Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Subdiffraction incoherent optical imaging via spatial-mode
  demultiplexing: semiclassical treatment   I present a semiclassical analysis of a spatial-mode demultiplexing (SPADE)
measurement scheme for far-field incoherent optical imaging under the effects
of diffraction and photon shot noise. Building on previous results that assume
two point sources or the Gaussian point-spread function, I generalize SPADE for
a larger class of point-spread functions and evaluate its errors in estimating
the moments of an arbitrary subdiffraction object. Compared with the limits to
direct imaging set by the Cram\'er-Rao bounds, the results show that SPADE can
offer far superior accuracy in estimating the second and higher-order moments.

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The categories of this paper are: funct-an
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The categories of this paper are: stat
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The categories of this paper are: q-fin
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The categories of this paper are: math-ph
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The categories of this paper are: solv-int
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The categories of this paper are: eess
35
The categories of this paper are: mtrl-th
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The categories of this paper are: bayes-an
6
The categories of this paper are: astro-ph
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The categories of this paper are: cmp-lg
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The categories of this paper are: adap-org
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The categories of this paper are: chem-ph
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The categories of this paper are: atom-ph
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The categories of this paper are: econ
0
The categories of this paper are: hep-ph
20
The categories of this paper are: acc-phys