搜索结果: 1-15 共查到“测绘科学技术 Uncertainty”相关记录50条 . 查询时间(0.25 秒)
IDENTIFICATION OF LOW ACCURACY REGIONS IN LAND COVER MAPS USING UNCERTAINTY MEASURES AND CLASSIFICATION CONFIDENCE
Multispectral images Classification Uncertainty Confidence Accuracy Spatial variation
2018/11/9
The aim of this article is to assess if the data provided by soft classifiers and uncertainty measures can be used to identify regions with different levels of accuracy in a classified image. To this ...
UNCERTAINTY IN LANDSLIDES VOLUME ESTIMATION USING DEMs GENERATED BY AIRBORNE LASER SCANNER AND PHOTOGRAMMETRY DATA
ALS Digital Elevation Model DoD Volume estimation landslide airborne sensor
2018/4/18
The purpose of this paper is to identify an approach able to estimate the uncertainty related to the measure of terrain volume generated after a landslide. The survey of the area interested of landsli...
UNCERTAINTY IN LANDSLIDES VOLUME ESTIMATION USING DEMs GENERATED BY AIRBORNE LASER SCANNER AND PHOTOGRAMMETRY DATA
ALS Digital Elevation Model DoD Volume estimation landslide airborne sensor
2018/5/8
The purpose of this paper is to identify an approach able to estimate the uncertainty related to the measure of terrain volume generated after a landslide. The survey of the area interested of landsli...
UNCERTAINTY ASSESSMENT AND WEIGHT MAP GENERATION FOR EFFICIENT FUSION OF TANDEM-X AND CARTOSAT-1 DEMS
Accuracy assessment Data fusion Predicted weight map Artificial Neural Network TanDEM-X DEM Cartosat-1 DEM
2017/7/13
Recently, with InSAR data provided by the German TanDEM-X mission, a new global, high-resolution Digital Elevation Model (DEM) has been produced by the German Aerospace Center (DLR) with unprecedented...
UNCERTAINTY ASSESSMENT OF GLOBELAND30 LAND COVER DATA SET OVER CENTRAL ASIA
GlobeLand30 land cover remote sensing accuracy Central Asia
2016/12/1
GlobeLand30, the world’s first 30m-resolution global land cover data set, has recently been issued for research on global change at a fine resolution. Given the accuracy of GlobeLand30 data may show s...
UNCERTAINTY PROPAGATION FOR TERRESTRIAL MOBILE LASER SCANNER
Mobile mapping Laser scanner Uncertainty propagation Error ellipsoid
2016/7/27
Laser scanners are used more and more in mobile mapping systems. They provide 3D point clouds that are used for object reconstruction and registration of the system. For both of those applications, un...
STUDY ON MODELING AND VISUALIZING THE POSITIONAL UNCERTAINTY OF REMOTE SENSING IMAGE
uncertainty remote sensing geometric correction
2016/7/8
It is inevitable to bring about uncertainty during the process of data acquisition. The traditional method to evaluate the geometric positioning accuracy is usually by the statistical method and repre...
Segmentation of remotely sensed images based on the uncertainty of multispectral classification
Segmentation remotely sensed images uncertainty multispectral classification
2016/5/20
Since the launch of high-resolution sensors, the use of satellite images as a major source of spatial information has been the subject of extensive research in a broad range of applications. In partic...
Data uncertainty in a hybrid GIS
Data Uncertainty Data Quality Hybrid GIS Raster-Vector-Conversion Polygon Overlay
2016/5/20
The paper presents a new approach for integrating data uncertainty into a hybrid GIS environment. Such a hybrid system can process raster data as well as vector data in an integrated manner taking unc...
RESEARCH ON THE VISUALIZATION SYSTEM AND APPLICATIONS OF UNCERTAINTY IN REMOTE SENSING DATA CLASSIFICATION
Remote Sensing Uncertainty Visualization IDL Multi-Classifier System
2015/12/23
Thematic mapping is one of the major application fields of remote sensing techniques. Data quality of the thematic data was concerned about. At present, there are a lot of researches that focus on the...
HYPERSPECTRAL IMAGES FOR UNCERTAINTY INFORMATION INTERPRETATION BASED ON FUZZY CLUSTERING AND NEURAL NETWORK
Uncertainty Information Fuzzy Clustering Feature Recognition Hyperspectral Understanding Neural Network
2015/12/23
Effective and understanding exploration of hyperspectral remote sensing data necessitates the development of sophisticated schemes that represent images. Such schemes ideally preserve and recognize si...
Managing Uncertainty in the Detection of Changes from Terrestrial Laser Scanning Data
Terrestrial laser scanning Change detection Point clouds
2015/12/16
We present in this paper an algorithm for the detection of changes based on terrestrial laser scanning data. Detection of changes has
been a subject for research for many years, seeing applications s...
Spatial Data Uncertainty Management
Knowledge Classification Knowledge Management Contextual Modelling
2015/12/11
The paper deals with the relations between knowledge management, uncertainty and the context evaluation on the background of the new possibilities of information technologies that can help us to carry...
Animated Representation of Uncertainty and Fuzziness in Dutch Spatial Planning Maps
Animation Uncertainty Fuzziness Graphic variables Dynamic visualization variables
2015/12/3
This paper concentrates on developing methods to effectively visualize uncertainty and fuzziness in animated representations by various combinations of graphic and dynamic visualization variables, and...
Simulation and Model Validation of Positional Uncertainty of Line Feature on Manual Digitizing a Map
Simulation Digital Distributed Model Quality Error Accuracy
2015/12/3
The line feature is divided into two endpoints and line entity in this paper. The error model of independent point has been studied thoroughly, but study on positional uncertainty of endpoint based on...