搜索结果: 1-15 共查到“测绘科学技术 TM”相关记录60条 . 查询时间(0.109 秒)
基于Landsat TM/OLI影像的兖州煤田水域面积动态监测
采煤沉陷 改进的归一化水体指数 水域变化监测
2017/11/23
为揭示东部高潜水位矿区地表水体的时空演变规律，该文以兖州煤田为研究区，在比较改进归一化差异水体指数法、单波段阈值法、谱间关系法、K-T变换4种水体提取方法的精度及优缺点基础上，采用基于阈值分割的改进的归一化差异水体指数法提取了研究区1990－2014年的水体信息并分析了其时空变化特征。研究结果表明：从1990－2009年，兖州煤田地表水域面积增加了1 696.14 hm2，且2001－2005年水...
A PROBABILITY-BASED STATISTICAL METHOD TO EXTRACT WATER BODY OF TM IMAGES WITH MISSING INFORMATION
Probability statistics Water body extraction of TM images Missing information
2016/7/8
Water information cannot be accurately extracted using TM images because true information is lost in some images because of blocking clouds and missing data stripes, thereby water information cannot b...
ASSESSMENT OF FOUR TYPICAL TOPOGRAPHIC CORRECTIONS IN LANDSAT TM DATA FOR SNOW COVER AREAS
Landsat TM topographic correction Cosine correction C correction SCS correction SCS+C correction snow cover NDSI
2016/7/4
The accuracy of snow cover information extraction in remote-sensing images dependent on a variety of factors, especially in mountain area with complex terrain. This paper aims at analyzing the accurac...
COMPARATIVE ANALYSIS OF SEVERAL TYPICAL APPROACHES OF DESERTIFICATION DYNAMIC MONITORING BASED ON TM DATE
Image processing Detection Space photogrammetry Feature extraction Environmental monitoring
2016/1/3
Land desertification is one of the most important problems about the issue of environment, social and economy in the world. Vegetation category and quantity is a significant criterion to measure the e...
DETECTION OF CHANGES IN LAND DEGRADATION IN NORTHEAST CHINA FROM LANDSAT TM AND ASTER DATA
Remote Sensing Change Detection Land Degradation Thematic Accuracy Landsat ASTER China
2016/1/3
This study aims to determine the accuracy level at which different forms of land degradation can be mapped from medium-resolution satellite data, and to assess how accurately degraded land can be dete...
THE FUSION OF SPOT PANCHROMATIC AND TM MULITSPECTRAL IMAGE BASED ON MULTI-BAND BIORTHOGONAL WAVELET
Fusion Multi-band Biorthogonal Wavelet TM SPOT
2015/12/31
Remote sensing image fusion aims at integrating the information conveyed by data acquired with different spatial and spectral resolution from satellite and aerial platforms. Image fusion is a very imp...
APPLICATION OF TM AND SAR IMAGES FUSION FOR LAND MONITORING IN COAL MINING AREAS
Image Interpretation Change Detection SAR Fusion Texture Analysis Land Cover
2015/12/31
The defection of single data source can be solved with fusion between TM and SAR images. It provides a better solution for land surface monitoring in the mining areas. Results of experiment showed tha...
ANALYSIS OF LAND USE CHANGE IN GUANGZHOU CITY BASED ON TM （ 1997－2003）
TM Land use Classification Land use change Guangzhou
2015/12/31
In this paper,it gave a detailed introduction about the classification process of land use in Guangzhou supported by RS and GIS software using the data of Landsat TM of 1997 and 2003. After being geom...
CONSISTENCY ANALYSIS ON PADDY RICE AREA SURVEY WITH SPOT AND TM IMAGES UNDER THE TOTAL RESTRAINT QUANTITY
Image Interpretation Percentage Vegetation Cover Space Photogrammetry ComparativeAnalysis Crop Satellite Remote Sensing Classification
2015/12/28
Many global problems can be estimated and forecasted by remote sensing with its advantage of periodicity, objectivity and large scale scope, besides plant area estimation. Conventional classification ...
USING TM IMAGE TO ESTIMATE THE QUANTITY OF SAND SEDIMENT IN POYANG LAKE:A CASE IN NANJI XIANG VILAGE
TM Image Sand Sediment Poyang Lake Eco-environment
2015/12/28
In this thesis, we build a relationship between Remote Sensing information and water depth to calculate and analyze the elevation of the riverbed. Combining with the water level elevation data, we can...
Applying Sleuth for Simulating and Assessing Urban Growth Scenario Based on Time Series TM Images: Referencing to a Case Study of Chongqing, China
Mountain Cities Compact City Decentralized Concentration Ecological Integrity
2015/12/2
This research simulates the urban growth and therefore the landscape change of a mountain city of Chongqing, China through a Cellular Automata (CA) based model of SLEUTH. The fundamental data were fou...
A COMPLETELY AUTOMATIC SPECTRAL RULE-BASED PRELIMINARY CLASSIFICATION OF CALIBRATED LANDSAT 5 TM AND LANDSAT 7 ETM+ IMAGES SCALABLE TO ASTER, AVHRR, MODIS, SPOT-4, SPOT-5, AND SPOT VEGETATION IMAGERY
ASTER AVHRR
2015/9/9
In recent years the launch of (very) high-resolution (VHR) spaceborne multi-spectral
(MS) scanners has made purely supervised remote sensing (RS) image analysis over
extended target areas no longer ...
LAND COVER CLASSIFICATION AND MONITORING IN NORTHEAST THAILAND USING LANDSAT 5 TM DATA
Land Use Remote Sensing GIS Thematic Mapper Classification Northeast Thailand
2015/8/31
The study of the land cover is one of the most important factors for planning and managing activities concerning the use of land
surface on this earth. Remote sensing techniques have improved mappin...
GLACIER CHANGE ESTIMATION USING LANDSAT TM DATA
ecosystems land cover glacier spatially and temporally changes
2015/8/24
The Mongolian territory includes various ecosystems as, taiga forest, high mountains, width steppe and gobi desert, through North
to South. The glacier is most important land cover type to keep the ...
Integration of radarsat-1 and landsat tm images for mineral exploration in east oweinat district, south western desert, egypte
East Oweinat Principal Component Landsat TM
2015/8/21
East Oweinat district is located in the south Western Desert of Egypt. It is mainly occupied by outcrops of Archean to Early
Proterozoic rocks of high to medium metamorphic grade and younger granitoi...