Title :
Design of wavelet based on waveform matching and its application to signal compression
Author :
Shi, Guangming ; Ding, Ailing ; Zhang, Ning
Author_Institution :
Sch. of Electron. Eng., Xidian Univ., Xi´´an, China
Abstract :
Wavelet transform is widely used in data compression. It is a useful method that constructs matched wavelets according to the features of signal for improving the compression ratio. A waveform matching criterion for constructing matched wavelets used for compressing one-dimensional signals is given. Based on the criteria, an optimal matched wavelet filter is constructed and an example of one-dimension signal compression is given. Compared with other wavelet filters, the matched wavelet is able to improve compression performance for a given signal.
Keywords :
channel bank filters; data compression; wavelet transforms; compression ratio; data compression; optimal matched wavelet filter; signal compression; waveform matching; wavelet transforms; Algorithm design and analysis; Data compression; Data engineering; Design engineering; Dictionaries; Filter bank; Matched filters; Optimal matching; Signal design; Wavelet transforms;
Conference_Titel :
Circuits and Systems, 2005. 48th Midwest Symposium on
Print_ISBN :
0-7803-9197-7
DOI :
10.1109/MWSCAS.2005.1594446
