• 제목/요약/키워드: visual speed

검색결과 547건 처리시간 0.028초

현대 패션디자인에 나타난 디지털 문화의 감성성에 관한 연구 (A Study on the Emotionality of Digital Culture in Modern Fashion Design)

  • 김지희;유태순
    • 복식
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    • 제57권8호
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    • pp.1-13
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    • 2007
  • The cold image of digital culture and its realistic limits force modern people to yearn for an emotional world characterized by a warm humanity. The kind of digital technology that appeals to such a human emotion is accepted as a new digital concept in the 21st century. The purpose of this study was to examine the characteristics of emotionality, which was a new trend in digital culture, and to discuss its form and meaning in fashion sector. It's basically meant to figure out a major trend in the 21st century's digital culture, to delve into its relationship with fashion reflecting sociocultural phenomena, and ultimately to describe in which direction future fashion would be led. Emotionality was highlighted as a reaction against an absolute pursuit of speed and cold digital technology. Emotionality of digital culture in fashion design were inserting of funology, Zen-based design and development of a clothing mixture. The emphasis of emotionality in digital culture is a new sociocultural trend that stresses the recovery of human nature. As futurologists predict that a human-centered and humanistic culture will reappear in the 21st century, fashion also will be in pursuit of human-oriented design.

HW/SW Co-design of a Visual Driver Drowsiness Detection System

  • Lai, Kok Choong;Wong, M.L. Dennis;Islam, Syed Zahidul
    • 중소기업융합학회논문지
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    • 제3권1호
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    • pp.31-41
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    • 2013
  • 치명적인 사고를 막기 위해 드라이버 졸음 (DD)를 검출하는 다양한 최근 방법이 제안되고있다. 본 논문은 운전자의 눈에 폐쇄 속도를 모니터링 할 수 있는 기능을 AdaBoost 기반 물체 검출 알고리즘에 적용한 DD 탐지 시스템 구현에서 하드웨어/소프트웨어 공동 설계 방법을 제안한다. 소프트웨어 구성 요소는 DD 검출 알고리즘 중에서 필요한 기능성을 완전하게 달성하기 위해 전체적인 제어 및 논리 연산을 구현한다. 반면, 본 연구에서는 DD 검출 알고리즘의 중요한 기능은 처리를 가속화하기 위해 맞춤형 하드웨어 구성 요소를 통해 가속된다. 하드웨어/소프트웨어 아키텍처는 비디오 도터 보드와 알테라 DE2 보드에 구현되었습니다. 제안 된 구현의 성능을 평가하고 몇 가지 최근의 작품을 벤치마킹했다.

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Dynamic characteristics between waves and a floating cylindrical body connected to a tension-leg mooring cable placed in a simulated offshore environment

  • Song, Juhun;So, Soo-Hyun;Lim, Hee-Chang
    • International Journal of Naval Architecture and Ocean Engineering
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    • 제8권4호
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    • pp.375-385
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    • 2016
  • Given the rapid progress made in understanding the dynamics of an offshore floating body in an ocean environment, the present study aimed to simulate ocean waves in a small-sized wave flume and to observe the motion of a cylindrical floating body placed in an offshore environment. To generate regular ocean waves in a wave flume, we combined a wave generator and a wave absorber. In addition, to precisely visualise the oscillation of the body, a set of light-emitting diode illuminators and a high-speed charge-coupled device camera were installed in the flume. This study also focuses on the spectral analysis of the movement of the floating body. The wave generator and absorbers worked well to simulate stable regular waves. In addition, the simulated waves agreed well with the plane waves predicted by shallow-water theory. As the period of the oncoming waves changed, the movement of the floating body was substantially different when tethered to a tension-leg mooring cable. In particular, when connected to the tension-leg mooring cable, the natural frequency of the floating body appeared suddenly at 0.391 Hz as the wave period increased.

