791 search results - page 144 / 159 » Non-Linear Dimensionality Reduction |
145
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CVPR
2005
IEEE
16 years 6 months ago
2005
IEEE
In this paper, we present a novel approach to solving the supervised dimensionality reduction problem by encoding an image object as a general tensor of 2nd or higher order. First...
230
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GIS
2003
ACM
16 years 5 months ago
2003
ACM
With the proliferation of mobile computing, the ability to index efficiently the movements of mobile objects becomes important. Objects are typically seen as moving in two-dimensi...
237
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VLDB
2001
ACM
16 years 4 months ago
2001
ACM
Abstract. The optimized distance-based access methods currently available for multidimensional indexing in multimedia databases have been developed based on two major assumptions: ...
152
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CVPR
2010
IEEE
16 years 5 days ago
2010
IEEE
Linear Discriminant Analysis (LDA) is a popular tool for multiclass discriminative dimensionality reduction. However, LDA suffers from two major problems: (1) It only optimizes th...
136
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MM
2005
ACM
15 years 9 months ago
2005
ACM
We consider the problem of image representation and clustering. Traditionally, an n1 × n2 image is represented by a vector in the Euclidean space Rn1×n2 . Some learning algorith...