Please use this identifier to cite or link to this item: https://doi.org/10.1117/12.621505
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dc.titleSimplified carré's method for phase extraction
dc.contributor.authorChen, L.
dc.contributor.authorQuan, C.
dc.contributor.authorTay, C.J.
dc.date.accessioned2014-06-19T05:40:04Z
dc.date.available2014-06-19T05:40:04Z
dc.date.issued2005
dc.identifier.citationChen, 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
dc.identifier.issn0277786X
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/73846
dc.description.abstractA 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).
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1117/12.621505
dc.sourceScopus
dc.subjectBackground removal
dc.subjectCarré's method
dc.subjectPhase extraction
dc.subjectPhase shifting
dc.typeConference Paper
dc.contributor.departmentMECHANICAL ENGINEERING
dc.description.doi10.1117/12.621505
dc.description.sourcetitleProceedings of SPIE - The International Society for Optical Engineering
dc.description.volume5852 PART I
dc.description.page198-202
dc.description.codenPSISD
dc.identifier.isiut000229932000032
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