Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: On the possibility of a considerable quality improvement of a quantum
  ghost image by sensing in the object arm   We consider a modification of the classical ghost imaging scheme where an
image of the research object is formed and acquired in the object arm. It is
used alongside the ghost image to produce an estimate of the transmittance
distribution of the object. It is shown that it allows to weaken the
deterioration of image quality caused by nonunit quantum efficiency of the
sensors, including the case when the quantum image obtained in the object arm
is additionally affected by the noise caused by photons that have not
interacted with the object.

10
The categories of this paper are: q-bio
15
The categories of this paper are: nucl-ex
23
The categories of this paper are: solv-int
17
The categories of this paper are: q-fin
35
The categories of this paper are: mtrl-th
9
The categories of this paper are: nlin
7
The categories of this paper are: hep-th
16
The categories of this paper are: stat
12
The categories of this paper are: nucl-th
19
The categories of this paper are: eess
11
The categories of this paper are: hep-lat
14
The categories of this paper are: math-ph
34
The categories of this paper are: chem-ph
8
The categories of this paper are: hep-ex
21
The categories of this paper are: adap-org
2
The categories of this paper are: math