DICOM PS3.4 2018b - Service Class Specifications

FF.2.2 Volumetric Inputs, Registration and Cropping
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### FF.2.2 Volumetric Inputs, Registration and Cropping

A Volumetric Presentation State can take multiple volumes as input. A volume is defined in Section C.11.23.1 “Presentation Input Type Volume Input Requirements” in PS3.3. The same source data can be referenced in more than one input.

The VOI LUT encoded in the Volumetric Presentation State is applied to the input data.

The input volumes may or may not be in the Volumetric Presentation State Reference Coordinate System (VPS-RCS). If they are not, they shall be registered into the VPS-RCS.

Two methods of cropping the input volumes are provided:

- All inputs to the Volumetric Presentation State may be cropped using the common cropping methods specified by Global Crop (0070,120B) and items in the Volume Cropping Sequence (0070,1301).

- In addition, cropping may be specified independently for each input to the Volumetric Presentation State as specified by the value of Crop (0070,1204) and items in the Volume Cropping Sequence (0070,1301).

### Note

Combinations of cropping methods may be specified. For example, all inputs could be cropped using global bounding box cropping in addition to another cropping method applied to one of more individual inputs to the Volumetric Presentation State.

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DICOM PS3.4 2018b - Service Class Specifications