• 제목/요약/키워드: Resolution Strategies

검색결과 165건 처리시간 0.028초

${\cdot}$공간적 고해상도 자동차 배출량 모형의 개발 (Development of Vehicle Emission Model with a High Resolution in Time and Space)

  • 박성규;김신도;박기학
    • 한국환경보건학회지
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    • 제30권3호
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    • pp.293-299
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    • 2004
  • Traffic represents one of the largest sources of primary air pollutants in urban area. As a consequence, numerous abatement strategies are being pursued to decrease the ambient concentration of pollutants. A characteristics of most of the these strategies is a requirement for accurate data on both the quantity and spatial distribution of emissions to air in the form of an atmospheric emission inventory database. In the case of traffic pollution, such an inventory must be compiled using activity statistics and emission factors for vehicle types. The majority of inventories are compiled using passive data from either surveys or transportation models and by their very nature tend to be out-of-date by the time they are compiled. The study of current trends is towards integrating urban traffic control systems and assessments of the environmental effects of motor vehicles. In this study, a model of vehicle emission calculation by using real-time traffic data was studied. Traffic data, which are required on a street-by-street basis, is obtained from induction loops of traffic control system. It is possible that characteristics of hourly air pollutants emission rates is obtained from hourly traffic volume and speed. An emission rates model is allocated with a high resolution space by using geographic information system (GIS). Vehicle emission model was developed with a high resolution spatial, gridded and hourly emission rates.

Classification Strategies for High Resolution Images of Korean Forests: A Case Study of Namhansansung Provincial Park, Korea

  • Park, Chong-Hwa;Choi, Sang-Il
    • 대한원격탐사학회:학술대회논문집
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    • 대한원격탐사학회 2002년도 Proceedings of International Symposium on Remote Sensing
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    • pp.708-708
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    • 2002
  • Recent developments in sensor technologies have provided remotely sensed data with very high spatial resolution. In order to fully utilize the potential of high resolution images, new image classification strategies are necessary. Unfortunately, the high resolution images increase the spectral within-field variability, and the classification accuracy of traditional methods based on pixel-based classification algorithms such as Maximum-Likelihood method may be decreased (Schiewe 2001). Recent development in Object Oriented Classification based on image segmentation algorithms can be used for the classification of forest patches on rugged terrain of Korea. The objectives of this paper are as follows. First, to compare the pros and cons of image classification methods based on pixel-based and object oriented classification algorithm for the forest patch classification. Landsat ETM+ data and IKONOS data will be used for the classification. Second, to investigate ways to increase classification accuracy of forest patches. Supplemental data such as DTM and Forest Type Map of 1:25,000 scale are used for topographic correction and image segmentation. Third, to propose the best classification strategy for forest patch classification in terms of accuracy and data requirement. The research site for this paper is Namhansansung Provincial Park located at the eastern suburb of Seoul Metropolitan City for its diverse forest patch types and data availability. Both Landsat ETM+ and IKONOS data are used for the classification. Preliminary results can be summarized as follows. First, topographic correction of reflectance is essential for the classification of forest patches on rugged terrain. Second, object oriented classification of IKONOS data enables higher classification accuracy compared to Landsat ETM+ and pixel-based classification. Third, multi-stage segmentation is very useful to investigate landscape ecological aspect of forest communities of Korea.

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결혼이주여성을 위한 통합예술치료 프로그램이 자기유능감 및 갈등대처방식에 미치는 효과 (Effects of an Integrative Art Therapy Program on Self-Efficacy and Conflict Coping Strategies in Marriage Migrant Women)

  • 박순희
    • 디지털융복합연구
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    • 제14권11호
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    • pp.565-575
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    • 2016
  • 본 연구는 결혼이주여성의 자기유능감을 향상하고, 부부 간 갈등해결방법 습득과 친밀한 가족관계 형성을 위해 통합예술치료 프로그램을 실시하여 어떠한 효과가 있는지 밝히고자 하였다. 본 프로그램의 대상자는 A시에 거주하는 결혼이주여성으로 한국에 거주한지 2년 이상인 여성으로 한정하였다. 실험집단 30명, 통제집단 31명을 무선표집으로 배치하고, 총 8회에 걸쳐 개입하였다. 사전검사는 1회 차에 실시하였으며, 사후 검사는 프로그램이 끝난 지 한 달 후에 실시하였다. 결혼이주여성을 위한 통합예술치료 프로그램의 실시 결과, 실험집단이 통제집단에 비해 자기유능감과 갈등해결방식에 효과가 있게 나타났다. 본 연구에서 실시한 결혼이주여성을 위한 통합예술치료 프로그램은 결혼이주여성으로 하여금 성공 경험을 만들어 줌으로써 자신감을 회복하고, 적극적으로 원만한 부부관계 및 가족관계를 형성하게 하기 위한 것이다. 또 실천 현장에서 활용할 수 있는 통합예술치료 프로그램을 제시하여 이주여성의 가족 및 사회적응의 기초를 마련하고자 한다.

