Abstract

Multisection, dual-echo magnetic resonance (MR) transaxial images of blood vessels contain both anatomic and qualitative information about flow. Even so, the images are produced as a series of two-dimensional tomographic sections from which full visualization of connected structures is difficult. A computer algorithm was developed that automatically detects flowing blood based on pixel intensity and calculated T2 and provides reconstructed views of vessels while analyzing and displaying flow characteristics. Images of abdominal vessels, aortic aneurysms, and the heart were encoded by flow and color to demonstrate depth. In addition, these data were reconstructed to derive a more accurate assessment of patency. With this technique, transaxial images can be used to analyze flow patterns, determine patent areas, and visualize all levels of vessels in a single image.

Keywords

MedicineBlood flowVisualizationComputer visionMagnetic resonance imagingArtificial intelligenceGreat vesselsPixelBiomedical engineeringNuclear medicineRadiologyComputer science

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Publication Info

Year
1985
Type
article
Volume
157
Issue
3
Pages
727-733
Citations
45
Access
Closed

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J D Hale, Peter E. Valk, J C Watts et al. (1985). MR imaging of blood vessels using three-dimensional reconstruction: methodology.. Radiology , 157 (3) , 727-733. https://doi.org/10.1148/radiology.157.3.4059560

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DOI
10.1148/radiology.157.3.4059560