• Title/Summary/Keyword: remote exploration

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Remote sensing and GIS technologies for route selection of 'West-East Nature Gas pipeline'

  • Zhu Xiaoge;Zhang Yaoyan;Zhang Yiming;Van Hu;Shihong Wang
    • Proceedings of the KSRS Conference
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    • 2004.10a
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    • pp.28-30
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    • 2004
  • The West-East Nature Gas Pipeline is a great project in China. Advanced remote sensing technology combined with GIS and GPS is used to select the favorable plan from various possible routes through interpreting the information of topographic landform, regional geology, disaster geology, traffic conditions and nature environment from remote sensing images. There are a lot of changes in geographical and environmental factors along such pipelines due to the rapid development in China. Image maps produced from new satellite data can identify these changes and be used successfully not only on route-selection studies but also on in situ investigation, together with GPS. Results from detail analysis provide necessary information and parameters for plan, design and construction of the pipeline and they are also the basic data for the pipeline database. The set of techniques has been applied on planning and designing several pipelines successfully.

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Polar Remote Sensing in Korea (한국의 극지 원격탐사)

  • Kim, Hyun-Cheol;Hong, Sang-Hoon;Park, Sang-Eun;Lee, Hoonyol
    • Korean Journal of Remote Sensing
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    • v.34 no.6_2
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    • pp.1155-1163
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    • 2018
  • Recently, much attention has been focused on the change and role of the Arctic region due to climate change. Studies using various platforms are being conducted in the polar regions. Among them, monitoring of Arctic cryosphere information using remote sensing is the most important observational role of various scientific activities. This special issue introduces several studies on polar exploration monitoring in polar research. We hope that this special issue contributes to the sharing of information on the role of polar exploration in remote areas, as well as the identification of the current status of domestic polar exploration and remote environmental exploration. We are also looking forward to the efforts of Korean remote sensing experts to find out the persistent polar exploration field and to increase national support.

A Display System of Realtime 3D Bathymetry Using Remote Sensing Exploration and Cloud Computing Technologies (원격탐사와 클라우드 컴퓨팅 기술을 활용한 실시간 3D 해저지형의 디스플레이 시스템)

  • Lee, Jong-Hoon;Park, Man-Gon
    • Journal of Korea Multimedia Society
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    • v.17 no.2
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    • pp.152-159
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    • 2014
  • Recently. utilization of remote sensing exploration and cloud computing has been extended to efficient measurement, store, and update of bathymetry map data according to cloud computing technology. In the field of real ocean, water depth measurements and measurement data management, distribution, and display equipment for the development and dissemination have generated a lot of time and cost. To improve these problems, through real-time three-dimensional display system at this location, we can determine the importance of measurement activities, and reduce the time and cost of measurement activities. Data measured from marine probe vessels and remote sensing exploration equipments and other various channels can be handled and managed. In this paper, we propose a realtime three-dimensional display system through the depth measurements from remote sensing exploration. The proposed real-time three-dimensional display system can be effectively applied in the field of measurement of the topographical survey of the land as well as bathymetry of the sea.

Design & Test of Stereo Camera Ground Model for Lunar Exploration

  • Heo, Haeng-Pal;Park, Jong-Euk;Shin, Sang-Youn;Yong, Sang-Soon
    • Korean Journal of Remote Sensing
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    • v.28 no.6
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    • pp.693-704
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    • 2012
  • Space-born remote sensing camera systems tend to be developed to have very high performances. They are developed to provide extremely small ground sample distance, wide swath width, and good MTF (Modulation Transfer Function) at the expense of big volume, massive weight, and big power consumption. Therefore, the camera system occupies relatively big portion of the satellite bus from the point of mass and volume. However, the camera systems for lunar exploration don't need to have such high performances. Instead, it should be versatile for various usages under various operating environments. It should be light and small and should consume small power. In order to be used for national program of lunar exploration, electro-optical versatile camera system, called MAEPLE (Multi-Application Electro-Optical Payload for Lunar Exploration), has been designed after the derivation of camera system requirements. A ground model of the camera system has been manufactured to identify and secure relevant key technologies. The ground model was mounted on an aircraft and checked if the basic design concept would be valid and versatile functions implemented on the camera system would worked properly. In this paper, results of design and functional test performed with the field campaigns and air-born imaging are introduced.

