An evidence combination approach to reconstruction of the left ventricle from two angiographic views

This paper reports a left ventricle three-dimensional reconstruction method from two orthogonal angiographic projections. In contrast to other left ventricle reconstruction methods, the proposed algorithm works in the three-dimensional (3D) space and considers the oblique projection geometry associated to the biplane image acquisition equipment. The reconstruction process starts by performing an approximate reconstruction based on the cylindrical closure operation and the Dempster-Shafer Theory. Then this approximate reconstruction is appropriately deformed to match the given projections. The deformation is done according to an iterative process where the information provided by the projection error and the connexity between voxels, are combined by means of the Dempster-Shafer and the Fuzzy Integral theory.

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