C.8.21.2 X-Ray 3D Contributing Image Sources Modules
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#### C.8.21.2 X-Ray 3D Contributing Image Sources Modules

This section describes the X-Ray 3D Image Contributing Sources Modules.

### Note

1. These modules supply general information of the sources without the need to have access to all the contributing SOP Instances or when these SOP Instances do not exist.

2. These modules do not contain specific information of the X-Ray acquisition itself. For this purpose the X-Ray 3D Acquisition Modules may be used.

##### C.8.21.2.1 X-Ray 3D Angiographic Image Contributing Sources Module

This section describes the X-Ray 3D Angiographic Image Contributing Sources Module. The attributes in this Module specify the overall characteristics of one or more sources that were used to create a X-Ray 3D Angiographic Image SOP Class instance. Table C.8.21.2.1-1 contains the relevant IOD Attributes that describe X-Ray 3D Angiographic Image Contributing Sources.

Table C.8.21.2.1-1. X-Ray 3D Angiographic Image Contributing Sources Module Attributes

Attribute Name | Tag | Type | Attribute Description
--- | --- | --- | ---
Contributing Sources Sequence | (0018,9506) | 1 | A sequence that describes characteristics of the sources that are used to create a derived SOP Instance. One or more Items shall be included in this sequence.
>Include Table 10-13 “General Contributing Sources Macro Attributes” |
>Include Table 10-14 “Contributing Image Sources Macro Attributes” |
>Acquisition Device Processing Description | (0018,1400) | 1C | Indicates any visual processing performed on the frame prior to exchange. See Section C.8.7.1.1.3. Required if present and consistent in the contributing SOP Instances.
>Acquisition Device Processing Code | (0018,1401) | 1C | Code representing the device-specific processing associated with the frame (e.g., Organ Filtering code) Required if present and have an equal value in the contributing SOP Instances.
>Plane Identification | (0018,9457) | 1C | Identification of the plane used to acquire this image. Defined Terms: MONOPLANE PLANE A PLANE B Required if present and consistent in the contributing SOP Instances.
>Imager Pixel Spacing | (0018,1164) | 1C | Physical distance measured at the receptor plane of the detector between the centers of each pixel specified by a numeric pair - row spacing value (delimiter) column spacing value in mm. Required if present and consistent in the contributing SOP Instances.

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