Relative stereo image processing and its application to visual inspection of assembled PCBs

Daisuke Shima; Seiji Hata; Kan'ichi Kaida; Noboru Higashi

doi:10.1117/12.517469

30 September 2003 Relative stereo image processing and its application to visual inspection of assembled PCBs

Daisuke Shima, Seiji Hata, Kan'ichi Kaida, Noboru Higashi

Proceedings Volume 5264, Optomechatronic Systems IV; (2003) https://doi.org/10.1117/12.517469
Event: Photonics Technologies for Robotics, Automation, and Manufacturing, 2003, Providence, RI, United States

Abstract

3-D measurement of electronic components has been required to inspect the assembled PCB, visually. In many cases, the methods such as structure light methods were introduced into the practical inspection lines. The visual inspection systems with structure method are usually expensive and functionally limited. To solve the problem, a relative stereo method has been developed to the PCB visual inspection system. The relative stereo system has the unique feature of calibration free precise 3-D measurement. In the paper, the optical structure of the system and its processing method has been introduced.

Citation Download Citation

Daisuke Shima, Seiji Hata, Kan'ichi Kaida, and Noboru Higashi "Relative stereo image processing and its application to visual inspection of assembled PCBs", Proc. SPIE 5264, Optomechatronic Systems IV, (30 September 2003); https://doi.org/10.1117/12.517469

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