Abstract:Surface-based interpolation and registration, radiation treatment, and three-dimensional visualization of two-dimensional sliced data from CT or MRT require a precise reconstruction of three-dimensional organ surfaces from two-dimensional segmentation results. Current surface-reconstruction algorithms are based on surface triangulations using heuristics to correlate and connect adjacent object slices. The approaches described in the literature can be divided into triangulations using optimization procedures, D… Show more
“…Several landmarks in each slice have to be correlated and connected to their counterparts in the next one using matching vectors. The authors in [6] adopted this technique in their work. The contour-based 3-D modeling incorporates the following difficulties: anatomical correspondences between slices have to be explicitly defined, cross-over connections have to be eliminated, and the missing data between adjacent slices have to be compensated.…”
Section: -D Construction and Modeling Methodsmentioning
“…Several landmarks in each slice have to be correlated and connected to their counterparts in the next one using matching vectors. The authors in [6] adopted this technique in their work. The contour-based 3-D modeling incorporates the following difficulties: anatomical correspondences between slices have to be explicitly defined, cross-over connections have to be eliminated, and the missing data between adjacent slices have to be compensated.…”
Section: -D Construction and Modeling Methodsmentioning
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