Sub-pixel precise image analysis in the industrial environment

Alexey S. Potapov; Vadim R. Luciv; Igor A. Malyshev

doi:10.1117/12.619700

29 April 2005 Sub-pixel precise image analysis in the industrial environment

Alexey S. Potapov, Vadim R. Luciv, Igor A. Malyshev

Proceedings Volume 5831, Eighth International Workshop on Nondestructive Testing and Computer Simulations in Science and Engineering; (2005) https://doi.org/10.1117/12.619700
Event: Eighth International Workshop on Nondestructive Testing and Computer Simulations in Science and Engineering, 2004, St. Petersburg, Russian Federation

Abstract

We present an approach to automatic sup-pixel precise measurement of the positions and local orientations of the holes and edge peculiarities of complex shapes in a sheet metal. The sub-pixel precision of measurement is reached by means of a model-based image analysis. A correlation based measure is introduced to obtain the measurement results invariant to illumination conditions. The correlation is calculated of the vector models and the brightness gradient field of the image region in which the local object of interest is expected to be found. The vector models are derived from the CAD-descriptions of industrial components. The task is solved in the context of photogrammetric 3D measurements for the quality control in the industrial environment.

Citation Download Citation

Alexey S. Potapov, Vadim R. Luciv, and Igor A. Malyshev "Sub-pixel precise image analysis in the industrial environment", Proc. SPIE 5831, Eighth International Workshop on Nondestructive Testing and Computer Simulations in Science and Engineering, (29 April 2005); https://doi.org/10.1117/12.619700

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