• 한국측량학회:학술대회논문집
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• 한국측량학회 2004년도 추계학술발표회 논문집
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• pp.519-522
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• 2004

The purpose of this research is to design a road using digital photogrammatry method to generate DEM(digital elevation model) and digital ortho image based on GSIS which was applied to the road simulation. The example study area was the suburbs of Jeju city. To this study, 1/5,000 digital map and GSIS technique were used for optimum road design of the island based on Arc View software. Using this software we can Set an overlay map by combination of hill shade map, slope map, aspect map, and building buffer map. Based on this overlap map, we designed the best road line and along this line we performed three dimensional road simulation using Microstation CAD and Inroads road design programs. From the results, we found that the DEM and digital ortho image acquired from stereoairphoto using digital photogrammatry was satisfied for choosing the best roadline and the developed three dimensional road simulation technique using GSIS technique was very useful to estimate the reasonable road design before the real road construction works.

• 한국환경과학회지
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• 제13권6호
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• pp.489-495
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• 2004

The purpose of this research is to apply GIS(Geographic Information System) for the road simulation and find some benefits analysis for the design processes. The northern Jeju island was selected as a case study. The 1/5,000 digital map and GIS technique were used for optimum road design of the island based on Arc View software. Using this software we can get an overlay map by combination of hill shade map, slope map, aspect map, and building buffer map. Based on the overlay map, we designed the optimum road line and performed three dimensional simulation. From the results, we found that the developed three dimensional road simulation technique using GIS technique that was very useful tool to estimate the reasonable road design before the real road construction works.

• Journal of Positioning, Navigation, and Timing
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• 제9권1호
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• pp.23-31
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• 2020

It is essential to estimate the vehicle localization for an autonomous safety driving. In particular, since LIDAR provides precise scan data, many studies carried out to estimate the vehicle localization using LIDAR and pre-generated map. The road marking always exists on the road because of provides driving information. Therefore, it is often used for map information. In this paper, we propose to generate the Gaussian mixture map based on road-marking information and localization method using this map. Generally, the probability distributions map stores the single Gaussian distribution for each grid. However, single resolution probability distributions map cannot express complex shapes when grid resolution is large. In addition, when grid resolution is small, map size is bigger and process time is longer. Therefore, it is difficult to apply the road marking. On the other hand, Gaussian mixture distribution can effectively express the road marking by several probability distributions. In this paper, we generate Gaussian mixture map and perform vehicle localization using Gaussian mixture map. Localization performance is analyzed through the experimental result.

• 한국측량학회지
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• 제30권4호
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• pp.379-388
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• 2012

2011년부터 본격적으로 도로명주소 체계가 시행 및 활용되고 있으나, 가장 대표적인 국가기본도인 수치지도는 현재 도로명주소 체계와 관련된 정보를 포함하지 않고 있는 관계로 도로명주소 체계하에서의 활용이 원활하게 이루어지기 어렵다. 본 논문에서는 수치지도 객체의 속성정보에 도로명주소 관련 정보를 추가하여 확장형 수치지도를 생성할 수 있는 방법론을 연구하였다. 먼저 도로명주소 지도의 도로구간 레이어와 수치지도 도로중심선 레이어와의 중첩 분석을 통하여 두 레이어의 객체간 매칭 관계를 도출였으며, 두 레이어의 속성항목 분석을 통하여 도로명주소 지도에서 수치지도로 추가할 속성항목을 추출하였다. 도출된 결과를 이용하여 도로명주소 지도의 도로명주소 관련 속성정보들을 수치지도 도로중심선 데이터로 전달하였다. 이러한 과정을 거쳐 속성 확장된 수치지도 도로중심선 레이어는 도로명주소 체계에 따른 도로명 정보를 속성으로 갖게 되며, 이에 따라 수치지도 활용시에 도로명주소 체계에 따른 위치참조가 가능하게 된다.

