• 인터넷정보학회논문지
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• 제16권2호
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• pp.19-26
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• 2015

RFID 시스템을 구축하여 운영하기 위해서는 자체적으로 시스템을 개발하여 운영을 하거나 표준에 입각한 시스템을 구축하는 방법이 있다. RFID 시스템을 자체적으로 운영을 하고자 한다면 자체적으로 개발한 시스템을 사용하여도 문제가 되지 않는다. 그러나 여러 회사 또는 거점에서 시스템 연계 및 데이터 연계를 위해서는 표준을 준수한 시스템을 구축해야 한다. 본 논문은 국제 민간표준기구인 EPCglobal의 EPC Network 기반으로 RFID를 적용하기 위한 요소 중 EPCIS Capturing Application을 제안한다. EPCIS Capturing Application은 리더와 미들웨어에서 전송된 데이터를 수신하여 EPCIS에 전송하기 위한 메시지를 생성하여 EPCIS에 전송하는 역할을 한다. 본 논문은 현장에서 사용하기 위해 구현한 시스템으로 고정형 RFID 리더에서 사용하는 ALE Interface 뿐만 아니라 휴대형 RFID 리더와 같이 ALE Interface를 사용하지 않는 장비의 데이터를 수신할 수 있는 Capture Interface도 제안한다. 이에 본 논문은 RFID가 적용된 완성품 이력추적을 위한 EPCIS Capturing Application을 제안한다. 제안된 EPCIS Capturing Application을 통해 RFID 시스템을 EPCglobal 표준 기반으로 적용하고자 하는 모든 시스템에 활용 할 수 있게 된다.

• 한국정보과학회:학술대회논문집
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• 한국정보과학회 2012년도 한국컴퓨터종합학술대회논문집 Vol.39 No.1(A)
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• pp.316-318
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• 2012

Radio Frequency Identification(RFID) technology has been widely used to identify and keep track of physical objects. The EPC Network Architecture, which is proposed by EPCglobal to promote EPC and RFID technologies, consists of several layers to deal with the captured data. Many studies concentrated on dealing with RFID tag data (ECReports) from ALE. However, there is no well-known work on specifying how to generate high level EPCIS events. For the incoming ECReports, Capturing Application cannot decide to generate which event types and how to get the semantic fields. In this paper, we propose the new Capturing Application (NCA) to solve the problem. NCA can generate EPCIS events correctly and automatically.

• 한국정보과학회:학술대회논문집
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• 한국정보과학회 2010년도 한국컴퓨터종합학술대회논문집 Vol.37 No.2(A)
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• pp.34-35
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• 2010

• 한국방송∙미디어공학회:학술대회논문집
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• 한국방송공학회 1998년도 Proceedings of International Workshop on Advanced Image Technology
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• pp.99-104
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• 1998

Application sharing is the ability to use existing applications, such as Excel or MS-Word, during a group session without modification. In this paper, we present the design and implementation of an application sharing system, called ShareIt, which enable users to share arbitrary MS-Windows applications under the Win 3.1/95/NT and X window system, and evaluation of the system performance. To share an application, the image of the application window is captured and transmitted to other sites. With the use of the window capturing method, ShareIt allows any MS-Windows application to be shared regardless of not only the window systems but also the version-up of window systems.

• 제어로봇시스템학회논문지
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• 제10권5호
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• pp.434-441
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• 2004

In this paper, an exoskeleton-type motion capturing system is designed and implemented. The device is designed to have 12 degree-of-freedom entirely to represent human arm motions. Forward and inverse kinematics of the device are analyzed to make sure of its singular positions. With the designed model parameters, simulation studies are conducted to verify that the designed motion capturing system is effective to represent human motions within the workspace. As a counterpart of the exoskeleton system, a mobile robot is built to follow human motion restrictively. Experimental studies of teleoperation from the exoskeleton device to control the mobile robot are carried out to show feasible application of wireless man-machine interface.

• 한국전산유체공학회지
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• 제13권1호
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• pp.7-13
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• 2008

Several high resolution schemes such as OSHER, MUSCL, SMART, GAMMA, WACEB and CUBISTA are comparatively studied with respect to the accurate capturing of fluid interfaces throughout the application to two typical test cases of a translation test and a collapsing water column problem with a return wave. It is accomplished by implementing the high resolution schemes in the in-house CFD code(PowerCFD) for computing 3-D flow with an unstructured cell-centered method and an interface capturing method, which is based on the finite-volume technique and fully conservative. The calculated results show that SMART scheme gives the best performance with respect to accuracy and robustness.

