3D catheter path reconstruction from biplane angiograms
作者： M. C. Molina , Guido P. M. Prause , Petia Radeva , Milan Sonka
DOI: 10.1117/12.310929
关键词: Pullback 、 Computer vision 、 Catheter 、 Iterative reconstruction 、 Intravascular ultrasound 、 Segmentation 、 Cardiac imaging 、 Angiography 、 Biomedical engineering 、 Artificial intelligence 、 Medicine 、 Biplane
摘要: The 3D coronary vessels can be reconstructed by means of different cardiac imaging modalities. Two the most widely used modalities for purpose tree reconstruction are intravascular ultrasounds (IVUS) and biplane angiography. Current vessel based on IVUS pullback is limited lack information about real curvature, because path catheter assumed to a straight line. This limitation overcome if from an sequence fused with X-ray image acquired at start procedure. work focuses angiograms. represents followed inside interest. While other approaches reconstruct after it has been segmented in both images independently, our approach, snakes technique, allows us segment trajectory merging simultaneously. result more robust since constraints no correspondence points between projections required. will allow posterior exact combination angiography modalities.© (1998) COPYRIGHT SPIE--The International Society Optical Engineering. Downloading abstract permitted personal use only.
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