Laser Deposition Cladding On-Line Inspection Using 3-D Scanner [PDF]
, 2007 Laser deposition directly deposits metal cladding to fabricate and repair components. In order to finish the fabrication or repair, 3-D shape of the deposition needs to be inspected, and thus it can be determined if it has sufficient cladding to ...
Liou, Frank +4 more
core +2 more sources
Standard method for microCT-based additive manufacturing quality control 1: Porosity analysis
MethodsX, 2018 MicroCT is a well-established technique that is used to analyze the interior of objects non-destructively, and it is especially useful for void or porosity analysis.
Anton du Plessis +6 more
doaj +1 more source
Standard method for microCT-based additive manufacturing quality control 3: Surface roughness
MethodsX, 2018 The use of microCT of 10 mm coupon samples produced by AM has the potential to provide useful information of mean density and detailed porosity information of the interior of the samples.
Anton du Plessis +6 more
doaj +1 more source
AN AUTOMATIC PROCEDURE FOR COMBINING DIGITAL IMAGES AND LASER SCANNER DATA [PDF]
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2012 Besides improving both the geometry and the visual quality of the model, the integration of close-range photogrammetry and terrestrial laser scanning techniques directs at filling gaps in laser scanner point clouds to avoid modeling errors ...
W. Moussa, M. Abdel-Wahab, D. Fritsch
doaj +1 more source
Evaluation of Three-Dimensional Photogrammetric Model from Low-Cost Digital Camera Applied in the Cultural Heritage Registry [PDF]
Anuário do Instituto de Geociências, 2020 As tecnologias como o Laser Scanner se destacam no âmbito de registros arquitetônicos. Laser Scanner representa um equipamento extremamente preciso, que possibilita a criação de modelos tridimensionais por meio da coleta de milhares de pontos. Por outro
George Deroco Martins +3 more
doaj +1 more source
Design of a Liquid‐Driven Laser Scanner with Low Voltage Based on Liquid‐Infused Membrane
Advanced Intelligent Systems, 2023 Laser energy is commonly used in tissue ablation, wound suturing, and other precise manipulations during surgery. However, currently available laser scanners require further improvements in terms of miniaturization, driving voltage, and stability to ...
Chunqi Zhang +5 more
doaj +1 more source
Airborne and Terrestrial Laser Scanning Data for the Assessment of Standing and Lying Deadwood: Current Situation and New Perspectives [PDF]
, 2018 LiDAR technology is finding uses in the forest sector, not only for surveys in producing forests but also as a tool to gain a deeper understanding of the importance of the three-dimensional component of forest environments.
Lingua, Emanuele +2 more
core +1 more source
JOINT CALIBRATION OF 3D LASER SCANNER AND DIGITAL CAMERA BASED ON DLT ALGORITHM [PDF]
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2018 Design a calibration target that can be scanned by 3D laser scanner while shot by digital camera, achieving point cloud and photos of a same target. A method to joint calibrate 3D laser scanner and digital camera based on Direct Linear Transformation ...
X. Gao, M. Li, L. Xing, Y. Liu
doaj +1 more source
Towards building information modelling for existing structures [PDF]
, 2008 The transformation of cities from the industrial age (unsustainable) to the knowledge age (sustainable) is essentially a ‘whole life cycle’ process consisting of; planning, development, operation, reuse and renewal.
Arayici, Y
core +2 more sources
Comparing Three Different Ground Based Laser Scanning Methods for Tree Stem Detection
Remote Sensing, 2018 A forest inventory is often carried out using airborne laser data combined with ground measured reference data. Traditionally, the ground reference data have been collected manually with a caliper combined with land surveying equipment.
Ivar Oveland +4 more
doaj +1 more source