Three-dimensional reconstruction from limited biplane angiographic projections: a phantom study

Anindya Sen; Hsiang-Hsin Hsiung; Beth A. Schueler; Richard E. Latchaw; Xiaoping Hu

doi:10.1117/12.237915

16 April 1996 Three-dimensional reconstruction from limited biplane angiographic projections: a phantom study

Anindya Sen, Hsiang-Hsin Hsiung, Beth A. Schueler, Richard E. Latchaw, Xiaoping Hu

Proceedings Volume 2710, Medical Imaging 1996: Image Processing; (1996) https://doi.org/10.1117/12.237915
Event: Medical Imaging 1996, 1996, Newport Beach, CA, United States

Abstract

A method for 3D cone beam reconstruction of cerebral vasculature (both morphology and grayscale) from a limited number (less than 10) of digital subtraction angiographic (DSA) projections obtained with a standard biplane C-arm x-ray system is described. The reconstruction method includes geometric calibration of the source and detector orientation, spatial image distortion correction, and algebraic reconstruction technique (ART) with non- negativity constraint. Accuracy of voxel gray scale values estimated by ART is enhanced by determination of weights based on the intersection volume between a pyramidal ray and cubic voxel. The reconstruction is accelerated by retaining only the vessel containing voxels and distributed computing. Reconstruction of a phantom containing fiducial markers at known 3D locations demonstrated that the reconstructed geometry is accurate to less than a pixel width. Reconstruction is also obtained from an anatomic skull phantom with an embedded cerebral vasculature reproduction that includes an aneurysm. Three dimensional reconstruction exhibited the necessary details, both structural and grayscale.

Citation Download Citation

Anindya Sen, Hsiang-Hsin Hsiung, Beth A. Schueler, Richard E. Latchaw, and Xiaoping Hu "Three-dimensional reconstruction from limited biplane angiographic projections: a phantom study", Proc. SPIE 2710, Medical Imaging 1996: Image Processing, (16 April 1996); https://doi.org/10.1117/12.237915

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