Automated 3D surface scanning based on CAD model

This paper presents a method to automate the process of surface scanning using optical range sensors and based on a priori known information from a CAD model. A volumetric model implemented through a 3D voxel map is generated from the object CAD model and used to define a sensing plan composed of a...

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Bibliographic Details
Published in:Mechatronics (Oxford) 2005-09, Vol.15 (7), p.837-857
Main Authors: Martins, Fernando António Rodrigues, García-Bermejo, Jaime Gómez, Casanova, Eduardo Zalama, Perán González, José. R.
Format: Article
Language:English
Subjects:
Applied sciences
Automatic surface scanning
CAD model
Exact sciences and technology
Industrial metrology. Testing
Mechanical engineering. Machine design
Next best viewpoint
Optical range sensors
Range data
Viewpoint set computation
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Summary:This paper presents a method to automate the process of surface scanning using optical range sensors and based on a priori known information from a CAD model. A volumetric model implemented through a 3D voxel map is generated from the object CAD model and used to define a sensing plan composed of a set of viewpoints and the respective scanning trajectories. Surface coverage with high data quality and scanning costs are the main aspects in sensing plan definition. A surface following scheme is used to define collision free and efficient scanning path trajectories. Results of experimental tests performed on a typical industrial scanning system with 5 dof are shown.
ISSN:0957-4158
1873-4006
DOI:10.1016/j.mechatronics.2005.01.004