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Stitching 기법을 이용한 고해상도 렌티큘러 사진 작품 연구
권종수(Kwon, Jong Soo),김효영(Kim, Hyoyoung),박진완(Park, Jin Wan) 한국디지털디자인협의회 2013 디지털디자인학연구 Vol.13 No.1
디지털 카메라가 등장하고 불과 10여년 사이에 이미지 화소 수는 기하급수적으로 늘어났다. 모니터의 경우도 해상도와 크기가 계속해서 빠른 속도로 증가 하고 있다. 텔레비전은 SD에서 HD로 그리고 HD가 완전히 보급되기도 전에 4배의 화소 수를 가지는 UD 시제품이 선보이고 있다. 수백 장의 사진을 이어 붙어 거대한 이미지를 만드는 실험들과 초고해상도 디지털 키메라가 등장하고 있으며, 디지털 미디어 기술의 도움으로 입체영상이 다시금 주목을 받고 있는 시점에 있다. 사진 예술계에서도 고해상도의 대형 사진들이 경쟁적으로 선보이고 있는 추세이며 컴퓨터 그래픽 기술을 이용하여 기존의 사진과는 전혀 다른 다양하고 새로운 시도들이 행해지고 있다. 이러한 흐름을 바탕으로 본 논문에서는 수십 장의 사진을 합성해서 고해상도 이미지를 만들고 이를 입체영상의 한 기법인 렌티큘러 기술과 접목하여 입체적 이미지를 제작한 본 연구자의 사진 작품인 ‘깃털’ 연작에 대하여 고찰하였다. 이미지의 밀도 증기는 앞으로도 계속될 것이며 입체영상 또한 새로운 미디어로서 발전 가능성이 매우 높다. 이에 대한 연구와 더불어 예술작품으로의 응용에도 관심을 기울여야 할 것이다. Alter the first digital camera came into, the image resolution was growing exponentially. Computer monitor"s size and resolution was increased very fast in these days. Few years ago HD television replace SD television, but before the change dose not finish UD television come to the market. There is a new experiment which stitch hundreds of pictures together and development of gigabyte digital camera. Digital technology revive the stereoscopic images which has many problems in the analogue age. Many fine art photographers show huge size of pictures and they use computer graphics because it makes totally new genre of the photography. On the basis of above information, we make high resolution images which stitch dozens of pictures together and convert them to stereoscopic images using 3D lenticular method. The subject of our work is modem people who loss of their presence. The feather means helpless people in our works. Display density will increase continuously and stereoscopic technology also develops rapidly. We have to study these area and apply to the art work.
요로폐쇄와 수신증을 동반한 난소의 성숙기형종에서 유래된 편평상피세포암
김시내 ( Shi Nae Kim ),이용우 ( Yong Woo Lee ),정지윤 ( Ji Yoon Jung ),문종수 ( Jong Soo Moon ),권미정 ( Mi Jung Kwon ),남은숙 ( En Suk Nam ),장봉림 ( Phong Rheem Jang ),권용일 ( Yong Il Kwon ) 대한산부인과학회 2007 Obstetrics & Gynecology Science Vol.50 No.1
Mature cystic teratoma of the ovary is the most commom ovarian germ cell tumor and almost benign. Malignant transformation occurs in less than 2% of benign mature teratoma. Squamous cell carcinoma derived from ectoderm is the most frequent malignancy. Prognosis of squamous cell carcinoma in ovarian mature teratoma is generally poor but there is no consensus on optimal thrapy. We report one case of squamous cell carcinoma arising from mature cystic teratoma with a brief review of the literature.
윤활기유 내 지방산메틸에스테르 혼합비율에 따른 윤활특성 및 산화안정성 연구
김신(Shin Kim),임태윤(Tae Yoon Lim),강형규(Hyung Kyu Kang),이종은(Jong Eun Lee),김지현(Ji Hyun Kim),홍일광(Il Kwang Hong),권종수(Jong Soo Kwon),최대성(Dae Sung Choi),정충섭(Choong Sub Jung) 한국트라이볼로지학회 2009 한국트라이볼로지학회 학술대회 Vol.2009 No.11
FAMEs produced from vegetable oil via transesterification reaction were known as alternative fuels. Lubrication and Wear properties of FAMEs were investigated to confirm the alternative possibility as lubricating base oil. In this study, lubrication properties and physical characteristics of mixture oils were examined using blended FAMEs(soybean, palm, waste oils) in two kinds of lubricating base oils. The oxidation stability of mixed samples were analyzed using ASTM D 2272 method and investigated for oxidation states of mixture oils after the shell four ball test. The results showed that the increase of FAMEs contents improved lubrication due to the intrinsic characteristics, however, increased the contents of oxidation which deteriorate the lubrication, and we found optimum mixture ratio as results of each base biodiesel (FAME).
김신(Shin Kim),강형규(Hyung Kyu Kang),임태윤(Tae Yoon Lim),권종수(Jong Soo Kwon),김재권(Jai gueon Kim),최대성(Dae Sung Choi),김동길(Dong Kil Kim),정충섭(Choong Sub Jung) 한국트라이볼로지학회 2009 한국윤활학회지(윤활학회지) Vol.25 No.6
The effect of oxidation in SAE 5W30 engine oils on friction and wear characteristics was investigated using reciprocating bench tester and shell 4-ball tester. Commercial engine oils were collected and oxidized using the KS M 2021 method modifying the oxidation time. Kinematic viscosity, total acid number(TAN), FT-IR spectrum and total base number(TBN) also measured to examine the chemical change of oils with oxidation. The results showed that TAN was slightly changed and Kinematic viscosity was suddenly increased during the oxidation stage. however, TBN results keep a constant slope after TBN linearly decreased with oxidation time. Spectroscopy results showed that spectrums were orderly increased at 1710 cm?¹ during the oxidation time. Friction test results showed that oxidation of oils formed unstable friction layers causing higher fluctuating friction. however, the wear resistance was independent of oxidized time due to the different friction characteristics by oxidation. We found several factors in relation to lubrication properties with oxidation time. This factors were Viscosity, TBN, change of FT-IR spectrum, friction coefficient using reciprocating bench tester and wear scar.