1511 search results - page 254 / 303 » Hierarchical Graph Transformation |
108
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ICCV
2011
IEEE
13 years 9 months ago
2011
IEEE
Local photometric descriptors are a crucial low level component of numerous computer vision algorithms. In practice, these descriptors are constructed to be invariant to a class o...
CVPR
2000
IEEE
15 years 11 months ago
2000
IEEE
In this paper, we present a novel approach to robust skeleton extraction. We use undirected graphs to model connectivity of the skeleton points. The graph topology remains unchang...
ICCV
2007
IEEE
15 years 11 months ago
2007
IEEE
So far global optimization techniques have been developed independently for the tasks of shape matching and image segmentation. In this paper we show that both tasks can in fact b...
ICCV
2005
IEEE
15 years 11 months ago
2005
IEEE
We present an algorithm for detecting multiple rotational symmetries in natural images. Given an image, its gradient magnitude field is computed, and information from the gradient...
156
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SIGMOD
2009
ACM
15 years 10 months ago
2009
ACM
Wikipedia is an example of the large, collaborative, semi-structured data sets emerging on the Web. Typically, before these data sets can be used, they must transformed into struc...