http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
임재권,이혜경 한국BIM학회 2022 KIBIM Magazine Vol.12 No.4
Fine Dust in Korea has been classified as a social disaster since 2019 due to continuous increase in concentration of Particulate Matter 10(PM 10) and PM 2.5. The fine dust issue has negative physical and mental impacts, especially on vulnerable population including children and the elderly. Seoul metropolitan government have installed fine dust shelters since 2019. However, there is a lack of research that evaluates spatiotemporal distribution of these facilities. Therefore, the first aim of this study is to find the relationship between PM levels and dust scattering construction sites, or air pollutant emission sites through in depth spatial analyses. The second purpose is to analyze the spatial distribution of PM shelters in Seoul, and to evaluate the location efficiency of them. Kernel density, krigging, and network analyses were conducted, and floating population was considered instead of census data for this research. The reults of network analysis based on the road system showed that Yangcheon-gu, Songpa-gu, Seongbuk-gu, and Dobong-gu were found to need additional fine dust shelters. Also, the results from analyzing the floating population that includes children and the elderly showed that Songpa-gu, Seodaemun-gu, Gangdong-gu, Seocho-gu, and Dongdaemun-gu need more placements of find dust shelters. The results of this study are expected to provide implications for urban planners to enhance find dust shelter placement in urban areas, and vulnerable population issues would be considered in many ways.
입력 영상의 서브블록들 사이의 상관계수에 기반한 고속 프랙탈 부호화
임재권,배수정 金烏工科大學校 1998 論文集 Vol.19 No.-
In this paper, we propose a fast fractal coding method based on correlation coefficients of subblocks in input image. In the proposed method, domain pool is selected based on correlation analysis of input image and the isometry transform for each block is chosen based on the IFS method. To investigate the performance of the proposed method. we compared image quality and encoding time with full search PLFS method and Jacquin's PIFS method. Experimental results show that encoding time of the proposed method is reduced dramatically for images size of 512×512 compared with full searh PIFS method and Jacquin's PIFS method. Also the proposed method vields an improvement in PSNR compared with Jacquin's PIFS method.
정보의 신뢰성을 고려한 상황기반 정보제공 에이전트 개발
임재권(Jae-Kwon Lim),이수홍(Soo-Hong Lee),박면웅(Myon-Woong Park),손영태(Yong-Tae Sohn),김재관(Jae-Kwan Kim),배일주(Il-Ju Bae),안원빈(Won-Bin Ahn),이태우(Tae-Woo Lee) (사)한국CDE학회 2011 한국 CAD/CAM 학회 학술발표회 논문집 Vol.2011 No.1
The context-based information service agent is a service or application that be aware of surrounding and actively provide the relevant information. This paper realized context-based observation point service system in order to fulfill context-based information service on the baseball. Also examined a information level`s reliability in order to fulfill the context-based information agent and suggest the usability evaluation and personalized services for the reliability evaluation.
시간에 따른 상황 변화를 고려한 상황기반 정보제공 에이전트 개발
임재권 ( Jae-kwon Lim ),이수홍 ( Soo-hong Lee ),박면웅 ( Myon-woong Park ),손영태 ( Young-tae Sohn ),김재관 ( Jae-kwan Kim ),배일주 ( Il-ju Bae ),안원빈 ( Won-bin Ahn ),이태우 ( Tae-woo Lee ) 한국정보처리학회 2010 한국정보처리학회 학술대회논문집 Vol.17 No.2
상황기반 정보제공 에이전트는 주위의 상황을 인식하고 상황에 적합한 정보를 능동적으로 제공해주는 서비스 또는 애플리케이션 프로그램을 말한다. 상황기반 정보제공 에이전트는 현재의 상황을 정확하게 인식하고 그 상황에 적합한 정보를 추천해야 하기 때문에 상황인지 기능, 상황인식 기능, 정보 검색 및 추천 기능 등 다양한 기능이 요구된다. 본 논문에서는 프로야구에서 상황기반 정보제공 서비스 실현을 위해 상황기반 관전포인트 제공 시스템을 구현한 사례를 소개하였고, 구현에 있어 시간에 따른 상황변화를 정의할 수 있는 지식화 모델 구조를 제시하였다. 그 결과 이전 프로야구에서 제공되고 있는 일방적이고, 제한적인 관전포인트 제공 서비스를 개선할 수 있었다.
칼라모니터 색보정을 위한 모니터 분광분포 특성 재현 방법에 관한 연구
이승목,임재권 금오공과대학교 산업기술개발연구원 2000 産業技術開發硏究 Vol.16 No.-
This paper presents three kinds of reconstruction method of monitor, R,G,B phosphor spectral distributions for color correction by considering the spectral distributions whose characteristics depend on R,G,B input-intensity values. Two different types of monitor, Samsung(SyncMaster, 15GLe) monitor and Panasonic(BT-H1450Y) monitor are chosen as test targets and we rigourously measured monitor spectral distribution characteristics using MCPD(Multi-Channel Photo-Detector). We formulated three mathematical expressions which representing the monitor R,G,B spectral distributions precisely. Then their performances are estimated with the mean square errors evaluated between the monitor spectral distributions measured by experiment and those of represented by the proposed methods. We also compared their color correction performances through S/W simulation of γ-correction and the color correction algorithm using the monitor spectral distributions represented by the proposed methods.
신뢰확산 알고리듬을 이용한 선 그룹화 기반 스테레오 정합
김봉겸,임재권,Kim Bong-Gyum,Eem Jae-Kwon 대한전자공학회 2005 電子工學會論文誌-SP (Signal processing) Vol.42 No.3
변이 영상을 마코브 랜덤필드(MRF)로 모델링한 마코브 네트워크에서 신뢰확산 알고리듬은 각 화소에 대응되는 노드들 사이에 메시지를 전달하는 방식으로 이루어진다. 최초 메시지는 알고리듬의 반복을 통해 특정한 값으로 수렴하게 되며, 수렴된 값을 얻기 위해서는 많은 알고리듬의 반복이 필요하다. 본 논문에서는 알고리듬의 반복을 줄이기 위해 영상내 물체들을 선들의 조합 구성으로 보고 각각의 선들은 같은 메시지를 갖는 노드들의 집합으로 간주하여 기존의 신뢰확산 알고리듬을 단순화하였다. In the Markov network which models disparity map with the Markov Random Fields(MRF), the belief propagation algorithm is operated by message passing between nodes corresponding to each pixel. The initial message value is converged by iterations of the algorithm and the algorithm requires many iterations to get converged messages. In this paper, we simplify the algorithm by regarding the objects in the disparity map as combinations of lines with same message valued nodes to reduce iterations of the algorithm.