• Title/Summary/Keyword: 자료동기화

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A Design and Implementation of the Realtime Video Lecture System for Multimedia Education (멀티미디어 교육을 위한 실시간 영상강의 시스템의 설계와 구현)

  • 방혜자
    • Journal of Korea Multimedia Society
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    • v.5 no.6
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    • pp.625-637
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    • 2002
  • The Internet had been taken properties which were both a slow speed and low-bandwidth of the first time. It was impossible to transmit large multimedia data because of a Internet properties. After tens of Year Passed, many people began to transmit multimedia data in the Internet which had fast-speed and high-bandwidth. Some people want to team classes to be taught in school through the Internet. And, educators wish to use multimedia data in the educational field. Due to previous reasons, many parts in the educational field had tried to join real-time objects to multimedia objects. But, real-time data didn’t appear easily due to many faults like network errors and system bugs if we want to control data in order to teach and learn classes. Then, this paper separates real-time and unreal-time data and controls these data that aye made a time scheduler to have time information in the extended SMIL-file for deceasing these faults.

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A Life History Approach on a Professor Academic Activities (대학 교수의 생애사 연구)

  • Cha, Hyeon-Ju
    • Journal of the Korea Convergence Society
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    • v.7 no.5
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    • pp.227-235
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    • 2016
  • This research focuses on the life history of university professor and the meaning of their lives to provide career information to parents and teachers conducting childhood career education. professor K with 25 years of professorship was targeted for insides's view(emic), which describes the life story through the professor's voice and words, was used as the method of research and additional data was collected through in-depth interviews with professor K, his writings, e-mails and in-depth interviews. The collected data was electronically transferred and categorized for field and categorical analysis. The analysis showed that the motive for professor K to enter academic society was due to his utmost efforts, assistance of family, and his friend encountering. Also after entering the university, he served as key role in research, education and as an appointed professor. After retirement, he is contributing to the society as a expert and practitioner. As such, 'continuous effort and consistent personal innovation', 'strong belief and clear calling', 'warm humanity and practical life', and 'flexible attitude and educational passion' were deducted from professor K 's professional capability.

Computation of Ground Reaction Forces During Gait using Kinematic Data (보행의 운동학적 데이터를 이용한 지면반발력 계산)

  • Song, Sung-Jae;Kim, Sei-Yoon;Kim, Young-Tae;Lee, Sang-Don
    • Transactions of the Korean Society of Mechanical Engineers A
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    • v.34 no.4
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    • pp.431-437
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    • 2010
  • The purpose of this study is to compute the ground reaction forces during gait in the absence of force plates. The difficulties in using force plates for hemiparetic patients inspired us to initiate this study. Level-walking experiments were performed using a three-dimensional motion analysis system with synchronized force plates. Kinematic data were obtained from the three-dimensional trajectories of reflective markers. Gait events were also detected from the kinematic data. The human body was modeled as 13 rigid segments. The mass and the center of mass of each segment were determined from anthropometric data. Vertical ground-reaction forces obtained from the kinematic data were in good agreement with those obtained using the force plate. The computed and measured values of anterior and lateral ground reaction showed similar tendencies. The computation results can be used as the basic data for inverse dynamic analysis.

Adaptive Load Balancing Scheme using a Combination of Hierarchical Data Structures and 3D Clustering for Parallel Volume Rendering on GPU Clusters (계층 자료구조의 결합과 3차원 클러스터링을 이용하여 적응적으로 부하 균형된 GPU-클러스터 기반 병렬 볼륨 렌더링)

  • Lee Won-Jong;Park Woo-Chan;Han Tack-Don
    • Journal of KIISE:Computer Systems and Theory
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    • v.33 no.1_2
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    • pp.1-14
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    • 2006
  • Sort-last parallel rendering using a cluster of GPUs has been widely used as an efficient method for visualizing large- scale volume datasets. The performance of this method is constrained by load balancing when data parallelism is included. In previous works static partitioning could lead to self-balance when only task level parallelism is included. In this paper, we present a load balancing scheme that adapts to the characteristic of volume dataset when data parallelism is also employed. We effectively combine the hierarchical data structures (octree and BSP tree) in order to skip empty regions and distribute workload to corresponding rendering nodes. Moreover, we also exploit a 3D clustering method to determine visibility order and save the AGP bandwidths on each rendering node. Experimental results show that our scheme can achieve significant performance gains compared with traditional static load distribution schemes.

