174 search results - page 18 / 35 » Unsupervised Feature Selection for Text Data |
MM
2010
ACM
13 years 6 months ago
2010
ACM
Bag of features (BoF) representation has attracted an increasing amount of attention in large scale image processing systems. BoF representation treats images as loose collections...
AAAI
1998
13 years 9 months ago
1998
The problem of sequence categorization is to generalize from a corpus of labeled sequences procedures for accurately labeling future unlabeled sequences. The choice of representat...
IIS
2003
13 years 9 months ago
2003
Text clustering typically involves clustering in a high dimensional space, which appears difficult with regard to virtually all practical settings. In addition, given a particular...
PR
2011
12 years 10 months ago
2011
In the field of multimedia retrieval in video, text frame classification is essential for text detection, event detection, event boundary detection etc. We propose a new text fram...
ECCV
2010
Springer
14 years 23 days ago
2010
Springer
Abstract. This paper presents a simple, yet effective method of building a codebook for pairs of spatially close SIFT descriptors. Integrating such codebook into the popular bag-o...