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Proceedings Paper

CMAS: a rich media annotation system for medical imaging
Author(s): I-Jong Lin; Hui Chao
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Paper Abstract

We have developed the CMAS system (Collaborative Medical Annotation System) so that medical professionals will be able to easily annotate digital medical records that contain medical imaging or procedure videos. The CMAS system enables a non-technical person to annotate a medical image or video with their recorded presence. The CMAS system displays medical images via a projector onto a screen; when a doctor (or patient) physically walks in front of this screen with the medical image and gives his/her opinion while gesturing at the image, the CMAS system intuitively captures this interaction by creating a video annotation with HP's Active Shadows technology. The CMAS system automatically transforms physical interactions, ranging from a laser pointer spot to a doctor's physical presence, into video annotation that then can be overlaid on top of the medical image or seamlessly inserted into the procedure video. Annotated in such a manner, the medical record retains the historical development of the diagnostic medical opinion, explained through presence of doctors and their respective annotations. The CMAS system structures the annotation of digital medical records such that image/video annotations from multiple sources, at different times, and from different locations can be maintained within a historical context and be consistently referenced among multiple annotations.

Paper Details

Date Published: 16 March 2006
PDF: 8 pages
Proc. SPIE 6145, Medical Imaging 2006: PACS and Imaging Informatics, 614506 (16 March 2006); doi: 10.1117/12.658677
Show Author Affiliations
I-Jong Lin, Hewlett-Packard Labs. (United States)
Hui Chao, Hewlett-Packard Labs. (United States)


Published in SPIE Proceedings Vol. 6145:
Medical Imaging 2006: PACS and Imaging Informatics
Steven C. Horii; Osman M. Ratib, Editor(s)

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