190 search results - page 15 / 38 » Evaluating Clustering Algorithms: Cluster Quality and Featur... |
COMPGEOM
2006
ACM
14 years 1 months ago
2006
ACM
In this paper we develop an efficient implementation for a k-means clustering algorithm. The novel feature of our algorithm is that it uses coresets to speed up the algorithm. A ...
ICIP
1998
IEEE
14 years 9 months ago
1998
IEEE
Key frame extraction has been recognized as one of the important research issues in video information retrieval. Although progress has been made in key frame extraction, the exist...
PRL
1998
13 years 7 months ago
1998
A neuro-fuzzy methodology is described which involves connectionist minimization of a fuzzy feature evaluation index with unsupervised training. The concept of a ¯exible membersh...
CVPR
2006
IEEE
14 years 9 months ago
2006
IEEE
We present a method to automatically learn object categories from unlabeled images. Each image is represented by an unordered set of local features, and all sets are embedded into...
SPIESR
2004
13 years 9 months ago
2004
To allow efficient browsing of large image collections, we have to provide a summary of its visual content. We present in this paper a robust approach to organize image databases:...