Design of a simple recursive filter for processing ESPI fringe patterns

Fang Chen; J. Wang; Christopher T. Griffen; Y.Y. Hung

doi:10.1117/12.216844

18 August 1995 Design of a simple recursive filter for processing ESPI fringe patterns

Fang Chen, J. Wang, Christopher T. Griffen, Y.Y. Hung

Proceedings Volume 2622, Optical Engineering Midwest '95; (1995) https://doi.org/10.1117/12.216844
Event: Optical Engineering Midwest '95, 1995, Chicago, IL, United States

Abstract

This paper presents a simple method to design a recursive filter for processing ESPI fringe pattern to obtain a quality results according to the frequency of the fringe. This method of speckle noise reduction has the advantages of both less computation time and improved results.

Citation Download Citation

Fang Chen, J. Wang, Christopher T. Griffen, and Y.Y. Hung "Design of a simple recursive filter for processing ESPI fringe patterns", Proc. SPIE 2622, Optical Engineering Midwest '95, (18 August 1995); https://doi.org/10.1117/12.216844

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