• Title/Summary/Keyword: Information of land use

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Integration of Multi-spectral Remote Sensing Images and GIS Thematic Data for Supervised Land Cover Classification

  • Jang Dong-Ho;Chung Chang-Jo F
    • Korean Journal of Remote Sensing
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    • v.20 no.5
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    • pp.315-327
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    • 2004
  • Nowadays, interests in land cover classification using not only multi-sensor images but also thematic GIS information are increasing. Often, although useful GIS information for the classification is available, the traditional MLE (maximum likelihood estimation techniques) does not allow us to use the information, due to the fact that it cannot handle the GIS data properly. This paper propose two extended MLE algorithms that can integrate both remote sensing images and GIS thematic data for land-cover classification. They include modified MLE and Bayesian predictive likelihood estimation technique (BPLE) techniques that can handle both categorical GIS thematic data and remote sensing images in an integrated manner. The proposed algorithms were evaluated through supervised land-cover classification with Landsat ETM+ images and an existing land-use map in the Gongju area, Korea. As a result, the proposed method showed considerable improvements in classification accuracy, when compared with other multi-spectral classification techniques. The integration of remote sensing images and the land-use map showed that overall accuracy indicated an improvement in classification accuracy of 10.8% when using MLE, and 9.6% for the BPLE. The case study also showed that the proposed algorithms enable the extraction of the area with land-cover change. In conclusion, land cover classification results produced through the integration of various GIS spatial data and multi-spectral images, will be useful to involve complementary data to make more accurate decisions.

A STUDY ON IDENTIFICATION OF URBAN CHARACTERISTIC USING SPATIAL ARRANGEMENT METHOD

  • Chou, Tien-Yin;Kuo, Ching-Yi
    • Proceedings of the KSRS Conference
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    • 2003.11a
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    • pp.984-987
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    • 2003
  • In order to rapidly catch up urban region’s detailed land-use or land-cover information; this research used the post-classification algorithm (Spatial Reclassification Kernel: SPARK) to create a land-use map of Taichung City. We discussed the urban land-use classification model with the IKONOS images. The conclusions may be distinguished as follows:(a) Using the Maximum-Likelihood algorithm to classify seven broad land-cover categories. The overall accuracy in this stage achieves 92.72% and Kappa coefficient will be obtained 0.91; and (b) Using the SPARK method to classify images for detect the land-use, the overall accuracy achieves higher 89.64% and Kappa coefficient will be 0.86. To conclude, the research process in this study can fully and carefully describe local land-use pattern and assist the demand of land management and resources planning reference.

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Relationship assessment among land use and land cover and land surface temperature over downtown and suburban areas in Yangon City, Myanmar

  • Yee, Khin Mar;Ahn, Hoyong;Shin, Dongyoon;Choi, Chuluong
    • Korean Journal of Remote Sensing
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    • v.32 no.4
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    • pp.353-364
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    • 2016
  • Yangon city is experienced a rapid urban expansion over the last two decades due to accelerate with the socioeconomic development. This research work studied an investigation into the application of the integration of the Remote Sensing (RS) and Geographic Information System (GIS) for observing Land Use and Land Cover (LULC) patterns and evaluate its impact on Land Surface Temperature (LST) of the downtown, suburban 1 and suburban 2 of Yangon city. The main purpose of this paper was to examine and analyze the variation of the spatial distribution property of the LULC of urban spatial information related with the LST and Normalized Difference Vegetation Index (NDVI) using RS and GIS. This paper was observed on image processing of LULC classification, LST and NDVI were extracted from Landsat 8 Operational Land Imager (OLI) image data. Then, LULC pattern was linked with the variation of LST data of the Yangon area for the further connection of the correlation between surface temperature and urban structure. As a result, NDVI values were used to examine the relation between thermal behavior and condition of land cover categories. The spatial distribution of LST has been found mixed pattern and higher LST was located with the scatter pattern, which was related to certain LULC types within downtown, suburban 1 and 2. The result of this paper, LST and NDVI analysis exhibited a strong negative correlation without water bodies for all three portions of Yangon area. The strongest coefficient correlation was found downtown area (-0.8707) and followed suburban 1 (-0.7526) and suburban 2(-0.6923).

Construction of The Land Price Information System for Land Information Systematization (토지정보의 체계화를 위한 지가 정보시스템 구축)

  • Jung, Sung-Hyuk;Park, Kyeong-Sik;Lee, Jae-Kee
    • Journal of Korean Society for Geospatial Information Science
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    • v.10 no.3 s.21
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    • pp.61-69
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    • 2002
  • The aim of this study is the process of developing the information system of individual announced land price that can efficiently manage the land price work, improve public reliability in services and establish systematization of the national land information. The system is adapted to the test area, as a result, it is concluded that can improve the efficiency of management and the accuracy and objectivity of land price. Thus users can easily use it without professional knowledge since it offer convenient user' environment. Furthermore, it can rapidly search character and classification of land, use-zoning, the present condition of land price and so on. And it can find out change of land price and user according to search of history.

