280 search results - page 42 / 56 » Approximate nearest neighbors using sparse representations |
108
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CORR
2011
Springer
14 years 1 months ago
2011
Springer
We analyze and improve low rank representation (LRR), the state-of-the-art algorithm for subspace segmentation of data. We prove that for the noiseless case, the optimization mode...
118
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PPOPP
2011
ACM
14 years 14 days ago
2011
ACM
The sparse grid discretization technique enables a compressed representation of higher-dimensional functions. In its original form, it relies heavily on recursion and complex data...
ICCV
2003
IEEE
15 years 11 months ago
2003
IEEE
Recent developments in computer vision have shown that local features can provide efficient representations suitable for robust object recognition. Support Vector Machines have be...
TSP
2008
14 years 9 months ago
2008
This article introduces the concept of sensing dictionaries. It presents an alteration of greedy algorithms like thresholding or (Orthogonal) Matching Pursuit which improves their...
PAMI
2011
14 years 4 months ago
2011
—In this paper, we introduce a novel method to solve shape alignment problems. We use gray-scale “images” to represent source shapes, and propose a novel two-component Gaussi...