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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...
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...
Ionospheric error analysis in gps measurements
Differential GPS error sources ionospheric errors carrier-phase positioning Geometry-Free Linear Combination RTK GPS
2015/9/1
The results of an experiment aimed at evaluating the effects of the ionosphere on GPS positioning applications are presented in this paper. Specifically, the study, based upon a differential approach,...
Application of the relocation-error distribution on geomagnetic databases. Analyses on the «Historical Italian Geomagnetic Data Catalogue
geomagnetism magnetic dating relocation
2015/9/1
The reliability of the Historical Italian Geomagnetic Data Catalogue, comprising 536 directions and 393 intensities, has been assessed by comparing the historical geomagnetic measurements with the GUF...
EXTRACTION OF HORIZONTAL VANISHING LINE USING SHAPES AND STATISTICAL ERROR PROPAGATION
geometrical scene analysis error propagation video processing Hough transformation
2015/8/31
In this paper we address the problem of estimating the horizontal vanishing line, making use of motion statistics derived from a video sequence. The computation requires the satisfying of a number of ...
EXTRACTION OF HORIZONTAL VANISHING LINE USING SHAPES AND STATISTICAL ERROR PROPAGATION
geometrical scene analysis error propagation video processing Hough transformation
2015/8/28
In this paper we address the problem of estimating the horizontal vanishing line, making use of motion statistics derived from a video sequence. The computation requires the satisfying of a number of ...
Investigating the Spatial Structure of Error in Digital Surface Models Derived from Laser Scanning Data
digital surface models surface roughness segmentation
2015/5/26
Laser scanning produces a set of irregularly spaced data points, the values of which indicate the height of the
surface above datum. These data are frequently used for creating digital surface model...
Data Combination from Multiple Sources Under Measurement Error
Intercomparison Measurement Error Reference Material
2014/12/8
Regulatory Agencies are responsible for monitoring the performance of particular measurement communities. In order to achieve their objectives, they sponsor Intercomparison exercises between the membe...