1148 search results - page 160 / 230 » Dimensionality Reduction with Image Data |
SMI
2007
IEEE
15 years 4 months ago
2007
IEEE
We address the 3D object retrieval problem using multivariate density-based shape descriptors. Considering the fusion of first and second order local surface information, we cons...
RT
2004
Springer
15 years 3 months ago
2004
Springer
We present a technique that uses culling and clamping (CC) for accelerating the performance of stencil-based shadow volume computation. Our algorithm reduces the fill requirement...
112
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SI3D
1992
ACM
15 years 1 months ago
1992
ACM
Designing the illumination of a scene is a di cult task because one needs to render the whole scene in order to look at the result. Obtaining the correct lighting e ects may requi...
TOG
2002
14 years 9 months ago
2002
Shadow maps are probably the most widely used means for the generation of shadows, despite their well known aliasing problems. In this paper we introduce perspective shadow maps, ...
108
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CIKM
2010
Springer
14 years 8 months ago
2010
Springer
In image retrieval, most existing approaches that incorporate local features produce high dimensional vectors, which lead to a high computational and data storage cost. Moreover, ...