사진)에 '움직임(moving)'이라는 특성과 함께, 소리(음성), 글씨(자막) 등의 요소가 추가됨으로써 표현하고자 하는 대상을 가장 현실적이고 사실적으로 보여줄 수 있다는 장점을 가지고 있다. 문자텍스트와 이를 보조하기 위한 사진과 도면 등을 담은 보고서로 표현하기 힘든 조사 과정의 구체적인 기록을 동영상은 가능하게 할 수 있는 것이다. 고고학 조사 기록에 있어서 영상제작을 활용화 하기 위해서는 영상을 전담하는 고고학 조사원이나 영상 전문 인력을 활용해 모든 시/발굴조사로 범위를 확대하고, 직접적인 촬영/편집을 통한 영상제작이 이루어져야 한다. 체계적인 영상제작을 통해 기록된 고고학 조사는 자료로서의 가치가 충분하고, 활용함으로써 효용 가능성을 가지고 있다. 나아가 이러한 영상제작을 활용함으로써, 본질적인 의미라고 할 수 있는 고고학 조사 기록 자료로서의 환용 이외에도 다양한 교육 자료로의 활용, 전시의 활용, 상업적인 활용 등에 적용할 수 있겠다. The video production, as a recording data about the archeological survey, has advantages to be visualized in actuality and historical fact presented objects with elements such as moving images, audio(voice) and text(subtitle). While the report with text and images such as photographs and drawings does not present exactly, the video production can record a concrete excavation process to be difficult of represent with former media. To make a practical use the video production in archeological surveys, the use dimension should be expanded to the entire archeological excavations and the shooting and editing work should be done by those video production-specialized staffs. Ultimately, when this video production device is used but also for the survey purposes but also for the education, exhibition, and even commercial purposes, it can have the substantial meaning as a survey tool.
박순홍(Soon Hong Park),신현한(Hyun Han Shin) 한국경영학회 2010 經營學硏究 Vol.39 No.3
There have been a lot of researches especially on M&A announcement effects. However, what is more interest topic today is that why stock prices react significantly to the M&A announcement and a few studies argue that the agency theory is one of the main reasons. Especially, as many researches argue that firms with a good corporate governance system tend to have less agency problems than others, recent papers focus on the effects of M&A announcement from the perspective of agency theories by using corporate governance data as proxy variables. Moreover, these studies consistently suggest that if firms have a good corporate governance system, M&A announcement effects in those firms are higher than counterparts significantly. However, different from prior research, studies in Korea do not show that the level of governance system tends to have positive relation with market reactions to M&A announcements. The most important reason why there are not consistent results with respect to the effects of agency problems to M&A is that there are not so good proxy variables for the degree of agency costs. In other words, even though a firm`s corporate governance system can be affected by many factors including ownership structures, prior researches in Korea usually use just ownership data such as manager`s ownership ratios or institutional ratios as proxy variables. Meanwhile, since the IMF economic crisis, Korean firms` corporate governance systems have been considered as the main reason for the so-called Korean Discount. So, there are many changes in regulations such as the board of directors and audit committee and so on. Additionally, the important roles of the board of directors and audit committee are to increase the efficiency of firm`s investment activities including M&A. Therefore, after the IMF crisis, we can guess that in Korea the effects of corporate governance, especially board of directors and audit committee became more important. Unlike the Masulis et al.(2007) paper which focuses on anti-takeover provisions, this paper investigates the effects of corporate governance on M&A announcements based on the agency theories by using the KSE listing firms over the period between 2003 and 2008. In particular, this paper uses individual corporate governance scores provided by the KCGS to test the effects of governance system on the market reactions. As prior studies argue, the KCGS`s governance scores are likely to be good proxy variables for the level of a firm`s agency problems because there are a few results that show the positive relations between corporate governance scores and firm value. Considering all reasons mentioned above, we can find that generally firms with good corporate governance systems tend to have significantly positive abnormal returns than others, which means that corporate governance systems can mitigate agency problems by controling manager`s inefficient behaviors. In addition, in subs ample tests, we also find that the board of directors and audit committee in Korean firms are the most important factors to affect the market reactions to M&A announcements. Finally, this paper shows that the effects of two above-mentioned systems can be work even in business groups, Chaebols, if Chaboles have good corporate governance systems, which means unlike the prior studies, the Chaebol variable is not a good proxy variable for the level of agency costs. In conclusion, these results are consistent with the prior research results based on the agency theories. Moreover, especially in Korea, the board of directors and audit committee are more important factors to affect the M&A announcement events, resulting in increasing firm value significantly.
[진동·소음부문] 이동 프레임 음향 홀로그라피 방법을 이용한 이동 음원의 방사 음장 가시화
박순홍(Soon-Hong Park),김양한(Yang-Hann Kim) 한국자동차공학회 1999 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
This paper introduces moving frame acoustic holography (MFA H) method. The method was<br/> originally proposed to increase the aperture size and the spatial resolution of hologram by using a moving line array of microphones. The hologram of the scanned plane can be obtained by the relative coordinate transformation. The main advantage of this method is that it enables us to visualize the noise generated by moving noise sources by employing a vertical line array of microphones affixed to the ground. This paper demonstrates the practical applicability of MFAH for the visualization of moving noise sources and discusses the limitation of the method.
박순홍(Park Soon-Hong),최승권(Choi Seung-Kwon),신승수(Shin Seung-Soo),조용환(Cho Yong-Hwan) 한국콘텐츠학회 2003 한국콘텐츠학회 종합학술대회 논문집 Vol.1 No.1
본 논문에서는 암호화 모듈을 적용한 콘텐츠 전송 시스템을 제안한다. 사용자측의 전용 브라우저를 통해 RSA 암호화 알고리즘과 XOR 연산 기법으로 암호화된 콘텐츠를 제공함으로써 콘텐츠 불법 유통과 불법 복제를 방지하고 기존의 콘텐츠 전송 시스템들이 전송 도중의 공격에 취약한 점을 보완한다. 또한 재생 완료 즉시 전용 브라우저로 암호키를 갱신함으로써 콘텐츠와 전용 브라우저를 1:1 관계로 묶어 저작권을 보호한다. In this thesis, we suggest the contents transmission system applied by Encryption Module. It prevents illegal distribution and reproduction of contents and supplements the limitation of the exiting transmission systems during the transmission by providing the contents encoded by RSA encryption algorithm and XOR computation method through user-oriented browser. And at same time, it protects the copyright with typing the contents and user-oriented browser in one-to-one manner by way of using the browser to renew a encoding key as soon as replay is completed.