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EVALUATING THE STRUCTURAL INTEGRITY OF THE SAINT ANTONIO BARREL VAULT IN THE FORTRESS OF ALMEIDA BY COMBINING LASER SCANNER AND LIMIT ANALYSIS
Historical construction Trace Italienne fortress Masonry Laser scanner Structural diagnosis Limit Analysis
2019/3/4
Under the framework of the modern theory of restoration, this paper shows the experimental results obtained during the structural diagnosis of one of the most important master gates inside the militar...
COMPARATIVE ANALYSIS OF 3D POINT CLOUDS GENERATED FROM A FREEWARE AND TERRESTRIAL LASER SCANNER
Laser Scanning Close Range Photogrammetry Point clouds Heritage VSfM
2017/8/10
In the recent past, several heritage structures have faced destruction due to both human-made incidents and natural calamities that have caused a great loss to the human race regarding its cultural ac...
CALIBRATION AND STABILITY ANALYSIS OF THE VLP-16 LASER SCANNER
Velodyne Stability Calibration LiDAR
2016/3/25
We report on a calibration and stability analysis of the Velodyne VLP-16 LiDAR scanner. The sensor is evaluated for long-term stability, geometric calibration and the effect of temperature variations....
EFFECTS ON THE MEASUREMENTS OF THE TERRESTRIAL LASER SCANNER HDS 6000 (LEICA) CAUSED BY DIFFERENT OBJECT MATERIALS
Terrestrial Laser Scanning Data Quality Geometric Analysis Radiometric Analysis Object Surface Buildings
2016/2/29
One of the main aspects of terrestrial laser scanning (TLS) is data quality. In the literature a lot of publications concerning this topic
can be found. Several authors included also different mater...
HEIGHT TEXTURE OF LOW VEGETATION IN AIRBORNE LASER SCANNER DATA AND ITS POTENTIAL FOR DTM CORRECTION
airborne laser scanning vegetation texture DEM/DTM correction
2015/8/13
The influence of low vegetation on laser scanning and its disturbing effect (a systematic positive height shift) during DTM generation
is well recognized. Based on our experience in a previous study...
AUTOMATIC TIE ELEMENTS DETECTION FOR LASER SCANNER STRIP ADJUSTMENT
airborne laser scanning segmentation strip adjustment
2015/8/13
Measurements with airborne laser scanners are performed in strips, usually with multiple length strips and a few cross strips. Due
to i) wrong or inaccurate calibration of the entire measurement syst...
ASSESSMENT OF SENSOR CHARACTERISTICS OF AN AIRBORNE LASER SCANNER USING GEOMETRIC REFERENCE TARGETS
laser scanning accuracy high resolution point clouds sensor specifi cations
2015/8/13
In order to get an experimental insight on the characteristics of a modern airborne laser scanning system, we carry out
a set of experiments using geometrical targets on an air strip and use differen...
INTEGRATED LASER SCANNER AND INTENSITY IMAGE CALIBRATION AND ACCURACY ASSESSMENT
Laser Scanner Panoramic Image Calibration Sensor Modeling Accuracy
2015/8/13
Nowadays, the use of laser scanner devices as an active technique for acquiring 3D information is growing fast. The huge amount of
object points produced with less effort than other 3D acquisition t...
ANALYSIS OF TIN-STRUCTURE PARAMETER SPACES IN AIRBORNE LASER SCANNER DATA FOR 3-D BUILDING MODEL GENERATION
LIDAR Triangulation Cluster Analysis
2015/6/1
The derived building models were evaluated for their correctness and geometric accuracy. Well-defined building roof planes can be
extracted and reconstructed successfully, while disturbances such as...
THE IMPACT OF ANGLE PARAMETERISATION ON TERRESTRIAL LASER SCANNER SELF-CALIBRATION
Calibration Error Laser Scanning LIDAR
2016/2/29
The angular fields of view in which a terrestrial laser scanner captures data differ according to instrument construction. Both the socalled panoramic and hybrid instruments scan through a full horizo...
MOBILE PANORAMIC MAPPING USING CCD-LINE CAMERA AND LASER SCANNER WITH INTEGRATED POSITION AND ORIENTATION SYSTEM
Digital panoramic camera laser scanner
2015/5/27
The fusion of panoramic camera data with laser scanner data is a new approach and allows the combination of high-resolution image
and depth data. Different applications are in the field of city mode...
DESIGNING OF WAVELET-BASED PROCESSING SYSTEM FOR AIRBORNE LASER SCANNER SEGMENTATION
Segmentation Wavelet System Design Airborne Laser Scanner
2015/3/9
Recent years, laser scanner has raised the consideration in mapping of the Earth thanks to its fast acquisition and high accuracy.
However, in order to utilize this kind of data, a tough task is req...