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Phase Estimation in Optical Interferometry
book

Phase Estimation in Optical Interferometry

by Pramod Rastogi, Erwin Hack
November 2014
Intermediate to advanced content levelIntermediate to advanced
366 pages
11h 5m
English
CRC Press
Content preview from Phase Estimation in Optical Interferometry
Regularized Phase Estimation Methods in Interferometry 171
where p(x, y) is a local phase-plane approximation given as
ηξ ϕ+ −η +−ξ∀ηξ ∈Γ
(,)= (,)(,)()(,)( ), (,
),
0
pxyuxy xvxy y
(5.62)
with Γ a given square neighborhood around
(,)xy
. e functions
ϕ (,)
0
xy
,
u(x, y), and v(x, y) are respectively, the local (searched) phase and the local
spatial frequencies of the fringe-pattern. In practice, the sizes of neighbor-
hood Γ are usually from 5 × 5 to 15 × 15 pixels. en, a cost function to
estimate the parameters of the local phase-plane approximation is pro-
posed. is cost function is given in the following way:
ϕηξ−
ηξ +
ηξ +
+
ηξ −+ηϕ ηξ −η ...
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Publisher Resources

ISBN: 9781466598317