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Table 2 The observed standard CT attenuations of each material in HU [13]

From: Electronic cleansing in computed tomography colonography using AT layer identification with integration of gradient directional second derivative and material fraction model

Component

Minimum

Maximum

lumen air

-1000 HU

-800 HU

ST

-100 HU

100 HU

FTM

200 HU

1400 HU

AT Layer

-800 HU

600 HU

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BMC Medical Imaging

ISSN: 1471-2342

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