• Proceedings of the Korea Information Processing Society Conference
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• 2011.11a
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• pp.455-458
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• 2011

컴퓨터에서 생성된 시뮬레이션 결과는 가시화(Visualization)라는 과정을 통해 인간이 직관적으로 해석하기 쉬운 형태로 가공된다. 사람이 직관적으로 이해하기 어려운 수치의 나열로 구성돼 있던 데이터가 컴퓨터 그래픽스 기술의 적용을 통해 보다 쉽게 분석할 수 있는 형태로 변형되는 것이다. 최근에는 이런 시뮬레이션 데이터의 크기와 복잡도가 점점 증가하고 있는 추세로, 이런 추세에 따라 고해상도 디스플레이 장치나 몰입형 가상현실 장치의 필요성은 점점 증가하고 있다. 이런 이유로 클러스터 시스템을 이용한 고해상도의 디스플레이 장치에서 해당 시스템에 대한 전문적인 지식을 갖추지 않은 일반 연구자가 상호작용할 수 있는 사용자 인터페이스에 대한 필요성도 높아지고 있다. 본 논문에서는 고해상도 디스플레이 장치에서 데이터를 가시화하는 프레임워크와 그 프레임워크에서 사용하는 통합 환경 인터페이스를 소개하기로 한다. 이 인터페이스는 VR Juggler와 OSG(OpenSceneGraph)를 기반으로 하며, 다양한 형태의 디스플레이 장치와 몰입형 가상현실 환경에서 시뮬레이션 데이터와 실시간 상호작용을 통한 해석을 수행하는데 필요한 기반 환경을 제공한다.

• Proceedings of the Korea Information Processing Society Conference
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• 2007.05a
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• pp.717-719
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• 2007

바둑판에 놓인 돌의 위치를 표기하기 위한 전통적인 방식은 좌상귀를 기점으로 삼는 것이다. 그러나 이 방식은 직관성과 편리성이 떨어지기 때문에 천원 기점 방식과 각 귀 기점 방식이 제안되 었다. 본 연구에서는 기존의 각 귀 기점 방식의 문제점을 개선하여 좀 더 직관적인 좌표 시스템을 제안한다.

• Journal of Digital Convergence
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• v.15 no.1
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• pp.311-320
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• 2017

The purpose of this study investigates the relationships between nurses' image, professional self-concept and nursing professionalism in nursing students, and explore the plan of nursing education for the establishment of exemplary nursing professionalism in nursing students. A convenience sample of 292 subjects were recruited from one university in G city. And data were collected from November 11 to November 15, 2015. Data were analyzed using t-test, ANOVA, Pearson's Correlation, Stepwise Multiple linear regression analyses with SPSS 21.0 Program. The nursing professionalism of nursing students showed a significantly positive correlation of nurses' image(r=.821, p<.001) professional self-concept(r=.701, p<.001). Fifty-seven percentage of the variance was explained by nurses' image, professional self-concept and grade. Therefore, on the basis of this study's result, when nursing educational programs are developed to make positive professionalism, these factors need to be consider.

• Journal of Convergence for Information Technology
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• v.12 no.2
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• pp.63-71
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• 2022

The purpose of this study is a descriptive research study to understand to investigate the convergence effects of nursing students clinical performance ability, clinical practice satisfaction, and emotional intelligence on nursing professionalism. From November 10 to November 20, 2021, 132 fourth-year nursing students 132 students in 4th year nursing department were surveyed using a convenience sampling. The collected data were analyzed using descriptive statistics, t-test and ANOVA, Scheff'e test, Pearson correlation coefficient, and multiple regression analysis using SPSS Statistics 25.0. As a result of the study, factors affecting nursing professionalism were emotional intelligence(β=.46, p<.001), clinical performance (β=.18, p=.033), and clinical practice satisfaction(β=.18, p=.027) and the explanatory power of nursing professionals was 52%. Therefore, it is expected that it will be used as basic data for a program that can improve professional nursing values of nursing students through factors affecting professional nursing values.

• Journal of the Korean School Mathematics Society
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• v.11 no.1
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• pp.97-115
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• 2008

In high school mathematics class, to subtract a number b from a, we add the additive inverse of b to a and to divide a number a by a non-zero number b, we multiply a by the multiplicative inverse of b, which is the formal approach for operations of real numbers. This article aims to give a connection between the intuitive models in middle school mathematics class and the formal approach in high school for teaching operations of negative integers. First, we highlight the teaching methods(Hwang et al, 2008), by which subtraction of integers is denoted by addition of integers. From this methods and activities applying the counting model, we give new teaching methods for the rule that the product of negative integers is positive. The teaching methods with horizontal mathematization(Treffers, 1986; Freudenthal, 1991) of operations of integers, which is based on consistently applying the intuitive model(number line model, counting model), will remove the gap, which is exist in both teachers and students of middle and high school mathematics class. The above discussion is based on students' cognition that the number system in middle and high school and abstracted number system in abstract algebra course is formed by a conceptual structure.

