18155 search results - page 199 / 3631 » Point |
BILDMED
2008
15 years 3 months ago
2008
Abstract. Scatterer detection in medical ultrasound imaging can be formulated as an inverse problem concerning a linear system model based on point scatterers. The applicability of...
WSCG
2003
15 years 3 months ago
2003
We describe techniques to establish local frames over point-sampled manifold surfaces. The tangential alignment of local frames is determined using a wave front algorithm starting...
106
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SODA
1990
ACM
15 years 3 months ago
1990
ACM
We investigate 3-d visibility problems in which the viewing position moves along a straight flightpath. Specifically we focus on two problems: determining the points along the fli...
117
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VMV
2007
15 years 3 months ago
2007
This article focuses on algorithms for fast computation of the Euclidean distance between a query point and a subdivision surface. The analyzed algorithms include uniform tessella...
123
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WCE
2007
15 years 3 months ago
2007
—One of main issues in point matching is the choice of the mapping function and the computation of its optimal hyperparameters. In this paper, we propose an attractive approach t...