Pixel synchronous measurement of object shape and colour

Jens Siepmann; Matthias Heinze; Peter Kühmstedt; Gunther Notni

doi:10.1117/12.827053

10 September 2009 Pixel synchronous measurement of object shape and colour

Jens Siepmann, Matthias Heinze, Peter Kühmstedt, Gunther Notni

Proceedings Volume 7432, Optical Inspection and Metrology for Non-Optics Industries; 74320Y (2009) https://doi.org/10.1117/12.827053
Event: SPIE Optical Engineering + Applications, 2009, San Diego, California, United States

Abstract

In this paper we present an extension to high resolution multi-view fringe projection systems, as introduced in [1], in order to add pixel synchronous colour information to 3D point clouds. Our approach allows the use of a separate colour camera without the drawback of having to rely on complex image-tosurface mapping algorithms. The advantage of the new method is that no loss of spatial measurement information occurs. Additionally, colour measurement is not limited like in previous coloured structured lighting approaches. Furthermore this paper covers the task of seamless fusion of coloured multi-view 3D point clouds. Due to differences in lighting and viewing direction in each single object view a simple data fusion causes visual artefacts and seams in the final object illustration. Several approaches to this problem have been applied and evaluated. This includes point-bypoint lighting and viewing angle normalization via physics-based reflection models and measurement geometry aided image processing algorithms. The result of these considerations is an automatic system to create the point cloud of a 360-degree object view with each measuring point containing range and colour information.

Citation Download Citation

Jens Siepmann, Matthias Heinze, Peter Kühmstedt, and Gunther Notni "Pixel synchronous measurement of object shape and colour", Proc. SPIE 7432, Optical Inspection and Metrology for Non-Optics Industries, 74320Y (10 September 2009); https://doi.org/10.1117/12.827053

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available