Development of a Photogrammetric 3D Measurement System for Small Objects Using Raspberry Pi Cameras as Low-Cost Sensors [PDF]
The digitisation of cultural objects in museums presents two distinct opportunities. Firstly, it allows for the preservation of the objects and collections themselves. Secondly, it enables their accessibility to the general public as 3D models in virtual
T. P. Kersten, F. Timm, K. Zobel
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Parametric Analysis of the Selective Laser Sintering Process [PDF]
Qualitative and quantitative analyses are required to develop Selective Laser Sintering into a viable Manufacturing process. A simplified mathematical model for sintering incorporating the heat tJ;ansfer equation.
Barlow, Joel W. +2 more
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DEVELOPMENT OF A VIRTUAL REALITY APPLICATION FOR A HISTORIC VILLA AND THREE CONSTRUCTION PHASES [PDF]
The use of Virtual Reality (VR) is becoming increasingly important and popular. This technology is widely used in various fields such as industry, construction, architecture, medicine and scientific research.
T. P. Kersten, E. Skripnikova, S. Deggim
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COMPARATIVE GEOMETRICAL ACCURACY INVESTIGATIONS OF HAND-HELD 3D SCANNING SYSTEMS – AN UPDATE [PDF]
Hand-held 3D scanning systems are increasingly available on the market from several system manufacturers. These systems are deployed for 3D recording of objects with different size in diverse applications, such as industrial reverse engineering, and ...
T. P. Kersten +2 more
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THE FOUR-MASTED BARQUE PEKING IN VIRTUAL REALITY AS A NEW FORM OF KNOWLEDGE TRANSFER [PDF]
Virtual Reality (VR) has established itself in recent years in the geosciences through its application in the immersive visualization of spatial data.
T. P. Kersten +3 more
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FEASIBILITY OF MULTISPECTRAL AIRBORNE LASER SCANNING FOR LAND COVER CLASSIFICATION, ROAD MAPPING AND MAP UPDATING [PDF]
This article summarises our first results and experiences on the use of multispectral airborne laser scanner (ALS) data. Optech Titan multispectral ALS data over a large suburban area in Finland were acquired on three different dates in 2015–2016.
L. Matikainen +5 more
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Enhanced controlling of the SLS Process during a build [PDF]
Current commercial Rapid Prototyping (RP) systems like Stereolithography (3D Systems Corporation) and Selective Laser Sintering (DTM Corporation) use galvanometers from General Scanning Inc. (GSI) for the positioning of the laser beam.
Ahzi, Said +3 more
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High-accuracy wavemeter based on a stabilized diode laser [PDF]
We have built a high-accuracy wavelength meter for tunable lasers using a scanning Michelson interferometer and a reference laser of known wavelength. The reference laser is a frequency stabilized diode laser locked to an atomic transition in Rb.
Ajay Wasan +4 more
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INVESTIGATIONS INTO THE QUALITY OF IMAGE-BASED POINT CLOUDS FROM UAV IMAGERY [PDF]
The quality of image-based point clouds generated from images of UAV aerial flights is subject to various influencing factors. In addition to the performance of the sensor used (a digital camera), the image data format (e.g.
H.-J. Przybilla +2 more
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Solidification Morphology Analysis of SLM of Cu Powder [PDF]
The solidification morphology analysis of fine Cu powder melted by a raster scanned energy beam from a focused Nd:YAG laser is presented here. The powder was processed inside of sealed chamber where it was subjected to a high vacuum cycle.
Bourell, David L., Ramos Grez, Jorge A.
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