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FISHEYE MULTI-CAMERA SYSTEM CALIBRATION FOR SURVEYING NARROW AND COMPLEX ARCHITECTURES
Fisheye Photogrammetry Multi-camera Calibration Accuracy Cultural Heritage Survey Narrow Spaces
2018/6/4
Narrow spaces and passages are not a rare encounter in cultural heritage, the shape and extension of those areas place a serious challenge on any techniques one may choose to survey their 3D geometry....
DEVELOPMENT OF A NEW LOW-COST INDOOR MAPPING SYSTEM – SYSTEM DESIGN, SYSTEM CALIBRATION AND FIRST RESULTS
3D camera calibration modelling sparse point cloud panorama reconstruction
2016/11/11
For mapping of building interiors various 2D and 3D indoor surveying systems are available today. These systems essentially differ from each other by price and accuracy as well as by the effort requir...
A NEW AUTOMATIC SYSTEM CALIBRATION OF MULTI-CAMERAS AND LIDAR SENSORS
System Calibration LIDAR Multi-Camera Point Cloud
2016/7/5
In the last few years, multi-cameras and LIDAR systems draw the attention of the mapping community. They have been deployed on different mobile mapping platforms. The different uses of these platforms...
COMPARATIVE ANALYSIS OF DIFFERENT LIDAR SYSTEM CALIBRATION TECHNIQUES
Aerial LiDAR quality control quality assurance systematic errors standard operating procedures
2016/7/4
With light detection and ranging (LiDAR) now being a crucial tool for engineering products and on the fly spatial analysis, it is necessary for the user community to have standardized calibration meth...
System calibration, geometric accuracy testing and validation of DEM & orthoimage data extracted from SPOT stereo pairs using commercially available image processing systems
System calibration geometric accuracy testing DEM orthoimage data extracted SPOT stereo pairs
2016/5/20
The paper describes the comprehensive testing of the digital photogrammetric modules forming parts of the image processing systems available from a number of remote sensing system suppliers - PCI, ERD...
Integration of Terrestrial and Airborne LIDAR Data for System Calibration
LiDAR Calibration Quality Assurance System Biases Areal Features Surface Matching
2015/11/20
The ever improving capabilities of the direct geo-referencing technology is having a positive impact on the widespread adoption of LiDAR systems for the acquisition of dense and accurate surface model...
A Study for Efficient Methods of System Calibration between Optical and Range Sensors
System Calibration Range Sensor Optical Sensor Test-bed 3D data fusion
2015/7/27
Recently, interests in 3D indoor modeling and positioning have been growing. Data fusion by using different sensors data is one of the 3D model producing methods. For a data fusion between two kinds o...
EXPERIMENTAL TESTS ON THE BENEFITS OF A MORE RIGOROUS MODEL IN IMU/GPS SYSTEM CALIBRATION
Orientation System Calibration GPS/INS Integration Adjustment
2015/5/29
System calibration is required in integrated IMU/GPS systems to account for the spatial offset and misalignment between IMU, GPS and camera frames; synchronization is to be maintained, to predict IMU/...
THE EFFECT OF SYSTEM CALIBRATION ON DIRECT SENSOR ORIENTATION
Photogrammetry GPS IMU Direct Sensor Orientation
2015/5/29
The determination of image orientation parameters of any sensor during data acquisition became possible by combined use of an inertial measurement system (IMU) and GPS. In this integrated system, GPS ...
INVESTIGATIONS ON SYSTEM CALIBRATION OF GPS/IMU AND CAMERA FOR DIRECT GEOREFERENCING
Aerial Triangulation Calibration
2015/3/24
An inevitable task before direct georeferencing can be performed is the calibration of the GPS/IMU system and the imaging sensor.
The permanent calibration fields for large- and medium-scale (1:3 30...
Within the last years extensive tests were done to investigate the accuracy performance of integrated GPS/inertial systems for direct
georeferencing in airborne photogrammetric environments. Based o...