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Locally Linear Embedding for Face Recognition with Simultaneous Diagonalization (얼굴 인식을 위한 연립 대각화와 국부 선형 임베딩)

  • Kim, Eun-Sol;Noh, Yung-Kyun;Zhang, Byoung-Tak
    • Journal of KIISE
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    • v.42 no.2
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    • pp.235-241
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    • 2015
  • Locally linear embedding (LLE) [1] is a type of manifold algorithms, which preserves inner product value between high-dimensional data when embedding the high-dimensional data to low-dimensional space. LLE closely embeds data points on the same subspace in low-dimensional space, because the data points have significant inner product values. On the other hand, if the data points are located orthogonal to each other, these are separately embedded in low-dimensional space, even though they are in close proximity to each other in high-dimensional space. Meanwhile, it is well known that the facial images of the same person under varying illumination lie in a low-dimensional linear subspace [2]. In this study, we suggest an improved LLE method for face recognition problem. The method maximizes the characteristic of LLE, which embeds the data points totally separately when they are located orthogonal to each other. To accomplish this, all of the subspaces made by each class are forced to locate orthogonally. To make all of the subspaces orthogonal, the simultaneous Diagonalization (SD) technique was applied. From experimental results, the suggested method is shown to dramatically improve the embedding results and classification performance.

A Study on the Ending Type of Movie Plot from the Viewpoint of Problem Based Storytelling : Focusing on 'StoryHelper' (문제 기반 스토리텔링의 관점에서 본 영화 플롯의 결말 유형 연구 : '스토리헬퍼'를 중심으로)

  • Yun, Hye-Young
    • Cartoon and Animation Studies
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    • s.50
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    • pp.187-214
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    • 2018
  • The problem-based storytelling of the three-act structure, which sees the plot of the story as a solution to the problem of the character, has been the guide of creation to the creator of popular stories since Aristotle. Also problem-based storytelling has served as a schema that provides dramatic catharsis to the audience of the story, and one of the dramatic catharsis It has been working as a schema. This problem - based storytelling has been used as a structure for story production programs that have been developed since the 1980s. However, this story authoring program is focused only on the external problem of the story, but it has the limitation of producing the story that can not solve the internal problem of the character and provide the catharsis. This paper analyze the plot structure of 'StoryHelper', which is a domestic story authoring program, and the ending of 900 films, both domestic and foreign, which are database in 'StoryHelper'. 'StoryHelper' presents a problem-based plot structure that can consider not only external problems but also internal problems by applying causality and mythical episodes. The structure of these plots is based on the parameters of external problem solving, unresolved internal problem solving, and unresolved variables maturity plot(542films), disillusion plot(111films), education plot(132films), tragedy plot(205films). The results of this analysis are expected to provide a meaningful structure for plot-based creative and creative program development.

The Validity and Reliability of Communication Skills Attitude Scale (CSAS) for Nursing Students (간호대학생의 의사소통 태도 측정도구 타당도 및 신뢰도 검증)

  • Song, Mi-Ok;Yun, So-Young
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.18 no.3
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    • pp.345-355
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    • 2017
  • The purpose of this study was to examine the validity and reliability of the Communication Skills Attitude Scale, which is used to examine communication learning attitudes for domestic nursing students. Study subjects were 401 nursing students at two nursing college who completed the CSAS scale consisting of 26 items from June 1 to 15. Data were analyzed using exploratory factor analysis, confirmatory factor analysis, internal consistency with IBM Statistics SPSS 21.0, and the IBM Statistics AMOS 21.0 program. To verify the construction factor of the scale, exploratory factor analysis with varimax rotation was performed, resulting in four factors but confirmed positive and negative attitudes two factors with 19 items considering the construct of theory and interpretability. The internal structure of the scale was schematized using confirmatory factor analysis, and goodness of fit of the final research model was very appropriate as shown by ${\chi}^2=446.475$ (df=148, p<0.001), TLI=.90, CFI=.91, RMSEA=.07, SRMR=.05. The final scale consisted of 19 items and two factors based on the confirmatory factor analysis. Cronbach's ${\alpha}$ for final scale was .90, showing internal consistency. The CSAS is expected to be useful to monitor the effectiveness of multiple teaching strategies about communication for domestic nursing students.

