191 search results - page 24 / 39 » Periodic smoothing splines |
PG
2002
IEEE
15 years 4 months ago
2002
IEEE
An active contour model for parametric curve and surface approximation is presented. The active curve or surface adapts to the model shape to be approximated in an optimization al...
118
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CAD
2008
Springer
14 years 12 months ago
2008
Springer
When designing curves on surfaces the need arises to approximate a given noisy target shape by a smooth fitting shape. We discuss the problem of fitting a B-spline curve to a poin...
92
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TMI
2002
14 years 11 months ago
2002
We describe a method for computing a continuous time estimate of tracer density using list-mode positron emission tomography data. The rate function in each voxel is modeled as an ...
JCNS
2010
14 years 10 months ago
2010
State space methods have proven indispensable in neural data analysis. However, common methods for performing inference in state-space models with non-Gaussian observations rely o...
SIAMREV
2011
14 years 2 months ago
2011
This paper deals with efficient numerical representation and manipulation of differential and integral operators as symbols in phase-space, i.e., functions of space x and frequen...