DICOM PS3.3 2016d - Information Object Definitions

C.8.22.5.5 PET Frame Correction Factors Macro
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##### C.8.22.5.5 PET Frame Correction Factors Macro

Table C.8.22-15 specifies the attributes of the PET Frame Correction Factors Functional Group Macro.

Table C.8.22-15. PET Frame Correction Factors Macro Attributes

Attribute Name | Tag | Type | Attribute Description
--- | --- | --- | ---
PET Frame Correction Factors Sequence | (0018,9736) | 1 | Contains the attributes that describe the correction factors applied to this frame. Only a single Item shall be included in this Sequence.
>Primary (Prompts) Counts Accumulated | (0054,1310) | 1C | The sum of events that occur in the primary event channel. The counts include Trues +Scatter+ Randoms if Corrected Image (0028,0051) includes RAN; otherwise the counts are Trues +Scatter. Required if Frame Type (0008,9007) Value 1 is ORIGINAL. May be present otherwise.
>Slice Sensitivity Factor | (0054,1320) | 1C | The slice-to-slice sensitivity correction factor that was used to correct this frame. The value shall be one if no slice sensitivity correction was applied. Required if Frame Type (0008,9007) Value 1 is ORIGINAL. May be present otherwise.
>Decay Factor | (0054,1321) | 1C | The decay factor that was used to scale this frame. Required if Decay Corrected (0018,9758) equals YES.
>Scatter Fraction Factor | (0054,1323) | 1C | An estimate of the fraction of acquired counts that were due to scatter and that were corrected in this frame. The value shall be zero if no scatter correction was applied. Required if Frame Type (0008,9007Value 1 is ORIGINAL. May be present otherwise.
>Dead Time Factor | (0054,1324) | 1C | The average dead time correction factor that was applied to this frame. The value shall be one if no dead time correction was applied. Required if Frame Type (0008,9007) Value 1 is ORIGINAL. May be present otherwise.

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DICOM PS3.3 2016d - Information Object Definitions