1595 search results - page 15 / 319 » Spherical Topic Models |
77
Voted
ICCV
2007
IEEE
15 years 11 months ago
2007
IEEE
Shape analysis requires invariance under translation, scale and rotation. Translation and scale invariance can be realized by normalizing shape vectors with respect to their mean ...
WWW
2008
ACM
15 years 10 months ago
2008
ACM
In this paper, we formally define the problem of topic modeling with network structure (TMN). We propose a novel solution to this problem, which regularizes a statistical topic mo...
IPM
2007
14 years 9 months ago
2007
Information retrieval systems consist of many complicated components. Research and development of such systems is often hampered by the difficulty in evaluating how each particula...
ICML
2007
IEEE
15 years 10 months ago
2007
IEEE
The four-level pachinko allocation model (PAM) (Li & McCallum, 2006) represents correlations among topics using a DAG structure. It does not, however, represent a nested hiera...
76
Voted
ICPR
2006
IEEE
15 years 10 months ago
2006
IEEE
Advances in medical imaging technique make it possible to study shape variations of neuroanatomical structures in vivo, which has been proved useful in the study of neuropathology...