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Design and Implementation of User Standing Posture Recognition-Based Interaction System Using Multi-Channel Large Area Pressure Sensors

  • Park, HyungSoo;Kim, HoonKi;Kwak, Jaekyung
    • 한국컴퓨터정보학회논문지
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    • 제25권3호
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    • pp.155-162
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    • 2020
  • 현재 제4차 산업혁명 기술들 중에 사물인터넷과 센서를 이용한 헬스케어 관련 제품들이 개발되어지고 있다. 본 논문에서는 다채널 대면적 압력 센서들을 이용한 사용자의 서있는 자세 인식 기반의 상호 작용 시스템을 설계 및 개발하려고 한다. 이를 위해 먼저, 센서산업의 주요 센서 시장 및 기술 동향에 대해 조사하며 스마트 헬스케어의 현재와 미래에 대해 검토한다. 이를 기반으로 시스템의 핵심 부품인 다채널 대면적 압력 센서에 대해 국내외에서 개발된 사례들을 조사해 보고 비교 평가해 본다. 연구 개발된 시스템을 통해 사용자의 서있는 자세 상태를 인지하여 실제적으로 사용자 자세 교정에 얼마나 효과적인지를 실험해 보고 이를 기반으로 다양한 헬스케어 기기의 의료 분야에 연구 결과를 적용한다.

유아교사의 직무스트레스와 교수몰입의 관계 : 내적·외적 회복탄력성의 매개효과 (The Relationship Between Job Stress and Teaching Flow of Early Childhood Teachers : The Mediating Effect of Early Childhood Teachers' Resilience)

  • 김성희;안효진
    • 가정과삶의질연구
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    • 제34권4호
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    • pp.37-49
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    • 2016
  • The purpose of this study was to examine the mediating effect of inner resilience and external resilience on the relationship between the job stress of early childhood education teachers and their teaching flow. Data were collected through questionnaires from 221 early childhood Korean teachers in the InCheon area. The instruments used in this study were the Kindergarten Teachers' Job Stress Scale, Early Childhood Teachers' Resilience Scale, and Teaching Flow Scale. The data were analyzed by Pearson's correlation analysis, multiple regression analysis, and Baron and Kenny's method. It was adapted to SPSS ver. 18.0 for Windows. This study followed a mediated effect model. First, there was a negative correlation between the job stress and teaching flow. There was a positive correlation between the teaching flow and the resilience. Secondly, there was a negative correlation with job stress and teaching flow in path model 1. In path model 2, there was a positive correlation with resilience and teaching flow. Teaching flow was statistically and significantly influenced by resilience. Thirdly, there was the mediating effect of inner resilience and external resilience on the relationship between the job stress of early childhood education teachers and their teaching flow. These results can be used as the basic data for the improvement of early childhood education teachers' teaching flow in the future.

투습방수의류의 보온력 및 증발저항 평가와 관련 변인 (An Evaluation of Factors Influencing the Thermal Insulation and Evaporative Resistance of a Waterproof and Breathable Garment System)

  • 심현섭
    • 한국지역사회생활과학회지
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    • 제25권4호
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    • pp.549-556
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    • 2014
  • This study evaluates the thermal insulation and evaporative resistance of a waterproof and breathable garment system and determines the factors influencing its thermal performance. The experimental garments were composed of underwear (shirts with 100% wool and 100% polyester) and outerwear (jackets and pants with a vapor-permeable membrane and a vapor-impermeable membrane). Data on clothing insulation in a dry condition ($10^{\circ}C$) and a wet condition ($10^{\circ}C$, 40% R.H.), evaporative resistance ($34^{\circ}C$, 40% R.H., and $10^{\circ}C$, 40% R.H.), and microclimate vapor pressure were collected and analyzed. According to the results, the thermal insulation of the experimental garment system ranged 1.27~1.40 in the dry condition and 0.40~0.89 in the wet condition at $10^{\circ}C$. Evaporative resistance ranged $41{\sim}525m^2Pa/W$. A decrease in thermal insulation by wetting underwear ranged 31~67% in the cold condition ($10^{\circ}C$). The breathability of the outer garment influenced the decrease in thermal insulation by wetting. The type of underwear fiber influenced the decrease in thermal insulation only when it was used with breathable outerwear. The vapor-permeable outerwear sample with polyester underwear (P_Perm) showed a larger decrease in insulation than that with wool (W_Perm). The evaporative resistance of the vapor-permeable ensemble showed no effect of underwear in the warm condition ($34^{\circ}C$), but polyester underwear showed lower evaporative resistance than wool in the cold condition ($10^{\circ}C$). The vapor-impermeable ensemble showed no difference in evaporative resistance between polyester underwear and wool underwear in both conditions. Future research should consider various clothing ensemble combinations and environmental conditions and evaluate wear comfort by using human subjects.

