Clarification of Slice Location attributes Status: Final Text




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CP-742 Date 2007/08/27

Clarification of Slice Location attributes Status: Final Text



DICOM Correction Item

Correction Number CP-742

Log Summary: Clarification of Slice Location attributes

Type of Modification

Clarification



Name of Standard

PS 3.3 - 2007



Rationale for Correction

The Multi-frame SC attribute Slice Location Vector has an incomplete description. Compared with the other attributes it is not stated that an array position is intended.

Furthermore, “exposure” in the description is not applicable for non X-ray modalities. Proposed to replace it with “image plane”.


Sections of documents affected

PS 3.3 C.7.6.2 and C.8.6.4



Correction Wording:


C.7.6.2 Image Plane Module


Table C.7-10


IMAGE PLANE MODULE ATTRIBUTES

Attribute Name

Tag

Type

Attribute Description












Slice Location

(0020,1041)

3

Relative position of exposurethe image plane expressed in mm. C.7.6.2.1.2 for further explanation.


C.7.6.2.1.2 Slice Location

The Slice Location (0020,1041) is defined as the relative position of exposurethe image plane expressed in mm. This information is relative to an unspecified implementation specific reference point.

C.8.4.15 NM Reconstruction Module


Table C.8-15


NM RECONSTRUCTION MODULE ATTRIBUTES

Attribute Name

Tag

Type

Attribute Description












Slice Location

(0020,1041)

3

Relative position of exposureimage plane expressed in mm.

See C.7.6.2.1.2 for further explanation.















C.8.6.4 SC Multi-frame Vector Module


Table C.8-25c contains IOD Attributes that may be the target of the Frame Increment Pointer (0028,0009) for SC Multi-frame images.

Table C.8-25c


SC MULTI-FRAME VECTOR MODULE ATTRIBUTES

Attribute Name

Tag

Type

Attribute Description












Slice Location Vector

(0018,2005)

1C

An array that contains, for each of the image frames, the rRelative position of exposurethe image plane expressed in mm, as defined for Slice Location (0020,1041). See C.7.6.2.1.2 for further explanation.

Required if Frame Increment Pointer (0028,0009) points to Slice Location Vector (0018,2005).



















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