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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...
3D RECONSTRUCTION-REVERSE ENGINEERING – DIGITAL FABRICATION OF THE EGYPTIAN PALERMO STONE USING BY SMARTPHONE AND LIGHT STRUCTURED SCANNER
Cultural Heritage Structured Light Scanning Smartphone 3D modeling 3D sculpting Digital Fabrication
2018/6/4
This paper presents a pipeline that has been developed to acquire a shape with particular features both under the geometric and radiometric aspects. In fact, the challenge was to build a 3D model of t...
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...
TERRESTRIAL LASER SCANNER DATA TO SUPPORT COASTAL EROSION ANALYSIS: THE CONERO CASE STUDY
Coastal erosion Terrestrial Laser Scanner Digital Terrain Model Landform curvature Feature extraction Risk assessment
2014/4/24
In this work a detailed TLS survey was carried out in summer 2012, in the Conero Regional Park (Marche, province of Ancona),
along the “spiaggia San Michele” and “spiaggia Sassi Neri”. These areas p...
Preliminary simulation studies on a cylindrical PEM scanner using GATE
simulation GATE cylindrical PEM evaluation
2009/12/24
In this paper, we investigate the performance of a cylindrical positron emission mammography (PEM) by simulation, in order to estimate its feasibility before implementation. A well-developed simulatio...
Detection of millimetric deformation using a terrestrial laser scanner:experiment and application to a rockfall event
millimetric deformation terrestrial laser scanner rockfall event
2009/12/16
Terrestrial laser scanning (TLS) is one of the most promising surveying techniques for rockslope characterization and monitoring. Landslide and rockfall movements can be detected by means of compariso...
Detection of millimetric deformation using a terrestrial laser scanner:experiment and application to a rockfall event
millimetric deformation terrestrial laser scanner rockfall event
2009/12/8
Terrestrial laser scanning (TLS) is one of the most promising surveying techniques for rockslope characterization and monitoring. Landslide and rockfall movements can be detected by means of compariso...
A Characteristics Measurement of Two-Dimensional Range Scanner and its Application
Range scanner Characteristics measurement Step-On Interface (SOI) Mobile robot
2009/9/25
This paper shows the result of the characteristics measurement of a two-dimensional active range scanner, URG made by Hokuyo Automatic Co., Ltd. which was released in 2004 and is spreading widely as a...