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Comparative Analysis of Linear and Nonlinear Projection Techniques for the Best Visualization of Facial Expression Data (얼굴 표정 데이터의 최적의 가시화를 위한 선형 및 비선형 투영 기법의 비교 분석)

  • Kim, Sung-Ho
    • The Journal of the Korea Contents Association
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    • v.9 no.9
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    • pp.97-104
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    • 2009
  • This paper describes comparison and analysis of methodology which enables us in order to search the projection technique of optimum for projection in the plane. For this methodology, we applies the high-dimensional facial motion capture data respectively in linear and nonlinear projection techniques. The one core element of the methodology is to applies the high-dimensional facial expression data of frame unit in PCA where is a linear projection technique and Isomap, MDS, CCA, Sammon's Mapping and LLE where are a nonlinear projection techniques. And another is to find out the methodology which distributes in this low-dimensional space, and analyze the result last. For this goal, we calculate the distance between the high-dimensional facial expression frame data of existing. And we distribute it in two-dimensional plane space to maintain the distance relationship between the high-dimensional facial expression frame data of existing like that from the condition which applies linear and nonlinear projection techniques. When comparing the facial expression data which distribute in two-dimensional space and the data of existing, we find out the projection technique to maintain the relationship of distance between the frame data like that in condition of optimum. Finally, this paper compare linear and nonlinear projection techniques to projection high-dimensional facial expression data in low-dimensional space and analyze it. And we find out the projection technique of optimum from it.

Effect Cross-national Brand Personality on Preference and Revisiting in Fastfood Restaurant (한.중 대학생의 브랜드 개성이 선호도 및 재방문에 미치는 영향)

  • Lee, Sang-Mi
    • The Journal of the Korea Contents Association
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    • v.9 no.9
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    • pp.403-410
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    • 2009
  • This paper is to find out which factors affect preference and revisiting on brand personality according to cross-national college students in Korea and China, and to suggest distinguished strategies for attracting core customers continuously on each country and restaurants. The questionary hand out each 150, then used for data analysis 142 in Korean, 122 in China. The results come up with; First, It couldn't compared huge gap for McDonald and Burger King in sampling. Second, three variables (successful, harmony, and western) are highly recognized brand personality in Korean. They should build up powerful image to communicate 20's ages. For Chinese that ranked highly three variables (Darling, Friendly, and Sincere), they reinforced warm-hearted image with special character, providing promotion coupon, and various event. Third, because 2 factors(Sincere and Sensitivity) had significant in preference for Korean and Chinese. It should be formed non-producted parts which are visual decoration, atmosphere, uniform and music. Also, 'feminine' had meaningful for Chinese. Fourth, 'Sincere' was connected directly in revisiting for Korean and Chinese. Trust Is prior to customer and brand. Also, for Korean, 'sensitivity' had significant. Therefore, it should make exciting surrounding, and atmosphere.

A Study of Children's Statements in sexual violence cases of children less than the age of 13 -Focusing on video-recorded hearsay evidence- (13세미만 아동성폭력 재판에서의 아동진술연구 -영상매체를 통한 전문 증거를 중심으로-)

  • Park, Yeon Ju;Kim, Jung Woo
    • Journal of the Korean Society of Child Welfare
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    • no.55
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    • pp.87-111
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    • 2016
  • This study aimed to examine how video-recorded hearsay statements are taken in trial with regard to testimony of children less than the age of 13 in terms of children's rights, and to assess policy implications for the purpose of improving the current system. This study analyzed the precedents in accordance with their facts and contents. The analysis of the contents dealt with the main issues of trials concerning the sexual violence of children less than the age of 13. Specifically, This study selected precedents dealing with video-recorded hearsay statements, which are children's indirect statement, as core legal issues; examined the credibility(probative power) and admissibility of video-recorded statements; and prepared systemic alternatives in accordance with the United Nations Convention on the Rights of the Child, the international standards for the protection of children's rights. As a result, this study proposed creating and utilizing indicators to assess evidence admissibility and the credibility of video-recoded statements in trial, thus reducing judgement through judges' discretion. Also proposed are new regulations with regard to cross-examination coverage of the hearsay statement of a child in a sexual violence trial of concerning children less than the age of 13. This study suggests an improvement in legal policies, based given that children's rights are more vulnerable than those of adults in trial. Nevertheless, this study is limited in that it selected and reviewed only among precedents that are in the public record.

