Spatial domain method of DSPI fringe pattern recognition

Xiaoyuan He; Zhu Xu; Wei Heng

doi:10.1117/12.276323

17 July 1996 Spatial domain method of DSPI fringe pattern recognition

Xiaoyuan He, Zhu Xu, Wei Heng

Proceedings Volume 2860, Laser Interferometry VIII: Techniques and Analysis; (1996) https://doi.org/10.1117/12.276323
Event: SPIE's 1996 International Symposium on Optical Science, Engineering, and Instrumentation, 1996, Denver, CO, United States

Abstract

This paper will report on the methods of compound regions average (CRA) and the adaptive visual primitive elements matched (AWE). By CRA method, the high frequency noise of the digital speckle pattern interference (DSPI) fringe could be filtered. Further. the directions of the fringes were determined with AVPE method and the fringe skeleton could be obtained accurately by directional derivative. Results are presented for center determination from DSP! fringe patterns.

Citation Download Citation

Xiaoyuan He, Zhu Xu, and Wei Heng "Spatial domain method of DSPI fringe pattern recognition", Proc. SPIE 2860, Laser Interferometry VIII: Techniques and Analysis, (17 July 1996); https://doi.org/10.1117/12.276323

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