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
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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
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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
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Combining optical satellite data and airborne laser scanner data for vegetation classification [PDF]
, 2011 The aim of this study was to investigate to which degree the accuracy of vegetation classification could be improved by combining optical satellite data and airborne laser scanner (ALS) data, compared with using satellite data only.
Nordkvist, Karin, +15 more
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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
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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
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Possible explanations for different surface quality in laser cutting with 1 micron and 10 microns beams [PDF]
, 2012 In laser cutting of thick steel sheets, quality difference is observed between cut surfaces obtained with 1 micron and 10 micron laser beams. This paper investigates physical mechanisms for this interesting and important problem of the wavelength ...
Remy Fabbro +3 more
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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
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Evaluation of a multi-sensor horizontal dual arm coordinate measuring machine for automotive dimensional inspection [PDF]
, 2014 Multi-sensor coordinate measuring machines (CMM) have a potential performance advantage over existing CMM systems by offering the accuracy of a touch trigger probe with the speed of a laser scanner.
Olifent, Alan +12 more
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Data, 2020 In forest inventory, trees are usually measured using handheld instruments; among the most relevant are calipers, inclinometers, ultrasonic devices, and laser range finders.
Christoph Gollob +2 more
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