999 search results - page 115 / 200 » Spectral simplex method |
EMNLP
2007
14 years 11 months ago
2007
We present a domain-independent unsupervised topic segmentation approach based on hybrid document indexing. Lexical chains have been successfully employed to evaluate lexical cohe...
ACL
2006
14 years 11 months ago
2006
We discuss Image Sense Discrimination (ISD), and apply a method based on spectral clustering, using multimodal features from the image and text of the embedding web page. We evalu...
ICIP
2010
IEEE
14 years 7 months ago
2010
IEEE
In this paper, we propose two-channel filter-bank designs for signals defined on arbitrary graphs. These filter-banks are local, invertible and critically sampled. Depending on th...
ICIP
2009
IEEE
14 years 7 months ago
2009
IEEE
We present a new method to jointly perform deblurring and colordemosaicing of RGB images. Our method is derived following an inverse problem approach in a MAP framework. To avoid ...
SIAMMAX
2010
14 years 4 months ago
2010
We investigate the structural, spectral, and sparsity properties of Stochastic Galerkin matrices as they arise in the discretization of linear differential equations with random co...