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사용자의 행동패턴 정보를 이용한 ICT 융합 기술과 이종 산업간 데이터 활용에 관한 연구
조경래 ( Kyeong-rae Cho ),전유부 ( You-boo Jeon ) 한국정보처리학회 2015 한국정보처리학회 학술대회논문집 Vol.22 No.1
최근 사용자들의 대량의 디지털 데이터들이 급격히 증가하면서 이종산업간 빅데이터가 제한된 시간에 빠르게 저장하고 활용할 수 있는 백업 고속화 기술이 요구되고 있다. 이종 산업 사이에서 사용자의 행동 패턴을 이용한 ICT 융합기술과 데이터 융합기술이 빅데이터 활용에 대한 사업부문 측면에서 빅 데이터 활용 분야와 그룹차원의 데이터 활용 관점과 이종 산업간 데이터 활용 융합 관점 기업 간 또는 이종 산업 간에 데이터를 융합하여 각자가 구축해 놓은 기반을 함께 활용하는 사례를 통해서 각 기업간의 유 · 무선 융합 신규서비스 발굴 등을 고찰해 보았다.
사물 인터넷 시간의 흐름과 위치 변화에 따른 멀티 블록 스트림 데이터의 의미 있는 패턴 추출 방법
조경래 ( Kyeong Rae Cho ),김기영 ( Ki Young Kim ) 한국정보처리학회 2014 정보처리학회논문지. 컴퓨터 및 통신시스템 Vol.3 No.10
Analysis techniques of the data over time from the mobile environment and IoT, is mainly used for extracting patterns from the collected data, to find meaningful information. However, analytical methods existing, is based to be analyzed in a state where the data collection is complete, to reflect changes in time series data associated with the passage of time is difficult. In this paper, we introduce a method for analyzing multi-block streaming data(AM-MBSD: Analysis Method for Multi-Block Stream Data) for the analysis of the data stream with multiple properties, such as variability of pattern and large capacitive and continuity of data. The multi-block streaming data, define a plurality of blocks of data to be continuously generated, each block, by using the analysis method of the proposed method of analysis to extract meaningful patterns. The patterns that are extracted, generation time, frequency, were collected and consideration of such errors. Through analysis experiments using time series data.
도덕희(Deog Hee Doh),조경래(Kyeong Rae Cho),조용범(Yong Beom Cho) 한국가시화정보학회 2012 한국가시화정보학회지 Vol.10 No.1
Reverse Design(RD) plays an important role in simulation engineering, such as CFD (Computational Fluid Dynamics) and Virtual Engineering and Design. RD becomes much more valuable when there is no shape data of the practical models for CFD grid generations. In this study, two-camera based rapid prototyping(RP) system is proposed. 3D-PTV based measurement algorithm was adopted. The developed system was applied to reconstruct three-dimensional data of a human face, a motorcycle model, a cylindrical body and a triangular pyramid.
3D-PTV 와 비접촉식 6 자유도운동 측정시스템에 의한 유체-탄성체구조 연동운동 해석
도덕희(Deog-Hee Doh),황태규(Tae-Gyu Hwang),조경래(Kyeong-Rae Cho),조용범(Yong-Beom Cho),편용범(Yong-Beom Pyeon),백태실(Tae-Sil Baek) 대한기계학회 2005 대한기계학회 춘추학술대회 Vol.2005 No.5
The interaction between the flow fields and the cylinder motion is examined quantitatively. Analysis on a pulsed impinged jet with 3D-PTV system and 6D-Motion Tracking system was made. A pulsed round jet was impinged on a flexible plate and the flow field near the plate was measured with a 3D-PTV system while the motion of the flexible plate was measured with 6D-Motion Tracking system. The measurement system consists of four cameras, a light source (Ar laser) and a host computer. The flow field has been resolved at 500 ㎐ with 1k × 1k pixels with horizontal and vertical cuts of the flow field. The Reynolds number with the nozzle diameter with mean exit velocity was about 20,000. The results obtained by the fully time- and space-resolved measurement can provide unprecedentedly large amount of information from which not only the statistical quantities but also the time evolution of turbulence structures is extracted.