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Light ID and HMD-AR Based Interactive Exhibition Design for Jeonju Hanok Village Immersive 3D View
민병준,비나야감 마리아판,차재상,김대영,조주필,Min, Byung-Jun,Mariappan, Vinayagam,Cha, Jae-Sang,Kim, Dae-Young,Cho, Ju-Phil Korea Information Electronic Communication Technol 2018 한국정보전자통신기술학회논문지 Vol.11 No.4
최근 디지털 컨버전스는 현실세계를 기반으로 만들어진 미디어 콘텐츠에 가상 콘텐츠를 투영시켜 사용자에게 새로운 경험을 제공 할 수 있도록 발전하고 있다. 이에 본 논문에서는 HMD AR 기술을 이용한 Light ID 및 HMD-AR 기반 인터렉티브 전시를 제안하였다. 이 접근법은 현재 사용되고 있는 전시물에 추가적인 인프라를 설치할 필요 없이 기존 사용되고 있는 조명 또는 디스플레이를 사용 할 수 있다. 또한 Light ID는 웹 콘텐츠로의 접근을 위해서만 사용되는 QR 태그와 달리 위치 인식을 위한 식별자 및 통신 매체로도 사용될 수 있는데, 이는 카메라를 기반으로 한 광 무선 통신 (OWC)의 장점을 활용하여 스마트 장치에서 미디어 콘텐츠에 대한 ID를 수신하고 AR형태로 실감 3D 콘텐츠를 시각화하여 제공한다. 본 논문에서는 안드로이드 스마트폰을 사용하여 제안한 설계 기법에 대해 전주 한옥 마을을 타겟으로 Light ID 기반 광무선통신 기술을 활용한 실감 3D View 제공 기술을 구현하고 테스트를 수행하였으며, 실험 결과 제안한 기법을 통해 전시물에 관한 실시간 몰입형 3D 뷰를 제공 할 수 있음을 확인하였다. The digital convergence looking for new ways to engage visitors by superimposing virtual content on projection over the real world captured media contents. This paper propose the Light ID based interactive 3D immersive exhibition things view using HMD AR technology. This approach does not required to add any additional infrastructure to be built-in to enable service and uses the installed Lighting or displays devices in the exhibit area. In this approach, the Light ID can be used as a Location Identifier and communication medium to access the content unlike the QR Tag which supports provide the download information through web interface. This utilize the advantages of camera based optical wireless communication (OWC) to receive the media content on smart device to deliver immersive 3D content visualization using AR. The proposed exhibition method is emulated on GALAXY S8 smart phone and the visual performance is evaluated for Jeonju Hanok Village. The experimental results shows that the proposed method can give immersive 3D view for exhibit things in real-time.
최소의 스케줄 길이를 유지하는 결함 허용 태스크 스케줄링 알고리즘
민병준,Min, Byeong-Jun 한국정보처리학회 2000 정보처리논문지 Vol.7 No.4
In order to tolerate faults which may occur during the execution of distributed tasks in high-performance parallel computer systems, tasks are duplicated on different processors. In this paper, by utilizing the task duplication based scheduling algorithm, a new task scheduling algorithm which duplicates each task on more than two different processors with the minimum schedule length is presented, and the number of processors required for the duplication is analyzed with the ratio of communication cost to computation time and the workload of the system. A simulation with various task graphs reveals that the number of processors required for the full-duplex fault-tolerant task scheduling with the obtainable minimum schedule length increases about 30% to 75% when compared with that of the task duplication based scheduling algorithm.
민병준,원정훈,전진우,강현욱,Min, Byoung jun,Won, Jeong hun,Jeon Jin woo,Kang, Hyun Wook 한국건설관리학회 2023 한국건설관리학회 논문집 Vol.24 No.4
The purpose of this study is to develop a prototype curtain wall with improved seismic performance and to verify the seismic performance by conducting an inter-floor displacement test. To this end, a prototype of the curtain wall was manufactured and a displacement similar to the earthquake load was induced, and then the damaged state of the curtain wall was checked. As a result of the first test, the frame and glass of the curtain wall were not damaged, but the Weather Sealant was partially damaged. As a result of the second test, there was no problem of glass breakage in seismic class (special), seismic class (I), seismic class (II), and AAMA 501.6. Through this experiment, the seismic performance of the curtain wall prototype was verified.
A대학교 교사동에 대한 부위별 분류체계에 따른 유지보수비 분석
민병준(Byoung Jun Min),김종욱(Jong Wook Kim),김용수(Yong Su Kim) 한국퍼실리티매니지먼트학회 2015 한국퍼실리티매니지먼트학회지 Vol.10 No.1
The purpose of this study is to analyze work costs and administrative and maintenance costs by each part to improve the present calculation method of work costs by each subcontractor and to estimate systematic administrative and maintenance costs. For the purpose, this study is selected cases of 5 university educational buildings and analyzed maintenance cost and construction cost by a part that is established. According to the result this study is presented analysis table of maintenance cost, construction cost by a part and analyzed annual maintenance cost. The results of this paper is as follows: First, this study is shown systematic establishment by a part selecting cases of 5 university educational buildings and analyzed maintenance cost and construction cost by a part that is established. second, the average costs for cases of 5 university educational building are total 9,183,000,000 Won. Also, the average maintenance costs by a part that is applied discount rate are total 5,311,000,000 Won.
민병준 ( Byeong-jun Min ),성중곤 ( Joong-gon Sung ),원일용 ( Il-young Won ) 한국정보처리학회 2016 한국정보처리학회 학술대회논문집 Vol.23 No.2
제한된 환경에서 로봇이 동적 장애물들에 대해 능동적으로 대처하며 목표한 지점까지 도달하기 위한 알고리즘을 제안한다. 로봇은 행동기반 시스템으로 만들어져 주변 장애물들을 자율적으로 회피한다. ex-agent 는 공중에서 주변 환경들을 modeling 한 뒤 cell-map 을 만들어 A*알고리즘을 통해 이동 경로를 설정한다. 이동 경로와 로봇의 진행방향을 비교하여 회전 방향을 조언해준다. 로봇은 ex-agent 로부터 받은 조언과 센서값들을 조율하여 장애물들을 능동적으로 회피하며 목표 위치를 찾아갈 수 있다. 실험은 시뮬레이터를 통해 이루어졌으며 장애물들에 대해 원만한 회피율을 보였다.