作者
Zixiang Yang, Wei Tsang Ooi, Qibin Sun
发表日期
2004/6/30
研讨会论文
Multimedia and Expo, 2004. ICME'04. 2004 IEEE International Conference on
卷号
1
页码范围
743-746
出版商
IEEE
简介
Searching for similar video clips in large video database, or video identification, requires finding the nearest neighbor in high-dimensional feature space. Locality sensitive hashing, or LSH, is a well-known indexing method that allows us to efficiently find approximate nearest neighbor in such space. We address two weaknesses of LSH when applied to the video identification problem. We propose two enhancements to LSH, and show that our enhancements improve the performance of LSH significantly in terms of efficiency and accuracy.
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