439 search results - page 18 / 88 » Alignment using Spectral Clusters |
ICASSP
2011
IEEE
13 years 1 months ago
2011
IEEE
We present a new wideband spectral envelope estimation framework for the artificial bandwidth extension problem. The proposed framework builds temporal clusters of the joint sub-...
ICIP
2009
IEEE
14 years 11 months ago
2009
IEEE
An unsupervised seabed segmentation algorithm for synthetic aperture sonar (SAS) imagery is proposed. Each 2 m ? 2 m area of seabed is treated as a unique data point. A set of fea...
MICCAI
2005
Springer
14 years 3 months ago
2005
Springer
Abstract. Image segmentation algorithms derived from spectral clustering analysis rely on the eigenvectors of the Laplacian of a weighted graph obtained from the image. The NCut cr...
NIPS
2001
13 years 11 months ago
2001
The popular K-means clustering partitions a data set by minimizing a sum-of-squares cost function. A coordinate descend method is then used to nd local minima. In this paper we sh...
ASPDAC
1999
ACM
14 years 2 months ago
1999
ACM
The spectral method can lead to a high quality of multi-way partition due to its ability to capture global netlist information. For spectral partition, n netlist modules are mappe...