• Proceedings of the Korea Society of Design Studies Conference
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• 2005.10a
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• pp.30-31
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• 2005

• 한국정보디스플레이학회:학술대회논문집
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• 2009.10a
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• pp.303-303
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• 2009

As the technology advances, the product design process is also being complicated. These days, it is common for engineers to consider socio-psychological factors as well as technological elements in the design process. In this work, I will explain why and how engineers make allowances for human factors in developing and designing technological products.

• Korean Journal of Human Ecology
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• v.22 no.5
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• pp.433-445
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• 2013

The purpose of this study was to investigate the effects of children's temperament, parent-child communication, peer relationships on children's cognitive and affective happiness. The participants consisted of 396 elementary school students aged 10-13 dwelling in Jeonbuk province. Data was analyzed through descriptive statistics, t-test, regression analysis using the SPSS 18.0 program. The most salient results from this study were as follows: first, there were statistically significant differences in the children's happiness according to academic performance and family's economic level; children who considered themselves to have good grades and to have a higher standard of living were happier than other groups. However, there was no significant difference in children's happiness in relation to gender. Second, children's temperament(sociability, activity), parent-child open communication and peer relationships were positively associated with the children's cognitive and affective happiness. Children's emotional temperament, parent-child problem communication were negatively associated with the children's cognitive and affective happiness. Third, as the results of regression analysis, parent-child open communication, children's temperament(activity, sociability), peer relationships were considered to be the most influential factors in explaining cognitive happiness. And parent-child open communication, parent-child problem communication, children's temperament(activity) were influential factors in explaining affective happiness. In conclusion, children's happiness is critically affected not only by internal variables but also environmental ones such as parents and peers.

• Journal of rehabilitation welfare engineering & assistive technology
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• v.5 no.1
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• pp.65-70
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• 2011

A communication is one of the most important factors for the human beings. Therefore, people who have some problems in communication need an Augmentative & Alternative Communication (AAC) intervention to live in the human societies and several AAC systems have been developed to help the people. Lately, smart-phone is widely used to people as a communication device which can connect between persons. It can provide many useful methods and Apps to the user. If the AAC system is unified to the smart-phone, it is very effective device to the people with disabled because they can reduce the excessive expense and easily accommodate themselves to the AAC system. In this paper, an AAC program which is installed in the smart-phone or tablet PC is introduced. It has basic AAC solutions and can send SMS message to other people. We expect that the developed device can help the communication of the people with disabled and solve the social isolation of the disabled person.

• Korean journal of communication and information
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• v.46
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• pp.420-448
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• 2009

This paper aims at advancing the understanding of human communication by reflecting the role of the consciousness of time in television communication. As the past, the present and the future are not independent realities, but co-exist in the human consciousness, the 'experience' and the 'expectation' are used as two essential conceptual tools which explain the mechanism of operation of the consciousness of time. The man anticipates the future based on the experience updated in the present, and chooses a present action and feels an emotion according to the expectation. The consciousness of time is extended to the symbolic instrument of time and the dominant vision of the world in the process of the socialization. The role of the consciousness of time in television communication is analyzed in both genres of information and fiction based on the media characteristics of television. The information and the fiction genres oppose to each other according to their relationships to the reality, but it turned out that their effects of communication such as enjoyment and novelty depends in common on the way of using the televiewer's consciousness of time.

• Journal of Digital Convergence
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• v.17 no.10
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• pp.149-158
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• 2019

Drawing on literatures from communication strategy and human resource management, this study examines how perceived communication satisfaction can affect turnover intention and also figure out mediating effect through affective commitment. We analyzed a data set from one of the largest government organizations in health and medical treatment including 267 employees's sample. Apart from previous studies, this study emphasizes perceived communication satisfaction is a critical factor rather than communication policies. Also, affective communication partially mediates the relationship between perceived communication satisfaction and turnover intention. Our theory and findings provide new insight into human resource management field in growing Korean organizations.

• 제어로봇시스템학회:학술대회논문집
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• 2002.10a
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• pp.36.3-36
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• 2002

$\textbullet$ Motion capture system $\textbullet$ Exoskeleton mechanism $\textbullet$ Kinematics analysis $\textbullet$ Man-machine Interface $\textbullet$ Wireless communication $\textbullet$ Control algorithm

• Journal of Satellite, Information and Communications
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• v.8 no.2
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• pp.44-49
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• 2013

LED communication is a wireless communication technology to transmit information using visible light coming out from the LED(Light Emitting Diode). It is a technique that can overcome RF(Radio Frequency) communication problems that are frequency allocations, human body hazards, security vulnerabilities, and interference between electronic devices. As a technique that can be used as lighting and communications with using LED, LED communication is suitable for ubiquitous environment. This paper introduces the process of data transmission algorithm for LED communication systems algorithm using LED, PD(Photodiode), and MCU(Micro Controller Unit).

• International Journal of Internet, Broadcasting and Communication
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• v.12 no.4
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• pp.83-92
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• 2020

A recent study to determine the fall is focused on analyzing fall motions using a recurrent neural network (RNN), and uses a deep learning approach to get good results for detecting human poses in 2D from a mono color image. In this paper, we investigated the improved detection method to estimate the position of the head and shoulder key points and the acceleration of position change using the skeletal key points information extracted using PoseNet from the image obtained from the 2D RGB low-cost camera, and to increase the accuracy of the fall judgment. In particular, we propose a fall detection method based on the characteristics of post-fall posture in the fall motion analysis method and on the velocity of human body skeleton key points change as well as the ratio change of body bounding box's width and height. The public data set was used to extract human skeletal features and to train deep learning, GRU, and as a result of an experiment to find a feature extraction method that can achieve high classification accuracy, the proposed method showed a 99.8% success rate in detecting falls more effectively than the conventional primitive skeletal data use method.

• The Transactions of The Korean Institute of Electrical Engineers
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• v.67 no.11
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• pp.1496-1505
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• 2018

The technology of emotion recognition is necessary for human computer interaction communication. There are many cases where one cannot communicate without considering one's emotion. As such, emotional recognition technology is an essential element in the field of communication. n this regard, it is highly utilized in various fields. Various bio-sensor sensors are used for human emotional recognition and can be used to measure emotions. This paper proposes a system for recognizing human emotions using two physiological sensors. For emotional classification, two-dimensional Russell's emotional model was used, and a method of classification based on personality was proposed by extracting sensor-specific characteristics. In addition, the emotional model was divided into four emotions using the Support Vector Machine classification algorithm. Finally, the proposed emotional recognition system was evaluated through a practical experiment.