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A Study on Environment Change According to Land Development Plan of Cheju Island Using GSIS Technique (GSIS를 이용한 제주도 국토개발에 따른 환경변화에 관한 연구)

  • 이병걸;강인준
    • Journal of Environmental Science International
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    • v.9 no.1
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    • pp.27-33
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    • 2000
  • The purpose of this paper is to present the environment change of Cheju Island as land development process using GSIS(Geo-Spatial Information System) technique. We implemented the process based on the maps of soil color, underground water pollution points, land use, land development planning and land sight seeing supported by Cheju Province Office. To use the maps for GSIS data, first we transformed the picture data of the office into raster structured picture data using scanner. Second, the coordinate system was added to raster data using 1/50000 geographic map. Third, we estimated land planning process using GSIS technique(overlay and reclass technique). The results showed that land development effected the natural environment(forest, green field, farm land). However, the chemical pollution and land sight seeing was not so much effected by the land development that was found.

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Detecting Land Use Changes in an Urban Area using LANDSAT TM and JERS-1 OPS Imagery (LANDSAT TM과 JERS-1 OPS 영상을 이용한 도시지역의 토지이용 변화 검출)

  • Lee, Jin-Duk;Yeon, Sang-Ho;Ryu, Jae-Yup;Kim, Sung-Gil
    • Journal of the Korean Association of Geographic Information Studies
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    • v.2 no.1
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    • pp.73-83
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    • 1999
  • The land use/cover information, which is periodically obtained from satellite imagery, can be effectively applied to change detection in rapidly changing urban areas. Also it can be used not only as base maps for spatial database in urban information system but as decision-making data for desired urban planning and development direction. In this study, we carried out both unsupervised and supervised classification on land use from Landsat TM and JERS-1 OPS data, which were collected respectively in 1991 and 1997, covering Kumi City and then detected land use changes.

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Fundamental Studies on Regional Analysis of Land Potentiality for Conservation of Natural Park(I) (자연공원의 보호계획을 위한 광역적토지자연의 분석에 관한 연구 (I) -잠재자연의 분석에 관한 고찰-)

  • 배병호
    • Journal of the Korean Institute of Landscape Architecture
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    • v.22 no.1
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    • pp.27-51
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    • 1994
  • The purpose of this study was to suggest basic natural park planning guidelines which have to be considered before conservation plan. For this purpose, land potentiality was analyzed in the regional context. Natural parks in Tokyo Province were chosen as study areas because park systems in Japan and Korea are similar and lots of information are available in Japan. Land capabilities of study areas were analyzed, then the results were utilized to discuss how the natural parks. Land potentiality was analyzed by the degree of location quotient of land use allowance in homogeneous bio-physical land units, then comprehensive potentiality of bio-physical land units was revealed from existing and historical land use allowance. These 2 allowances, also, were utilized to find the limit of land use intensity, and the results were used for qualitative identification of the land potentiality and the land capability. As a results, the land use allowance and characteristics of 6 groups were identified as shown in Table 3 and Figure 6. Qualitative analysis of land potentiality in this study enabled to disscus the conservation and/or preservation of natural parks, based upon elements of land, and the guidelines of natural park conservation policy were suggested from the characteristics of land potentiality and regional relationship. This discussed land potentiality, and existing natural resources which were stressed from conservational view point need to be combined for comprhensive understanding of land resources.

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Development of Cartographic Models for the Resolution of Conflicting Land Use (토지이용의 상충성 해결을 위한 지도학적 모델의 개발)

  • Yi, Gi-Chul
    • Journal of Korean Society for Geospatial Information Science
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    • v.2 no.1 s.3
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    • pp.131-139
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    • 1994
  • Geo-spatial information system technology and cartographic modeling techniques were used as a way to Improve the land use planning process. Off-road vehicle(ORV) trails, timber harvest sites, timber haul mads and wildlife ruffed grouse habitats areas should be allocated together in the Wayne National Forest in the United States. Automated spatial cartographic models were developed to resolve the conflicts of the multiple land use allocation. The techniques of descriptive and prescriptive modeling made the multiple land use allocation efficient and effective.

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Study of Air Quality and Land Use Correlation using GIS (GIS의한 대기오염과 토지이용상태와의 상관성분석에 관한 연구)

  • 최병길;라영우
    • Proceedings of the Korean Society of Surveying, Geodesy, Photogrammetry, and Cartography Conference
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    • 2004.04a
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    • pp.345-352
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    • 2004
  • This study analyzes interrelationship with air pollution quality and land use patterns using GIS. The relationship can be obtained via three steps: (1) making out air pollution map from air pollution information of study area, (2) dividing land use patterns into residential area, commercial area, industrial area, traffic concentrated area, and non-polluted area, and (3) spatial overlaying analysis of GIS. Moreover, through analyzing air pollution quality by land use patterns, pollution sources can be identified. The results also coincide with the characteristics of conventional air pollution finding. More detailed analyses using articulated on site air pollution quality measurement databases are needed to correctly identify the pollution sources through finding interrelationship with land use patterns and air pollution Quality using GIS. The developed method can help trace the path of pollution sources and plan urban land use projects.

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Extraction of Land Surface Change Information by Using Landsat TM Images (Landsat TM 영상을 이용한 지표변화정보 추출)

  • 최승필;양인태
    • Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography
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    • v.21 no.3
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    • pp.261-267
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    • 2003
  • We are able to simultaneously extract the land surface change information, as we input each information extracted from images classified during the two periods, as the attribute information of geographic information, and then use it a parameter of GIS. Hence, this research sought to present basic data far efficient management and development of land surface, together with land use trends, by using the remote-sensing technique enabling the acquisition of the land surface covering information, as well as the benefits of GIS. The research conducted a study on the extraction of land surface change information, and made it possible to treat image information easily compared to the existing image classification methods, thereby making it easy to know the land surface change process for each pixel.