• 제목/요약/키워드: Information quantity analysis

검색결과 481건 처리시간 0.027초

실시간 영상 분석에 의한 이동 물체 추적 (Moving Object Tracking by Real Time Image Analysis)

  • 구상훈;이은주
    • 한국산업정보학회:학술대회논문집
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    • 한국산업정보학회 2003년도 추계공동학술대회
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    • pp.145-156
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    • 2003
  • This paper for real time object tracking in this treatise detect histogram analysis that is accumulation value of binary conversion density and edge information and body that move by real time use of difference Image techniques and proposed method to object tracking. Firstly, we extract edge that can reduce quantity of data keeping information about form of input image in object detection. Object is extracted by performing difference image and binarization in edge image. Area of detected object is determined by threshold value that divide sum of horizontal accumulation value about binary conversion density by value that add horizontalityㆍverticality maximum accumulation value. Object is tracked by comparing similarity with object that is detected in previous frame and present frame. As experiment result, proposed algorithm could improve the object detection speed, and could track object by real time and could track local movement.

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에지 방향성 히스토그램과 주성분 분석을 이용한 손 형상 인식에 관한 연구 (A Study on Hand Shape Recognition using Edge Orientation Histogram and PCA)

  • 김종민;강명아
    • 디지털콘텐츠학회 논문지
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    • 제10권2호
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    • pp.319-326
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    • 2009
  • 본 논문에서는 별도의 센서를 부착하지 않고 영상만을 이용하여 실시간으로 손 형상을 인식하는 알고리즘에 대해 기술한다. 손은 형상이 매우 복잡하기 때문에 2차원 형상의 불변량에 해당하는 에지의 방향성 히스토그램을 이용하여 인식을 행한다. 이 방법은 복잡한 배경에서 피부색을 지닌 손 영역이 정확히 추출되며 손 형상을 인식하는데 있어서 수행속도가 빠르고 조명변화에 덜 민감하기 때문에 실시간 손 형상 인식에 적합하다. 본 논문에서는 손의 형상에서 방향이 틀어지는 경우에도 인식을 가능하게 하기위해 주성분 분석법을 사용하여 인식오차를 줄이는 방법을 기술한다. 이 방법을 사용함으로써 손 영상이 3차원적으로 회전에 의해 변하는 경우도 인식가능하게 되었다. 본 논문에서 제안하는 방법은 가정용 가전제품이나 게임을 제어하는 실시간 휴먼 인터페이스 제작에 사용 할 수 있다.

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A Study for the Features of Data Analysis Methods Used in Medical Research

  • 신재경;장덕준;문승호
    • Journal of the Korean Data and Information Science Society
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    • 제14권2호
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    • pp.257-264
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    • 2003
  • The perception of the importance of statistical methods for processing medical data in Korea's medical research and the practical use of the analysis method are insufficient. From this standpoint, in order to examine the features of the data analysis method used in the medical journals of Korea and America, we have examined the research papers which has been published in the exemplary medical journals of both countries. It showed that there was a large difference in the quantity and quality between Korea and America. Especially in the medical research of Korea, we could notice that the use of statistical methods were comparatively low. Hence the researchers in the medical area are encouraged to use more statistical methods in processing medical data.

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공간적 의사결정을 위한 공간 데이터 웨어하우스 설계 및 활용

  • 박지만;황철수
    • 한국GIS학회:학술대회논문집
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    • 한국GIS학회 2003년도 추계학술대회논문집
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    • pp.9-14
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    • 2003
  • The major reason that spatial data warehousing has attracted a great deal of attention in business GIS in recent years is due to the wide availability of huge amounts of spatial data and the imminent need for turning such data into useful geographic information. Therefore, this research has been focused on designing and implementing the pilot tested system for spatial decision making. The purpose of the system is to predict targeted marketing area by discriminating the customers by using both transaction quantity and the number of customer using credit card in department store. Focused on the analysis methodology, the case study is aiming to use GIS and clustering for knowledge discovery. The system is a key section of the research of multi-dimensional and spatio-temporal analysis in the internet environment.

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BIM기반 건축적산 매뉴얼 개발을 위한 만족도 분석에 관한 연구 (Study on the Satisfaction Analysis for Development of Construction Estimating Manager based on 3D Data)

  • 최창훈;이준복;한충희;소지윤
    • 한국건축시공학회:학술대회논문집
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    • 한국건축시공학회 2014년도 추계 학술논문 발표대회
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    • pp.222-223
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    • 2014
  • According to the improvement of IT technology, an enhanced efficiency of management system in the construction industry is expected since a quotation system with BIM (Building Information Modeling) technique effectively estimates construction materials. For an enhanced efficiency of management system, related guidelines, standards, and manuals based on BIM are required, but the lack of this information causes difficulty to utilize in practice. In the paper, the satisfaction analysis was performed in order to promote the completeness of construction estimating manager that can be presented criteria and details of BIM-based quantity-takeoff, classification criteria.

