000173532 001__ 173532
000173532 005__ 20190416055807.0
000173532 0247_ $$2doi$$a10.1364/OE.20.001281
000173532 022__ $$a1094-4087
000173532 02470 $$2ISI$$a000300057700058
000173532 037__ $$aARTICLE
000173532 245__ $$aEstimation of multiple phases from a single fringe pattern in digital holographic interferometry
000173532 260__ $$bOptical Society of America$$c2012
000173532 269__ $$a2012
000173532 336__ $$aJournal Articles
000173532 520__ $$aSimultaneous measurement of multidimensional displacements using digital holographic interferometry involves multi-directional illumination of the deformed object and requires the reliable estimation of the resulting multiple interference phase distributions. The paper introduces an elegant method to simultaneously estimate the desired multiple phases from a single fringe pattern. The proposed method relies on modeling the reconstructed interference field as a piecewise multicomponent polynomial phase signal. Effectively, in a given region or segment, the reconstructed interference field is represented as the sum of different components i.e. complex signals with polynomial phases. The corresponding polynomial coefficients are estimated using the product high-order ambiguity function. To ensure proper matching of the estimated coefficients with the corresponding components, an amplitude based discrimination criterion is used. The main advantage of the proposed method is direct retrieval of multiple phases without the application of spatial carrier based filtering operations.
000173532 6531_ $$aOut-Of-Plane
000173532 6531_ $$aQuantitative-Evaluation
000173532 6531_ $$aFourier-Transform
000173532 6531_ $$aDeformations
000173532 6531_ $$aInplane
000173532 700__ $$0242300$$aRajshekhar, G.$$g190589
000173532 700__ $$0242293$$aGorthi, Sai Siva$$g176281
000173532 700__ $$0241647$$aRastogi, Pramod$$g106189
000173532 773__ $$j20$$k2$$q1281-1291$$tOptics Express
000173532 8564_ $$uhttp://www.opticsinfobase.org/oe/abstract.cfm?uri=oe-20-2-1281$$zURL
000173532 8564_ $$s1147072$$uhttps://infoscience.epfl.ch/record/173532/files/optics_express_multi_phase.pdf$$yn/a$$zn/a
000173532 909C0 $$0252031$$pIMAC$$xU10237
000173532 909CO $$ooai:infoscience.tind.io:173532$$particle$$pENAC$$qGLOBAL_SET
000173532 917Z8 $$x190589
000173532 937__ $$aEPFL-ARTICLE-173532
000173532 973__ $$aEPFL$$rREVIEWED$$sPUBLISHED
000173532 980__ $$aARTICLE