http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
이목원(Mokwon Lee),차제현(Jehyun Cha),송찬영(Chanyoung Song),김재관(Jae-Kwan Kim),조영송(Youngsong Cho),유중현(Joonghyun Ryu),김덕수(Deok-Soo Kim) (사)한국CDE학회 2014 한국 CAD/CAM 학회 학술발표회 논문집 Vol.2014 No.8
Voronoi diagrams are useful for reasoning spatial properties among particles. In particular, the Voronoi diagram of circles in 2D is important on its own and has many applications. And also it is meaningful for extending to that of spheres in 3D. In this paper, we propose a new algorithm for construction of Voronoi diagram of circles. This algorithm constructs the Voronoi diagram by adding a new circle to the already constructed one and then changing the topology influenced by the new circle. The approach using topology uses logical computations instead of numerical computations. That reduces the number of numerical errors.
SqueeView: 공간지각능력 향상을 위한 기능성 게임
최용준(Yong-June Choi),차제현(Jehyun Cha),류호경(Hokyoung Ryu) 한국HCI학회 2012 한국HCI학회 학술대회 Vol.2012 No.1
기능성 게임 산업의 많은 발전이 있었지만, 게임을 통한 실생활 효과는 제대로 평가가 이루어 지지 않고 있다. 본 논문에서는 "SqueeView"라는 새로운 개념의 게임 콘트롤러을 사용하여 기능성 게임을 수행하게 하고, 공간 지각능력 향샹 효과를 통하여 얻어질 수 있는 실생활 적용 효과에 대한 실험을 진행하였다. 이 연구의 결과를 통하여 기능성 게임을 통한 효과를 실증적으로 평가하였고, 이를 통하여 새로운 기능성 게임 평가방법론을 제시한다. With the success and proliferation of video games, there can be no doubt that video games are a part of our culture. Many disciplines (Government agencies, the military, hospital and so forth) at every educational level now use video games as a part of training or education purposes. Yet, it is still arguable whether serious games can present something other than playfulness or enjoyment, and whether the learning experience from serious games would be beyond and above those from other learning tools (e.g., cognitive rehabilitation devices such as Purdue Pegwork). In particular, it can be seen that the learning effect from serious games would not be transferrable to other problem solving situations. The present study aims to address this question, using a novel input device (i.e., SqueeView), whether it can create a critical learning effect in performing normal mundane tasks in real life. The empirical study revealed that the essential learning effect from 'SqueeView' was applicable to many real life tasks, and based on this an evaluative framework for serious games was presented.
BetaConcpet 프로그램: 2 차원 평면의 Voronoi diagram, 쌍대구조 그리고 콤플렉스
김재관(Jae-Kwan Kim),이목원(Mokwon Lee),차제현(Jehyun Cha),송찬영(Youngsong Song),조영송(Youngsong Cho),유중현(Joonghyun Ryu),김덕수(Deok-Soo Kim) (사)한국CDE학회 2014 한국 CAD/CAM 학회 학술발표회 논문집 Vol.2014 No.8
Voronoi diagrams are powerful for solving spatial problems among particles with different sizes.Voronoi diagram of atoms has proven its power for solving various fields of different disciplines, particularly molecular biology/material science problems, in an unified framework. Beta-complex is a generalization of alpha-complex and they share similarities and dissimilarities. This paper presents the BetaConcept program which facilitates easy understanding of the powerful capability of the Voronoi diagram, its dual structure, and the beta-complex in the plane. BetaConcept is a Windows program with a graphic user interface written in the standard C++ language and is freely available at the Voronoi Diagram Research Center (http://voronoi.hanyang.ac.kr).
조영송(Youngsong Cho),김재관(Jae-Kwan Kim),유중현(Joonghyun Ryu),이목원(Mokwon Lee),차제현(Jehyun Cha),송찬영(Chanyoung Song),김덕수(Deok-Soo Kim) (사)한국CDE학회 2014 한국 CAD/CAM 학회 학술발표회 논문집 Vol.2014 No.8
Geometric properties are critical for the function of molecules consisting of atoms with different radii which are usually modeled as spheres in 3D. “Molecular Geometry” is a theoretical framework of computational understanding of the geometry of molecules in the claim that most molecular structure problems can be effectively and efficiently facilitated by the “geometrization” of the problem into that among spheres in 3D whose solution can be easily found via “geometry kernel”. In this paper, we report BULL!, the molecular geometry engine based on the Voronoi diagram of spheres, the quasi-triangulation, and the beta-complex. Being a program implemented in C++, application programmers can simply call API-functions of BULL! to create application programs correctly, efficiently, and conveniently. The BULL! is designed compatibly so that application programs are completely independent of future modifications and improvements. The BULL! engine will be freely available from the Voronoi Diagram Research Center at Hanyang University.