Table C.8-90 specifies the attributes of the MR FOV/Geometry Functional Group Macro.
Table C.8-90. MR FOV/Geometry Macro Attributes
|
Attribute Name |
Tag |
Type |
Attribute Description |
|---|---|---|---|
|
MR FOV/Geometry Sequence |
(0018,9125) |
1 |
Identifies the geometry parameters of this frame. Only a single Item shall be included in this sequence. |
|
>In-plane Phase Encoding Direction |
(0018,1312) |
1C |
The axes of the in-plane phase encoding with respect to the frame. Enumerated Values:
Required if Frame Type (0008,9007) Value 1 of this frame is ORIGINAL. May be present otherwise. |
|
>MR Acquisition Frequency Encoding Steps |
(0018,9058) |
1C |
Number of Frequency Encoding steps (kx) acquired Required if Frame Type (0008,9007) Value 1 is ORIGINAL. May be present otherwise. |
|
>MR Acquisition Phase Encoding Steps in-plane |
(0018,9231) |
1C |
Number of In-Plane Phase Encoding steps (ky) acquired Required if Frame Type (0008,9007) Value 1 is ORIGINAL. May be present otherwise. |
|
>MR Acquisition Phase Encoding Steps out-of-plane |
(0018,9232) |
1C |
Number of Out-of-Plane Phase Encoding steps (kz) acquired Required if MR Acquisition Type (0018,0023) equals 3D and Frame Type (0008,9007) Value 1 is ORIGINAL. May be present otherwise. |
|
>Percent Sampling |
(0018,0093) |
1C |
Fraction of acquisition matrix lines acquired, expressed as a percent. Required if Frame Type (0008,9007) Value 1 of this frame is ORIGINAL. May be present otherwise. |
|
>Percent Phase Field of View |
(0018,0094) |
1C |
Ratio of field of view dimension in phase direction to field of view dimension in frequency direction, expressed as a percent. Required if Frame Type (0008,9007) Value 1 of this frame is ORIGINAL. May be present otherwise. |