A.32.7.2 Video Photographic Image IOD Entity-Relationship Model
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#### A.32.7.2 Video Photographic Image IOD Entity-Relationship Model

The E-R Model in Section A.1.2 depicts those components of the DICOM Information Model that directly reference the Video Photographic Image IOD, with exception of the VOI LUT and Modality LUT entities, which are not used. Table A.32.7-1 specifies the Modules of the Video Photographic Image IOD.

### Note

1. The video may include audio channel for acquiring patient voice or physiological sounds, healthcare professionals comment, or environment sounds.

2. The Frame Pointers Module has not been included because the selection of relevant sub-sequence(s) is usually made in a second step and stored into separate Key Object Selection Documents.

3. The Curve entity was previously include in the list of entities that are not used, but has been retired from DICOM. It is still not used in this IOD. See PS3.3-2004.

4. The Specimen Identification Module was previously included in this IOD but has been retired, and its functionality replaced by the Specimen Module. See PS3.3-2008.

Table A.32.7-1. Video Photographic Image IOD Modules

IE | Module | Reference | Usage
--- | --- | --- | ---
Patient | Patient | C.7.1.1 | M
Clinical Trial Subject | C.7.1.3 | U
Study | General Study | C.7.2.1 | M
Patient Study | C.7.2.2 | U
Clinical Trial Study | C.7.2.3 | U
Series | General Series | C.7.3.1 | M
Clinical Trial Series | C.7.3.2 | U
Equipment | General Equipment | C.7.5.1 | M
Image | General Image | C.7.6.1 | M
Cine | C.7.6.5 | M
Multi-frame | C.7.6.6 | M
Image Pixel | C.7.6.3 | M
Acquisition Context | C.7.6.14 | M
Device | C.7.6.12 | U
Specimen | C.7.6.22 | C - Required if the Imaging Subject is a Specimen
VL Image | C.8.12.1 | M
ICC Profile | C.11.15 | U
SOP Common | C.12.1 | M
Common Instance Reference | C.12.2 | U
Frame Extraction | C.12.3 | C - Required if the SOP Instance was created in response to a Frame-Level retrieve request

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