Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Limited-view Photoacoustic Imaging Reconstruction With Dual Domain
  Inputs Under Mutual Information Constraint   Based on photoacoustic effect, photoacoustic tomography is developing very
fast in recent years, and becoming an important imaging tool for both
preclinical and clinical studies. With enough ultrasound transducers placed
around the biological tissue, PAT can provide both deep penetration and high
image contrast by hybrid usage of light and sound. However, considering space
and measurement environmental limitations, transducers are always placed in a
limited-angle way, which means that the other side without transducer coverage
suffers severe information loss. With conventional image reconstruction
algorithms, the limited-view tissue induces artifacts and information loss,
which may cause doctors misdiagnosis or missed diagnosis. In order to solve
limited-view PA imaging reconstruction problem, we propose to use both time
domain and frequency domain reconstruction algorithms to get delay-and-sum
(DAS) image inputs and k-space image inputs. These dual domain images share
nearly same texture information but different artifact information, which can
teach network how to distinguish these two kinds of information at input level.
In this paper, we propose Dual Domain Unet (DuDoUnet) with specially designed
Information Sharing Block (ISB), which can further share two domains'
information and distinguish artifacts. Besides, we use mutual information (MI)
with an auxiliary network, whose inputs and outputs are both ground truth, to
compensate prior knowledge of limited-view PA inputs. The proposed method is
verified with a public clinical database, and shows superior results with SSIM
= 93.5622% and PSNR = 20.8859.

11
The categories of this paper are: hep-lat
2
The categories of this paper are: math
17
The categories of this paper are: q-fin
31
The categories of this paper are: ao-sci
1
The categories of this paper are: cs
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The categories of this paper are: q-bio
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The categories of this paper are: comp-gas
4
The categories of this paper are: cond-mat
20
The categories of this paper are: acc-phys
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The categories of this paper are: plasm-ph
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The categories of this paper are: hep-th
13
The categories of this paper are: quant-ph
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The categories of this paper are: econ
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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: q-alg