• 대한지리학회지
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• 제41권6호
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• pp.701-713
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• 2006

이 연구는 개발가능성이 높은 지역이 규제지역으로 설정되어 있을 때 규제지역과 규제지역의 주변으로 규제저항이 발생할 것이라는 전제에서 출발한다. 그리고 이에 대한 분석은 GIS를 활용한 공간분석 방법으로 수행하였으며, 평창을 연구지역으로 하였다. 평창의 환경관련 규제현황을 조사하여 환경규제지도를 제작하고, 평창지역 전체의 상대적 개발 가능성 정도를 등급화 하였다. 그리고 이렇게 제작된 규제지도와 개발가능성등급도를 이용하여 상대적인 규제저항 정도를 측정하였다. 그 결과 평창의 환경관련 규제 비율은 남한강 유역권 전체의 규제 비율 보다 높게 나타났으며, 개발 가능성이 높은 지역과 환경 규제지역을 중첩하여 분석한 결과 읍면단위에서는 도암면과 진부면의 규제저항이 높을 것으로 예상되었다. 그리고 평창의 신규건물(1999년 $\sim$ 2005년) 입지와 환경규제와의 관계를 분석한 결과 개발가능성 등급이 높고 규제지역과 인접한 지역에 집중적으로 분포(신규건물의 약 66%가 규제지역으로부터 500m 이내 지역에 분포)하였다. 이러한 결과로 볼 때 지방정부와 주민에게 직접적인 이익을 제공하지 못하는 규제권역 설정 위주의 환경정책은 난 개발과 그에 따른 환경파괴라는 내재된 문제를 지니고 있음을 보여주는 것이다.

• 한국건축시공학회:학술대회논문집
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• 한국건축시공학회 2018년도 춘계 학술논문 발표대회
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• pp.324-325
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• 2018

Recently, the supply and demand of aggregate in the Southeast region has been disrupted because supply of sea sand decreased due to discontinuation of collecting the EEZ aggregate in the southern sea. This study analyzed the Trends of Supply and Demand of Aggregate in the Southeastern Region of South Korea in order to find a solution these social problem.

• 전자공학회논문지B
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• 제29B권10호
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• pp.46-52
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• 1992

This paper considers uncertain systems with closed-loop poles in a polygonal region. A method is presented which is applicable to computing the perturbation of a pole-located region due to parameter uncertainties. A method is also proposed to calculate the bound on parameter uncertainties which allow the closed-loop poles to remain in a specified region. They provide useful robustness measures on the closed-loop poles of uncertain systems.

• 한국환경복원기술학회지
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• 제10권4호
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• pp.41-53
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• 2007

The Baekdudaegan Mountain Range is a backbone of the Korean Peninsula which carries special spiritual and sentimental signatures for Koreans as well as significant ecological values for diverse organisms. However, in spite of importance of this region, the forests of Baekdudaegan have been damaged in a variety of human activities by being used as highland vegetable grower, lumber region, grass land, and bare land, and are still undergoing destruction. The existing researches had determined the details of the damage through on-site and recent observations. Such methods cannot provide quantitative and integrated analysis therefore could not be utilized as objective data for the ecological conservation of Baekdudaegan forests. The goal of this study is to quantitatively analyze the forest damage in the Baekdudaegan preservation region through land cover categorization and change detection techniques by using satellite images, which are 1980s, and 1990s Landsat TM, and 2000s Landsat ETM+. The analysis was executed by detecting land cover changed areas from forest to others and analyzing changed areas' spatial patterns. Through the change detection analysis based on land cover classification, we found out that the deforested areas were approximately three times larger after the 1990s than from the 1980s to the 1990s. These areas were related to various topographical and spatial elements, altitude, slope, the distance form road, and water system, etc. This study has the significance as quantitative and integrated analysis about the Baekdudaegan preservation region since 1980s. These results could actually be utilized as basic data for forest conservation policies and the management of the Baekdudaegan preservation region.

• 한국컴퓨터정보학회논문지
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• 제16권4호
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• pp.61-71
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• 2011

본 논문은 DCT계수와 천이지도 분석을 이용하여 영상 내 자막영역을 검출하는 방법에 대해 제안한다. 기존 DCT계수 분석방법을 이용한 문자영역탐지 방법은 검출률은 높으나 오검출률이 매우 높은 단점이 있고, 천이지도를 이용한문자영역 탐지 방법은 임계값이 정적이기때문에 문자영역 검증단계에서 실제문자영역이 기각되는 일이 빈번히 발생한다. 이러한 문제점을 해결하기 위해 DCT계수 분석방법을 이용하여 유망문자영역맵을 작성하고 이를 천이지도를 이용한 문자영역탐지 방법에 적용하여 임계값을 단계별로 정한다. 그 결과로서 DCT계수 분석을 이용한 문자영역검출방법에 비해 오검출률이 크게 감소하였으며, 기존 천이지도를 이용한 문자영역검출 방법보다 검출률이 크게 향상되었다.

