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AI를 활용한 스토리텔링 시스템에 대한 연구 – 유치원 생활기록 시스템 디자인을 중심으로
이건우(Kunwoo-Lee),박다솜(Dasom Park),반영환(Younghwan Pan) 한국디지털콘텐츠학회 2021 한국디지털콘텐츠학회논문지 Vol.22 No.6
This study aims to study how to apply artificial intelligence technology to describe storytelling, which is the most natural form of sharing human experiences. In the kindergarten setting, teachers have to record childrens lives and share them with parents. However, many teachers usually have difficulty collecting and recording data that observe young children, and the shorter the teachers career is, the more difficult it is to write records. In this study, we propose a system that automatically creates storytelling in the form of a diary by combining and analyzing images entered through wearable cameras worn by kindergarten children using artificial intelligence technology. Based on this, it is expected that teachers will be able to improve their difficulties and provide a satisfactory service by delivering accurate information about their childs kindergarten life to parents.
SLA를 이용한 신속시작작업을 위한 지지대 자동생성 시스템의 개발
허정훈,이건우,Hur, Junghoon,Lee, Kunwoo 대한기계학회 1996 大韓機械學會論文集A Vol.20 No.10
stereolithography is a process used to rapidly produce polymer components directly from a computer representation of the part. There are several considerations to be made for the efficient use of the process. Especially, the necessity of support structures, which prevent the part from warping, sagging, or parachuting and toppling as the elevator moves up and down in the resin, is one concern. After solidification, the support structures must by removed in the end. Bacause this post-treatment process is often performed manually, the more the support structures, the more it increases the finishing operations. Especially for a complicated part, the removal operations may be difficult, take so much time, and even reduce the accuracy of the product. Thus it is important to efficiently generate the efficient support structure for each part geometry. This paper proposes a procedure to automatically generate the supprot structures focused on accuracy, efficiency, convenience, and generation speed.
병렬 프로그래밍을 위한 지역적 삼각형 메쉬 생성 알고리즘
감동욱(Dong-Uk Kam),이건우(Kunwoo Lee) (사)한국CDE학회 2014 한국 CAD/CAM 학회 학술발표회 논문집 Vol.2014 No.8
In this paper, we propose a method for computing localized 2-dimensional Delaunay triangulation. To do so, we first get a polygon from a given vertex by points search method, namely, this polygon bounds a given vertex. Then, we consider voronoi condition at each edge of a polygon. If an edge doesn’t guarantee voronoi condition, we reconstructed polygon by adding a points inside of the voronoi circumcircle. After all, each edge of a polygon guarantees voronoi condition, and we just get mesh information from this polygon. We computed this process for all of given vertices. When we have a unique voronoi circumcircle, which has more than three vertices in circumcircle boundary, we just take special vertex for each case. This algorithm can be implemented to more efficient parallel meshing process.