搜索结果: 1-15 共查到“测绘科学技术 least-squares”相关记录17条 . 查询时间(0.046 秒)
Range Image Sequence Analysis by 2.5-D Least-Squares-Tracking with Variance Component Estimation and Robust Variance Covariance Matrix Estimation
Range Imaging Least Squares Tracking Variance Component Estimation
2015/12/17
In this article, a range image sequence tracking approach is proposed, which combines 3-D camera intensity and range observations
in an integrated geometric transformation model. Based on 2-D least s...
ACCURACY IMPROVEMENT BY THE LEAST SQUARES IMAGE MATCHING EVALUATED ON THE CARTOSAT-1
DEM Accuracy Improvement LSM Parallel Projection Geometry
2016/1/15
Generating accurate elevation data from satellite images is a prerequisite step for applications that involve disaster forecasting and management using GIS platforms. In this respect, the high resolut...
Surface Reconstruction via Total Least-Squares Adjustment of the Semi-Variogram
Surface reconstruction Kriging Semi-variogram TLS
2015/12/8
One well established technique to construct a surface that best fits to an observed scattered point cloud is based on the Kriging methodology that uses semi-variograms. It somewhat resembles least-squ...
Performing Space Resection Using Total Least Squares
total least squares space resection exterior orientation elements least squares
2015/12/8
In space resection computing，the error equations are based on the collinearity equations. Because the coordinates of the ground point and the image point all exist errors. So we use the Total Least Sq...
A Multi-Photo Least Squares Matching Algorithm for Urban Area DEM Refinement Using Breaklines
DEM least squares adjustment least squares matching breaklines occlusion
2015/12/4
High quality digital elevation models (DEMs) are required for a large number of urban applications such as; telecommunication, urban development, and city planning and management. Sudden changes in su...
Partial Least Squares Regression Based Cellular Automata Model for Simulating Complex Urban Systems
Partial Least Squares Regression Cellular Automata GIS Urban Simulation
2015/12/1
A Cellular Automata model based on Partial Least Squares Approaches is proposed for simulating complex urban systems. The core part of Geo-CA model is the transition rules and a mass of independent sp...
GENERALIZED LEAST SQUARES MULTIPLE 3D SURFACE MATCHING
Surface matching co-registration multiple surfaces 3D surface pointcloud georeferencing
2015/11/10
A method for the simultaneous co-registration and georeferencing of multiple 3D pointclouds and associated intensity information is proposed. It is a generalization of the 3D surface matching problem....
Difference in Difference Meets Generalized Least Squares: Higher Order Properties of Hypotheses Tests
panel data treatment eff ect GLS
2015/9/22
We investigate estimation and inference in difference in difference econometric models
used in the analysis of treatment effects. When the innovations in such models display serial
...
EFFECTS OF UNSUPERVISED FULLY CONSTRAINED LEAST SQUARES LINEAR SPECTRAL MIXTURE ANALYSIS METHOD ON AUTOMATIC CLASSIFICATION OF TM IMAGE
classification of remote sensing image linear spectral mixture mode
2015/7/30
Statistical analysis is a widely used traditional technique for classification and discrimination in remotely sensed images, which
supposes that there is only one endmember in an image pixel. Howeve...
LEAST-SQUARES MATCHING USING ELLIPTICAL AREAS: RESULTS, ACCURACY, ADVANTAGES AND DISADVANTAGES
DTM/DEM quality reliability
2015/6/1
The use of a square template in least squares image matching has been established as a well known and tested method. This paper
suggests the use of an elliptical template as alternative to the squar...
A Method to Predict Accuracy of Matching in Least Squares Surface Matching
estimation fusion registration algorithms laser scanning accuracy matching
2015/5/26
The registration of data sets in the same coordinate system is an essential task in the fusion of data obtained from similar
or different sources. The determination of the registration accuracy by co...
LEAST SQUARES MATCHING TRACKING ALGORITHM FOR HUMAN BODY MODELING
Object Tracking Image Sequences CCD Modeling Animation Least Squares Matching
2015/1/6
In this paper we present a method to extract 3-D information of the shape and movement of the human body using video sequences acquired with three CCD cameras. This work is part of a project aimed at ...
GENERAL MATHEMATICAL MODEL OF LEAST SQUARES 3D SURFACE MATCHING AND ITS APPLICATION OF STRIP ADJUSTMENT
3D surface matching 3D similarity transformation strip adjustment laser altimetry
2014/4/28
Systematic errors in point clouds acquired by airborne laser scanners, photogrammetric methods or other 3D measurement techniques need to be estimated and removed by adjustment procedures. The propose...
ACCURACY ANALYSIS OF HRSI-BASED GEOPOSITIONING USING LEAST SQUARES COLLOCATION
Geopositioning QuickBird Imagery Rational Function Model Stochastic Model Variance Components Estimation Least Squares Collocation
2014/4/25
Rational function model with bias compensation has been widely used in geopositioning of High Resolution Satellite Imagery (HRSI). We studied the geopositioning issue using a pair of QuickBird imagery...
PERFORMING IMPROVED TWO-STEP CAMERA CALIBRATION WITH WEIGHTED TOTAL LEAST-SQUARES
camera calibration two-step method lens distortion Errors-In-Variables
2014/4/29
In order to improve the Tsai’s two-step camera calibration method, we present a camera model which accounts for major sources of
lens distortion, namely: radial, decentering, and thin prism distorti...