搜索结果: 1-15 共查到“测绘科学技术 Landsat-7”相关记录161条 . 查询时间(0.078 秒)
Landsat影像冰川提取的上下文感知语义分割网络法
深度学习 语义分割 冰川提取
2021/6/1
针对冰川提取存在云阴影、山体阴影、结冰湖泊等同物异谱、同谱异物导致难以有效区分的问题，设计了一种用于冰川提取的上下文感知深度学习语义分割网络。首先引入resnet50作为基准编码网络，以实现冰川特征提取的精度和效率平衡，其次针对现有语义分割网络存在上下文信息学习不足方面，设计了包括空洞卷积组块和最大池化组块的上下文信息提取层，以便更好地提取冰川的上下文信息。选择多景样本数据和验证数据的多源遥感影像...
EVAPOTRANSPIRATION ESTIMATION USING SSEBop METHOD WITH SENTINEL -2 AND LANDSAT-8 DATA SET
Evapotranspiration Sentinel-2 Landsat-8 SSEBop
2019/2/28
Estimation of evapotranspiration (ET) parameters is essential for understanding crop water requirements and to find out the ground water recharge. In situ data collection procedures are generally adop...
DYNAMIC MONITORING OF LAND COVER IN DONGTING LAKE AREA BETWEEN 1995–2015 WITH LANDSAT IMAGERY
Dongting Lake, Land Cover, Remote Sensing, Classification, Transfer Matrix, Landscape Pattern
2018/5/15
In this paper, the Landsat imagery of 1995, 2006 and 2015 is used to monitor land cover change in Dongting Lake area. Our study mainly focuses on five types of land cover: water body, wetland, built-u...
A COMPARATIVE ANALYSIS OF SPATIOTEMPORAL DATA FUSION MODELS FOR LANDSAT AND MODIS DATA
Surface Reflectance Remote Sensing Coleambally Landsat-like STI-FM
2018/5/14
In this study, three documented spatiotemporal data fusion models were applied to Landsat-7 and MODIS surface reflectance, and NDVI. The algorithms included the spatial and temporal adaptive reflectan...
APPLYING RANDOM FOREST CLASSIFICATION TO MAP LAND USE/LAND COVER USING LANDSAT 8 OLI
Classification Landsat 8 OLI Land use Land cover Random Forest Decision Tree
2018/5/8
This study used the Random Forest classifier (RF) running in R environment to map Land use/Land cover (LULC) of Dak Lak province in Vietnam based on the Landsat 8 OLI. The values of two RF parameters ...
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...
LANDSAT-8 OPERATIONAL LAND IMAGER CHANGE DETECTION ANALYSIS
Change Detection Analysis Satellite Image Processing Remote Sensing Imaging Sciences Operational Land Imager
2017/7/13
This paper investigated the potential utility of Landsat-8 Operational Land Imager (OLI) for change detection analysis and mapping application because of its superior technical design to previous Land...
DEVELOPMENT OF TIME-SERIES HUMAN SETTLEMENT MAPPING SYSTEM USING HISTORICAL LANDSAT ARCHIVE
Landsat human settlement mapping Learning with Local and Global Consistency
2016/12/1
Methodology of automated human settlement mapping is highly needed for utilization of historical satellite data archives for urgent issues of urban growth in global scale, such as disaster risk manage...
MAPPING OF THE SEAGRASS COVER ALONG THE MEDITERRANEAN COAST OF TURKEY USING LANDSAT 8 OLI IMAGES
Seagrass Cover Landsat 8 Image Classification Remote Sensing
2016/12/1
Benthic habitat is defined as ecological environment where marine animals, plants and other organisms live in. Benthic habitat mapping is defined as plotting the distribution and extent of habitats to...
FEASIBILITY STUDY OF LANDSAT-8 IMAGERY FOR RETRIEVING SEA SURFACE TEMPERATURE(CASE STUDY PERSIAN GULF)
SST Landsat-8 Split-Window MODIS Thermal bands Non-Linear Model
2016/12/1
Sea surface temperature (SST) is one of the critical parameters in marine meteorology and oceanography. The SST datasets are incorporated as conditions for ocean and atmosphere models. The SST needs t...
OCEAN COLOR RETRIEVAL USING LANDSAT-8 IMAGERY IN COASTAL CASE 2 WATERS (CASE STUDY PERSIAN AND OMAN GULF)
Ocean color Landsat-8 MODIS Visible and near infrared bands Non-Linear Model
2016/12/1
Ocean color (OC) monitoring using satellite imageries provides an appropriate tool for a better understanding of marine processes and changes in the coastal environment. Radiance measurements in the r...
CALIBRATION/VALIDATION OF LANDSAT-DERIVED OCEAN COLOUR PRODUCTS IN BOSTON HARBOUR
Landsat ocean colour coastal waters algorithm development water constituents
2016/12/1
The Landsat data archive provides a unique opportunity to investigate the long-term evolution of coastal ecosystems at fine spatial scales that cannot be resolved by ocean colour (OC) satellite sensor...
THE COMBINATION OF UAV SURVEY AND LANDSAT IMAGERY FOR MONITORING OF CROP VIGOR IN PRECISION AGRICULTURE
Unmanned aerial vehicle satellite remote sensing vegetation indices winter wheat site specific crop management
2016/12/1
Mapping of the with-in field variability of crop vigor has a long tradition with a success rate ranging from medium to high depending on the local conditions of the study. Information about the develo...
EXAMINING URBAN EXPANSION USING MULTI-TEMPORAL LANDSAT IMAGERY:A CASE STUDY OF THE MONTREAL CENSUS METROPOLITAN AREA FROM 1975 TO 2015,CANADA
Urban Expansion Remote Sensing Landsat Imagery Classification Change Detection Driven Forces Analysis Montréal Census Metropolitan Area
2016/12/1
Urban expansion, particularly the movement of residential and commercial land use to sub-urban areas in metropolitan areas, has been considered as a significant signal of regional economic development...
AUTOMATED CLASSIFICATION OF LAND COVER USING LANDSAT 8 OLI SURFACE REFLECTANCE PRODUCT AND SPECTRAL PATTERN ANALYSIS CONCEPT-CASE STUDY IN HANOI,VIETNAM
Land cover Landsat 8 surface reflectance pattern analysis automated classification
2016/12/1
Recently USGS released provisional Landsat 8 Surface Reflectance product, which allows conducting land cover mapping over large composed of number of image scenes without necessity of atmospheric corr...