How Gamification Moves Students: A Study on Psychic Anti-entropy and Meme through Analysis of Study Time Management Services (게이미피게이션은 어떻게 학생들을 움직이는가: 학습시간 관리서비스 분석을 통한 심리적 반엔트로피와 밈에 관한 연구)

  • Shin, Jongcheon;Yoon, Joonsung
    • Journal of Korea Game Society
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    • v.17 no.1
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    • pp.27-40
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    • 2017
  • This study explores the concept of Study Time Management Service(STMS) and the characteristics of gamification elements in STMS, in order to propose the meaning of psychic anti-entropy and the role of a meme as a new gamification element. The goal of gamification in education is to enhance study motivation and lead to flow by integrating similarities between game and study into the study environment. STMS also aims at such a goal. However, it differs in that the external anti-entropy environment, such as blocking apps, is connected with game mechanics or game thinking to give extrinsic motivation. It is also unique in that it uses a meme as a new gamification element to induce intrinsic motivation. In particular, a meme as a kind of guideline for performing study activities induces intrinsic motivation to imitate good study patterns and offers the driving force to sustain psychic anti-entropy state. Therefore, gamification in STMS is to strengthen the external anti-entropy environment by utilizing game mechanics or game thinking, and to maintain the psychic anti-entropy state by utilizing a meme of study patterns.

A Study on the 'Re-appearance of Picturing ' in the On-Line Community (온라인 커뮤니티에서의 픽처링 재현에 관한 연구)

  • Son, Keum-Sun;Yoon, Jun-Sung
    • 한국HCI학회:학술대회논문집
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    • 2007.02b
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    • pp.737-742
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    • 2007
  • The concept of 'Picturing' is beyond the 'Illusion' of traditional art in the Digital Media era. It is a 'Suffering' of the 'Re-appearance' that is masquerade the 'Actual' as a 'Digital Apparition.' This study aims to concern the point of view on the above subject; the 'Picturing' through the analysis of communication problems in the digital era. To begin with, need to define the concept of 'Picturing' and how it is expected to have a role through the accessibility of medium use, intervention by body and images. Also, I suggest a new approach to 'Picturing' as a new mutual communication method. Body, Digital media, and Image. These three principles of 'Picturing' create huge benefits to our world/nature whether we want it or not. It seems to become more and more of powerful self-replicating organism. We have to be aware what sort of images are surrounding us and how transmitting it to where in/on our body via newest sophisticated media we use. 'Picturing' is an invasion of ordinary, no longer exists pleasure for body, no longer speaks intension of its next destination. It strongly self-grows and also controls us in the name of Digital media era. However, 'Picturing' is a mode of re-imaging activity and also suggestion of re-appearance practice.

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A Study on Graduate School Choice Conviction Related in Dental Hygienics (치위생학 전공 석사과정 대학원생의 대학원 선택 확신 영향 요인 분석)

  • Moon, Hak-Jin;Lim, Soon-Ryun;Lee, Geun-Yu;Han, Ye-Seul
    • Journal of dental hygiene science
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    • v.15 no.4
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    • pp.495-502
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    • 2015
  • In this study, it was to understand the factors influencing choice conviction of dental hygiene major graduate school of dental hygienist. This study aims to provide the basic data for developing the dental hygienic profession. The study method was complete enumeration of the master's graduate 84 students majoring in dental hygiene in the country 8 graduate school. The results of this study, the analysis of the differences between the external factors and internal factors of graduate school choice, factors of financial accessibility factor related marriage factor. Factor of the education program were more unmarried. The average monthly income was found to have recognized high financial accessibility of factors, education program. Also the carrier is low, factor of the education program it was found to be high. The result of graduate school choice conviction, the more unmarried chosen choice conviction score in high, it choice conviction score was related to monthly income. The result of correlation analysis, external reputation, future, education program if high, it was found to have conviction of graduate school. In graduate school choice conviction external factors of education program and future factor was found to influence the choice of graduate school but internal factors was not found to influence. Therefore, we must seek the support measures that can deepen the sustainable development and dental hygiene of the dental hygienist.

An Analysis on Reliabilities of Scoring Methods and Rubric Ratings Number for Performance Assessments of Middle School Students' Science Investigation Activities (중학생 과학탐구활동 수행평가 시 채점 방식 및 척도의 수에 따른 신뢰도 분석)

  • Kim, Hyung-Jun;Yoo, June-Hee
    • Journal of The Korean Association For Science Education
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    • v.30 no.2
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    • pp.275-290
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    • 2010
  • In this study, reliabilities of holistic scoring method and analytic scoring method were analyzed in performance assessments of middle school students' science investigation activity. Reliabilities of 2, 3, and 4~7-level rubric ratings for analytic scoring methods were compared to figure out optimized numbers of rubric ratings. Two trained raters rated four activity sheets of 60 students by two rating methods and three kinds of rubric ratings. Internal consistency reliabilities of holistic scoring methods were higher than those of analytic scoring methods, while intrarater reliabilities of analytic scoring were higher than those of holistic scoring methods. Internal consistency reliabilities and intra-rater reliabilities of 3-level rubric rating showed similar patterns of 4~7-level rubric ratings. But students' discriminations, item difficulties and item-response curves showed that the 3-level rubric ratings was reliable. These results suggest that holistic scoring method could be adapted to increase internal consistency reliabilities with improvement in intra-rater reliabilities by rater's conferences. Also, the 3-level rubric rating would be enough for good reliability in case of adapting analytic scoring methods.

