695 search results - page 15 / 139 » Mixture model based contextual image retrieval |
SIGIR
2009
ACM
15 years 5 months ago
2009
ACM
Search and recommendation systems must include contextual information to effectively model users’ interests. In this paper, we present a systematic study of the effectiveness of...
CIKM
2009
Springer
15 years 5 months ago
2009
Springer
Information retrieval systems conventionally assess document relevance using the bag of words model. Consequently, relevance scores of documents retrieved for different queries a...
ICIP
2007
IEEE
16 years 28 days ago
2007
IEEE
Gaussian mixture models have been widely used in image segmentation. However, such models are sensitive to outliers. In this paper, we consider a robust model for image segmentati...
SIGIR
2002
ACM
14 years 11 months ago
2002
ACM
This work proposes a model for video retrieval based upon the inference network model. The document network is constructed using video metadata encoded using MPEG-7 and captures i...
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ISBI
2002
IEEE
15 years 4 months ago
2002
IEEE
This paper describes a statistical iterative reconstruction method for X-ray CT based on a physical model that accounts for the polyenergetic X-ray source spectrum and the measure...