3D catheter path reconstruction from biplane angiograms

M. Carmen Molina; Guido P. M. Prause; Petia Radeva; Milan Sonka

doi:10.1117/12.310929

24 June 1998 3D catheter path reconstruction from biplane angiograms

M. Carmen Molina, Guido P. M. Prause, Petia Radeva, Milan Sonka

Proceedings Volume 3338, Medical Imaging 1998: Image Processing; (1998) https://doi.org/10.1117/12.310929
Event: Medical Imaging '98, 1998, San Diego, CA, United States

Abstract

The 3D coronary vessels can be reconstructed by means of different cardiac imaging modalities. Two of the most widely used modalities for the purpose of coronary tree reconstruction are intravascular ultrasounds (IVUS) and biplane angiography. Current 3D vessel reconstruction based on IVUS pullback imaging is limited by the lack of information about the real vessel curvature, because the path of the catheter is assumed to be a straight line. This limitation can be overcome if information from an IVUS sequence is fused with a biplane X-ray image of the catheter acquired at the start of the pullback procedure. This work focuses on the reconstruction of the catheter path from biplane angiograms. This reconstruction represents the 3D path followed by the catheter inside the vessel of interest. While other approaches reconstruct the vessel after it has been segmented in both images independently, our approach, based on the snakes technique, allows us to segment and reconstruct the catheter trajectory merging information from both images simultaneously. The result is a more robust reconstruction since 3D constraints can be used and no correspondence of points between the projections is required. This reconstruction will allow a posterior more exact combination of IVUS and biplane angiography image modalities.

Citation Download Citation

M. Carmen Molina, Guido P. M. Prause, Petia Radeva, and Milan Sonka "3D catheter path reconstruction from biplane angiograms", Proc. SPIE 3338, Medical Imaging 1998: Image Processing, (24 June 1998); https://doi.org/10.1117/12.310929

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