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체계적인 정보조사 방법론에 관한 연구 -기업에서의 정보수집 및 분석을 중심으로- (A Study on the Systematic Method for Information Management)

  • 박철균
    • 정보관리연구
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    • 제26권2호
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    • pp.37-60
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    • 1995
  • 기업에서는 연구개발계획 수립, 기업 경영에 영향을 미치는 주변 환경의 변화에 대한 대책 수립, 경영계획 작성 등과 같은 정보조사활동이 수지로 요구된다. 수집해야 하는 정보량이 많아지고, 상대적으로 의사결정의 불확실적 요소가 증가함에 따라 이러한 정보조사 활동에도 보다 체계적이고 조직적인 방법이 적용되지 않으면 안되는 것으로 인식되고 있다. 본 논문은 체계적인 정보조사 방법론을 연구함으로써 이러한 요구에 부응하는 한편, 기업과 같은 소규모 조직의 정보관리분문에서 오랜 과제가 되고 있는 정보분석업무의 개발에 대한 해결방안을 제시하였다.

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Development of Realtime GRID Analysis Method based on the High Precision Streaming Data

  • Lee, HyeonSoo;Suh, YongCheol
    • 한국측량학회지
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    • 제34권6호
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    • pp.569-578
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    • 2016
  • With the recent advancement of surveying and technology, the spatial data acquisition rates and precision have been improved continually. As the updates of spatial data are rapid, and the size of data increases in line with the advancing technology, the LOD (Level of Detail) algorithm has been adopted to process data expressions in real time in a streaming format with spatial data divided precisely into separate steps. The existing GRID analysis utilizes the single DEM, as it is, in examining and analyzing all data outside the analysis area as well, which results in extending the analysis time in proportion to the quantity of data. Hence, this study suggests a method to reduce analysis time and data throughput by acquiring and analyzing DEM data necessary for GRID analysis in real time based on the area of analysis and the level of precision, specifically for streaming DEM data, which is utilized mostly for 3D geographic information service.

매스 미디어를 이용한 보건교육 전략 (Health Education Strategies through the Use of Mass Media)

  • 최윤희
    • 보건교육건강증진학회지
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    • 제7권2호
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    • pp.15-21
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    • 1990
  • It is evidenced that the mass media can play an important role in communicating information to the public. Although some campaigns have failed to achieve success, application of mass communication principles should increase the likelihood of effectiveness. Specifically, campaign strategies should attempt to select message sources that are perceived as credible by the audience. In designing and disseminating messages, the quality of content should be emphasiged as well as the quantity of presencation. The context of message reception should be carefully considered. Selection of channels depends on the configuration of source, superior for most purposes. The crucial role of precampaign audience analysis should not be overlooked.

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Applying BIM and GIS to Railway Maintenance Works in Taiwan

  • Liu, Li-Shih;Shr, Jin-Fang
    • International Journal of Aerospace System Engineering
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    • 제2권1호
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    • pp.18-23
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    • 2015
  • Based on real jobs, this study was carried out the Railway maintenance works in Taiwan. It hopes to use Geographic Information System(GIS) and Building Information Modeling(BIM) for changing the maintenance model from "post-damage repair" to "preventive maintenance". Accordingly, this research will build a Railway Repairing Database that installs all repair data. This database will also connect to GIS so that can be the source of analysis and statistic for repair paln. The main results of research are as follows: I. All data stored on cloud space that raises the ability to manage and plan on repair. II. Simplify the file work and increase the quantity of case data to the manager who can get more reliable source. III. The data offer objective judgment to avoid subjective argument. IV. Add the GIS information to improve the maintenance because of good analisis.

Fuzzy dynamic structural analysis of two-dimensional frame

  • Stemberk, Petr;Kruis, Jaroslav
    • Structural Engineering and Mechanics
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    • 제25권2호
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    • pp.147-160
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    • 2007
  • In this paper, a dynamic analysis based on the fuzzy set theory is presented as a possible complementary tool to the classical stochastic methods for dynamic analyses. Material parameters of a structure are influenced by uncertainties and therefore they are considered to be fuzzy quantities with given distributions, that means fuzzy numbers with given membership functions. The fuzzy dynamic analysis is conducted with help of fuzzy arithmetic defined on the so-called ${\alpha}$-cuts. The results of the analysis are also obtained in the form of fuzzy numbers, which compared to the stochastic methods is less computationaly expensive while at the same time they still provide information about the distribution of a quantity. This method is demonstrated on an analysis of a two-dimensional frame subjected to possible seismic load, where the uncertain eigenmodes and eigenfrequencies are used in the modal analysis.