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