Standard method for microCT-based additive manufacturing quality control 2: Density measurement
MethodsX, 2018 MicroCT is best known for its ability to detect and quantify porosity or defects, and to visualize its 3D distribution. However, it is also possible to obtain accurate volumetric measurements from parts – this can be used in combination with the part ...
Anton du Plessis +6 more
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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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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
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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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Construction and Calibration of a Low-Cost 3D Laser Scanner with 360◦ Field of View for Mobile Robots [PDF]
, 2015 Navigation of many mobile robots relies on environmental information obtained from three-dimensional (3D) laser scanners. This paper presents a new 360◦ field-of-view 3D laser scanner for mobile robots that avoids the high cost of commercial devices. The
Garcia-Cerezo, Alfonso J. +5 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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A Hand-held Laser Scanner based on Multi-camera Stereo-matching [PDF]
, 2012 Most laser scanners in engineering are extended versions of tactile measuring machines. These high precision devices are typically very expensive and hardware modifications are not possible without impairing the precision of the device.
Bender, Christoph +4 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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