145 search results - page 17 / 29 » Unsupervised Segmentation of Poisson Data |
ICCV
2007
IEEE
14 years 9 months ago
2007
IEEE
Unsupervised categorization of images or image parts is often needed for image and video summarization or as a preprocessing step in supervised methods for classification, trackin...
MM
2005
ACM
14 years 28 days ago
2005
ACM
Automatically extracting semantic content from audio streams can be helpful in many multimedia applications. Motivated by the known limitations of traditional supervised approache...
ESANN
2004
13 years 8 months ago
2004
Self-Organizing Maps (SOM) are very powerful tools for data mining, in particular for visualizing the distribution of the data in very highdimensional data sets. Moreover, the 2D m...
ICCV
2011
IEEE
12 years 7 months ago
2011
IEEE
Low-Rank Representation (LRR) [16, 17] is an effective method for exploring the multiple subspace structures of data. Usually, the observed data matrix itself is chosen as the dic...
ICIP
2003
IEEE
14 years 9 months ago
2003
IEEE
In this paper, we rely on the theory of marked point processes to perform an unsupervised road network extraction from optical and radar images. A road network is modeled by a Mar...