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This page introduces the caBIG® Annotation and Image Markup (AIM) Template Creator for AIM Information Model Version 3.0.

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Image information captured in the AIM model is anatomic entity and its characteristic, imaging observation and its characteristic, and inference. Existing vocabularies contain thousands of terms that make it difficult for users to search and select criteria for inclusion as an AIM annotation. Typical users desire to make simple and constrained annotations that are reproducible and consistence.

What

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Is the AIM Template?

The AIM template XML schema allows an expert to create an XML document containing controlled questions and answers based on known vocabularies such as SNOMED CT, RadLex, LOINC, etc. as well as user-defined terminologies.

The AIM template XML document can be consumed by an application capable of understanding AIM and AIM templates. A template allows users to choose appropriate semantic image content in a standardized format.

What is Being Captured in an AIM Template?

An AIM Template Container consists of one or more AIM Templates. It provides a convenient way of organizing a collection of similar templates or templates related to a study.

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A component can be one of the following types.

• Anatomic Entity
  • Anatomic Entity Characteristic
• Imaging Observation
  • Imaging Observation Characteristic
• Inference
• Calculation

Anatomic entity may have one or more anatomic entity characteristics. An anatomic entity characteristic contains every attribute that a component has. It has “annotator confidence” that allows a user to enter a level of user’s confidence answering the question in terms of a percentage. A characteristic may have a quantification value.

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• Imaging Observation Characteristic
• Quantification
  • Interval
  • Scale
  • Quantile
  • Non-quantifiable
  • Numerical

AIM Template Creation Process

The AIM template manager is used to generate a set of well-defined questions and corresponding one or more answers to each question in order to facilitate collection of information for a particular purpose, e.g. TCGA GBM study. These questions are contained in AIM XML template file. The file can be consumed by an AIM enabled workstation that will present the questions and answers to a user in a graphical user interface. The workstation captures answers and then exports them as an AIM XML document or AIM DICOM SR, which can be sent to AIM Data Service or DICOM store SCP respectively.

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