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박동윤,이용익,최훈성,박재민,정연재,박수홍,김병국,Park, Dong-Youn,Lee, Yong-Ik,Choi, Hoon-Sung,Park, Jae-Min,Jung, Yeun-J.,Park, Soo-Hong,Kim, Byoun-Guk 한국공간정보학회 2009 한국공간정보학회지 Vol.17 No.3
정보통신기술의 급격한 발전과 함께 최근에는 산업간 융합화 현상이 나타나고 있으며, 기술융합에 대한 관심이 고조되고 있다. 특히 공간정보산업은 융합시대를 주도할 기반산업으로서 선도적 역할을 할 것으로 기대되고 있다. 이를 위해 공간정보 분야의 체계적 종합적인 정보화를 위해서 다양한 기술 또는 시스템간의 유기적 연계 및 통합을 위한 상호운용성과 호환성 확보가 필요하다. 또한 기술개발 활동의 전반적인 지원 체계를 위한 분야별 분류 식별이 가능한 통합적인 관리체계가 마련될 필요가 있다. 그리고 기술융합시대에 공간정보의 영역은 어디까지 포함할 것인지 범위를 구분할 필요가 있다. 본 연구에서는 지능형국토정보 기술혁신사업에서 다양한 기술이 혼재되어 있는 5개의 핵심과제를 중심으로 과제 상호간의 유기적 통합 및 개발 위험 감소를 위한 체계를 마련하고, 공간정보 분야의 핵심기술에 대한 범위와 정의 그리고 기술의 중요성 등을 정리하기 위하여 지능형 공간정보 기술참조모델을 제시하고자 한다. Recently, convergence phenomena among industries are appeared with the rapid development of information and communication technology and technology convergence also is emerging as a key issue. Especially, geospatial information industry may be expected to conduct a role as a pioneer in this convergence era. In order to do this, all fields of geospatial information should be classified systematically and interoperability and compatibility among geospatial information systems should be acquired. In this paper, a technical reference model of intelligent geospatial information is proposed to show a hierarchical technical system in the field of geospatial information. The model is developed with five core research projects of Korean Land Spatialization Group (KLSG) and includes also the scope and importance of core technology in the system. The model would be helpful to manage and control all projects of KLSG.
대기오염물질과 환경성 질환 관련 의료이용률과의 연관성 : 일반거주지역을 대상으로
박동윤(Dong Yun Park),이채관(Chae Kwan Lee) 한국환경보건학회 2021 한국환경보건학회지 Vol.47 No.3
Objectives: This study investigated the association between air pollutant levels and medical usage rates for environmental disease in a general residential area during the period 2015-2017. Methods: Air pollutant (PM₁₀, PM₂.₅, SO₂, NO₂, CO, O₃) data were collected from Air-Korea. Medical usage data on environmental disease (asthma, allergic rhinitis, atopic dermatitis) for the period 2015-2017 in a general residential area in Gyeongsangnam-do Province were provided by the National Health Insurance Corporation. Pearson correlation analysis and multiple regression analysis were conducted to investigate the association between air pollutant levels and medical usage rates (SAS 9.4). In the multiple regression analysis, environmental disease was set as the dependent variable and air pollutants were set as independent variables and analyzed using the General Linear Model. Results: Except for PM₂.₅, the average concentration of air pollutants in the surveyed area was below than the air environment standards of Korea. NO₂ was higher than Korea’s national average, but CO was similar. The others were lower than the Korea’s national average. The daily medical usage rates for environmental disease were 1.38‰ for asthma, 9.90‰ for allergic rhinitis, and 0.32‰ for atopic dermatitis. As a result of correlation analysis, PM₁₀ and SO₂, NO₂ and CO were significantly correlated with asthma, PM₁₀ and NO₂ and CO were correlated with allergic rhinitis, and PM₁₀ and PM₂.₅, SO₂, NO₂ and CO were correlated with atopic dermatitis. As a result of multiple regression analysis, PM₁₀ and SO₂ were found to have a higher effect on asthma, PM₁₀ and NO₂ on allergic rhinitis, and SO₂ and NO₂ on atopic dermatitis, compared to other air pollutants. Conclusion: According to these results, air pollutants such as PM₁₀ and SO₂ and NO₂ were associated with the medical usage rates of environmental disease even in relatively low concentrations. Therefore, continuous monitoring will be required for general residential areas.
하역 자동화를 위한 비전 기반 컨테이너 샤시 유도 및 위치 측정
박동윤(Dongyoon Park),박소정(Sojung Park),변성민(Sungmin Byun),정성훈(Sunghoon Jung),김민환(Minhwan Kim) 한국멀티미디어학회 2006 한국멀티미디어학회 학술발표논문집 Vol.2006 No.2
본 논문에서는 비전 기반 샤시 유도 및 위치 측정 시스템(CAMS)을 제안한다. 이 시스템은 컨테이너 샤시에서 컨테이너를 양하역하는 작업을 자동화하는 것을 목적으로 한다. 이를 위해 컨테이너 샤시를 위치 측정이 가능한 지정된 위치로 유도한다. 그 다음 정밀하게 캘리브레이션 된 일 곱 대의 카메라를 사용하여 위치 측정을 수행한다. CAMS는 트랜스퍼 크래인과 독립적으로 동작하며, 40/20피트 전용(겸용) 컨테이너를 적재한 샤시에 모두 적용 가능하다. 14:1 모형에서 실시간으로 샤시를 유도한 후, 허용요차 이내에서 샤시의 위치 측정이 가능함을 확인하였다.
