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Automated assessment of object coverage in smart, optical form measurement

Catalucci, Sofia; Senin, Nicola; Stavroulakis, Petros; Leach, Richard

Authors

Sofia Catalucci

Nicola Senin

Petros Stavroulakis



Abstract

As part of a project to develop a smart 3D form measurement system for quality control of complex 3D parts, we present early work in algorithmic assessment of coverage achieved on the surfaces of a part subjected to optical measurement from a single pose. The method performs an automated detection of pose by finding the best-matching position of the measured point cloud to a reference CAD model. The point cloud is then partitioned by associating measured points to individual CAD surfaces and coverage quality indicators, such as sampling density and covered area, are computed for each surface. The method is developed as part of a smart measurement solution that will provide real-time feedback to the measurement system on the success of the measurement acquisition and autonomously adapt the measurement strategy for complex 3D geometries in real-time to achieve an optimised measurement result. As proof of concept, a prototype implementation is presented that involves the combination of commercial measurement hardware and 3D modelling software components. Form metrology, smart optical systems, adaptive measurement, geometric alignment of point clouds and CAD geometry, geometric sampling and coverage.

Citation

Catalucci, S., Senin, N., Stavroulakis, P., & Leach, R. (2019). Automated assessment of object coverage in smart, optical form measurement. In Proceedings of 19th International euspen Conference & Exhibition

Conference Name 19th International euspen Conference & Exhibition
Start Date Jun 3, 2019
End Date Jun 7, 2019
Acceptance Date Mar 7, 2019
Online Publication Date Jun 6, 2019
Publication Date Jun 6, 2019
Deposit Date Jun 26, 2019
Publicly Available Date Mar 29, 2024
Book Title Proceedings of 19th International euspen Conference & Exhibition
Public URL https://nottingham-repository.worktribe.com/output/2230041

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