The Influence of the Characteristics of Start-ups on the Performance of Start-up Firms - Based on the Mediated Effects of Start-up Behavior - (창업가 특성이 창업기업의 경영성과에 미치는 영향 -창업행동의 매개효과를 중심으로-)

  • Yoo, Seung-Ok
    • The Journal of the Korea Contents Association
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    • v.19 no.10
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    • pp.165-178
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    • 2019
  • Start-up companies have recently emerged as an important pillar of the national economy, becoming the core of expanding new growth engines and creating jobs for the national economy. Accordingly, this study used the Start-up Behavior (opportunity discovery, opportunity utilization) as the main variable to verify the parameter effects, and empirically analyzed the factors of the start-up characteristics on the management performance of the start-up company. To achieve this goal, 221 technology-intensive start-ups 2 to 7 years old were surveyed and analyzed for 22 days from March 4 to March 25, 2019. In summary, the results of the study are as follows. First, it has been shown that "starting-up characteristics" have a positive influence on "start-up behavior." Second, it has been shown that "creative behavior" has a positive influence on "management performance." Third, the effect of "starting-up characteristics" on "start-up behaviour" was shown to be different according to "population statistical characteristics (gender, educational background). Fourth, the effect of "starting up action" on "management performance" was shown to be different according to the demographic characteristics (gender, educational background). Finally, "Start-up Action" has been shown to have a mediated effect in the relationship between "Start-up Characteristics" and "management performance."

A Study on Effects of Experiential Value of Hotel users for 5 Star Hotels on Usage Satisfaction and Continuous Usage Intention (특급호텔 이용객의 경험가치가 이용만족과 지속적 이용의도에 미치는 영향관계 연구)

  • Lee, Soon-Taek
    • The Journal of the Korea Contents Association
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    • v.19 no.10
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    • pp.59-68
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    • 2019
  • To continue the growth of use of 5-star hotels by Koreans, who have recently shown the consumption trends pursuing the empirical value of a consumption process, and have turned into core customers of 5-star hotels in Seoul, it is necessary to study factors of experience value pursued by Koreans. As a result, fantasy is identified as a major leading factor in usage satisfaction among experiencial values. So it is important to reflect special concepts and atmospheres for emotional values, such as other world experience, new experience, and high-quality experience. And consumer return on investment was identified as a leading factor in positively affecting usage satisfaction. So it is important to develope a proper products that can enough benefits with reasonable prices. In the relationship between usage satisfaction and continuous usage intention, gender characteristics and occupational characteristics were found to play a moderating role. Male customers, and those with professional and self-employed occupations, were found to have higher continuous usage intention than females and other occupational customers. This is a result of the fact that customers with an economical power are likely to be continuous repeat customers of 5-star hotels, so the necessity of strengthening marketing activities such as research on the development of more differentiated and specialized products, service creation and atmosphere production for excellent consumers group.

Consumers' Perception of Intelligent Vehicle (지능형 자동차에 대한 소비자의 인식 유형 연구)

  • Kim, Gibum;Lee, Hyejung;Lee, Jungwoo
    • The Journal of the Korea Contents Association
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    • v.18 no.12
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    • pp.405-420
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    • 2018
  • As the intelligent vehicle market continues to develop relevant technologies and services for consumers, it is necessary to understand the characteristics of potential consumers. The purpose of this study is to identify and understand the types of potential consumers of intelligent vehicle using the Q-methodology. A Q-frame was constructed using thirty six statements from intelligent vehicle related literature concerning core technology, technology acceptance and personal consumption value, legal system and policy and social awareness. Q-sorting and in-depth interviews were conducted using thirty nine P-samples snowballed. Analysis produced four types of potential consumers for intelligent vehicle: Smart Car Consumer, Reasonable Consumer, Safety Car Consumer, and Smart Device Consumer. Smart Car Consumer value the vehicle capability of intelligent vehicle as most important while Reasonable Consumer focus upon the economics of intelligent vehicle. Safety Car Consumer recognize the safety of intelligent vehicle as most important while Smart Device Consumer highly value the IT functions provided by intelligent vehicles. Across these four different types of consumers, preventing injuries of intelligent vehicle drivers turned out to be the most common critical factor in assessing intelligent vehicle. Implications for the intelligent vehicle market is discussed at the end with further studies needed.

A cognitive psychological consideration of Michael Chehov's acting techniques (미카엘 체홉 연기 테크닉에 대한 인지심리학적 고찰)

  • Jin, Hyun-Chung;Cho, Joon-Hui
    • (The) Research of the performance art and culture
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    • no.37
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    • pp.365-389
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    • 2018
  • This research aims to study Michael Chekhov's acting techniques scientifically, because his techniques has been studied only theoretically or empirically. Especially, this study focuses on 'imagination' and 'Psychological Gesture' from the perspective of cognitive psychology. Chekhov thought 'imagination' as the basis and core of all the works of acting. In cognitive psychology, it is called as 'imagery' and means 'a representation of the mind of the object not communicated by the sensory organs currently'. This study starts with defining imagery and takes a brief look at the features and kinds of imagery. Then the researcher will prove scientifically the possibility of training acting using imagery as Chekhov's assertion. For the proof of the validity of imagery, we'll look for the theoretical evidences-functional equivalence hypothesis, psychoneuromuscular theory, symbolic learning theory, psychophygiological information processing-and experimental ones-measurements of cerebral blood flow or event-related potential, experiments with fMRI(functional magnetic resonance imaging) or PET(positron emission tomography). As a result, we can see that imagery is functionally identical to perception and improves fulfillment of cognitive and physical tasks. As proving physical changes can draw out psychological changes(feeling) on the medium of imagery, we can also see the validity of Psychological Gesture. From the above research, even if Chekhov developed the acting techniques only on the basis of his experience, his techniques can be thought as having scientific validity. Though insufficient, this study can be a help for actors or students as they using Chekhov's techniques.