• 예술인문사회 융합 멀티미디어 논문지
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• 제5권2호
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• pp.223-230
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• 2015

기존 지번방식의 주소체계로부터 도로명주소체계로의 변환으로 인해 공공 및 민간분야에서 도로명주소의 활용성이 점차 증가하고 있다. 따라서 도로명주소기본도 데이터의 신뢰성이 절실히 요구되며 이는 데이터의 정확도를 뜻한다. 그러나 도로명주소기본도는 작성당시 서로 다른 도면의 사용으로 인해 정확도가 떨어지므로 활용성 또한 미비한 실정이다. 이에 본 연구에서는 각 시도별 도로명주소기 본도의 구축현황을 파악하고, 도로명주소기본도의 위치정확도 오류를 분석하였다. 그 결과 지적현황측량 성과의 RMSE가 수치지형도측량 성과의 RMSE보다 낮게 나타난 것을 알 수 있었으며 향후 도로명주소기본도에 대한 개선방안 제시의 기초자료로 활용될 수 있을 것으로 판단된다.

• 한국소음진동공학회:학술대회논문집
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• 한국소음진동공학회 2008년도 추계학술대회논문집
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• pp.311-316
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• 2008

It is needed to assess the impact of the road traffic noise for city planning. In Korea, the current noise impact assessment h3s not yet considered the impacts of the multiple reflection, the deflection and the ground attenuation caused by buildings and other obstacles. A noise map is useful tool to solve this problems. But before everything else, suitability of noise map must be assessed for variety of geometry conditions. In this study, we assessed suitability of road traffic noise map by compared measured noise levels with predicted noise levels from each road traffic noise map for Site A, B and C.

• 한국측량학회지
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• 제37권2호
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• pp.91-97
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• 2019

In automatic map generalization, the formalization of cartographic principles is important. This study proposes and evaluates the selection method for road network generalization that analyzes existing maps using reverse engineering and formalizes the selection rules for the road network. Existing maps with a 1:5,000 scale and a 1:25,000 scale are compared, and the criteria for selection of the road network data and the relative importance of each network object are determined and analyzed using $T{\ddot{o}}pfer^{\prime}s$ Radical Law as well as the logistic regression model. The selection model derived from the analysis result is applied to the test data, and road network data for the 1:25,000 scale map are generated from the digital topographic map on a 1:5,000 scale. The selected road network is compared with the existing road network data on the 1:25,000 scale for a qualitative and quantitative evaluation. The result indicates that more than 80% of road objects are matched to existing data.

• 대한원격탐사학회:학술대회논문집
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• 대한원격탐사학회 2002년도 Proceedings of International Symposium on Remote Sensing
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• pp.766-771
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• 2002

Automatic change detection based on the vector-to-raster comparison is hard especially in high-resolution image. This paper proposes a method to designate roads in high-resolution image in sequential manner using the information from vector map in which Hough transform is used for reliability. By its linearity, the road of urban areas in a vector map can be easily parameterized. Following some pre-processing to remove undesirable objects, we obtain the edge map of raster image. Then the edge map is transformed to a parameter space to find the selected road from vector map. The comparison is done in the parameter space to find the best matching. The set of parameters of a road from vector map is treated as the constraints to do matching. After designating the road, we may overlay it on the raster image for precise monitoring. The results can be used for detection of changes in road object in a semi-automatic fashion.

• 대한공간정보학회지
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• 제2권2호
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• pp.89-98
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• 1994

자동차항법장치에 있어서 정확한 위치표현기능, 최적경로안내, 목적지검색, 지형지물정보 제공기능 등을 수행하기 위해서는 수치도로지도가 가장 기본적 요소이다. 그러나, 미국의 TIGER 화일같이 수치도로지도제작에 쉽게 이용될 수 있는 범국가적인 수치지도가 한국에는 마련되어 있지 않으므로, 새로이 제작을 할 수밖에 없는 현실이다. 본 연구에서는 항법용 수치도로지도를 제작함에 있어서 그 호환성과 경제성을 확보하고, 수치도로지도의 질적안정성을 기하기 위한 필요조건을 제시하였으며, 그 결과로 좌표계와 정확도의 기준을 제시하였고, 데이타베이스 항목과 그 구조를 결정하였다.

• 한국소음진동공학회:학술대회논문집
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• 한국소음진동공학회 2007년도 춘계학술대회논문집
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• pp.867-871
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• 2007

Noise map is very efficient tool to evaluate the road traffic noise. However, calculation time and accuracy of noise map heavily depend on the grid size of noise map. In this study, effects of grid size on the prediction results of road traffic noise map have been investigated in detail for urban and rural areas, respectively, and efficient grid size for the noise map has been proposed.