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Optimal Instrumental Variables Estimation for ARMA Models
ARMA conditional heteroskedasticity instrumental variables
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2015/9/22
In this paper a new class of Instrumental Variables estimators for linear processes
and in particular ARMA models is developed. Previously, IV estimators based on lagged
observations as instruments ...
radiometric normalization of a time series of spot 4 and spot 5 images (bd isle-reunion) for application in agriculture
radiometric calibration SPOT time series atmospheric correction
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2015/9/1
Series of satellite images acquired with high spatial and temporal resolutions provide a potentially ideal source&...
Analysis of dtm production from spot-5 hrs-stereo data and the influence of atmospheric effects
Analysis production influence atmospheric effects
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2015/9/1
The factors upon which the radiometric quality of satellite imagery depends are related on one side to the characteristics of the sensor system and on the other side the sun -sensor-surface geometries...
automated sensor block adjustmentand local orbit/flightpath positionning benefits, and perspectives for mapping applications
Rigorous Sensor Model Block Adjustment DORIS GPS
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2015/9/1
automated sensor block adjustmentand local orbit/flightpath positionning benefits,and perspectives for mapping applications.
evaluation of the potential of pleaides system for 3d city models production : building, vegetation and dtm extraction
PLEIADES geometric modelling surface reconstruction digital surface models
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2015/9/1
ThePleiades system developed by theFrench space agency CNESshall be ready for launch in early 2009. It deals with a new generation of high resolution optical satellites. The great agility of Pleiades ...
a new procedure to compare ndvi images derived from modis and landsat 7 etm+ data
Comparison Integration Registration Landsat Resolution Thematic
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2015/9/1
To evaluate accuracy of low resolution vegetation mapping for hydrological purposes, a comparative study of NDVI images derived from MODIS and Landsat 7 ETM+ data has been done. Main goal is to unders...
Urban 3D modelling using terrestrial laserscanners
Urban Three-dimensional Laser scanning Registration
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2015/8/24
This paper describes a technique for 3D Reconstruction of large outdoor areas using terrestrial laser scanning. It presents the paradigm for automated 3D registration and requirements of the positioni...
ORDERING CRITERIA AND INFORMATION FUSION IN 3D LASER SURVEYING OF SMALL URBAN SPACES
Laser Scanner Surveying Architecture Data Processing Virtual Reality
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2015/8/7
The introduction of laser-based photogrammetry in the surveying of Cultural Heritage provides an increasing volume of data, which
requires multi-resolution approaches for analyzing and displaying th...
查明滑坡的运动特征及其影响因素，探讨滑坡的运动规律与内在机制，为区域防灾减灾工作提供理论借鉴。［方法］ 以泾阳南塬黄土滑坡为例，通过现场调查及槽探查明了滑坡的运动特征，采用统计学方法分析了滑坡的运动规律，在此基础上，探讨引起滑坡运动特征分异的“液化效应”。［结果］ 按照运动特征将泾阳南塬黄土滑坡划分为流滑型和滑动型两类，流滑型滑坡的滑距一般为坡高的4倍，滑动型滑坡的滑距约为坡高的2倍。1.50×1...
目前空间碎片精密跟踪数据可以通过光学测角和激光测距两种手段获取。文中旨在通过大量的仿真实验来分析上述两种手段获取的数据对碎片定轨及预报性能的影响,以期根据各自的特点更好地利用稀缺的数据资源。首先利用了2015年1月Starlette和Larets卫星CPF精密预报轨道作为参考轨道,仿真生成基于国内区域内4个观测站精度1″的测角数据和精度1 m的测距数据,然后,利用仿真数据生成单站和双站算例并进行定...
SIGNIFICANCE OF DIGITAL RECONSTRUCTION OF HISTORIC BUILDINGS USING 3D LASER SCANNER CASE STUDY: PRASAT SUOR PRAT N1 TOWER, ANGKOR, CAMBODIA
Digital archives Laser scanner Cultural heritage Historic buildings World heritage
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2015/5/25
A scanning device generally referred to as a "laser scanner", used to obtain 3D data of the objects by irradiating laser beams, is enjoying a steady rise in the number of users in the field of cultura...
RECONSTRUCTION WITH LASER SCANNING AND 3D VISUALIZATION OF ROMAN MONUMENTS AND REMAINS IN TYRE, LEBANON
Laser Scanning Cultural heritage Reconstruction Visualization CG animation
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2015/5/25
3D scanning using laser scanners has been recognized as one of the most efficient and accurate way to record and reconstruct digitally large-scale cultural heritages. The authors report on 3D scanning...
INFORMATION LACK LOCALIZATION IN ARCHITECTURAL LASER SCANNING SURVEYS: THE VENICE TEST SITE
Laser scanner point cloud Nurbs mesh
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2015/5/25
The laser scanning survey is one of the most updated and growing technique to acquire digital data for the architectural archives,including the cultural heritage applications and the archeological sit...
GEOMETRIC SURVEY FOR THE STRUCTURAL ASSESSMENT OF THE ARCHITECTURAL HERITAGE: THE CASE OF THE CUPOLA OF THE BAPTISTERY OF S. GIOVANNI E REPARATA IN LUCCA
Laser scanner Photogrammetry Ancient Masonry Structural Assessment
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2015/5/25
The present work reports an experimental combined application of laser and photogrammetry techniques. The current research aims to the testing of both innovative (scanning instruments) and classical s...
EFFICIENT NOISE REDUCTION OF LASER SCANNING DATA FOR ARCHAEOLOGICAL SURVEY
Archaeology Topography Laser scanning DEM Automatic
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2015/5/25
Recently, a ground based laser scanning sensor is receiving more attention as an useful tool for real-time acquisition of 3D data, and its applications are proposed in various fields. For example, a t...