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The AIM UML model illustrated as a UML class diagram is used to capture information about how images are perceived by human or machine observers. Our design process started with understanding the initial requirements [2] and the information in "From AIM 3.0 to the AIM Foundation Model," on page . We identified a set of information objects that are used to collect information about imaging annotations and markup. Classes are divided into image semantic content, calculation, markup, image reference, and AIM statements. If there are classes that do not pertain to a specific group, we classify them in the general information group. These classes contain information about the workstation used to create the AIM annotations, the user that creates the AIM annotations, patient identification, DICOM segmentation, annotation role, inference, workflow activity, adjudication observation, image annotation, and annotation-of-annotation.

The AIM Foundation Model, shown in figure 1, has evolved through an iterative feedback process since the release of AIM version 3, revision 11. The model has gone through many reviews and recommendation processes. Enterprise Architect can be used to view the AIM UML class diagram file, AIM_Foundation_v4_rv47_load.eap. One can also view this diagram in JPEG format. You can download the model from the NCI Wiki.

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