• International Journal of Computer Science & Network Security
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• 제22권10호
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• pp.262-270
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• 2022

In the past two decades, there has been an increasing interest in project knowledge management, as knowledge is a crucial resource for project management success. Knowledge capture and sharing are two effective project management practices. Capturing and sharing project knowledge has become more efficient due to technological advances. Nevertheless, present technologies face several technical, functional, and usage obstacles and constraints. Thus, Blockchain technology might provide promising answers, yet, there is still a dearth of understanding regarding the technology's proper and practical application. Consequently, the goal of this study was to fill the gap in the literature about the adoption of Blockchain technology and to investigate the project stakeholders' acceptance and willingness to utilize the technology for capturing and sharing project knowledge. Due to this inquiry's exploratory and inductive characteristics, qualitative research methodology was used, namely the Grounded Theory research approach. Accordingly, eighteen in-depth, semi-structured interviews were conducted to collect the data. Concurrent data collection and analysis were undertaken, with findings emerging after three coding steps. Four influencing factors and one moderating factor were identified as affecting users' acceptance of Blockchain technology for capturing and sharing project knowledge. Consequently, the results of the study aimed to fill a gap in the existing literature by undertaking a comprehensive analysis of the unrealized potential of Blockchain technology to improve knowledge capture and sharing in the project management environment.

• 디지털융복합연구
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• 제12권5호
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• pp.221-229
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• 2014

본 논문은 사용자가 모바일 위치기반 증강현실 기술을 이용하여 특정 지역에서 실시간으로 포착하는 현실 이미지와 과거 이미지를 중첩시켜 생성하는 합성 이미지의 의미를 고찰하였다. 위치기반 증강현실 기술로 합성된 이미지는 가상의 과거 이미지를 현재 포착하고 있는 이미지에 공간적 유사성으로 중첩시킨 결과이다. 현재와 과거의 두 상이한 시간 서사가 동일 공간에 실시간으로 존재하는 새로운 합성 이미지인 것이다. 이를 위해 위치기반 증강현실 기술 기반 모바일 애플리케이션을 개발하고, 다층 서사 기록 주체라는 측면에서 사용자의 개입 과정을 분석하였다. 또한 유사 연구 결과와의 비교로 이미지 중첩과정에서 새로운 의미를 부여하기 위한 사용자의 개입이 합성 이미지 결과물에 다층 서사를 부여하는 핵심임을 발견하였다. 개발된 애플리케이션은 일반 사용자들이 손쉽게 다층 서사 기반의 합성 이미지 획득이 가능하여 향후 모바일 위치 기반 서비스나 문화 콘텐츠 활용 서비스로 활용 가능하다.

• 한국소음진동공학회:학술대회논문집
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• 한국소음진동공학회 2013년도 추계학술대회 논문집
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• pp.763-764
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• 2013

A three-dimensional image capturing device and its signal processing algorithm and apparatus are presented. Three dimensional information is one of emerging differentiators that provides consumers with more realistic and immersive experiences in user interface, game, 3D-virtual reality, and 3D display. It has the depth information of a scene together with conventional color image so that full-information of real life that human eyes experience can be captured, recorded and reproduced. 20 Mega-Hertz-switching high speed image shutter device for 3D image capturing and its application to system prototype are presented[1,2]. For 3D image capturing, the system utilizes Time-of-Flight (TOF) principle by means of 20MHz high-speed micro-optical image modulator, so called 'optical resonator'. The high speed image modulation is obtained using the electro-optic operation of the multi-layer stacked structure having diffractive mirrors and optical resonance cavity which maximizes the magnitude of optical modulation[3,4]. The optical resonator is specially designed and fabricated realizing low resistance-capacitance cell structures having small RC-time constant. The optical shutter is positioned in front of a standard high resolution CMOS image sensor and modulates the IR image reflected from the object to capture a depth image (Figure 1). Suggested novel optical resonator enables capturing of a full HD depth image with depth accuracy of mm-scale, which is the largest depth image resolution among the-state-of-the-arts, which have been limited up to VGA. The 3D camera prototype realizes color/depth concurrent sensing optical architecture to capture 14Mp color and full HD depth images, simultaneously (Figure 2,3). The resulting high definition color/depth image and its capturing device have crucial impact on 3D business eco-system in IT industry especially as 3D image sensing means in the fields of 3D camera, gesture recognition, user interface, and 3D display. This paper presents MEMS-based optical resonator design, fabrication, 3D camera system prototype and signal processing algorithms.

• 대한기계학회논문집B
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• 제35권7호
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• pp.723-733
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• 2011

본 연구에서는 비정렬격자계와 체적포착법을 사용하여 표면장력이 지배적인 다상유동의 수치해석 방법을 제시하였다. 먼저 표면장력에 대한 CSF(Continuum Surface Force) 모델을 비정렬격자계에 적용할 수 있도록 수치해석 방법을 확립시켜 Myong(2009)이 개발한 비정렬격자계와 체적포착법을 사용한 수치 해석코드에 삽입하였다. 테스트 문제로 오직 표면장력만이 존재하는 평형상태의 정적(static) 액적 및 비평형상태의 동적(dynamic) 액적 문제에 적용하여, 이 해석방법의 유용성과 정확도를 평가하였다. 연구결과, 매끄러운 곡률 계산을 위해 필요한 필터로 본 연구에서 제안한 Laplacian 필터와 함께 CSF 모델로는 밀도보정(density-scaled)한 CSF 모델이 예측성능이 우수한 것으로 나타났다. 또한 표면장력 계산을 위한 이 모델을 채용한 본 수치해석방법은 표면장력이 지배적인 다상유동인 평형상태의 정적 액적 및 비평형상태의 동적 액적 문제 모두에 대해 정확성과 유용성이 입증되었다.