• 한국학교보건학회지
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• 제30권3호
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• pp.336-343
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• 2017

Purpose: The purpose of this study is to identify influencing factors of subjective health status perception of obese college students. Methods: We used the data from the 2015 Community Health Survey. The subjects of this study included 951 obese college students. The data were analyzed using t-test, ANOVA and multiple linear regression with SPSS ver. 23. Results: The average score of subjective health status was $3.81{\pm}0.81$. Gender, age, residential area, stress and depression were found to be the influencing factors of subjective health status perception and explained 6.7% of the subjective health status. Conclusion: These findings indicate that effective intervention programs are needed to help obese college students correctly recognize their subjective health status and manage stress and depression.

• ETRI Journal
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• 제40권6호
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• pp.813-823
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• 2018

In existing mobile computing environments, users need to choose between their privacy and the services that they can receive from an application. However, existing mobile platforms do not allow users to perform such trade-offs in a fine-grained manner. In this study, we investigate whether users can effectively make utility-privacy trade-offs when they are provided with a multilevel privacy control method that allows them to recognize the different quality of service that they will receive from an application by limiting the disclosure of their private information in multiple levels. We designed a research model to observe users' utility-privacy trade-offs in accordance with the privacy control methods and other factors such as the trustworthiness of an application, quality level of private information, and users' privacy preferences. We conducted a user survey with 516 participants and found that, compared with the existing binary privacy controls, both the service utility and the privacy protection levels were significantly increased when the users used the multilevel privacy control method.

• Journal of Information Processing Systems
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• 제17권6호
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• pp.1138-1156
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• 2021

Emotional semantics are the highest level of semantics that can be extracted from an image. Constructing a system that can automatically recognize the emotional semantics from images will be significant for marketing, smart healthcare, and deep human-computer interaction. To understand the direction of image emotion recognition as well as the general research methods, we summarize the current development trends and shed light on potential future research. The primary contributions of this paper are as follows. We investigate the color, texture, shape and contour features used for emotional semantics extraction. We establish two models that map images into emotional space and introduce in detail the various processes in the image emotional semantic recognition framework. We also discuss important datasets and useful applications in the field such as garment image and image retrieval. We conclude with a brief discussion about future research trends.

• KSII Transactions on Internet and Information Systems (TIIS)
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• 제16권3호
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• pp.1076-1094
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• 2022

Technology for emotion recognition is an essential part of human personality analysis. To define human personality characteristics, the existing method used the survey method. However, there are many cases where communication cannot make without considering emotions. Hence, emotional recognition technology is an essential element for communication but has also been adopted in many other fields. A person's emotions are revealed in various ways, typically including facial, speech, and biometric responses. Therefore, various methods can recognize emotions, e.g., images, voice signals, and physiological signals. Physiological signals are measured with biological sensors and analyzed to identify emotions. This study employed two sensor types. First, the existing method, the binary arousal-valence method, was subdivided into four levels to classify emotions in more detail. Then, based on the current techniques classified as High/Low, the model was further subdivided into multi-levels. Finally, signal characteristics were extracted using a 1-D Convolution Neural Network (CNN) and classified sixteen feelings. Although CNN was used to learn images in 2D, sensor data in 1D was used as the input in this paper. Finally, the proposed emotional recognition system was evaluated by measuring actual sensors.

• International Journal of Computer Science & Network Security
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• 제24권3호
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• pp.53-58
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• 2024

The Internet of Things (IoT) enables the connection of millions of disparate devices to the World Wide Web. To perform the task, a lot of smart gadgets must work together. The gadgets recognize other devices as part of their network service. Keeping participating devices safe is a crucial component of the internet of things. When gadgets communicate with one another, they require a promise of confidence. Trust provides certainty that the gadgets or objects will function as expected. Trust management is more difficult than security management. This review includes a thorough examination of trust management in a variety of situations.

• 디지털융복합연구
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• 제12권4호
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• pp.475-484
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• 2014

이 연구는 거창국제연극제 방문객을 대상으로 설문조사를 실시하여 방문객이 인식하는 거창국제연극제의 만족도와 기여정도에 대해 조사하고 지출비용을 분석하여 경제적 파급효과 분석과 전문가 심층인터뷰 조사를 실시하여 거창국제연극제의 발전방안을 모색하였다. 관람객 인식조사결과 거창국제연극제가 지역발전과 공연예술발전에 기여하고 있으며, 거창을 예술의 도시로 이미지화 하는데 기여하고 있다고 대체로 인식하고 있는 것으로 나타났다. 방문객들은 축제와 공연작품에 대체로 만족하고 있는 것으로 나타났으나 숙박, 교통, 서비스 품질 등에는 만족도가 떨어지는 것으로 분석되었다. 경제적 파급효과는 직접효과는 128,000천 원, 간접효과는 생산 160억 3천8백만 원, 소득 3억 1천9백만 원, 부가가치 75억 4천9백만 원, 수입 19억 2천6백만 원, 조세 7억8천만 원 등으로 분석되었다.

