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- W2912558579 abstract "of preoperative data with intraoperative fluoroscopic images has been shown to reduce contrast agent, radiation dose and procedure time during endovascular repair of aortic aneurysms. However, the quality of the fusion may deteriorate due to often severe deformations of the vasculature caused by instruments such as stiff wires. To adapt the preoperative information intraoperatively to these deformations, the 3D positions of the inserted instruments are required. In this work, we propose a reconstruction method for stiff wires that requires only a single monoplane acquisition, keeping the impact on the clinical workflow to a minimum. To this end, the wire is segmented in the available X-ray image. To allow for a reconstruction in 3D, we then estimate a virtual second view of the wire orthogonal to the real projection based on vessel centerlines from a preoperative computed tomography. Using the real and estimated wire positions, we reconstruct the catheter using epipolar geometry. We achieve a mean modified Hausdorff distance of 4.1mm between the 3D reconstruction and the true wire course" @default.
- W2912558579 created "2019-02-21" @default.
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- W2912558579 date "2019-01-01" @default.
- W2912558579 modified "2023-09-26" @default.
- W2912558579 title "3D-Reconstruction of Stiff Wires from a Single Monoplane X-Ray Image" @default.
- W2912558579 cites W189728426 @default.
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- W2912558579 doi "https://doi.org/10.1007/978-3-658-25326-4_37" @default.
- W2912558579 hasPublicationYear "2019" @default.
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