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FOCM
2002
97views more  FOCM 2002»
15 years 6 months ago
On the Riemannian Geometry Defined by Self-Concordant Barriers and Interior-Point Methods
We consider the Riemannian geometry defined on a convex set by the Hessian of a selfconcordant barrier function, and its associated geodesic curves. These provide guidance for the...
Yu. E. Nesterov, Michael J. Todd
SMI
2010
IEEE
228views Image Analysis» more  SMI 2010»
15 years 4 months ago
Hierarchical Spline Approximation of the Signed Distance Function
We present a method to compute the medial axis of a smooth curve or surface by using PHT-spline (polynomial splines over hierarchical T-meshes) hierarchical approximation. In part...
Xinghua Song, Bert Jüttler, Adrien Poteaux
ICASSP
2011
IEEE
14 years 10 months ago
A new variational method for preserving point-like and curve-like singularities in 2-D images
We propose a new variational method to restore point-like and curvelike singularities in 2-D images. As points and open curves are fine structures, they are difficult to restore...
Daniele Graziani, Laure Blanc-Féraud, Gille...
CVPR
2003
IEEE
16 years 8 months ago
A Critical Configuration for Reconstruction from Rectilinear Motion
This paper investigates critical configurations for projective reconstruction from multiple images taken by a camera moving in a straight line. Projective reconstruction refers to...
Richard I. Hartley, Fredrik Kahl
CVPR
2003
IEEE
16 years 8 months ago
View Invariants for Human Action Recognition
This paper presents two approaches for the representation and recognition of human action in video, aiming for viewpoint invariance. The paper first presents new results using a 2...
Vasu Parameswaran, Rama Chellappa