• The Journal of the Korea Contents Association
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• v.17 no.11
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• pp.274-289
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• 2017

The purpose of this study was to examine empirically the influence of self-efficacy on the selection of behavior and sustainability as a variable affecting vocational basic competencies. There is a need to confirm the influence of the mediating effect of nursing professionalism and self-directed learning ability formed through the recognition of nursing professional intuition on the vocational basic competencies. For this purpose, 396 nursing students from three junior colleges in J province were sampled for convenience. All of the latent variables were measured by vocational core competency, self-efficacy, nursing professionalism and self-directed learning ability. The collected data were analyzed using Structural Equation Modeling. The result of this study were as follows: First, the fix indexed of causal model among ocational core competency, self-efficacy, nursing professionalism and self-directed learning ability were identified suitably. Second, self-efficacy had no direct effect on vocational core competency, however, nursing professionalism and self-directed learning ability had moderating effect in the relationship between self-efficacy and vocational core competency. Third, nursing professionalism had direct effect on vocational core competency and also self-directed learning ability had moderating effect in the relationship between nursing professionalism and vocational core competency. Fourth, self-directed learning ability had direct effect on vocational core competency.

• Journal of the Korea Institute of Information and Communication Engineering
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• v.25 no.8
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• pp.1060-1066
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• 2021

Recently, researches for quantum computers have been carried out in various fields. Quantum computers performs calculations by utilizing various phenomena and characteristics of quantum mechanics such as quantum entanglement and quantum superposition, thus it is a very complex calculation process compared to classical computers used in the past. In order to simulate a quantum computer, many factors and parameters of a quantum computer need to be analyzed, for example, error verification, optimization, and reliability verification. Therefore, it is necessary to visualize circuits that can intuitively simulate the configuration of the quantum computer components. In this paper, we present a novel visualization method for designing complex quantum computer system, and attempt to create a 3D visualization toolkit to deploy large circuits, provide help a new way to design large-scale quantum computing systems that can be built into future computing systems.

• School Mathematics
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• v.15 no.2
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• pp.389-404
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• 2013

Researchers have suggested that students should be experienced in progress of geometric thinking set out in naive and intuitive level and deduced throughout gradual formalization rather than completed mathematics are conveyed to students for students' understanding. This study examined naive and intuitive thinking of students by investigating students' geometric problem solving without diagrams. The students showed these naive thinking: lack of recognition of relation between problem and conditions, use of intuitive judgement depending on diagrams, lacking in understanding of role of specific case, and use of unjustified assumption. This study suggests implication for instruction in geometry.

• Journal of the Korea Computer Industry Society
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• v.4 no.4
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• pp.569-578
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• 2003

This paper presents a method in which the user produces a real-time facial animation by navigating in the space of facial expressions created from a great number of captured facial expressions. The core of the method is define the distance between each facial expressions and how to distribute into suitable intuitive space using it and user interface to generate realtime facial expression animation in this space. We created the search space from about 2,400 raptured facial expression frames. And, when the user free travels through the space, facial expressions located on the path are displayed in sequence. To visually distribute about 2,400 captured racial expressions in the space, we need to calculate distance between each frames. And we use Floyd's algorithm to get all-pairs shortest path between each frames, then get the manifold distance using it. The distribution of frames in intuitive space apply a multi-dimensional scaling using manifold distance of facial expression frames, and distributed in 2D space. We distributed into intuitive space with keep distance between facial expression frames in the original form. So, The method presented at this paper has large advantage that free navigate and not limited into intuitive space to generate facial expression animation because of always existing the facial expression frames to navigate by user. Also, It is very efficient that confirm and regenerate nth realtime generation using user interface easy to use for facial expression animation user want.

• Journal for History of Mathematics
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• v.22 no.3
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• pp.171-186
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• 2009

$Poincar\acute{e}$ is mathematician and the episodes in his mathematical invention process give suggestions to scholars who have interest in how mathematical invention happens. He emphasizes the value of unconscious activity. Furthermore, $Poincar\acute{e}$ points the complementary relation between unconscious activity and conscious activity. Also, $Poincar\acute{e}$ emphasizes the value of intuition and logic. In general, intuition is tool of invention and gives the clue of mathematical problem solving. But logic gives the certainty. $Poincar\acute{e}$ points the complementary relation between intuition and logic at the same reasons. In spite of the importance of relation between intuition and logic, school mathematics emphasized the logic. So students don't reveal and use the intuitive thinking in mathematical problem solving. So, we have to search the methods to use the complementary relation between intuition and logic in mathematics education.