석유화학단지 주변 주거지역 다환방향족탄화수소(PAHs)의 농도와 Monte-Carlo 모의실험을 통한 위해성평가
박동윤(Dong-Yun Park),최영태(Young-Tae Choe),양원호(Wonho Yang),최길용(Kil-Yong Choi),이채관(Chae-Kwan Lee) 한국환경보건학회 2021 한국환경보건학회지 Vol.47 No.4
Background: Polycyclic aromatic hydrocarbons (PAHs) are generated in petrochemical complexes, can spread to residential areas and affect the health of residents. Although harmful PAHs are mainly present in particle phase, gas phase PAHs can generate stronger toxic substances through photochemical reaction. Therefore, the risk assessment for PAHs around the petrochemical complex should consider both particle and gas phase concentrations. Objectives: This study aimed to investigate the concentration characteristics of particle and gas phase PAHs by season in residential areas around petrochemical complexes, and to assess the risk of PAHs. Methods: Samples were collected for 7 days by seasons in 2014~2015 using a high volume air sampler. Particle and gas phase PAHs were sampled using quartz filter and polyurethane foam, respectively, analyzed by GC- MS. Chronic toxicity and probabilistic risk assessment were performed on 14 PAHs. For chronic toxicity risk assessment, inhalation unit risk was used. Monte-Carlo simulation was performed for probabilistic risk assessment using the mean and standard deviation of measured PAHs. Results: The concentration of particle total PAHs was highest in autumn. The gas phase concentration was highest in autumn. The average gas phase distribution ratio of low molecular weight PAHs composed of 2~3 benzene rings was 85%. The average of the medium molecular weight composed of 4 benzene rings was 53%, and the average of the high molecular weight composed of 5 or more benzene rings was 9%. In the chronic toxicity risk assessment, 7 of the 14 PAHs exceeded the excess carcinogenic risk of 1.00×10-6. In the Monte- Carlo simulation, Benzo[a]pyrene had the highest probability of exceeding 1.00×10-6, which was 100%. Conclusions: The concentration of PAHs in the residential area around the petrochemical complex exceeded the standard, and the excess carcinogenic risk was evaluated to be high. Therefore, it is necessary to manage the air environment around the petrochemical complex.
컴퓨터 비전을 이용한 컨테이너 샤시 유도 및 위치 측정 시스템 설계
박소정(SoJung Park),변성민(SungMin Byun),박동윤(DongYoon Park),김민환(MinHwan Kim) 한국멀티미디어학회 2006 한국멀티미디어학회 학술발표논문집 Vol.2006 No.1
항만 첨단화 및 하역 자동화를 위해 컨테이너 샤시의 3차원 위치 정보는 매우 중요하다. 본 논문에서는 컨테이너 샤시를 유도하고 위치를 측정하는 시스템을 설계하였다. 컨테이너 샤시 운전자의 부담을 줄이고 정차 유도 시간을 최소화하기 위해 실시간 차영상을 이용해 샤시를 유도하고, 다양한 샤시의 형태 및 적재 유형에 따라 다른 특징점들을 추출하여 스테레오 비전을 이용하여 샤시의 3차원 위치를 측정 한다. 14대1 크기의 컨테이너 샤시 모형을 이용하여 실험한 결과를 실시간 모니터링하여 제안한 시스템 설계의 타당성을 보였다.
육류가공식품의 조리방법에 따른 PAHs 발생 특성에 관한 연구
이병호 ( Byung Ho Lee ),안유진 ( Yu Jin An ),박동윤 ( Dong Yun Park ),변기영 ( Gi Young Byun ),김경동 ( Kyoung Dong Kim ),이미림 ( Mi Lim Lee ),서정범 ( Jung Bum Seo ),박은영 ( Eun Young Park ),박흥재 ( Heung Jai Park ) 한국환경과학회 2016 한국환경과학회지 Vol.25 No.11
In this study, the concentrations of polycyclic aromatic hydrocarbons (PAHs) were investigated in meat process food and for cooking methods (pan-frying and charcoal fire). The methodology involved liquid-liquid extraction, silica gel cartridge clean-up and determination by gas chromatography/mass spectrometry (GC/MS). The recovery of 17 PAHs spiked into these samples ranged from 66.6 % to 98.0% and the coefficient of variation was less than 10%, but that of dibenz(a,h)anthracene was 16.39%. The mean concentration of total PAHs in processed samples was ND∼7.2 ng/g, whereas that pan-fried and charcoal-fired samples were ND∼22.1 ng/g and, 12.7∼367.8 ng/g, respectively. Therefore, the concentrations of total PAHs in cooked samples were higher than in original samples and charcoal-fired samples had the highest total PAH levels.