280 search results - page 22 / 56 » Approximate nearest neighbors using sparse representations |
CVPR
2003
IEEE
15 years 11 months ago
2003
IEEE
Although linear representations are frequently used in image analysis, their performances are seldom optimal in specific applications. This paper proposes a stochastic gradient al...
187
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VLDB
2007
ACM
15 years 10 months ago
2007
ACM
Given a multidimensional point q, a reverse k nearest neighbor (RkNN) query retrieves all the data points that have q as one of their k nearest neighbors. Existing methods for proc...
CIARP
2007
Springer
15 years 3 months ago
2007
Springer
A crucial issue in dissimilarity-based classification is the choice of the representation set. In the small sample case, classifiers capable of a good generalization and the inje...
74
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ISBI
2008
IEEE
15 years 10 months ago
2008
IEEE
In this paper, we adress the question of decoding cognitive information from functional Magnetic Resonance (MR) images using classification techniques. The main bottleneck for acc...
109
Voted
ISVC
2009
Springer
15 years 4 months ago
2009
Springer
Abstract. We present an approach for articulated motion detection and pose estimation that uses only motion information. To estimate the pose and viewpoint we introduce a novel mot...