• 한국정보시스템학회지:정보시스템연구
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• 제21권3호
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• pp.23-44
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• 2012

The first purpose of this paper is to identify factors having an effect on the user satisfaction of the SNS(Social Network Services) users and to examine causal relationships among those factors. The second is to examine how the causal relationships between the factors could be changed in the service types in SNS, which would be divided into web based SNS and mobile SNS. For achieving the purposes, we established the research model and hypotheses based on Information Success and Technology Acceptance Model. The characteristics of the SNS users consist of Individual Innovation and Social Influence while the characteristics of the SNS system consist of Information Quality and System Quality. The hypotheses were verified by analyzing data, which was collected from survey research on users of the SNS, with AMOS 18.0 statistical package. As a result, the first, we observed that more important the SNS users would consider the social relation, more useful they would recognize the function of SNS. The second, we observed that faster and easier the users could obtain hourly information in diversity, more useful they would recognize the function of SNS. The third, we observed that more innovative the mobile SNS users would become, more negative they would consider the usefulness of SNS. The fourth, we observed that more important the web based SNS users would consider the social relation, more negative they would consider the usefulness of SNS.

• 로봇학회논문지
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• 제9권3호
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• pp.185-195
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• 2014

This study aims to look into students' and teachers' recognition about learning with a humanoid robot and seek for a policy implication for the direction of education using humanoid robot. To achieve this goal, a survey with elementary school students and teachers was used as the method of analysis. The main results are as follows: There was a difference in the recognition of the teachers and the students regarding the most effective subject through the use of humanoid robot. While the students consider Physical Education as the major subject, the teachers consider Science as the one. The students recognize that the use of humanoid is most effective in helping their learning while the teachers recognize that it is most effective in helping their teaching. As an expected positive effect, both of them choose an increase in interest in learning as the main effect of the use of humanoid robot, but the students, unlike the teachers, consider the improvement of their academic achievement as its main effect as well. These results show differences in the recognition of the use of humanoid between the teachers and the students, and in addition, confirm the difference between them depending on their background.

• International Journal of Advanced Culture Technology
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• 제8권3호
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• pp.106-113
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• 2020

This study analyzed the impact of leisure activities on school life satisfaction in the cultural rights and self-determination of teenagers who spend most of their time in school in the college entrance exam-oriented climate, and examined the effects of happiness and life satisfaction on the school life satisfaction through a process macro applying Bias Corrected Bootstrapping in these relationships. For research purposes, 2,590 cohorts in the first year of the 2018 Korea Children and Youth Panel Survey were analyzed through process macros. The result was that leisure life had a significant effect on school life satisfaction. It was also found that happiness and satisfaction in life affect satisfaction, and happiness and satisfaction in life affect satisfaction in school life and serve as a medium. This study confirmed that teenagers' participation in leisure activities greatly affects school life satisfaction and that happiness and life satisfaction have a mediating effect on school life satisfaction. In addition, we could recognize the importance of leisure activities to the satisfaction of school life of teenagers, and find it necessary to develop and provide various program graphs of schools and communities for happiness and satisfaction in life. This study verified that the participation of leisure activities of adolescents has a significant effect on school life satisfaction, and that happiness and life satisfaction have a mediating effect on school life satisfaction. In addition, we could recognize the importance of leisure activities to the satisfaction of school life of teenagers, and find it necessary to develop and provide various program graphs of schools and communities for happiness and satisfaction in life. Therefore, this research is believed to be possible to contribute to academic and practical programs for youth leisure activities and school life relationships, and to make policy suggestions for the development and participation of various leisure activities in order to fully enjoy and protect youth's rights to culture and self-determination of leisure activities.

• 대한소아치과학회지
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• 제35권4호
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• pp.700-708
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• 2008

본 연구는, 보호자가 바라보는 진정법의 모습과 이를 통해 보호자들이 얻고자 하는 것과 원하는 것이 무엇인지를 알고 보호자들의 높은 만족도와 능동적인 협조를 이끌어 내기 위한 목적으로 시도되었다. 2006년 7월부터 9월까지 경희대학교 병원 소아치과에 내원한 신환 보호자 168명과 의식하진정법을 경험한 환자의 보호자 50명을 대상으로 설문조사를 실시하였다. 설문지는 신환 보호자용과 진정법 경험 보호자용으로 제작하여 설문을 실시하였다. 조사결과 다음을 알 수 있었다. 1. 일반적인 의식하진정법에 대한 정보의 제공이 주로 주변 사람들에 의해 제한적이고 수동적으로 이루어 졌으며, 비전문적인 성향임을 알 수 있었고, 또한 소아치과 진료영역에서의 의식하진정법에 대한 정보의 제공이 부족함을 알 수 있었다. 2. 신환 보호자와 진정법을 경험한 환자 보호자 모두에서 환아의 공포감 감소에 가장 큰 관심을 가지고 있었다. 3. 행동 개선보다는 환아의 심리적 개선에 있어 보호자가 느끼는 만족감이 크며, 따라서 진정법 시 행동 개선의 목적 보다는 환아의 공포감 및 불안감 감소에 초점을 두어야 겠다. 4. 신환 보호자의 경우 진정법의 안정성에 대한 인식이 정립되어 있지 않았고, 진정법을 경험한 보호자의 경우 모르겠다는 것과 불안하다는 대답이 대부분을 차지하여 경험을 하였음에도 올바른 안전성에 대한 인식을 하지 못하고 있었다.