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|Title:||Simplified carré's method for phase extraction||Authors:||Chen, L.
|Issue Date:||2005||Citation:||Chen, L., Quan, C., Tay, C.J. (2005). Simplified carré's method for phase extraction. Proceedings of SPIE - The International Society for Optical Engineering 5852 PART I : 198-202. ScholarBank@NUS Repository. https://doi.org/10.1117/12.621505||Abstract:||A phase-shifting algorithm for speckle patterns with a constant but unknown phase shift is proposed. The algorithm is based on the well known Carré's method. Prior to applying the phase-shifting algorithm a speckle pattern background is removed. In this process, manual intervention is minimal and high computational speed is achieved. In addition, high-frequency phase signal would not be filtered out in the noise reduction process as is the case in band-pass filtering technique. Its validity is tested on the deformation measurement using digital speckle shearing interferometry (DSSI).||Source Title:||Proceedings of SPIE - The International Society for Optical Engineering||URI:||http://scholarbank.nus.edu.sg/handle/10635/73846||ISSN:||0277786X||DOI:||10.1117/12.621505|
|Appears in Collections:||Staff Publications|
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