• 유통과학연구
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• 제16권1호
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• pp.59-71
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• 2018

Purpose - Recognizing the importance of small and medium enterprises and venture enterprises for the domestic economy, the purpose of the present study is to select factor termed export modes from among various export success strategies and factors that can help those enterprises secure export competitiveness in the world market to analyze the effects of export modes on the amounts of exports and periods until export after the foundation of those enterprises. Research design, data, and methodology - A structured questionnaire was used as a tool to derive the purpose of the study, and a questionnaire survey was conducted using a mobile survey technique that facilitated the distribution of questionnaire sheets and the collection of results. The main methodology used is crossover analysis, and the regression analysis technique was applied to verify the study results derived, thereby securing the reliability and validity of the final results derived. Results - Small and medium venture enterprises with shorter periods of time until the first export success after establishment adopted direct export modes more frequently, and those enterprises with larger amounts of the first export after establishment adopted direct export modes more frequently. The results of quantitative analysis, indicating that 66.1% of those enterprises with an export amount exceeding one billion won adopted direct export modes, can be said to support the foregoing. The crossover analysis results derived as such were reanalyzed using the PPML regression analysis technique to quantitatively identify that the amounts of the first export of enterprises that adopted direct export modes were larger than those of enterprises that adopted indirect export modes by 120%. Conclusions - The present study implies differentiated values in three aspects. First, the present study investigated and presented the export success factors and strategies of small and medium venture enterprises in a total of 14 countries in the Asian region, European region, North American region, African region, and South American region. Second, it intensively investigated five export modes to identify and verify that they were affecting the export success of small and medium venture enterprises. Third, based on the results of the investigation, the present study presented two marketing implications in the pragmatic aspect.

• 보건행정학회지
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• 제23권4호
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• pp.387-396
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• 2013

Background: The purpose of this study was to analyze the association between areas of Korea Train Express (KTX) region and external medical service use in Korean society using spatial statistical model. Methods: The data which was used in this study was extracted from 2011 regional health care utilization statistics and health insurance key statistics from National Health Insurance Corporation. A total spatial units of 229 districts (si-gun-gu) were included in this study and spatial area was all parts of the country excepted Jeju, Ulleungdo island. We conducted Kruskal-Wallis test, correlation, Moran's I and hot-spot analysis. And after, ordinary linear regression, spatial lag, spatial error analysis was performed in order to find factors which were associated with external medical service use. The data was processed by SAS ver. 9.1 and Geoda095i (windows). Results: Moran's I of health insurance patients' external medical service use was 0.644. Also, population density, Seoul region, doctor factors positively associated with health insurance patients' external medical service. In contrast, average age, health care organization per 100 thousand were negatively associated with health insurance patients' external medical service use. Conclusion: The finding of this study suggested that health insurance patient's external medical service use correlated for seoul region in korea. The study results imply the need for more attention medical needs in the region (si-gun-gu unit) for health insurance patients of seoul region. It is important to adapt strategy to activation of primary health care as well as enhancing public health institution for prevent leakage of patients to other areas.

• Archives of Pharmacal Research
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• 제29권1호
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• pp.88-95
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• 2006

Analysis of molecular nature of mitochondrial DNA (mtDNA) could be powerful marker for anthropological studies of modern populations. While population genetic studies on mtDNA have been reported for several ethnic groups, no such study has been documented for the Korean population. We surveyed mtDNA polymorphisms in the HVS I of noncoding D-loop region and its upstream region from 430 unrelated healthy Korean population by polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) and direct sequencing analysis. PCR product with 2,790 bp spanning the specific mtDNA region (mt13715-16504) was subjected to RFLP analysis using 6 restriction enzyme (Hinf I, Hae III, Alu I, Dde I, Mbo I, Rsa I). On the PAUP analysis of PCR-RFLP results, 38 mtDNA haplotypes (Hap 1-38) were detected in the Korean populations, which were classified into 11 haplogroups (Grp 1-11) of related haplotypes encompassing all 38 haplotypes. In comparison of sequencing data with Anderson's reference sequence, the transition type was more prevalent than the transversion type. Insertions or deletions were not found. In addition, three of the polymorphic sites (A16240C, A16351G, G16384A) in HVS-I region are determined newly. The polymorphic sites were distributed randomly in the region, though the frequency at each site was variable. Thus, this research might be required for the genealogical study of Orientals.

• 한국지구과학회지
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• 제44권2호
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• pp.119-134
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• 2023

본 연구는 2021년 3월 1일부터 2일까지 영동지역에 강설이 발생했던 사례의 종관적, 열역학적, 역학적 특성을 분석한 것이다. 분석에 사용한 자료는 AWS 관측자료, 지상일기도, ERA5 재분석 자료, 레윈존데, 천리안 2A 위성 자료, WISSDOM 자료 등이다. 사례 기간 영동지역 4개소에서 관측된 적설은 10 cm 이상으로 나타났으며, 북강릉(37.4 cm)에서는 가장 많은 적설을 보였다. 종관 분석결과, 동해상 및 영동지역 주변으로 중·상층 대기의 매우 차고 건조한 대기와 상대적으로 따뜻한 하층 대기의 온도 차이로 대류 불안정이 형성되어 북강릉 지역으로 대류운의 발달과 함께 강설이 나타났다. 특히 열역학적 및 운동학적 연직 분석에서, 하층에서 온위의 연직 경도에 의한 강한 바람과 한랭이류에 의한 대류 불안정이 영동지역의 강설 발생에 큰 역할을 한 것으로 판단된다. 이러한 결과는 레윈존데의 연직 분석에서도 확인할 수 있었다.

• 대한전자공학회:학술대회논문집
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• 대한전자공학회 2002년도 ITC-CSCC -2
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• pp.1260-1263
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• 2002

This paper takes the region segmentation in image processing and the semantic importance in an image analysis into consideration for digital image watermarking. A semantic importance for an object region, which is segmented by specific features, is determined according to the contents of the region. In this paper, face images are the targets of watermarking for their increasing importance, the use of frequency and strong necessity of protection. A face region is detected and segmented as an object region and encoded watermark information is embedded into the region. Employing a masking and filtering method, experiments are carried out and the results show the usefulness of the proposed method even when there are high compression and a synthesis as a case of copyright infringement.