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COMPGEOM
1994
ACM
13 years 9 months ago
Computing Envelopes in Four Dimensions with Applications
Let F be a collection of n d-variate, possibly partially defined, functions, all algebraic of some constant maximum degree. We present a randomized algorithm that computes the vert...
Pankaj K. Agarwal, Boris Aronov, Micha Sharir
KDD
1998
ACM
200views Data Mining» more  KDD 1998»
13 years 9 months ago
Fast Computation of 2-Dimensional Depth Contours
"Oneperson's noise is another person's signal." For manyapplications, including the detection of credit card frauds and the monitoringof criminal activities in...
Theodore Johnson, Ivy Kwok, Raymond T. Ng
ISWC
2005
IEEE
13 years 10 months ago
Pictorial Depth Cues for Outdoor Augmented Reality
This paper presents and evaluates a set of pictorial depth cues for far-field outdoor mobile augmented reality (AR). We examine the problem of accurately placing virtual annotatio...
Jason Wither, Tobias Höllerer
SADM
2011
12 years 12 months ago
Random survival forests for high-dimensional data
: Minimal depth is a dimensionless order statistic that measures the predictiveness of a variable in a survival tree. It can be used to select variables in high-dimensional problem...
Hemant Ishwaran, Udaya B. Kogalur, Xi Chen, Andy J...
ICCV
2007
IEEE
14 years 6 months ago
Toward Reconstructing Surfaces With Arbitrary Isotropic Reflectance : A Stratified Photometric Stereo Approach
We consider the problem of reconstructing the shape of a surface with an arbitrary, spatially varying isotropic bidirectional reflectance distribution function (BRDF), and introdu...
Neil G. Alldrin, David J. Kriegman