Comparison Between Several Approaches of Vascular Network Reconstruction from a Limited Number of Projections

An approach to the three-dimensional reconstruction of coronary arteries is presented. The principal objective is to show how modeling of a vascular network, together with algorithmic procedures, can lead to accurate 3-D structure and feature labeling. The labeling problem is stated directly within the 3-D reconstruction framework. The reconstruction ambiguities inherent to biplane techniques are solved by means of a knowledge base, modeling of the object, and heuristic rules. Feasibility in near-real situations has been demonstrated. The critical importance of the object 3-D reference to achieving the data and modeling matching is emphasized, and a way to deal with it is pointed out. The overall system implies an incremental development in methodologies and experiments. All of them have been elaborated and tested independently, and the most appropriate ones have been selected for integration into a modular system. All the stages of the process (calibration, segmentation, reconstruction, and display) are discussed, with the main focus on modeling. Examples of automatic reconstruction from a phantom are provided.

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A knowledge-based approach for 3-D reconstruction and labeling of vascular networks from biplane angiographic projections

Garreau

Coatrieux

Collorec

et al. 1991

IEEE Trans. Med. Imaging

102

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Comparison Between Several Approaches of Vascular Network Reconstruction from a Limited Number of Projections

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A knowledge-based approach for 3-D reconstruction and labeling of vascular networks from biplane angiographic projections

A knowledge-based approach for 3-D reconstruction and labeling of vascular networks from biplane angiographic projections

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