3513 search results - page 536 / 703 » A Multigrid Approach to Image Processing |
180
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TMM
2011
15 years 1 months ago
2011
—Visual categorization is important to manage large collections of digital images and video, where textual metadata is often incomplete or simply unavailable. The bag-of-words mo...
178
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CVPR
2012
IEEE
13 years 9 months ago
2012
IEEE
In this paper, we propose a bilevel sparse coding model for coupled feature spaces, where we aim to learn dictionaries for sparse modeling in both spaces while enforcing some desi...
287
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CVPR
2012
IEEE
13 years 9 months ago
2012
IEEE
This paper proposes a novel approach to recognize object categories in point clouds. By quantizing 3D SURF local descriptors, computed on partial 3D shapes extracted from the poin...
222
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ICPR
2004
IEEE
16 years 7 months ago
2004
IEEE
ct We propose a new near-real time technique for 3D face pose tracking from a monocular image sequence obtained from an uncalibrated camera. The basic idea behind our approach is t...
171
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ASSETS
2009
ACM
16 years 1 months ago
2009
ACM
In this paper, we propose an automatic approach, complete with a prototype system, for supporting instant access to maps for local navigation by people with visual impairment. The...