591 search results - page 88 / 119 » Computing fundamental groups from point clouds |
JAT
2007
14 years 10 months ago
2007
An irregular wavelet frame has the form W(ψ, Λ) = {a−1/2 ψ(x a − b)}(a,b)∈Λ, where ψ ∈ L2 (R) and Λ is an arbitrary sequence of points in the affine group A = R+ × ...
87
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ECCV
1998
Springer
16 years 23 days ago
1998
Springer
We describe a new projectively invariant representation of disjoint contour groups which is suitable for shape-based retrieval from an image database. It consists of simultaneous ...
112
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CVPR
2008
IEEE
16 years 28 days ago
2008
IEEE
In this paper, we present a novel approach for automatically learning a compact and yet discriminative appearance-based human action model. A video sequence is represented by a ba...
MLCW
2005
Springer
15 years 4 months ago
2005
Springer
This Chapter presents the PASCAL1 Evaluating Predictive Uncertainty Challenge, introduces the contributed Chapters by the participants who obtained outstanding results, and provide...
ICCV
2003
IEEE
16 years 25 days ago
2003
IEEE
We propose a principled account on multiclass spectral clustering. Given a discrete clustering formulation, we first solve a relaxed continuous optimization problem by eigendecomp...