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다량의 Landsat 위성영상 처리를 통한 광역 토지피복분류
박성미 ( Sung Mi Park ),임정호 ( Jung Ho Im ),사고호상 ( Ho Sang Sakong ) 대한원격탐사학회 2001 대한원격탐사학회지 Vol.17 No.3
Generally, remote sensing is useful to obtain the quantitative and qualitative information of a wide area. For monitoring earth resources and environment, land cover classification of remotely sensed data are needed over increasingly larger area. The objective this study is to propose the process for land cover classification method over a wide area using multi-scene satellite data. Land cover of Korean peninsula was extracted from a Landsat TM and ETM+ mosaic created from 23 scenes at 100-meter resolution. Well-known techniques that used to general image processing and classification are applied to this wide area classification. It is expected that these process is very useful to promptly and efficiently grasp of small scale spatial information such as national territorial information.
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총설 : 위성자료를 응용한 지구관측 분야의 기술분류와 국내 연구동향 파악
김승범 ( Seung Bum Kim ),안명환 ( Myoung Hwan Ahn ),김계현 ( Kye Hyun Kim ),김문규 ( Moon Gyu Kim ),사고호상 ( Ho Sang Sakong ) 대한원격탐사학회 2001 대한원격탐사학회지 Vol.17 No.3
In this review article, we produce a technology tree in the earth observation by remote sensing, which is the Level I technology in the tree. To define Level Ⅱ technologies, we create a two-dimensional matrix of technologies viewed from methodology and application viewpoints. Consequently the following fields are selected: reception-archiving, atmosphere. ocean, land, GIS, and common technology. For each Level Ⅱ technology. we extract half a dozen Level Ⅲ and about 20-30 Level Ⅳ technologies. For each Level Ⅳ technology. we review the status of domestic research and the approaches for acquiring deficient technology in Korea. Also we survey foreign institutions specializing in the deficient technologies and the time when the deficient technologies are needed. Furthermore we assign priority technologies from the viewpoints of public need and economic benefits. The information given in this article would help understand and collaborate among different disciplines, be a useful guide to a beginner to remote sensing, and assist policy making.
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