칩 마운터에의 FIC 부품 인식에 관한 연구 (A study on the inspection algorithm of FIC device in chip mounter)

  • 류경;문윤식;김경민;박귀태
    • 제어로봇시스템학회논문지
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    • 제4권3호
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    • pp.384-391
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    • 1998
  • When a device is mounted on the PCB, it is impossible to have zero defects due to many unpredictable problems. Among these problems, devices with bent corner leads due to mis-handling and which are not placed at a given point measured along the axis are principal problem in SMT(Surface Mounting Technology). It is obvious that given the complexity of the inspection task, the efficiency of a human inspection is questionable. Thus, new technologies for inspection of SMD(Surface Mounting Device) should be explored. An example of such technologies is the Automated Visual Inspection(AVI), wherein the vision system plays a key role to correct this problem. In implementing vision system, high-speed and high-precision are indispensable for practical purposes. In this paper, a new algorithm based on the Radon transform which uses a projection technique to inspect the FIC(Flat Integrated Circuit) device is proposed. The proposed algorithm is compared with other algorithms by measuring the position error(center and angle) and the processing time for the device image, characterized by line scan camera.

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정치인의 발성이 유권자에 미치는 영향 -구청장 선거를 중심으로 (Effect of politician's voice on electors -Focused on ward head election)

  • 박덕춘
    • 디지털융복합연구
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    • 제11권10호
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    • pp.695-700
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    • 2013
  • 본 연구는 정치인의 발성이 유권자에 어떤 영향을 미치는지 살펴본 실험연구이다. 이 연구에서는 지방선거 TV연설 영상물을 대상으로 음성의 고저, 발성의 속도 등을 달리하여 조작된 4가지 영상물을 제작하여 대학생들을 대상으로 실험, 분석하였다. 연구결과 정치인 음성의 고저는 유권자의 신뢰도와 지지도에 영향을 미치는 중요한 요인이며, 저음일수록 신뢰도가 높고 이러한 신뢰도는 지지도와 연결됨을 알 수 있었다. 또한 정치인의 발성 속도도 유권자의 신뢰도에 영향을 미치는 요인임을 발견하였다. 정치인의 발성 속도가 느릴수록 유권자의 신뢰도가 높게 나타났으며, 그러나 발성속도에 의한 신뢰도는 후보 지지도와 연결되지 않았다.

NEW DIGITAL H$\alpha$ OBSERVATION BY SOLAR FLARE TELESCOPE AT BOAO

  • LEE C.-W.;MOON Y.-J.;PARK Y.D.;JANG B.-H.;KIM KAP-SUNG
    • 천문학회지
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    • 제34권2호
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    • pp.111-117
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    • 2001
  • Recently, we have set up a new digital CCD camera system, MicroMax YHS-1300 manufactured by Roper Scientific for Ha observation by Solar Flare Telescope at Bohyunsan Optical Astronomy Observatory. It has a 12 bit dynamic range, a pixel number of 1300$\times$1030, a thermoelectric cooler, and an electric shutter. Its readout speed is about 3 frames per second and the dark current is about 0.05 e-/p/s at $-10^{\circ}C$. We have made a system performance test by confirming the system linearity, system gain, and system noise that its specification requires. We have also developed a data acquisition software which connects a digital camera con-troller to a PC and acquires H$\alpha$ images via Microsoft Visual C++ 6.0 under Windows 98. Comparisons of high quality H$\alpha$ images of AR 9169 and AR 9283 obtained from SOFT with the corresponding images from Learmonth Solar Observatory in Australia confirm that our H$\alpha$ digital observational system is performed properly. Finally, we present a set of H$\alpha$ images taken from a two ribbon flare occurred in AR 9283.

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VDT화면에서 텍스트의 행간구분방법과 색상이 가독성에 미치는 영향 (Effects of Background, Underline, and Color on Readability of Visually Displayed Text)

  • 오승빈;박성하
    • 산업경영시스템학회지
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    • 제32권4호
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    • pp.208-214
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    • 2009
  • In this study, we examined the effects of background and underline on the readability of displayed text. The background was placed on every other line and the underline was done with every line of the text. The effect of adding color to the background and underline was also of primary concern. Twenty subjects were tested on their reading efficiency (i.e. time-to-read and comprehension) and subjective preference of different text format presented on a LCD. Result showed that for the background condition, the background with green format significantly decreased the time-to-read as compared to the format without any background. The results of ANOVA on comprehension and subjective preference were also consistent with this finding. For the underline condition, otherwise, the underline with yellow format yielded higher speed and better comprehension. The results imply that adding background or underlines with appropriate colors can be an additional and useful way of improving text readability.

