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COMPGEOM
2001
ACM
14 years 21 days ago
A fully dynamic algorithm for planar
We show how to maintain the width of a set of n planar points subject to insertions and deletions of points in O( n log3 n) amortized time per update. Previously, no fully dynami...
Timothy M. Chan
ICCV
2007
IEEE
15 years 4 months ago
 A Component Based Deformable Model for Generalized Face Alignment
This paper presents a component based deformable model for generalized face alignment, in which a novel bistage statistical framework is proposed to account for both local and g...
Yuchi Huang, Qingshan Liu, Dimitris Metaxas
ICCV
2001
IEEE
14 years 11 months ago
Viewpoint Invariant Texture Matching and Wide Baseline Stereo
We describe and demonstrate a texture region descriptor which is invariant to affine geometric and photometric transformations, and insensitive to the shape of the texture region....
Frederik Schaffalitzky, Andrew Zisserman
COMPGEOM
2004
ACM
14 years 2 months ago
Solution of Scott's problem on the number of directions determined by a point set in 3-space
Let P be a set of n points in Ê3 , not all in a common plane. We solve a problem of Scott (1970) by showing that the connecting lines of P assume at least 2n − 7 different dir...
János Pach, Rom Pinchasi, Micha Sharir
TOG
2010
119views more  TOG 2010»
13 years 3 months ago
Automatic reconstruction of tree skeletal structures from point clouds
Trees, bushes, and other plants are ubiquitous in urban environments, and realistic models of trees can add a great deal of realism to a digital urban scene. There has been much r...
Yotam Livny, Feilong Yan, Matt Olson, Baoquan Chen...