LANDCOVER CHANGE DETECTION USING MODIS TEMPORAL PROFILE DATA SUPPORED BY ASTER NDVI

  • Yoon, Jong-Suk;Kang, Sung-Jin;Lee, Kyu-Sung
    • 대한원격탐사학회:학술대회논문집
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    • 대한원격탐사학회 2008년도 International Symposium on Remote Sensing
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    • pp.382-385
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    • 2008
  • MODIS images have a great advantage of high temporal resolution to monitor land cover changes in a large area. The moderate and low spatial resolution satellite images are incomparably economic than high resolution satellite images. As diverse satellite images are provided recently, strategies using satellite images are necessary for continuous, effective and long-term land monitoring. This research purposed to use MODIS images to monitor land cover in Korean peninsula for long-term and continuous change detection. To maximize the advantages of high temporal resolution, the change detection was based on the MODIS temporal profiles of the surface reflectance for one year. In this study as the reflectance patterns of year 2005 were compared with the reflectance patterns of year 2007, the changed pixels could be detected during two years. To set up the threshold value for the decision of change, ASTER images with the higher spatial resolution, 15m, were used for this study. The test area covered the suburban area of metropolitan city, Seoul, where the landcover changes have been frequently happened.

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High-Resolution Microarrays for Mapping Promoter Binding sites and Copy Number Variation in the Human Genome

  • Albert Thomas
    • 한국생물정보학회:학술대회논문집
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    • 한국생물정보시스템생물학회 2006년도 Principles and Practice of Microarray for Biomedical Researchers
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    • pp.125-126
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    • 2006
  • NimbleGen has developed strategies to use its high-density oligonucleotide microarray platform (385,000 probes per array) to map both promoter binding sites and copy number variation at very high-resolution in the human genome. Here we describe a genome-wide map of active promoters determined by experimentally locating the sites of transcription imitation complex binding throughout the human genome using microarrays combined with chromatin immunoprecipitation. This map defines 10,567 active promoters corresponding to 6,763 known genes and at least 1,196 un-annotated transcriptional units. Microarray-based comparative genomic hybridisation (CGH) is animportant research tool for investigating chromosomal aberrations frequently associated with complex diseases such as cancer, neuropsychiatric disorders, and congenital developmental disorders. NimbleGen array CGH is an ultra-high resolution (0.5-50 Kb) oligo array platform that can be used to detect amplifications and deletions and map the associated breakpoints on the whole-genome level or with custom fine-tiling arrays. For whole-genome array CGH, probes are tiled through genic and intergenic regions with a median probe spacing of 6 Kb, which provides a comprehensive, unbiased analysis of the genome.

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The Benefit of Ambiguity Resolution Using Triple Frequency

  • Tominaga, Reiji;Gomi, Yasuto;Zhang, Yun;Kubo, Nobuaki;Yasuda, Akio
    • 한국항해항만학회:학술대회논문집
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    • 한국항해항만학회 2006년도 International Symposium on GPS/GNSS Vol.2
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    • pp.23-26
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    • 2006
  • Modernized GPS will have three frequencies modulated with three signals, which will be accessible to all users in the near future. This new frequency provides an opportunity to resolve the double differenced (DD) integer ambiguity very fast and with almost no baseline constraints. In order to study the performance of triple frequency system for Ambiguity Resolution (AR) over the medium baseline under different ionospheric levels, the Klobuchar Model was implemented and used in our triple simulation to generate the ionospheric delay. Furthermore, the White-Gaussian noise applying to distance-dependent parameters was added to the DD ionospheric delay. For medium baseline (defined as here 20 to 40kms), success rates of AR has been pretty improved. In this paper, the medium baseline AR strategies that take advantage of carrier phase measurement on the third frequency will be discussed.

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컨텐츠마케팅 전략에 대한 연구 (A study on the Contents Marketing Strategy.)

  • 김세환
    • 산업융합연구
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    • 제12권1호
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    • pp.24-37
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    • 2014
  • An increasing numbers ot enterprises are involving in the Contents marketing. The reason is that Contents Marketing owns the stronger influences on the market which relative to that of other media. In this research the aim is presenting of the effective schemes that suitable for the domestic contents marketing climate, through analytical research of current situations and pointing of potential issues of contents marketing progress. Enterprises may have the abundant and essential cognitions about the contents marketing before the starting of the contents marketing project. Then, it is useful to develop the correlative communication strategies, customers' management strategies and crisis-resolution strategies. All of that done may bring the functional benefits for the domestic enterprises investment in the contents marketing.