The Trends and Prospects of ICT based Education (ICT를 활용한 교육의 동향과 전망)

  • Woo, Hyun-Jeong;Jo, Hye-Jeong;Choi, Yool
    • Informatization Policy
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    • v.25 no.4
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    • pp.3-36
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    • 2018
  • This article discusses the possibilities and limitations of ICT education by reviewing the previous research on its various aspects including educational goals, contents, methods, and evaluation. First, when it comes to its educational goal, the prior studies suggest that ICT education aims to nurture digital citizenship among students and to enable them to participate in different sectors of our society. ICT education characterizes the core capacities of its future learners as 'lifelong learners,' 'information producers/consumers,' and 'local/global citizens.' Second, in regard to the educational content of ICT education, researchers investigate SW education importantly: They develop the educational programs and examine the effectiveness of those programs. However, to ensure the relevancy of the educational contents to the future society, institutional support is imperative including facilitating educators' capacities and synchronizing ICT education with subject education. Third, as the educational methods, various ICTs such as flipped learning and augmented reality (AR) are being applied to actual classroom teaching. Research on the educational methods, which is the most vibrant area in the ICT education scholarship, is expected to improve the previous educational methods and to lead the qualitative development of ICT education. Fourth, the previous discussion on the educational evaluation focuses on computer-based evaluations. Educational evaluation using ICT will enable educators to assess the characteristics and achievement of an individual learner accurately and to lead them to apply a teaching-learning process effectively, which will ultimately enhance the effectiveness of educational evaluation. Along with the overall review on the possibilities of ICT education, this article discusses the limitations of the current ICT education and its implications for educational inequalities.

Development of Designs for an Early Developmental Disorder Screening Questionnaire for Multicultural Families (다문화가정을 위한 발달장애 조기 선별검사지 디자인 개발)

  • Lee, Seung-Hyun;Park, Soo-Jin
    • The Journal of the Korea Contents Association
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    • v.19 no.9
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    • pp.262-270
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    • 2019
  • This study aimed to develop designs for an early screening questionnaire for developmental disorders among children from multicultural families in the Republic of Korea, who are at an increased risk of developmental disorders due to cultural and language barriers. Research on early screening questionnaires for multicultural families is extremely scanty, unlike that on ordinary early detection tests designed for the same category of disorders. Worse still, there have been no attempts made at overcoming the limitations of language-based and intercultural communication that are endured by multicultural parents and social workers in the field. Given the challenges, this study confirmed through professional seminars the present status of early developmental disorder screening questionnaires and the necessity for developing specialized versions for multicultural children. Then the study identified the needs of the stakeholders by employing surveys and interviews, and obtained insights and core design elements. These preceding implementations led to the creation of an early developmental disorder screening questionnaire for multicultural families. The test kit incorporates the style of illustrations preferred by multicultural parents, as well as a system of language-specific interpretation services. Produced in a leaflet format, the questionnaire will be used at support centers for multicultural families and for disabled persons in each district for the practical purpose of early screening of developmental disorders among multicultural infants and preschool children.

A Study on Technological Forecasting for Promising Alternative Technologies Using Fisher-Pry Modification Model (Fisher-Pry 수정모형을 활용한 유망대체기술 예측에 관한 연구)

  • Hong, Sung-Il;Kim, Byung-Nam
    • The Journal of the Korea Contents Association
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    • v.19 no.5
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    • pp.104-114
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    • 2019
  • In the global market competition, countries and businesses are actively engaged in technology prediction activities to maximize their profits by attempting to enter and preempting the core technology of the future. In this paper, we propose a growth model based on patent application trends to predict the time to replace a product with a promising new technology to dominate the market. Although the Fisher-Pry model that Bhargava generalized to predict the emergence of promising alternative technologies was relatively satisfactory compared to the original Fisher-Pry model, it was difficult to predict the replacement rate behavior properly due to a parameter problem. The application of the Fisher-Pry Modification Model in the form of a quadratic equation through the patent trend analysis of the optical storage system for the purpose of verifying the time alternative to the light storage technology has resulted in satisfactory verification results. It is expected that small and medium-sized companies and individual researchers will apply this model and use it more easily to predict the time to replace the market for promising replacement technologies.