• 제목/요약/키워드: Vision 21

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21세기 Computing을 위한 Computing Vision

  • 컴팩코리아
    • 한국멀티미디어학회:학술대회논문집
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    • 한국멀티미디어학회 1999년도 제1회 멀티미디어 워크샵 -주제: 21세기의 멀티미디어 교육방향
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    • pp.81-108
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    • 1999
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연삭에서 비젼시스템을 이용한 절삭날 면적률의 측정 (Measurement of cutting edge ratio using vision system in grinding)

  • 유은이;사승윤;유봉환
    • 대한기계학회논문집A
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    • 제21권9호
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    • pp.1531-1540
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    • 1997
  • Mordern industrial society pursues unmanned system and automation of manufacturing process. Abreast with this tendensy, production of goods which requires advanced accuracy is increasing as well. According to this, the work sensing time of dressing by monitoring and diagnosing the condition of grinding, which is th representative way in accurate manufacturing, is an important work to prevent serious damages which affect grinding process or products by wearing grinding wheel. Computer vision system was composed, so that grinding wheel surface was acquired by CCD camera and the change of cutting edge ratio was measured. Then we used automatic thresholding technique from histogram as a way of dividing grinding cutting edge from grinding surface. As a result, we are trying to approach unmanned system and automation by deciding more accurate time of dressing and by visualizing behavior of grinding wheel by making use of computer vision.

운동 피로와 시각정보 차단이 직립서기 자세제어에 미치는 영향 (Effects of Exercise-Induced Fatigue and Blocked Vision on Postural Control during Upright Stance)

  • 오현진;염창홍;김태현
    • 한국운동역학회지
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    • 제21권3호
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    • pp.353-359
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    • 2011
  • The purpose of this study was to investigate the effects of exercise-induced fatigue and blocked vision on postural control during upright stance in elderly women. The study population included 22 women who were aged over 65 years, had no sustained orthopedic damage within the last 6 months, and had been randomly recruited. The results were analyzed with respect to the mediolateral and anteroposterior factors for the center of pressure. The exercise-induced fatigue and the absence of visual information increased the anteroposterior and mediolateral velocity for center of pressure. This means that the elderly women could control their posture through many sways. In conclusion, the exercise-induced fatigue and the blocked vision decreased ability of the postural control in elderly women. Further research on the change of postural control in relation to the types of exercise-induced fatigue and the levels of muscular fatigue is expected.

개의 수정체 전방 탈구 8례에 대한 후향적 연구 (Retrospective Study of Anterior Lens Luxation in 8 Dogs)

  • 김세은;박신애;김원태;정만복;채제민;박영우;서강문
    • 한국임상수의학회지
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    • 제25권4호
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    • pp.292-294
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    • 2008
  • The purpose of this study was to evaluate the cause of lens luxation and to determine the frequency of vision loss, glaucoma, cataract, and corneal edema before and after intracapsular lens extraction (ICLE). The medical records of 8 dogs underwent ICLE for the correction of anterior lens luxation at the Veterinary Medical Teaching Hospital of Seoul National University from August 2005 to September 2007 were reviewed. The most frequently affected breed was Miniature Poodle (n = 3). The mean age was $10.8{\pm}2.1$ years. Preoperatively, 5 eyes (67.5%) with anterior luxation had secondary glaucoma, 7 eyes (87.5%) had vision loss, and all eyes (100.0%) had corneal edema. Four weeks after ICLE, 6 eyes (75.0%) had normal intraocular pressure (IOP), and 4 eyes (50.0%) regained vision. Corneal edema was reduced after ICLE in all eyes, but still remained in 4 eyes. It was considered that ICLE was beneficial in the management of anterior lens luxation, but the eyes without glaucoma before ICLE had more favorable prognosis than eyes with.

21세기 과학기술정보정책방향에 관한 연구 - 특히 건설기술정보정책 방향을 중심으로 - (The study on the Information Policy Vision of Science Technology in the 21s1 century)

  • 박찬용
    • 한국비블리아학회지
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    • 제9권1호
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    • pp.115-135
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    • 1998
  • 본 연구는 정보화사회와 함께 제5의 물결인 지식혁명시대를 맞는 시점에서 21세기 미래를 향해 국가적으로 건설기술분야의 정보정책에 대한 발전방향을 구체적, 실천적으로 제시하여 정보통신부나 과학기술부 등 관련 타부서와 발맞추어 건설산업의 발전과 국가경제뿐만 아니라 글로벌 경제(Global Economy)에 조금이라도 이바지하는데 초점을 두고 있다. 이를 위하여 먼저 건설기술정보의 정의와 건설기술정보정책의 개념을 살펴보고, 그와 수반되는 건설산업의 특성, 정보분류종류를 간략하게 제시하고 우리나라 건설분야의 정보정책의 동향과 외국의 동향을 개략적으로 조사, 분석 제시하였다. 그리고 정부, 공공기관, 건설 업체 등의 정보화 수준 등의 현황을 기술하였다. 21세기를 향한 건설기술정보정책의 주요 발전방향을 21세기 건설기술정보화 여건변화, 건설기술정보화 정책의 패러다임전환과 발전전략, 건설기술정보기반구축 정책방향 그리고 중점분야에 대한 건설기술 정보정책의 발전방향 등 크게 4가지로 대응전략을 제시하였다.

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