Influence of Communication Competence and Compassionate Competence on Academic Self-efficacy of Nursing Students (간호대학생의 의사소통 능력과 공감역량이 학업적 자기효능감에 미치는 영향)

  • Cho, Jeong-Hwa;Baek, Kyoung-Hwa;Cho, Mi-Ock
    • Journal of Digital Convergence
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    • v.17 no.6
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    • pp.257-265
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    • 2019
  • This study is a descriptive study to investigate the effects of communication competence and compassionate competence on academic self-efficacy of nursing students. The subjects of this study were 131 nursing students and the data collection was from November 5 to 30, 2018. Data was analyzed by descriptive statistics, t-test, correlation analysis, and hierarchical regression analysis. Significant relationships were found among communication competence and compassionate competence and academic self-efficacy. Motivation for admission, adaptation of nursing, participation on practice and compassion competence were found to academic self-efficacy. Therefore, in order to increase the academic self-efficacy it is necessary to make efforts to increase the participation on practice and to improve compassion competence as a strategy to increase academic self-efficacy of nursing students.

The Qualitative Analysis on Experiences of Caregiving Middle-aged Woman's Biological Parents (중년기 여성의 친부모 부양경험에 관한 질적 연구)

  • Park, Jong-Hwan;Shin, Seung-Ok
    • The Journal of the Korea Contents Association
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    • v.18 no.12
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    • pp.611-623
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    • 2018
  • Ten middle-aged women who support their biological parents have been interviewed to investigate their experiences of caregiving their parents. As a qualitative research method, data were collected through in-depth interviews and analyzed by Colaizzi's phenomenological method. Consequently 244 meaningful sentences were selected from the collected interview data and then were sorted into 67 meaningful sentences and, consequently into 9 sub-themes. Finally four high-level themes are wrapped through the summarizing process. The first theme is motivation of caregiving. Inevitable cases are most common for caregiving their biological parents. And, general responsibilities to their parents are also deduced as a motivation of caregiving. The second theme is a psychological phenomenon of middle-aged women while they provide consistent caregiving their biological parents even though they have some troubles with their parents. The third theme is meaning of caregiving. For some women, caregiving their biological parents is their own happiness and gratitude such as lifelong gifts. The final theme is influence of caregiving. Further understanding their parents, and more distinct prospecting their future lives are unexpected fruits from the caregiving their biological parents.

A Qualitative Study on Marathon Club Activity Experience of Woman with Intellectual Disabilities (여성 지적장애인 마라톤 동호회 활동경험 연구)

  • Kim, Sung-Eun;Jeong, Yeon-soo
    • 재활복지
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    • v.21 no.4
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    • pp.149-176
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    • 2017
  • This study aimed to research marathon club activities experience of women intellectual disabilities through qualitative research. This study selected five women intellectual disabilities and five information providers as the participants. The data collection consisted of field observation records and interview data. The collected data analyzed through coding method. The result were as follows as. First, personal dimension appeared as exciting of running, inner freedom, assimilation with nature. Second, relationship dimension appeared as communication and participation of the family, relationship with peers, comprehension and coexistence. Third, lifelong education dimension appeared as expansion into life, growth without a stop, the process of becoming a social worker. In conclusion marathon club activity appeared to contribute to personal growth, relationship with surroundings and social inclusion.

