搜索结果: 1-15 共查到“测绘科学技术 Error”相关记录38条 . 查询时间(0.093 秒)
ERROR ANALYSIS AND VALIDATION FOR INSAR HEIGHT MEASUREMENT INDUCED BY SLANT RANGE
InSAR DEM Slant Range Error Simulation Validation SRTM TanDEM-X
2018/5/16
InSAR technique is an important method for large area DEM extraction. Several factors have significant influence on the accuracy of height measurement. In this research, the effect of slant range meas...
LANE LEVEL LOCALIZATION; USING IMAGES AND HD MAPS TO MITIGATE THE LATERAL ERROR
Lane Level Localization Road Boundaries Map Matching Lane Matching
2017/7/12
In urban canyon where the GNSS signals are blocked by buildings, the accuracy of measured position significantly deteriorates. GIS databases have been frequently utilized to improve the accuracy of me...
AN EMPRICAL POINT ERROR MODEL FOR TLS DERIVED POINT CLOUDS
TLS reflectance incidence angle range error ellipsoid anisotropic error model
2016/11/11
The random error pattern of point clouds has significant effect on the quality of final 3D model. The magnitude and distribution of random errors should be modelled numerically. This work aims at deve...
HYBRID MODELS FOR TRAJECTORY ERROR MODELLING IN URBAN ENVIRONMENTS
Mobile mapping Photogrammetry Feature matching Orientation Adjustment Modelling Registration
2016/7/28
This paper tackles the first step of any strategy aiming to improve the trajectory of terrestrial mobile mapping systems in urban environments. We present an approach to model the error of terrestrial...
LOW FREQUENCY ERROR ANALYSIS AND CALIBRATION FOR HIGH-RESOLUTION OPTICAL SATELLITE’S UNCONTROLLED GEOMETRIC POSITIONING
high-resolution optical satellite low frequency error star sensor uncontrolled geometric positioning
2016/7/4
The low frequency error is a key factor which has affected uncontrolled geometry processing accuracy of the high-resolution optical image. To guarantee the geometric quality of imagery, this paper pre...
NEW METHODOLOGY OF REPRESENTING THE POSITIONAL ERROR OF NONPOINT FEATURES IN GIS
Positional error Non-point feature Indicators Shape similarity
2016/1/3
Traditionally, RMSE is used to represent the positional error of GIS features including point, linear and area features. Although RMSE can reflect the error of point features effectively and accuratel...
Analysis of the Kalman Filter with Different INS Error Models for GPS/INS Integration in Aerial Remote Sensing Applications
Direct Georeferencing Aerial Triangulation GPS/INS Integration
2015/12/17
In the Kalman filter used for the integration of GPS/INS, the inertial sensor error model is usually considered as a random constant or
random walk for both gyroscopes and accelerometers. However, th...
Reducing the Error in Terrestrial Laser Scanning by Optimizing the Measurement Set-Up
Laser scanning point cloud error
2015/12/16
High spatial resolution and fast capturing possibilities make 3D terrestrial laser scanners widely used in engineering applications and
cultural heritage recording. Phase based laser scanners can mea...
Qualification of Close Range Photogrammetry Cameras by Average Image Coordinates RMS Error VS. Object Distance Function
Close Range Accuracy analysis Non-metric camera
2015/12/14
In this publication, the concept of image coordinate RMS error derived from average object side RMS is introduced. In the course of
derivation, data on network geometry and redundancy were taken into...
Universal Error Propagation Law
Accuracy Analysis Modelling Spatial Information Science Statistics
2015/12/3
As an ubiquitous statistical theory, Gaussian Distribution (GD) or Gaussian Error Propagation Law (GEPL) has been widely used for modelling random errors in many engineering and application fields sin...
A Three-dimensional Error Model of DEM Based on the Reconstruct Contours
DEM contour line precision analysis three-dimensional model error mean square error
2015/12/3
In this paper, a three-dimensional error model of grid digital elevation model (DEM) is proposed based on the reconstructed contours. Though analyzing the construction of three-dimensional error model...
Error Propagation Modeling in GIS Overlay
Error Propagation Overlay Analysis Vector Data GIS Sliver
2015/12/3
A spatial error may refer to the difference between a measured value and the “true” value or the estimated uncertainty with respect to a given observation or set of observations which is the error con...
Error Propagation in the Production of DEM-DOM-DLG by Digital Photogrammetry
Error Propagation Digital Photogrammetry Sequential Gaussian Simulation
2015/12/3
This paper adopts the stochastic simulation method that pertains to geostatistics, on the basis of simulated DEM realizations with spatial autocorrelation errors, to explore the error propagation mech...
The Error Analysis and Correction Method Research of the Attitude Data for the UAV Remote Sensing Images
GPS/INS Navigation Photogrammetry Calibration Error IMU
2015/11/24
As an important way to obtain the high-resolution remote sensing images, the unmanned aerial vehicle (UAV) aviation remote sensing plays a more and more important role in the area of photogrammetry an...
Calibration of Constant Angular Error for CBERS-2 Imagery with Few Ground Control Points
Spaceborne remote sensing High-resolution image Space photogrammetry
2015/11/23
The rigorous geometric model which depends on physical properties of the image acquisition is the basic model for object positioning of high resolution satellite imagery (HRSI). Using the linear and a...