683 search results - page 92 / 137 » Using High-Level Semantic Features in Video Retrieval |
SIGMOD
2010
ACM
14 years 7 months ago
2010
ACM
Effective keyword search on image databases is a major open problem, due to the inherent imprecision of keywords (tags) used to describe images' content. In this paper we pre...
ICASSP
2009
IEEE
15 years 4 months ago
2009
IEEE
In this paper a new approach for activity and dominance modeling in meetings is presented. For this purpose low level acoustic and visual features are extracted from audio and vid...
ICIAR
2004
Springer
15 years 3 months ago
2004
Springer
It is well known that the text that appears in a video scene or is graphically added to it is an important source of semantic information for indexing and retrieval, notably in the...
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CIKM
2001
Springer
15 years 2 months ago
2001
Springer
In recent years, the searching and indexing techniques for multimedia data are getting more attention in the area of multimedia databases. As many research works were done on the ...
ICTAI
2003
IEEE
15 years 3 months ago
2003
IEEE
We investigate two seemingly incompatible approaches for improving document retrieval performance in the context of question answering: query expansion and query reduction. Querie...