Integrating images from a moveable tracked display of three-dimensional data

Integrating images from a moveable tracked display of three-dimensional data This paper describes a novel method for displaying data obtained by three-dimensional medical imaging, by which the position and orientation of a freely movable screen are optically tracked and used in real time to select the current slice from the data set for presentation. With this method, which we call a “freely moving in-situ medical image”, the screen and imaged data are registered to a common coordinate system in space external to the user, at adjustable scale, and are available for free exploration. The three-dimensional image data occupy empty space, as if an invisible patient is being sliced by the moving screen. A behavioral study using real computed tomography lung vessel data established the superiority of the in situ display over a control condition with the same free exploration, but displaying data on a fixed screen (ex situ), with respect to accuracy in the task of tracing along a vessel and reporting spatial relations between vessel structures. A “freely moving in-situ medical image” display appears from these measures to promote spatial navigation and understanding of medical data. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Cognitive Research: Principles and Implications Springer Journals

Integrating images from a moveable tracked display of three-dimensional data

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Publisher
Springer International Publishing
Copyright
Copyright © 2017 by The Author(s)
Subject
Psychology; Cognitive Psychology; Experimental Psychology; Neurosciences
eISSN
2365-7464
D.O.I.
10.1186/s41235-017-0069-0
Publisher site
See Article on Publisher Site

Abstract

This paper describes a novel method for displaying data obtained by three-dimensional medical imaging, by which the position and orientation of a freely movable screen are optically tracked and used in real time to select the current slice from the data set for presentation. With this method, which we call a “freely moving in-situ medical image”, the screen and imaged data are registered to a common coordinate system in space external to the user, at adjustable scale, and are available for free exploration. The three-dimensional image data occupy empty space, as if an invisible patient is being sliced by the moving screen. A behavioral study using real computed tomography lung vessel data established the superiority of the in situ display over a control condition with the same free exploration, but displaying data on a fixed screen (ex situ), with respect to accuracy in the task of tracing along a vessel and reporting spatial relations between vessel structures. A “freely moving in-situ medical image” display appears from these measures to promote spatial navigation and understanding of medical data.

Journal

Cognitive Research: Principles and ImplicationsSpringer Journals

Published: Aug 23, 2017

References

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