Development of an Acoustic-Based Underwater Image Transmission System

  • 최영철;임영곤;박종원;김시문;김승근
    • 한국해양공학회:학술대회논문집
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    • 한국해양공학회 2003년도 춘계학술대회 논문집
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    • pp.109-114
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    • 2003
  • Wireless communication systems are inevitable for efficient underwater activities. Because of the poor propagation characteristics of light and electromagnetic waves, acoustic waves are generally used for the underwater wireless communication. Although there are many kinds of information type, visual images take an essential role especially for search and identification activities. For this reason, we developed an acoustic-based underwater image transmission system under a dual use technology project supported by MOCIE (Ministry of Commerce, Industry and Energy). For the application to complicated and time-varying underwater environments all-digital transmitter and receiver systems are investigated. Array acoustic transducers are used at the receiver, which have the center frequency of 32kHz and the bandwidth of 4kHz. To improve transmission speed and quality, various algorithms and systems are used. The system design techniques will be discussed in detail including image compression/ decompression system, adaptive beam- forming, fast RLS adaptive equalizer, ${\partial}/4$ QPSK (Quadrilateral Phase Shift Keying) modulator/demodulator, and convolution coding/ Viterbi. Decoding.

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전자도서관 웹사이트의 품질향상을 위한 사용성 평가에 관한 연구 (A Study on Usability Evaluation for Improving Quality of University Digital Library Website in Korea)

  • 이응봉;류범종;김우성;김석동
    • 한국문헌정보학회지
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    • 제36권1호
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    • pp.41-60
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    • 2002
  • 본 연구에서는 호서대학교 전자도서관 웹사이트를 대상으로 하여 웹사이트 사용성 평가도구를 이용한 분석(Doctor HTML 및 Web Site Garage)을 적용하여 웹브라우즈의 호환성 및 접속속도를 분석하였고, 온라인 설문조사를 실시하여 네비게이션, 기능성, 이용자의 통제, 언어 및 컨텐츠, 시스템 및 이용자 피드백, 일관성, 구조적 및 시각적 명료성 등의 주요 속성에 관한 분석 및 평가를 통하여 문제점 및 개선방안을 도출하였다. 그리고 분석 및 평가결과를 반영하여 사용성에 기반한 우리나라 대학의 전자도서관 웹사이트 구축에 적용할 수 있는 일반적 지침을 제시하였다.

전역적 형태정보를 이용한 선택적 볼륨렌더링 (Selective Volume Rendering Using Global Shape Information)

  • 홍헬렌;김명희
    • 한국정보처리학회논문지
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    • 제7권10호
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    • pp.3280-3289
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    • 2000
  • 본 논문에서는 볼륨데이터와 전역적 형태정보를 이용하여 볼륨렌더링의 질적측면과 속도측면에서 개선할 수 있는 선택적 볼륨렌더링방법을 제안한다. 선택적 볼륨렌더링방법은 관심부위를 구성하는 외곽선으로부터 최소거리를 결정하는 거리변환을 통하여 거리변환볼륨을 생성하고 이를 렌더링하는 방법으로 형태정보를 이용함으로써 서로 다른 객체들간에 비슷한 명암도로 인해 동일 객체로 인식되는 것을 방지하고, 복잡한 형태를 효과적으로 나타낼 수 있다. 실험결과로는 EBCT 심장데이터에 선택적 볼륨렌더링방법을 적용하여 좌심실, 우심실 렌더링 결과영상과 함께 보간법에 따른 선택적 샘플링 방법 적용결과를 제시한다. 본 제안방법은 볼륨데이터로부터 얻은 형태정보로부터 관심객체 표면을 정확하고 빠르게 가시화할 수 있다.

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