Navigating the fifth dimension: new concepts in interactive multimodality and multidimensional image navigation

Osman Ratib M.D.; Antoine Rosset M.D.; Magnus Dahlbom M.D.; Johannes Czernin M.D.

doi:10.1117/12.594648

15 April 2005 Navigating the fifth dimension: new concepts in interactive multimodality and multidimensional image navigation

Osman Ratib M.D., Antoine Rosset M.D., Magnus Dahlbom M.D., Johannes Czernin M.D.

Author Affiliations +

Proceedings Volume 5748, Medical Imaging 2005: PACS and Imaging Informatics; (2005) https://doi.org/10.1117/12.594648
Event: Medical Imaging, 2005, San Diego, California, United States

Abstract

Display and interpretation of multi dimensional data obtained from the combination of 3D data acquired from different modalities (such as PET-CT) require complex software tools allowing the user to navigate and modify the different image parameters. With faster scanners it is now possible to acquire dynamic images of a beating heart or the transit of a contrast agent adding a fifth dimension to the data. We developed a DICOM-compliant software for real time navigation in very large sets of 5 dimensional data based on an intuitive multidimensional jog-wheel widely used by the video-editing industry. The software, provided under open source licensing, allows interactive, single-handed, navigation through 3D images while adjusting blending of image modalities, image contrast and intensity and the rate of cine display of dynamic images. In this study we focused our effort on the user interface and means for interactively navigating in these large data sets while easily and rapidly changing multiple parameters such as image position, contrast, intensity, blending of colors, magnification etc. Conventional mouse-driven user interface requiring the user to manipulate cursors and sliders on the screen are too cumbersome and slow. We evaluated several hardware devices and identified a category of multipurpose jogwheel device that is used in the video-editing industry that is particularly suitable for rapidly navigating in five dimensions while adjusting several display parameters interactively. The application of this tool will be demonstrated in cardiac PET-CT imaging and functional cardiac MRI studies.

Citation Download Citation

Osman Ratib M.D., Antoine Rosset M.D., Magnus Dahlbom M.D., and Johannes Czernin M.D. "Navigating the fifth dimension: new concepts in interactive multimodality and multidimensional image navigation", Proc. SPIE 5748, Medical Imaging 2005: PACS and Imaging Informatics, (15 April 2005); https://doi.org/10.1117/12.594648

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