4529 search results - page 638 / 906 » Position Based Cryptography |
177
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CVPR
2008
IEEE
16 years 8 months ago
2008
IEEE
Unsupervised over-segmentation of an image into superpixels is a common preprocessing step for image parsing algorithms. Ideally, every pixel within each superpixel region will be...
181
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CVPR
2008
IEEE
16 years 8 months ago
2008
IEEE
This paper proposes a technique for estimating piecewise planar models of objects from their images and geometric constraints. First, assuming a bounded noise in the localization ...
204
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CVPR
2008
IEEE
16 years 8 months ago
2008
IEEE
Recently, a novel Log-Euclidean Riemannian metric [28] is proposed for statistics on symmetric positive definite (SPD) matrices. Under this metric, distances and Riemannian means ...
158
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ICCV
2007
IEEE
16 years 8 months ago
2007
IEEE
We propose to use high-level visual information to improve illuminant estimation. Several illuminant estimation approaches are applied to compute a set of possible illuminants. Fo...
177
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ICCV
2007
IEEE
16 years 8 months ago
2007
IEEE
Real-world actions occur often in crowded, dynamic environments. This poses a difficult challenge for current approaches to video event detection because it is difficult to segmen...