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Table 2 Average attenuation coefficients (cm−1) measured from the sinus region using leave-one-out validation

From: Evaluation of three methods for delineation and attenuation estimation of the sinus region in MR-based attenuation correction for brain PET-MR imaging

Subject number

CTAC

Bulk method

Cuboid method

Template method

1

0.0841

0.0893

0.0856

0.0865

2

0.0888

0.0916

0.0867

0.0886

3

0.0929

0.0945

0.0928

0.0931

4

0.0781

0.0849

0.0824

0.0824

5

0.0944

0.0970

0.0948

0.0948

6

0.0761

0.0827

0.0799

0.0798

7

0.0840

0.0859

0.0865

0.0833

8

0.0769

0.0842

0.0801

0.0839

9

0.0861

0.0899

0.0875

0.0892

10

0.0759

0.0811

0.0776

0.0794

Median

0.0840

0.0876

0.0860

0.0852

  1. The values for cuboid and template methods have been converted using leave-one-out validation
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BMC Medical Imaging

ISSN: 1471-2342

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