搜索结果: 1-15 共查到“几何大地测量学 geometric”相关记录15条 . 查询时间(0.122 秒)
HYBRID GEOMETRIC CALIBRATION METHOD FOR MULTI-PLATFORM SPACEBORNE SAR IMAGE WITH SPARSE GCPS
SAR image geometric calibration R-D model multi-platform TerraSAR-X TanDEM-X Gaofen-3
2018/5/15
Geometric calibration is able to provide high-accuracy geometric coordinates of spaceborne SAR image through accurate geometric parameters in the Range-Doppler model by ground control points (GCPs). H...
A MATCHING METHOD TO REDUCE THE INFLUENCE OF SAR GEOMETRIC DEFORMATION
SAR image image matching SURF SNCC geometrical deformations
2018/5/14
There are large geometrical deformations in SAR image, including foreshortening, layover, shade，which leads to SAR Image matching with low accuracy. Especially in complex terrain area, the control poi...
3-DIMENSIONAL GEOMETRIC SURVEY AND STRUCTURAL MODELLING OF THE DOME OF PISA CATHEDRAL
Structural analysis Laser scanning Photogrammetry Cultural Heritage Dome
2017/4/5
This paper aims to illustrate the preliminary results of a research project on the dome of Pisa Cathedral (Italy). The final objective of the present research is to achieve a deep understanding of the...
DETECTION OF GEOMETRIC KEYPOINTS AND ITS APPLICATION TO POINT CLOUD COARSE REGISTRATION
Point Cloud Coarse Registration 3D Keypoints Extraction ICP Geometry Description LiDAR
2016/7/27
Acquisition of large scale scenes, frequently, involves the storage of large amount of data, and also, the placement of several scan positions to obtain a complete object. This leads to a situation wi...
ON-ORBIT GEOMETRIC CALIBRATION APPROACH FOR HIGH-RESOLUTION GEOSTATIONARY OPTICAL SATELLITE GaoFen-4
GaoFen-4 high-resolution geostationary optical satellite on-orbit geometric calibration two-dimensional direction angle model geometric accuracy
2016/7/4
The GaoFen-4 (GF-4) remote sensing satellite is China’s first civilian high-resolution geostationary optical satellite, which has been launched at the end of December 2015. To guarantee the geometric ...
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...
AIRBORNE LINEAR ARRAY IMAGE GEOMETRIC RECTIFICATION METHOD BASED ON UNEQUAL SEGMENTATION
Linear array image Geometric rectification Unequal segmentation Dynamic programming Straight line feature
2016/7/4
As the linear array sensor such as multispectral and hyperspectral sensor has great potential in disaster monitoring and geological survey, the quality of the image geometric rectification should be g...
GEOMETRIC QUALITY ASSESSMENT OF LIDAR DATA BASED ON SWATH OVERLAP
Lidar Quality Geometry Relative Accuracy
2016/7/4
This paper provides guidelines on quantifying the relative horizontal and vertical errors observed between conjugate features in the overlapping regions of lidar data. The quantification of these erro...
BUILDING A CONSISTENT GEOMETRIC FRAME OVER SPARSE ISLANDS USING SPOT 5 DATA
Mapping DEM orthoimage Reference3D SPOT geometric accuracy
2016/1/3
Operating in panchromatic mode onboard SPOT 5, the HRS instrument has two telescopes, one pointing forward and one aft of the satellite. HRS is thus able to cover an area of 600 km x 120 km in a singl...
EVALUATION OF THE GEOMETRIC ACCURACY OF TERRASAR-X
validation geometric accuracy synthetic aperture radar basic product
2015/12/30
The TerraSAR-X launched on June 15, 2007 is one of the most state of the art satellite sensors. Its sophisticated feature is in demand for the application for map generation and monitoring purposes. O...
EXPERIMENTAL STUDY OF ARTIFICIAL NEURAL NETWORK FOR GEOMETRIC RECTIFICATION OF SATELLITE IMAGERY
Geometric Rectification BPNN RBFNN CEM GA Whiskbroom Accuracy
2015/12/23
In this paper, series of experimental studies about the neural network model for whiskbroom remote sensing imagery geometry correction methods based on BPNN (Back-Propagation Neural Networks) and RBFN...
APPLICATION ANALYZE OF GEOMETRIC RECTIFICATION BASED ON VECTOR DATA
Precision Error Geometric Rectification Spatial data Vector data
2015/8/10
Geometric rectification aims at eliminating the difference of geometric shape or position between some data and its reference data. In the practical application, geometric rectification used to proces...
GEOMETRIC REGISTRATION AND CLASSIFICATION OF HYPERSPECTRAL AIRBORNE PUSHBROOM DATA
Mathematical models Orientation Hyperspectral Image registration Remote sensing Multispectral Classificationa
2015/2/3
Innovative geometric modeling techniques involving stochastic constraints and linear feature exploitation have been demonstrated to yield good results in the rectification of hyperspectral airborne pu...
WEIGHTED GEOMETRIC OBJECT CONSTRAINTS INTEGRATED IN A LINE-PHOTOGRAMMETRIC BUNDLE ADJUSTMENT
line photogrammetry object reconstruction geometric constraints weighting mathematical model adjustment accuracy architecture
2015/1/6
The line-photogrammetric bundle adjustment is a new approach for the 3D reconstruction of polyhedral objects, with several advantages. Observing lines instead of points and integration of additional o...
GEOMETRIC CORRECTION OF AIRBORNE WHISKBROOM SCANNER IMAGERY USING HYBRID AUXILIARY DATA
Airborne Scanner Geometry Geometric Correction Multispectral Orthoimage Rectification
2014/12/31
This paper proposes the main aspects that must be considered for the development of a general concept for the geometric correction of airborne whiskbroom scanner imagery making use of hybrid auxiliary...