부산시민이 인식하는 좋은 죽음과 호스피스에 대한 연구 (A Study on the Perception of Hospice Palliative Care and what Constitutes a Good Death of the Citizenry of Busan)

  • 백정원;김숙남;최순옥;류지선
    • 보건의료산업학회지
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    • 제10권3호
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    • pp.85-97
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    • 2016
  • Objectives : In this study, the awareness of hospice and the perceptions on the need for visiting palliative care and what constitutes a good death of the citizens of Busan were investigated. The purpose of this study was to develop a hospice system based on the needs of the citizenry of Busan by seeking solutions for current hospice strategies. Methods : One thousand Busan citizens from 20 to 80 years of age were surveyed in this study. Results : Busan citizens defined a good death as spending less than one month of time in the actual process of dying at home between the ages of 80-89 years. They knew about hospice a little and were aware of its necessity. They also knew about the necessity of visiting palliative care and were interested in receiving it when appropriate but did not know much about it. Conclusions : First, there is a large difference between Busan citizens' expectations on what constitutes a good death and what a good death really is. Second, Hospice palliative care should be provided to the community. Third, the older the patient is, the more palliative care visits are necessary. Fourth, 40s and 50s must make preparations for hospice palliative care in their future.

일본의 무기수출 3원칙 폐지와 방위산업 (Abolition of the Japan's 3 Principles on Arms Exports and Defense Industry)

  • 김종열
    • 융합보안논문지
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    • 제14권6_1호
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    • pp.23-32
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    • 2014
  • 일본 아베 내각은 기존의 무기수출 3원칙을 폐지하고 새로운 방위장비이전 3원칙을 발표하였다. 본 논문은 무기 수출금지 규정을 폐지한 배경과 이러한 규정 폐지가 일본 방위산업에 가져올 향후 변화를 전망하였다. 이를 위해 무기수출 3원칙의 개정 과정과 방위산업 관련 지표를 분석하였다. 기존 무기수출의 금지 규정을 폐지하게 된 주된 배경은 일본 정부의 새로운 국가안보전략인 적극적 평화주의와 방산업체의 수년간에 걸친 무기수출 금지 규정에 대한 폐지 요구에서 찾을 수 있다. 그리고 국산화 정책에 의한 내수 위주의 방위산업 구조, 기업의 낮은 방산전업도, 국제적 고립에 따른 낮은 수출 실적 등의 문제점을 타개하기 위한 것이다. 향후 일본 방위산업에 많은 변화가 예상된다. 국방비의 증가추세를 바탕으로 국내 무기 공급을 위한 무기 국산화 정책은 어느 정도 유지하면서, 미국과의 국제 방산협력의 폭은 더 넓혀가고, 타 국가와 다양한 국제 방산 협력에 의한 무기 공동개발과 생산을 활발하게 추진할 것이며, 무기 해외수출 시장의 개척에도 적극 나설 것으로 보인다.

A Systematic Review of the Economic Evaluation of Telemedicine in Japan

  • Akiyama, Miki;Yoo, Byung-Kwang
    • Journal of Preventive Medicine and Public Health
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    • 제49권4호
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    • pp.183-196
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    • 2016
  • Objectives: There is no systematic review on economic evaluations of telemedicine in Japan, despite over 1000 trials implemented. Our systematic review aims to examine whether Japan's telemedicine is cost-saving or cost-effective, examine the methodological rigorousness of the economic evaluations, and discuss future studies needed to improve telemedicine's financial sustainability. Methods: We searched five databases, including two Japanese databases, to find peer-reviewed articles published between January 1, 2000 and December 31, 2014 in English and Japanese that performed economic evaluations of Japan's telemedicine programs. The methodological rigorousness of the economic analyses was assessed with a well-established checklist. We calculated the benefit-to-cost ratio (BCR) when a reviewed study reported related data but did not report the BCR. All cost values were adjusted to 2014 US dollars. Results: Among the 17 articles identified, six studies reported on settings connecting physicians for specialist consultations, and eleven studies on settings connecting healthcare providers and patients at home. There are three cost-benefit analyses and three cost-minimization analyses. The remaining studies measured the benefit of telemedicine only, using medical expenditure saved or users' willingness-to-pay. There was substantial diversity in the methodological rigorousness. Studies on teledermatology and teleradiology indicated a favorable level of economic efficiency. Studies on telehomecare gave mixed results. One cost-benefit analysis on telehomecare indicated a low economic efficiency, partly due to public subsidy rules, e.g., a too short budget period. Conclusions: Overall, telemedicine programs in Japan were indicated to have a favorable level of economic efficiency. However, the scarcity of the economic literature indicates the need for further rigorous economic evaluation studies.

