Composite correlation filter for O-ring detection in stationary colored noise

Laurence G. Hassebrook

doi:10.1117/12.819437

13 April 2009 Composite correlation filter for O-ring detection in stationary colored noise

Laurence G. Hassebrook

Proceedings Volume 7340, Optical Pattern Recognition XX; 734007 (2009) https://doi.org/10.1117/12.819437
Event: SPIE Defense, Security, and Sensing, 2009, Orlando, Florida, United States

Abstract

O-rings are regularly replaced in aircraft and if they are not replaced or if they are installed improperly, they can result in catastrophic failure of the aircraft. It is critical that the o-rings be packaged correctly to avoid mistakes made by technicians during routine maintenance. For this reason, fines may be imposed on the o-ring manufacturer if the o-rings are packaged incorrectly. That is, a single o-ring must be packaged and labeled properly. No o-rings or more than one o-ring per package is not acceptable. We present an industrial inspection system based on real-time composite correlation filtering that has successfully solved this problem in spite of opaque paper o-ring packages. We present the system design including the composite filter design.

Citation Download Citation

Laurence G. Hassebrook "Composite correlation filter for O-ring detection in stationary colored noise", Proc. SPIE 7340, Optical Pattern Recognition XX, 734007 (13 April 2009); https://doi.org/10.1117/12.819437

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