Automatically planning the inspection of three-dimensional objects using stereo computer vision

A. David Marshall; D. R. Roberts

doi:10.1117/12.230369

19 January 1996 Automatically planning the inspection of three-dimensional objects using stereo computer vision

A. David Marshall, D. R. Roberts

Proceedings Volume 2599, Three-Dimensional and Unconventional Imaging for Industrial Inspection and Metrology; (1996) https://doi.org/10.1117/12.230369
Event: Photonics East '95, 1995, Philadelphia, PA, United States

Abstract

This paper addresses the problems associated with the inspection of geometric features of machined objects using three-dimensional data provided from an active stereo vision system. The inspection strategies we are concerned with are mainly concerned with verifying geometric tolerances to typical engineering requirements, in other words, verifying the presence and the dimensions of features and measuring feature relationships. This paper discusses how three-dimensional data may be processed to produce relevant features, information and how these may be interrogated to perform inspection automatically using the described vision system. A key issue here is how best to acquire the data in the form of a series of images on which the inspection is performed. The main purpose of this paper is therefore to address problems of choosing appropriate inspection strategies so that an object can be accurately inspected using the minimum possible number of views. This is achieved by reasoning with geometric models in order that the inspection methods can be planned effectively. Consideration of the vision system configuration and the accessibility of viewpoints on the object provide other factors that need to be considered in the reasoning process.

Citation Download Citation

A. David Marshall and D. R. Roberts "Automatically planning the inspection of three-dimensional objects using stereo computer vision", Proc. SPIE 2599, Three-Dimensional and Unconventional Imaging for Industrial Inspection and Metrology, (19 January 1996); https://doi.org/10.1117/12.230369

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