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人工衛星測量에 의한 自動車 自動位置決定에 관한 實驗的 硏究
康仁準,郭載河,鄭載衡,朴修完 부산대학교 공과대학 1993 工大論文集 Vol.45 No.-
In the fixing of positions on the ground, the fixed position is determined by triangulation, traverse surveying and astronomy surveying. However, when the positional target is moving, it has been impossible to determine the location of position. Satellite position fixing system can be used anywhere on earth arranged in 20,000km high with 24 satellites. The location of car has been determined by the distance from starting point. The theoretical method of the fixing carposition is using satellite position fixing system. This study is the part of the experiment which is done for the development of the system used in Car-position fixing system. In this study, the comparison of one point positioning and relative positioning has been made.
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정영미,장용구,강인준 釜山大學校生産技術硏究所 1996 生産技術硏究所論文集 Vol.50 No.-
GPS는 범지구적 위치결정장비로 그 정도가 아주 높고 활용범위도 광범위하기 때문에 전세계적으로 빠르게 확산되고 있는 실정이다. 그러나 GPS는 위치입력체계가 세계좌표인 WGS84 좌표를 사용하고 있고 BESSEL타원체로의 좌표변화시 동경원점을 기준으로 좌표변화이 이루어지기 때문에 우리나라에서 사용하기에는 어려움이 있다. 또한, 현재 우리나라의 삼각점 성과관리는 종이로 관리되고 있기 때문에 검색 및 수정, 보관에 있어서 비효율적이다. 본 연구는 GPS에 의해 결정된 WGS84좌표를 우리나라에 맞는 TM좌표로 변환하기 위하여 7-parameter를 결정하고 이타원체상수를 이용하여 GPS측량에 의한 성과의 정확한 변환좌표값을 생성하고 이 성과의 효율적인 관리를 위한 데이터베이스시스템을 구축하고자 한다. GPS(Gobal Positioning System) is fastly spreading to the world with higher accuracy and available for widely application. GPS, to be completed in 1990s, is widely used and can determine the position anywhere on earth with satellites which are four of total 24 on the six planes of altitude 20,200 Kilometers. But GPS is difficult to using our country because input system of position is WGS84(World Geodetic System 1984) of world coordinate, and of converting Bessel ellipsoid haved Tokyo's origin station. Also, management in triangulation station in our country is inefficiency at search, revision and storage of data because of using papers. This study is creating exactly converted coordinate value to using constant of ellipsoid after determined 7-parameter for converting to TM (Transverse Mercator) from WGS84.
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강인준,장용구,최철웅 釜山大學校 生産技術硏究所 1994 生産技術硏究所論文集 Vol.47 No.
The geo-spatial information data is classified into the position data and the attribute data. Up to now, the position data can be acquired from the triangulation surveying, traverse surveying, and astronomy surveying. But if the observing station is moving, the position data cannot be acquired by traditional surveying method. This problem can be settled by GPS and the moving position can be confirmed. Generally, digital map is made from digitizing or scanning to the map. The geo-spatial data is intersection of road, engineering building, a primary school, and a gas station near Pusan National University using differential global positioning system. This paper investigates the efficiency of acquisition of geo-spatial information data using DGPS in day and night. 지형공간정보자료는 위치자료와 속성자료로 분류된다. 지금까지, 위치자료는 삼각측량, 다각측량및 천문측량으로 획득될 수 있었다. 그러나 관측점이 움직이면, 위치자료는 고전측량방법으로 획득될 수 없다. 일반적으로, 수치지도는 디지타이징이나 스캐닝으로 만들어 진다. 본 연구에서 쓰인 지형공간자료는 도로의 교차점, 공학관, 국민학교, 부산대학교 근처의 주유소이다. 본 논문에서는 낮과 밤을 통해서 인공위성측량기의 상대측위방법으로 지형공간정보자료획득의 효율성을 조사하였다.
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강인준,이준석,장용구 釜山大學校 都市問題硏究所 1997 都市硏究報 Vol.5 No.-
JAVA is interactive, platform idependent and object-oriented language and meets all needs on Internet GIS. This paper introduce JAVA based GIS program to manipulates various geographic data on internet, communicating interactively and transfer real-time data between server and client. This program analysis roof detector data in all part of pusan area and indicates the traffic states, the road surface conditions, weather information, the shortest cut, and road names in JAVA client windows. Also this study shows various techniques of real time traffic informations.
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康仁準,張容久,郭載河 부산대학교 공과대학 1993 工大論文集 Vol.46 No.-
Geo-Spatial information system(GSIS) processes the information to control geographic and attribute information, totally and systemetically. Authors built up the database of the landuse by cadastral law. Database of the landuse classified by ARC/INFO GSIS software used in Onchun stream, KumjungKu. Aerial photo of Pusan interpret every 10 years. Because the area which is higher than the ground height 100m is the green belt, study area is lower than the ground height 100m which can be developed. It is possible to find the river status of the model area on the aerial photo of 130 scenes in 1973, 1983 and 1993 In this study, authors knew analysis of landscape with interpretation of the aerial photos.
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라플라시안 경계강조에 의한 MRI 영상의 3차원 입체모델의 구현
배상진,최철웅,강인준 釜山大學校生産技術硏究所 1996 生産技術硏究所論文集 Vol.50 No.-
초음파, 단층촬영(CT:Computed Tomography), 그리고 자기공명영상(MRI:Magnetic Resonance Imaging)등이 3차원 입체모텔을 정확하게 표시하기 위하여 실제 환자들의 해부를 통하여 개발되어져왔다. 3차원 입체모델은 대상물의 체적, 위치, 형태등 중요한 정성적, 정량적 정보를 제공할 수 있다. 그러나 자기공명영상은 2차원 다층구조와 복합구조로 구성되어 있어 실제적인 3차원 모습을 알기 어렵다. 본 논문에서는 자기공명영상을 수치데이타화하여 영상처리기법으로 경계선을 추출하고 사진측량기법의 좌표변환으로 동일좌표화 하였으며, Ray Tracing기법에 의하여 3차원 입체모델을 구현하였다. A Method has been developed which allows accurate modeling of 3-Dimension image data such as CT or MRI, with the anatomy of the actual patient. 3-D modelling give some important qualitative and quantitative information about object volume, location and type etc. But the MRI images have 2-D multi-layer and complex constructure, so it is difficult to know real 3D shape. In this paper, MRI images are enhanced of edge by image processing and digitized to digital data. The coordinate of object is transformed to same coordinate system by photogrametry technique and 3-D modelling is made to 3D model by ray tracing technique.
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航空寫眞情報의 데이타베이스에 의한 自然環境變化의 分析 : 釜山大學校를 中心으로
康仁準,郭載河,鄭載衡,朴起台 부산대학교 공과대학 1993 工大論文集 Vol.45 No.-
Photographic interpretation is the act of examining photographic images for the purpose of identifying objects and judging their significance. Aerial photographs contain a detailed record of the ground at the time of exposure. A systematic study of aerial photographs usually involves a consideration of the basic characteristics of photographic images. Seven of these characteristics are shape, size, pattern, shadow, tone, texture, and site. In this paper, authors choose the Pusan National University located at the Kum-Joung Koo, Pusan as model area. Ten years of interval in 1980 and 1990, authors know the rate of decreasing forest is approximately 43 percents and the necessity of the protection of forest. Decrease of forest caused by urbanization. Authors know the changes of natural environment by database for interpretation of aerial photographs. Authors suggest the combination of construction and protection of environment.
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