DICOM PS3.16 2020c - Content Mapping Resource

TID 3205 Calibration (Current)
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### TID 3205 Calibration

The Calibration Template consists of a CONTAINER, with a structure for reporting of the calibration of images used in the analysis.

Table TID 3205. Parameters

Parameter Name | Parameter Usage
--- | ---
$CalibrationPlane | XA Imaging plane

Type:

  Extensible

Order:

  Significant

Root:

  No

Table TID 3205. Calibration

| NL | Rel with Parent | VT | Concept Name | VM | Req Type | Condition | Value Set Constraint
--- | --- | --- | --- | --- | --- | --- | --- | ---
1 |  |  | CONTAINER | EV (122505, DCM, "Calibration") | 1 | M |  |
2 | > | HAS CONCEPT MOD | CODE | EV (111031, DCM, "Image View") | 1 | U |  | $CalibrationPlane
3 | > | HAS OBS CONTEXT | TEXT | EV (111001, DCM, "Algorithm Name") | 1 | MC | IF different from Analysis program specified in the invoking Template |
4 | > | HAS OBS CONTEXT | TEXT | EV (111003, DCM, "Algorithm Version") | 1 | MC | IF different from Analysis program specified in the invoking Template |
5 | > | HAS OBS CONTEXT | TEXT | EV (122405, DCM, "Algorithm Manufacturer") | 1 | MC | IF different from Analysis program specified in the invoking Template |
6 | > | CONTAINS | CODE | EV (122422, DCM, "Calibration Method") | 1 | M |  | DCID 3452 “Calibration Methods”
7 | > | CONTAINS | CODE | EV (122421, DCM, "Calibration Object") | 1 | MC | If row 6 value specifies Calibration Object Used | DCID 3451 “Calibration Objects”
8 | > | CONTAINS | NUM | EV (122423, DCM, "Calibration Object Size") | 1 | MC | If row 6 value specifies Calibration Object Used | DCID 3510 “Catheter Size Units”
9 | > | CONTAINS | INCLUDE | DTID 300 “Measurement” | 1 | M |  | $Measurement = EV (111026, DCM, "Horizontal Pixel Spacing") $Unit = DT (mm/{pixel}, UCUM, "mm/pixel") $ImagePurpose = EV (121112, DCM, "Source of Measurement")
10 | > | CONTAINS | INCLUDE | DTID 300 “Measurement” | 1 | M |  | $Measurement = EV (111066, DCM, "Vertical Pixel Spacing") $Unit = DT (mm/{pixel}, UCUM, "mm/pixel") $ImagePurpose = EV (121112, DCM, "Source of Measurement")
11 | > | CONTAINS | IMAGE |  | 1 | U |  |

Content Item Descriptions

Row 3 | Identifies the Calibration program
Row 4 | Identifies the Calibration program version
Row 5 | Identifies the Calibration program manufacturer
Row 7 | Besides a Sphere and a Catheter, a Distance can be identified as a Calibration Object. In this case a distance measurement of a known dimension of the object is used to calculate the pixel size.
Row 8 | The catheter size units is also used to specify the size of other calibration objects (e.g., sphere)
Row 9, 10 | Spacing in the patient body. Point to a single frame containing the image used for calibration if applicable, the actual measurements may be indicated by a SCOORD (see TID 320 “Image or Spatial Coordinates”, row 3)
Row 11 | Secondary Capture image with calibration position. No purpose of reference is specified.

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