A Design on The Zone Master Platform based on IIoT communication for Smart Factory Digital Twin (스마트 팩토리 디지털 트윈(Digital Twin)을 위한 IIoT 통신 기반 ZMP(Zone Master Platform) 설계)

  • Park, Seon-Hui;Bae, Jong-Hwan
    • Journal of Internet of Things and Convergence
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    • v.6 no.4
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    • pp.81-87
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    • 2020
  • This paper creates a standard node for acquiring sensor data from various industrial sensors (IoT/non-IoT) for the establishment of Smart Factory Digital Twin, and provides inter-compatible data by linking zones by group/process to secure data stability and to ensure the digital twin (Digital Twin) of Smart Factory. The process of the Zone Master platform contains interface specifications to define sensor objects and how sensor interactions between independent systems are performed and carries out individual policies for unique data exchange rules. The interface for execution control of the Zone Master Platform processor provides system management, declaration management for public-subscribe, object management for registering and communicating status information of sensor objects, ownership management for property ownership sharing, time management for data synchronization, and data distribution management for Route information on data exchange.

The Change of perception according to the fidelity of simulation in Objective Structured Clinical Examination for Procedural Skill of 4th Medical Students (의전원 4학년 학생의 과정기술 객관구조화진료시험에 도입된 시뮬레이션의 충실도에 따른 인식 변화)

  • Son, Hee-Jeong;Kim, Jin-Uk;Yi, Yu-Ri;Hwang, Byeong-Moon
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.13 no.3
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    • pp.1178-1185
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    • 2012
  • The 4th year medical students were randomly divided and designated as group HF and LF, representing high and low fidelity simulations respectfully. Both groups performed OSCE on 2 topics(adult intubation and IV cannulation) with each composed of the same scenario. Each scenario was developed by a faculty in charge of clinical skill education with supervision from 2 other faculty members. High fidelity simulations were designed as in-situ simulations in real OR. Low fidelity simulations had the same scenarios but the environment was simulated only with a simple task trainer in the classroom. All students participated in series of survey using a Likert scale before and after the simulations. The provided data was anlayzed with paired T-test and Mann-Whiteney test(p<0.05). The post simulations self evaluation score for group HF was lower than pre-simulation self confidence score for both topics of adult intubation and IV cannulation where as for group LF, it was lower only for adult intubation(p<0.05). In group HF, the needs for clinical training on both topics increased after the simulation. In group LF, there was no significant change of needs for clinical training between pre and post simulation survey. This suggest that fidelity may be a helpful factor to improve the motivation of the students and further study on economical aspect should be addressed.

Development of Digital Image Acquisition System for the Road Safety Survey and Analysis Vehicle (도로안전성 조사분석차량을 위한 영상취득시스템 개발)

  • Jeong, Dong-Hoon;Yoon, Chun-Joo;Sung, Jung-Gon
    • International Journal of Highway Engineering
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    • v.7 no.4 s.26
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    • pp.163-171
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    • 2005
  • Current roads were designed and constructed based on the design criteria and thus those were overly simplified drivers' needs. The road criteria do not suggest the desirable range of the design values but suggest the minimum requirements for the road design. Therefore, a completed road design based on the design criteria does not always guarantee the best design in terms of safety and it sometimes violates drivers' expectation. Therefore, the ROSSAV(ROad Safety Survey and Analysis Vehicle) is being developed by the KICT to evaluate road safety and increase driving safety. In this paper, the image capture system was described in detail. The image capture system is consisted of two front view cameras, two side down-looking cameras and a synchronization device. Two front view cameras were used to take a picture of road and road facilities at the driver's viewpoint. Also, two side down-looking cameras were used to capture road surface image to extract lane markings. A synchronization device were used to generate image capturing signal at the fixed distance spacing huck as every 10m. The front view images could be used to calculate and measure highway geometry such as shoulder width because every image is saved with it's locational information. And also the side down looking images could be used to extract median lane mark which representing road alignement efficiently.

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