Relationship between Leisure Constraints, Participation in Sports for All and Subjective Happiness among Private Guards (민간경비원의 여가제약과 생활체육 참가 및 주관적 행복감의 관계)

  • Kim, Kyong-Sik;Kim, Pyung-Su;Kim, Chan-Sun
    • The Journal of the Korea Contents Association
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    • v.7 no.12
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    • pp.167-178
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    • 2007
  • This study is to examine the relationship between leisure constraints, participation in Sports for All and subjective happiness among private guards. To attain the goal of the study described above paragraphs, private guards held in Seoul were set as a collected group. Then, using cluster random sampling method, finally drewout and analyzed 193 peoples in total. The result of reliability analysis check up was here below; Chronbach's ${\alpha}=\;.725$. The conclusion drawn from this study is as follows: First, leisure constraints influences on the participation experience in Sports for All. Second, leisure constraints influences on the participation degree in Sports for All. The increase of leisure constraints in peripheral aspects results in the decrease of participation term of Sports for All. And the increase of leisure constraints in individual, peripheral aspects results in of participation intensity in Sports for All. Third, leisure constraints influences on subjective happiness. Fourth, leisure constraints results in the retributive effect on participation in Sports for All and subjective happiness. Namely, leisure constraints results in the indirect effect on subjective happiness through the participation in Sports for All is an important variable intermediating the relationship between leisure constraints and subjective happiness.

The Effect of Adversity Quotient of Small business CEOs on Customer Orientation: Mediating Effect of Entrepreneurial Orientation (소기업 CEO의 역경지수가 고객지향성에 미치는 영향: 기업가지향성의 매개역할)

  • Ku, Woongmo
    • Asia-Pacific Journal of Business Venturing and Entrepreneurship
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    • v.15 no.3
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    • pp.103-119
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    • 2020
  • This study aimed to derive theoretical and practical implications by analyzing the relationship between adversity quotient, entrepreneurial orientation, and customer orientation, which are the internal competency of start-up entrepreneurs affecting the performance of a small business CEO. As in previous domestic studies, we deviated from analyzing internal competency as a single-dimensional functional relationship to business performance, and attempted to explain the relationship between the internal competences of start-up entrepreneurs. Empirical analysis was conducted by setting the adversity quotient as an independent variable, the entrepreneurial orientation as a parameter, and the customer orientation as a dependent variable. As a result of the analysis, first, it was found that control and ownership, which are sub-elements of adversity quotient, have a positive effect on entrepreneurial orientation and customer orientation. Second, entrepreneurial orientation was found to have a positive effect on customer orientation. Third, it was found that only the ownership of the adversity quotient had a positive effect on customer orientation through the mediating effect of entrepreneurial orientation. In other words, it was found that the entrepreneur's ownership influences customer orientation through entrepreneurial orientation. On the other hand, endurance, sub-element of adversity quotient, was found to have no significant effect on entrepreneurial orientation and customer orientation. This means that in the rapidly changing New Normal era, endurance of entrepreneur can no longer have a large impact on entrepreneurial orientation and customer orientation. This study gives implications for the entrepreneur's competencies that must be developed first and the tendency to be developed together. Furthermore, it can be helpful in policy designing start-up support programs and guidelines for investors' investment standards.

Film Acting Studies of S. Eisenstein (에이젠슈테인의 영화연기론)

  • Chough, Song-Duk;Kim, Jong-Guk
    • Cartoon and Animation Studies
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    • s.45
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    • pp.177-195
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    • 2016
  • This article analyzes Sergei Eisenstein's acting theory, which is famous for his Russian montage. According to the existing discussions, he avoids the psychological realism through the concept of cut acting. It is a method like montage from the viewpoint that the practice of the cut action is segmented into shots. While Vsevolod Pudovkin, who asserts a connection montage, is looking for performance to portray a gradual change of emotion adopted by Konstantin Stanislavsky's psychological realism, Eisenstein prefers the acting of Vsevolod Meyerhold's masks in the same manner as the collision montage. This article traces the viewpoints on acting and actor that Eisenstein posed throughout his montage theory. It focuses on Film Sense(1942) and Film Form(1949), which are a collection of articles written by Eisenstein. As a result of examining the domestic and foreign literatures centering on Korean and English, it is hard to find the discussions on the analysis of Eisenstein's acting theory. Almost all of them are concentrated in his montage, among which the mention of acting is extremely limited. The cut acting, the typage, the inner techniques and processes of actor that express and induce the living emotions, and the acting of the integrating into diversity as one of the inner language are useful concepts in the creation and case analysis of contemporary films. Especially, his acting theory can be applied in the creation process of cartoons, webtoons, and animations which can meet the most decisive and impressive montage technique of Eisenstein. It is also possible to find many related cases for the analysis. This is why I look back on Eisenstein's film acting theory, and the results of the discussion will be a sufficient foundation for the derivation of related research.