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. Author manuscript; available in PMC: 2012 Jul 1.
Published in final edited form as: Comput Med Imaging Graph. 2010 Dec 8;35(5):365–372. doi: 10.1016/j.compmedimag.2010.11.008

Table 1.

Categories for Image Modality

Category Definition
Chart / Graph A geometric diagram consisting of dots, lines, and bars.
Drawing A hand drawn illustration
Flowchart A symbolic representation of sequence of activities.
Form A compilation of textual data and/or drawings related to patient and/or clinical
process.
Histology An image of cells and tissue on the microscopic level.
Photograph Picture obtained from a camera
Radiology A 2D view of an internal organ or structure (includes X-ray, CT, PET, MRI,
ultrasound)
Table Data arranged in a grid
Mixed Images combining modalities (e.g., drawings over an x-ray)