搜索结果: 1-11 共查到“摄影测量与遥感技术 sampling”相关记录11条 . 查询时间(0.151 秒)
SAMPLING METHODS USING REMOTE SENSING AND GLOBAL POSITIONING SYSTEM FOR CROP ACREAGE ESTIMATION AT-NATIONAL SCALE IN CHINA
Sampling Sampling unit Stratified sampling RS GPS Agricultural condition Acreage
2016/1/3
Sampling methods have to be applied in agricultural condition monitoring at national scale. When selecting sampling methods, more attention needs to be paid not only to objects monitored, but also to ...
OPTIMIZED DESIGNS OF FRAMEWORKS AND ELEMENTS IN SPATIAL SAMPLING FOR CROP AREA ESTIMATION
Sampling Techniques Sampling Frame Sampling Efficiency Sample-Square Dimension Sample Size
2015/12/28
The experiments were conducted for monitoring crop area by spatial sampling methods in a winter wheat main production region with a size of 42Km×42Km in Hengshui City, Hebei Province in China to optim...
SIMULATING SAMPLING EFFICIENCY IN AIRBORNE LASER SCANNING BASED FOREST INVENTORY
Airborne laser scanner Simulator Forest inventory
2015/11/10
A simple simulator was developed to test whether airborne laser scanning can be used as a strip sampling tool for forest inventory purposes. The simulator is based on the existing two stages,grid base...
STATISTICAL PROPERTIES OF MEAN STAND BIOMASS ESTIMATORS IN A LIDARBASED DOUBLE SAMPLING FOREST SURVEY DESIGN
Forestry statistics LIDAR sampling inventory biomass
2015/11/10
Airborne laser scanning (lidar) can be a valuable tool in double-sampling forest survey designs. Lidar-derived forest structure metrics are often highly correlated with important forest inventory vari...
CROP AREA ESTIMATION USING REMOTE SENSING ON TWO-STAGE STRATIFIED SAMPLING
crop acreage remote sensing stratified sampling
2015/7/29
In this paper, we analyses problems that remote sensing technique met in China. And provide a new methodology on stratified
sampling technique. During the stratification procedure, physical factors,...
Study of Sampling Methods for Accuracy Assessment of Classified Remotely Sensed Data
Remote Sensing Land cover Classification
2015/7/9
Accuracy assessment is an important step in the process of analyzing remote sensing data. It determines the value of the resulting
data to a particular user, i.e. the information value. Remote sensin...
SAMPLING OF BIDIRECTIONAL REFLECTANCE FROM MULTIANGULAR HIGH RESOLUTION AIRBORNE IMAGERY
Acquisition Sampling DEM/DTM Aerial High resolution Multispectral
2015/5/29
The present investigation describes a method for sampling bidirectional reflectance information from multiangular airborne images.The method uses high resolution surface models in the determination of...
OPTIMIZATION OF DECISION-MAKING FOR SPATIAL SAMPLING IN THE NORTH CHINA PLAIN, BASED ON REMOTE-SENSING A PRIORI KNOWLEDGE
Agricultural Spatial Sampling Remote Sensing a Priori Knowledge Spatial Structure Characteristics RIP(s)/RIV(s) Sampling efficiency
2014/4/29
In this paper, the MODIS remote sensing data, featured with low-cost, high-timely and moderate/low spatial resolutions, in the North China Plain (NCP) as a study region were firstly used to carry out ...
PROCESSING A COMPLEX ARCHITECTURAL SAMPLING WITH MESHLAB: THE CASE OF PIAZZA DELLA SIGNORIA
TOF scanning Data Processing Open Source MeshLab
2014/6/5
The paper presents a recent 3D scanning project performed with long range scanning technology showing how a complex sampled dataset can be processed with the features available in MeshLab, an open sou...
Sampling Methods for Validation of Large Area Land Cover Mapping
stratified random sampling simple random sampling training data error matrix
2009/3/19
Validation is an important step of land cover mapping. To find a better sampling method for validation, stratified random sampling, simple random sampling, and use of training data for validation were...
COMPARISON OF PIXEL- AND OBJECT-BASED SAMPLING STRATEGIES FOR THEMATIC ACCURACY ASSESSMENT
Quality object-based pixel-based confusion matrix samples
2015/11/16
Confusion matrix and derived global indices (kappa, overall accuracy, producer accuracy) are widely accepted as a standard method
for the accuracy assessment of land use/land cover maps. In order to ...