7 DICOM Model of the Real World
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# 7 DICOM Model of the Real World

Figure 7-1a, Figure 7-1b and Figure 7-3 depict the DICOM view of the Real-World that identifies the relevant Real-World Objects and their relationships within the scope of the DICOM Standard. It provides a common framework to ensure consistency between the various Information Objects defined by the DICOM Standard.

Figure 7-1a. DICOM Model of the Real World

Figure 7-1b. DICOM Model of the Real World - PRINT

Figure 7-2a. DICOM Information Model

Figure 7-2b. DICOM Information Model - PRINT

Figure 7-2c. DICOM Information Model - RADIOTHERAPY

Figure 7-2d. DICOM Information Model - IMPLANT TEMPLATES

Figure 7-3. Model of the Real World for the Purpose of Modality-IS Interface

## 7.1 DICOM Information Model

The DICOM Information Model is derived from the DICOM Model of the Real World. The DICOM Information Model presented by Figure 7-2a, Figure 7-2b, Figure 7-2c and Figure 7-2d identify the various IODs specified by this Standard and their relationships. There is not always a one-to-one correspondence between DICOM Information Object Definitions and Real-World Objects. For example a Composite IOD contains Attributes of multiple real-world objects such as series, equipment, frame of reference, study and patient.

The entities in Figure 7-2a, Figure 7-2b, Figure 7-2c and Figure 7-2d correspond to IODs defined in Annex A, Annex B and Annex C.

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6.7 Service Class Specification | Home | 7.2 Organization of Annexes A, B and C