Evaluation of complicated fringe patterns by 2D locally adaptive filtering

I. Gurov; M. Volkov

doi:10.1117/12.636873

9 June 2005 Evaluation of complicated fringe patterns by 2D locally adaptive filtering

I. Gurov, M. Volkov

Proceedings Volume 5772, Saratov Fall Meeting 2004: Coherent Optics of Ordered and Random Media V; (2005) https://doi.org/10.1117/12.636873
Event: Saratov, Russia, 2004, Saratov, Russian Federation

Abstract

Fringe pattern analysis is widely used in moire, holographic and speckle interferometry for solving problems of nondestructive testing of objects. In the paper, the method of analysis of noisy fringe patterns and fringe phase retrieval is considered. The method is based on iterative evaluation of fringe amplitude, local fringe step (frequency) and local fringe orientation. High noise-immunity of the method proposed was verified experimentally when processing complicated fringe patterns with recovering full fringe phase.

Citation Download Citation

I. Gurov and M. Volkov "Evaluation of complicated fringe patterns by 2D locally adaptive filtering", Proc. SPIE 5772, Saratov Fall Meeting 2004: Coherent Optics of Ordered and Random Media V, (9 June 2005); https://doi.org/10.1117/12.636873

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