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갈등관리스타일에 영향을 미치는 퍼스낼리티 요인: 성격 5요인(Big Five Factors), 자아존중감, 자기감시를 중심으로 (The Effects of Adolescent's Big-Five Personality Factors, Self-Esteem and Self-Monitoring on Their Conflict Resolution Management Style)

  • 장해순;한주리;허경호
    • 한국언론정보학보
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    • 제37권
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    • pp.418-451
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    • 2007
  • 본 연구는 청소년기의 고등학생들을 대상으로 이들의 갈등관리유형을 또래간의 관계를 중심으로 파악하고, 이같은 갈등유형이 성격 5요인, 자아존중감, 및 자기감시와 어떤 관계가 있는지 살펴보았다. 먼저 성격 5요인이 갈등관리스타일에 어떠한 영향을 미치는가를 살펴 본 결과 친화성, 성실성, 외향성, 개방성이 높을수록 협력전락을 더 많이 사용하는 것으로 나타났다. 반면 신경불안증이 높고, 친화성과 외향성이 낮을수록 공격전략을 더 많이 구사하는 것으로 드러났다. 성실성, 외향성, 개방성이 낮고 신경불안증이 높을수록 회피전략을 더 많이 사용하는 것으로 밝혀졌다. 또한 자아존중감과 자기감시가 청소년의 갈등관리스타일에 어떠한 영향을 미치는가를 살펴본 결과 자아존중감이 높을수록 협력전략을 더 많이 사용하는 반면 공격전략과 회피전략은 더 적게 표출하는 것으로 나타났다. 자기감시 정도가 높을수록 갈등상황에서 협력전략을 더 많이 사용하는 반면 회피전략은 더 적게 행사하는 것으로 분석되었다.

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임상 간호사의 직무 스트레스, 대인갈등 해결 전략 및 직무 만족도 (A Survey on the Work Stress, Interpersonal Conflict Resolution Strategy and Job Satisfaction in Clinical Nurse)

  • 양혜주;박정숙
    • 지역사회간호학회지
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    • 제9권2호
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    • pp.533-549
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    • 1998
  • This descriptive study was designed to measure the degrees of work stress and job satisfaction and use interpersonal conflict resolution strategy as an attempt to provide clinical nurses basic data to develop strategies releasing work stress and improving job satisfaction. These data were collected from 367 clinical nurses working in 9 hospitals nation-wide from May 1, to June 30, 1998. A structured questionaire was used for data collection. The questionnaire included Kim and Koo's work stress scale, Lee's interpersonal conflict resolution strategy scale and a Minesota satisfaction questionnaire. Data analysis was done by the use of the SAS computer program with descriptive statistics, t -test, ANOVA, Scheffe test, Pearson Correlation Coefficient and Cronbach - ${\alpha}$. The results were as follows 1. The mean score of work stress for the subjects was 4.34(SD=0.64). The highest scored reasons for work stress were 'inadequate com pensation' 4.93(SD=0.86), 'lack of professional knowledge and skill' 4.70(SD=0.92) and 'unsatisfactory relationship with superior authorities' 4.63(SD=0.97). The lowest scored reasons were 'unsatisfactory relationship with inferior staff' 3.72(SD=1.02), 'inadequate mechanical environment' 3.72(SD=1.11) and 'interpersonal problems' 3.85 (SD=1.06), The work stress in clinical nurses differed significantly depending on the hospital type (F=4.00, p=0.0082). 2. The clinical nurses used compromise(45.1%) as the best interpersonal conflict resolution strategy. The second was collaboration(32.8%), the third accomodation(14.2%), the forth avoidance(4.2%) and the fifth competition(3.6%). 3. The item score of job satisfaction of the subject was 3.00(SD=0.43), The job satisfaction in clinical nurses differed significantly depending on age(F=5.67, p=0.0000), marital status(t= -1.89, p=0.0511), academic career(F=5.84, 0.0001), official position (F=7.38, p=0.0001), and work career(F=6.33, p=0.0001). 4. The result of the analysis of relationship between work stress and job satisfaction was significant(r= -0.34, p=0.0000). In conclusion, it was found that work stress was very high in clinical nurses. They used interpersonal conflict resolution strategies to release their interpersonal problems and to increase their job satisfaction. Therefore, adequate stress management for clinical nurses will provide them with higher job satisfaction and hence lead to more qualitified nursing care.

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통일시대 북한지역의 정보화 추진 실행 전략 설계: 정보격차해소 관점으로 (Designing Practical Strategies Implementing Informatization in North Korea Region for Unification Era: The Resolution of Information Devide Approach)

  • 박종필
    • 디지털융복합연구
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    • 제15권12호
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    • pp.13-23
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    • 2017
  • 오늘날 '정보화사회' 구축은 국가경쟁력 획득에 중요한 수단이 된다. 특히, 우리나라는 전 세계적으로 성공적인 정보화 구축 대표 사례로 평가 받고 있다. 이와는 반대로 북한은 심각한 '정보격차' 문제로 인해 그렇지 못한 실정이다. 이러한 정보격차의 발생원인으로는 세 가지 측면이 있다. 첫째, 매체접근성, 둘째, 정보동원력, 셋째, 정보의식이다. 이러한 세가지 측면을 바탕으로 통일 이후 북한지역의 정보화 구축 과정에 대해 설계 제안한다. 본 연구의 목적은 통일시대를 대비해 어떻게 북한 지역의 정보화 구축을 할 것인가에 대해 단계별 실행 전략을 도출하고자 한다. 이를 위해 우리나라와 북한의 정보화 구축 단계들을 각각 살펴보고 추진과정을 분석하였다. 본 연구에서 제시한 실행전략이 향후 연구에 있어서 거대한 담론을 일으키는 초석이 될 수 있을 것으로 기대한다.