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이지정(Ji Jung Lee),이대원(Dae Won Lee) 한국정보기술학회 2021 Proceedings of KIIT Conference Vol.2021 No.11
현재 정부 및 지자체 주도하에 흡연구역을 지정하여 관리하고 있지만 흡연구역에 대한 정보 제공이 미흡한 상황이다. 본 논문에서는 흡연자들에게 보다 쉽게 흡연구역의 위치 정보와 흡연구역 길안내 서비스를 제공하는 앱을 개발한다. 본 논문에서 개발한 앱은 타 앱과의 불필요한 연동을 피하기 위해 오픈 소스기반으로 개발되었으며 A* 알고리즘을 기반하여 길 찾기 기능을 구현하였다. Currently, smoking areas are designated and managed under the leadership of the government and local governments, but the provision of information on smoking areas is insufficient. In this paper, we develop an app that provides smokers with location information of smoking areas and smoking area directions services more easily. The app developed in this paper was developed based on an open source to avoid unnecessary interworking with other apps and implemented a roadfinding function based on the A* algorithm.
Raman Mapping Study of the Pigments in the Dancheong of Korean Traditional Buildings
지정은,한기옥,남지연,김승,강대일,박민정,이한형,양인상 한국물리학회 2017 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.70 No.8
Korea experienced a tragic loss of most of the Sungnyemun building in an arson attack in 2008. Few scientific records of the pigments originally used in the Korean national treasure exist, thus, the restoration of Sungnyemun was a serious failure. Because the Raman spectroscopic method has the advantage of analyzing the pigment phases in a simple, nondestructive, and noncontact way, it is becoming more important in scientific research on the colors present in cultural assets. In this study, Raman mapping measurements of the pigments in several “dancheong” - color decorations of the surfaces of the wood structure of Korean buildings - samples from Bongjeongsa Geukrakjeon and Sunglimsa Bogwangjeon are presented. The distribution of the pigments, which is difficult to observe with the naked eye, can be found in detail through a high-resolution Raman mapping image. A change of Raman spectrum due to the powderization of some pigments in the colored layer is also observed. The powderization of the pigments is considered to be due to weathering. Our Raman study will be helpful for the preservation and restoration of cultural heritage in general.