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홍정은 ( Jeong-eun Hong ) 숙명여자대학교 디자인연구소 2021 숙명디자인학 연구 Vol.30 No.-
현재 코로나로 인해 사람들이 모여서 관람해야 하는 공연예술은 열악한 상황에 놓여있다. 비대면, 언택트의 시대이지만 아직 삶의 즐거움을 주는 공연과 그 공연을 위한 극장은 여전히 필요하다고 볼 수 있다. 따라서 극장의 형태가 역사적으로 처음 등장했던 시기인 고대 그리스 건축물 중 디오니소스 극장과 에피다우로스 극장을 통해 극장의 형태와 구조와 같은 극장의 요소에 대해 알아보고, 현재 4차 산업기술의 발전과 비대면, 언택트 시대에 맞추어 공연예술의 형태를 담는 장소인 극장이 어떻게 변화해야 하는가에 관한 연구를 하고자 한다. The performing arts that people have to gather and watch are now in a poor situation due to Covid-19. Although it is an era of non-face-to-face and non contact, it is still necessary performances that give joy in life and theaters for those performances. Therefore, this study first examines the elements of the theater, such as the shape and structure of the theater, through the Dionysus Theater and Epidaurus Theater, which are ancient Greek architectures which the form of the theater first appeared. Furthermore, this research aims to study how theaters, which are places that contain the form of performing arts, should change in line with the development of fourth industrial technology, non-face-to-face and non contact era.
오토 화이트밸런스와 커스텀 화이트밸런스 설정에 따른 이미지 재현성에 관한 비교 연구
홍정의 ( Jeong Eui Hong ) 현대사진영상학회 2008 현대사진영상학회논문집 Vol.11 No.-
This study aims at offering some theoretical foundations and at helping choose the proper white balance setting, by comparing and analyzing the characteristics of the automatic white balance setting, with which digital cameras and RWA file converting programs are equipped, and the characteristics of the custom white balance setting, using a gray card, a white card, and etc. For this analysis, Kodak gray scale (large) Q-14, Kodak color control patches Q-14, Macbeth color checker, a Fotowand gray card, and a Fotowand white card were used, with automatic white balance setting and with custom white balance setting respectively, and also with the speed light of less color temperature changes. Also, the image reproducibility, such as the changes of image tone, color representation, chroma, noise density, and dynamic range, was analyzed through Photoshop CS3 and through Imatest-1.6.16. The analysis results showed that when the same algorism was applied to, it brought about various results, but some characteristics of each case and some minute comparative superiority of setting were found, while the products of one company had different features and it was difficult to find just one rule with one model. As for the color tone, generally, when a gray card was used and the coloration of neutral gray was reproduced nicely, the white color was represented with a warm feeling, and when a white card was used and the coloration of the white color was nice, the neutral gray was represented with a cold feeling. When a white card was set up, the error range of white balance was smallest, and therefore it would be much better to set up a white card to photograph a bright subject, in particular, such as a white background or an achromatic color. This study contributed to theorizing the mostly used settings through objective experiments, in spite of its limitation of the application of the same algorism.
논문 : 디지털 카메라 이미지 센서의 구조에 따른 재현성 연구
홍정의 ( Jeong Eui Hong ) 한국사진학회 2006 AURA Vol.0 No.15
This study investigates into the image reproductivity of digital cameras, comparing the Bayer pattern, the type most widely used for image sensor, with the Foveon X3 type, developed by the Foveon Inc. to match the human sight mechanism, and the Super CCD Honeycom type of the Fuji Films. For analysis, Canon 1DS, Fuji S3 Pro, Kodak DCS Pro SLR/N, Nikon D200, and Sigma SD10 were chosen as research objects and KIIMA Image Evaluation Test Target (QA-3), Kodak Gray Scale (Large) Q-14, Macbeth Color Checker and Kodak Color Control Patches Q-14, and Kodak Gray Card / Black White Card, as model subjects, in order to determine their image sensor`s reproductivity, regarding color reproduction, resolution, sharpness, dynamic range, gradation, and latitude. To measure the spectral resolution, Kodak Wratten Gelatin Filter No. 29, 47, and 61 were used in order to attain the spectrum of a visible ray. For color reproduction, Imatest-1.6.16 is used. The result of this study showed that reproductivity for Super CCD Honeycom and Foveon X3 was not as good as expected, but showed possibilities for development. The old Bayer pattern also needed much improvement in reproductivity. It can be inferred that the merits and demerits of Super CCD Honeycom and Foveon X3 will be at least partly useful in developing digital camera`s productivity in the future.