Search audio data with the wavelet pyramidal algorithm
Search audio data with the wavelet pyramidal algorithm
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DOI:
10.1016/j.ipl.2004.01.020
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发表时间:
2004-07-16
影响因子:
0.5
通讯作者:
Hou, YB
中科院分区:
文献类型:
--
作者:
Li, Y;Hou, YB
To solve the problem of query-by-example in multimedia audio data, we analyze the characteristics of wavelet multiresolution, and propose a method for searching audio data using wavelet multiresolution pyramidal algorithm. First, we preprocess 100 audio data files by transforming them into wavelet coefficient files with audio data and query data. And then we search these wavelet coefficient files using the different hierarchy pyramidal algorithms. By comparing our method with the method using wavelet approximate coefficient algorithms, we found that our method is highly efficient and reduces the search time without influencing the retrieval precision. (C) 2004 Published by Elsevier B.V.