Satellite Remote Sensing of Groundwater: modeling, algorithm development and validation

  • Ghulam, Abduwasit;Qin, Qiming
    • Proceedings of the KSRS Conference
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    • 2003.11a
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    • pp.1383-1385
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    • 2003
  • Remote sensing has been widely used in the exploration of groundwater. In this paper, on the establishment of empirical function between ground water and soil moisture content 6S code is used to reduce uncertainties in the remote sensing of groundwater. Then ground water levels are calculated using 6S corrected and uncorrected ETM+ image along with isochronous meteorological information. Greater correspondence between field examined and satellite monitoring data is obtained from corrected image than from the uncorrected image.

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Mineral Resources Potential Mapping using GIS-based Data Integration

  • Lee Hong-Jin;Chi Kwang-Hoon;Park Maeng-Eon
    • Proceedings of the KSRS Conference
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    • 2004.10a
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    • pp.662-663
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    • 2004
  • In general, mineral resources prospect is performed in several methods including geological survey, geological structure analysis, geochemical exploration, airborne geophysical exploration and remote sensing, but data collected through these methods are usually not integrated for analysis but used separately. Therefore we compared various data integration techniques and generated final mineral resources potentiality map.

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On Mathematical Representation and Integration Theory for GIS Application of Remote Sensing and Geological Data

  • Moon, Woo-Il M.
    • Korean Journal of Remote Sensing
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    • v.10 no.2
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    • pp.37-48
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    • 1994
  • In spatial information processing, particularly in non-renewable resource exploration, the spatial data sets, including remote sensing, geophysical and geochemical data, have to be geocoded onto a reference map and integrated for the final analysis and interpretation. Application of a computer based GIS(Geographical Information System of Geological Information System) at some point of the spatial data integration/fusion processing is now a logical and essential step. It should, however, be pointed out that the basic concepts of the GIS based spatial data fusion were developed with insufficient mathematical understanding of spatial characteristics or quantitative modeling framwork of the data. Furthermore many remote sensing and geological data sets, available for many exploration projects, are spatially incomplete in coverage and interduce spatially uneven information distribution. In addition, spectral information of many spatial data sets is often imprecise due to digital rescaling. Direct applications of GIS systems to spatial data fusion can therefore result in seriously erroneous final results. To resolve this problem, some of the important mathematical information representation techniques are briefly reviewed and discussed in this paper with condideration of spatial and spectral characteristics of the common remote sensing and exploration data. They include the basic probabilistic approach, the evidential belief function approach (Dempster-Shafer method) and the fuzzy logic approach. Even though the basic concepts of these three approaches are different, proper application of the techniques and careful interpretation of the final results are expected to yield acceptable conclusions in cach case. Actual tests with real data (Moon, 1990a; An etal., 1991, 1992, 1993) have shown that implementation and application of the methods discussed in this paper consistently provide more accurate final results than most direct applications of GIS techniques.

Terrain Exploration Using a Mobile Robot with Stereo Cameras (스테레오 카메라를 장착한 주행 로봇의 야외 탐사)

  • Yoon, Suk-June;Park, Sung-Kee;Kim, Soo-Hyun;Kwak, Yoon-Keun
    • Proceedings of the KSME Conference
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    • 2004.11a
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    • pp.766-771
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    • 2004
  • In this paper, new exploration mobile robot is presented. This mobile robot, called Robhaz-6W, is able to overcome hazardous terrains, recognize three dimensional terrain information and generate a path toward the destination by itself. We develop the passive four bar linkage mechanism adoptable to such terrain without any active control and the real time stereo vision system for obstacle avoidance, a remote control and a path planning method. And the geometrical information is transmitted to the operator in the remote site via wireless LAN equipment. And finally, experimental results for the passive mechanism, the real time stereo vision system, the path planning are reported, which show the versatility of the proposed mobile robot system to carry out some tasks.

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