1159 search results - page 170 / 232 » Effect of segmentation method on video retrieval performance |
SIGIR
2008
ACM
14 years 9 months ago
2008
ACM
Relevance feedback, which traditionally uses the terms in the relevant documents to enrich the user's initial query, is an effective method for improving retrieval performanc...
PAMI
2008
14 years 9 months ago
2008
We propose a novel adaptive technique for detecting moving shadows and distinguishing them from moving objects in video sequences. Most methods for detecting shadows work in a stat...
CVPR
2007
IEEE
15 years 12 months ago
2007
IEEE
We present a novel framework for tracking of a long sequence of human activities, including the time instances of change from one activity to the next, using a closed-loop, non-li...
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ICTAI
2006
IEEE
15 years 3 months ago
2006
IEEE
Enterprise corpora contain evidence of what employees work on and therefore can be used to automatically find experts on a given topic. We present a general approach for represen...
ECCV
2008
Springer
15 years 11 months ago
2008
Springer
Abstract. Sparse signal models learned from data are widely used in audio, image, and video restoration. They have recently been generalized to discriminative image understanding t...