Visualization of time-varying MRI data for MS lesion analysis

Melanie K. Tory; Torsten Moeller; M. Stella Atkins

doi:10.1117/12.428104

28 May 2001 Visualization of time-varying MRI data for MS lesion analysis

Melanie K. Tory, Torsten Moeller, M. Stella Atkins

Proceedings Volume 4319, Medical Imaging 2001: Visualization, Display, and Image-Guided Procedures; (2001) https://doi.org/10.1117/12.428104
Event: Medical Imaging 2001, 2001, San Diego, CA, United States

Abstract

Conventional methods to diagnose and follow treatment of Multiple Sclerosis require radiologists and technicians to compare current images with older images of a particular patient, on a slic-by-slice basis. Although there has been progress in creating 3D displays of medical images, little attempt has been made to design visual tools that emphasize change over time. We implemented several ideas that attempt to address this deficiency. In one approach, isosurfaces of segmented lesions at each time step were displayed either on the same image (each time step in a different color), or consecutively in an animation. In a second approach, voxel- wise differences between time steps were calculated and displayed statically using ray casting. Animation was used to show cumulative changes over time. Finally, in a method borrowed from computational fluid dynamics (CFD), glyphs (small arrow-like objects) were rendered with a surface model of the lesions to indicate changes at localized points.

Citation Download Citation

Melanie K. Tory, Torsten Moeller, and M. Stella Atkins "Visualization of time-varying MRI data for MS lesion analysis", Proc. SPIE 4319, Medical Imaging 2001: Visualization, Display, and Image-Guided Procedures, (28 May 2001); https://doi.org/10.1117/12.428104

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