스크래치를 이용한 문제해결 프로그래밍에서 CT-TDPS 학습 모형의 효과성 연구 (A Study on the Effectiveness of CT-TDPS Learning Model in Problem Solving Programming using Scratch)

  • 김영직;김성식
    • 컴퓨터교육학회논문지
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    • 제23권3호
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    • pp.41-47
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    • 2020
  • 21세기 미래 인재에게 필요한 핵심 역량으로 컴퓨팅 사고력이 주목받고 있다. 국내외적으로 컴퓨팅 사고력 향상을 위한 소프트웨어 교육이 한창이다. 그중에서 문제해결 프로그래밍 교육은 컴퓨팅 사고력 향상에 도움이 된다. CT-TDPS 학습 모형은 복잡한 문제들을 모듈화하는 분해, 추상화 사고 과정과 이를 구현하는 반복적·점증적 프로그래밍 방식인 애자일(Agile) 개발 방식을 따른다. 본 연구에서는 스크래치를 이용한 문제해결 프로그래밍 교육에 CT-TDPS 학습 모형을 적용하여 컴퓨팅 사고력 향상을 확인하고자 하였다. 연구 결과, CT-TDPS 학습 모형을 적용한 문제해결 프로그래밍 교육에서 컴퓨팅 사고력의 하위 요인인 컴퓨팅 개념, 컴퓨팅 수행, 컴퓨팅 관점에서 모두 향상이 되었음을 확인할 수 있었다. 그리고, Dr.Scratch 자동 평가 결과에 대한 t 검정 결과 실험집단에서 유의한 차이가 있음을 확인하였다.

근이완제 및 인공 환기요법으로 치료한 신생아 파상풍 1례 (A Case of Neonatal Tetanus Cured with Neuromuscular Blocking Agent and Ventilatory Support)

  • 이현주;정지영;정사준;최용묵;배종우
    • Clinical and Experimental Pediatrics
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    • 제46권2호
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    • pp.192-194
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    • 2003
  • 가정분만으로 태어난 후 생후 6일된 신생아에서 전신성 강직-간대 경련이 발생하여 내원한 환아에서, 병력과 진찰 소견상 신생아 파상풍으로 진단하여 근이완제 및 인공환기요법으로 치료한 1례를 경험하였기에 보고하는 바이다.

미니멀리즘이 현대패션에 미친 영향에 대한 연구 (A Study on the Influence that the Minimalism has on Modern Fashion)

  • 변지연;이순홍
    • 복식문화연구
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    • 제4권3호
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    • pp.427-445
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    • 1996
  • According as the fashion at the latter half part of the 20th century is diversified and made into high-class gradually, it is demanding the individuality of each one. Especially, since the beginning of 1980s, fashion came to represent the restoration mood in a modern style because of the popularization of post-modernism. And with this, it came to result in the reappearance of minimalism which was one of anti-culture in 1960s. In this study, this researcher grasped the appearance background, concept and structural concept of minimalism, and tried to study the influence that he minimalism had on fashion in the flow of fashion over the first half period of the 20th century. Minimalism is the fine art trend of American characteristic which quicked by the meeting of European culture and American culture, according as the new avant-grade art of Europe moved to America after World War II Minimalism which appeared, refusing the mechanisation, industrialization and mass production of America and the falsehood of consciousness and sensitivity under existing system remained obscure by the pop art which is the commercial fine art of same period, but it came to expand the domain of work possibility of modern fine art, and it became the basis of appearance of post-modernism. Minimalism has 4 kinds of structural features which are nonside nature, repetitiousness and environment nature with 3 dimensional feature which is issue nature. Minimalism is appearing in the exfcellent and future-oriented fashon of Andre Kureju t the time of 1960 well. Then science revolution and minimalism aroused the mini-revolution, and they made the compact radio in electric home appliances and the miniskirt in fashion appear. The features of minimal fashion as Retro '60' which appeared in the decedent mood with the 21st century just before on are as follows: First, the are the pursuit of concise plastic line. Second, it is the use of high tech material Third, the miniaturization in size amy be enumerated. Minimal fashion will appear s the positive confrontation from of mankind as the optimistic viewpoint about feature in the situation hat environment was destroyed and the resources were exhausted.

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전자상거래에 대한 대학생의 인식과 구매태도 (College Students' Perceptions on Electronic Commerce)

  • 심종섭
    • 산학경영연구
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    • 제12권
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    • pp.29-66
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    • 1999
  • 이 논문은 상거래의 혁명이라고 불리 우는 EC에 대한 우리나라 대학생의 인식수준과 구매태도를 조사 분석한 것이다. 조사는 Kalakota와 Whinston의 ${\ulcorner}$EC소비자 구매단계 모형${\lrcorner}$을 중심으로 한 구매태도와 EC에 대한 전반적 인식수준에 초점을 맞추었다. 분석결과, (1) 제품검색 경로는 심마니나 Yahoo와 같은 전문검색사이트를 가장 선호하였고, (2) 인터넷 쇼핑대상 제품은 대체로 분산된 편이나 호텔 비행기 예약, 음반 CD/Tape, PC와 PC부품/software, 꽃 배달, 서적 등이 주종을 이루었고, (3) 구매가격의 범위는 $5{\sim}10$만원, (4) EC의 가격수준은 싼 것 같지 않다고 인식, (5) 결제시스템에 대한 불만, (6) 반품 교환 A/S에 대한 불신 등이 발견되었다. 이에 대한 마케팅시사점으로, 향후 EC를 이용하려는 기업은 분석개요에서 지적한 점들을 토대로 하여 ${\ulcorner}$EC고객의 본원적 복구${\lrcorner}$에 초점을 둔 마케팅전략을 개발해야할 것이다.

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