811 search results - page 2 / 163 » Avoiding Approximate Squares |
MOC
2011
13 years 2 months ago
2011
Using the concept of Geometric Weakly Admissible Meshes (see §2 below) together with an algorithm based on the classical QR factorization of matrices, we compute efficient points...
PG
2002
IEEE
14 years 10 days 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...
TSP
2008
13 years 7 months ago
2008
Abstract--Low-rank matrix approximation has applications in many fields, such as 2D filter design and 3D reconstruction from an image sequence. In this paper, one issue with low-ra...
CAD
2008
Springer
13 years 7 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...
CVPR
2012
IEEE
11 years 10 months ago
2012
IEEE
We propose an energy-based framework for approximating surfaces from a cloud of point measurements corrupted by noise and outliers. Our energy assigns a tangent plane to each (noi...