TTT.2.3.2 Encoding Outline
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#### TTT.2.3.2 Encoding Outline

The rotational acquisition can either be encoded as XA Image or as Enhanced XA Image.

Each reconstruction is encoded in a different X-Ray 3D Angiographic instance.

Not all parts of each frame of the original XA instance or Enhanced XA instance are used to reconstruct the second volume.

The X-Ray 3D instance references the original XA instance or Enhanced XA instance and uses attributes to define the context on how and which part of the original image frames are used to create the Volume.

Figure TTT.2.3-1. Encoding of two 3D reconstructions of different regions of the anatomy

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