搜索结果: 1-15 共查到“测绘科学技术 georeferencing”相关记录51条 . 查询时间(0.046 秒)
GEOREFERENCING IN GNSS-CHALLENGED ENVIRONMENT: INTEGRATING UWB AND IMU TECHNOLOGIES
Ultra-wide band GNSS-denied positioning UXO mapping
2017/7/12
Acquiring geospatial data in GNSS compromised environments remains a problem in mapping and positioning in general. Urban canyons, heavily vegetated areas, indoor environments represent different leve...
PLEIADES PROJECT:ASSESSMENT OF GEOREFERENCING ACCURACY,IMAGE QUALITY,PANSHARPENING PERFORMENCE AND DSM/DTM QUALITY
Pleiades Georeferencing Accuracy Image Quality Pansharpening DSM/DTM
2016/7/5
Pleiades 1A and 1B are twin optical satellites of Optical and Radar Federated Earth Observation (ORFEO) program jointly running by France and Italy. They are the first satellites of Europe with sub-me...
A SYSTEMATIC COMPARISON OF DIRECT AND IMAGE-BASED GEOREFERENCING IN CHALLENGING URBAN AREAS
Image Sequence Stereo Mobile Mapping Direct Integrated Georeferencing Sensor Orientation
2016/7/5
Image-based mobile mapping systems enable an efficient acquisition of georeferenced image sequences, which can be used for geo-data capture in subsequent steps. In order to provide accurate measuremen...
DIRECT GEOREFERENCING OF UAV DATA BASED ON SIMPLE BUILDING STRUCTURES
image orientation structure from motion tie points building structures
2016/7/5
Unmanned Aerial Vehicle (UAV) data acquisition is more flexible compared with the more complex traditional airborne data acquisition. This advantage puts UAV platforms in a position as an alternative ...
GEOREFERENCING ACCURACY ANALYSIS OF A SINGLE WORLDVIEW-3 IMAGE COLLECTED OVER MILAN
Bias Geolocalization Ground Sample Distance Rational Functions WorldView-3
2016/7/4
The use of rational functions has become a standard for very high-resolution satellite imagery (VHRSI). On the other hand, the overall geolocalization accuracy via direct georeferencing from on board ...
ACCURACY ASSESSMENT OF DIRECT GEOREFERENCING FOR PHOTOGRAMMETRIC APPLICATIONS ON SMALL UNMANNED AERIAL PLATFORMS
Unmanned Aerial Vehicle UAV Direct Georeferencing GNSS Inertial Mapping
2016/3/25
Efficient mapping from unmanned aerial platforms cannot rely on aerial triangulation using known ground control points. The cost and time of setting ground control, added to the need for increased ove...
Precise Georeferencing in the Absence of Ground Control: A Strip Adjustment Approach
Sensor modelling satellite imagery strip adjustment RPCs accuracy evaluation
2016/1/25
The options available for orientation of satellite imagery in cases requiring optimal metric precision are generally rational functions,
where the RPCs are provided by the image supplier, or a rigor...
Georeferencing from GEOEYE-1 Imagery: Early Indications of Metric Performance
GeoEye-1 RPCs geopositioning accuracy evaluation bias compensation satellite imagery
2016/1/25
GeoEye-1 was launched in September 2008, and after some five months of commissioning commenced commercial operations in
February, 2009. With its 0.41m panchromatic and 1.65m multispectral resolution...
Automated DSM based Georeferencing of CARTOSAT-1 Stereo Scenes
Georeferencing Digital elevation models (DEM) Digital photogrammetry Feature extraction Stereo CARTOSAT-1
2016/1/25
High resolution stereo satellite imagery is well suited for the creation of digital surface models (DSM). A system for highly automated
and operational DSM and orthoimage generation based on CARTOSAT...
Comparison of Orthorectification Methods Suitable for Rapid Mapping Using Direct Georeferencing and RPC for Optical Satellite Data
Registration Orthorectification Orthoimage Direct Georeferencing Rational Polynomial Function Experience
2015/12/18
One of the first essential steps in response to a crisis event is to provide current, precise, and rapid information about the extent of the event, the affected population and infrastructure (e.g., in...
Comparative Analysis of Georeferencing Procedures Using Various Sources of Control Data
Digital Camera Georeferencing Orthoimage Generation Object Reconstruction
2015/12/17
The increasing efficiency and affordability of modern spatial acquisition systems, such as LiDAR, have provided reliable alternative sources of control data for image georeferencing. Indirect georefer...
Georeferencing Multi-Temporal and Multi-Scale Imagery in Photogrammetry
Georeference multi-image bundle block adjustment
2015/12/16
In recent decades, photogrammetrists have been exploring the georeferencing approaches that can improve consistency, completeness,
and reliability of referenced spatial information. In this paper, an...
GEOREFERENCING ON SYNTHETIC APERTURE RADAR IMAGERY
The geometrical imaging image information image the shadow
2016/1/15
Due to the SAR1 geometry imaging, SAR images include geometric distortions that would be erroneous image information and the images should be geometrically calibrated. As the radar systems are side lo...
Precise Georeferencing of CARTOSAT Imagery via Different Orientation Models
CARTOSAT high-resolution satellite orientation comparison
2015/11/24
The CARTOSAT 1 satellite, launched by the Indian Space Research Organisation (ISRO) in 2005, can provide panchromatic alongtrack stereo imagery with a ground resolution of 2.5 m.
UAV-Based Augmented Monitoring - Real-Time Georeferencing and Integration of Video Imagery with Virtual Globes
Mobile mapping system Sensor orientation GPS-assisted photogrammetry
2015/11/24
Over the last few years low-cost micro and mini UAV systems equipped with light-weight geosensors such as video cameras have started to appear on the market. These UAV systems are mostly instrumented ...