Segregated feedback with performance-based adaptive sampling for interactive news video retrieval
HB Luan, SY Neo, HK Goh, YD Zhang, SX Lin… - Proceedings of the 15th …, 2007 - dl.acm.org
Proceedings of the 15th ACM international conference on Multimedia, 2007•dl.acm.org
Existing video research incorporates the use of relevance feedback based on user-
dependent interpretations to improve the retrieval results. In this paper, we segregate the
process of relevance feedback into 2 distinct facets:(a) recall-directed feedback; and (b)
precision-directed feedback. The recall-directed facet employs general features such as text
and high level features (HLFs) to maximize efficiency and recall during feedback, making it
very suitable for large corpuses. The precision-directed facet on the other hand uses many …
dependent interpretations to improve the retrieval results. In this paper, we segregate the
process of relevance feedback into 2 distinct facets:(a) recall-directed feedback; and (b)
precision-directed feedback. The recall-directed facet employs general features such as text
and high level features (HLFs) to maximize efficiency and recall during feedback, making it
very suitable for large corpuses. The precision-directed facet on the other hand uses many …
Existing video research incorporates the use of relevance feedback based on user-dependent interpretations to improve the retrieval results. In this paper, we segregate the process of relevance feedback into 2 distinct facets: (a) recall-directed feedback; and (b) precision-directed feedback. The recall-directed facet employs general features such as text and high level features (HLFs) to maximize efficiency and recall during feedback, making it very suitable for large corpuses. The precision-directed facet on the other hand uses many other multimodal features in an active learning environment for improved accuracy. Combined with a performance-based adaptive sampling strategy, this process continuously re-ranks a subset of instances as the user annotates. Experiments done using TRECVID 2006 dataset show that our approach is efficient and effective.
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