236 search results - page 45 / 48 » A feature re-weighting approach for relevance feedback in im... |
CIVR
2008
Springer
13 years 8 months ago
2008
Springer
Recent content-based video retrieval systems combine output of concept detectors (also known as high-level features) with text obtained through automatic speech recognition. This ...
ICCV
2007
IEEE
14 years 8 months ago
2007
IEEE
Linear Discriminant Analysis (LDA) has been a popular method for extracting features which preserve class separability. The projection vectors are commonly obtained by maximizing ...
WWW
2011
ACM
13 years 1 months ago
2011
ACM
Our objective is to improve the performance of keyword based image search engines by re-ranking their baseline results. To this end, we address three limitations of existing searc...
ECCV
2006
Springer
14 years 8 months ago
2006
Springer
Abstract. This contribution proposes a compositional approach to visual object categorization of scenes. Compositions are learned from the Caltech 101 database1 intermediate abstra...
CLEF
2008
Springer
13 years 8 months ago
2008
Springer
This paper reports our multimedia information retrieval experiments carried out for the ImageCLEF track (ImageCLEFwiki). The task is to answer to user information needs, i.e. quer...