TY - JOUR
T1 - 2 Dimensional recursive orthogonal wavelet transformation
AU - Yasuoka, Hiromichi
AU - Ikehara, Masaaki
PY - 1994/1/1
Y1 - 1994/1/1
N2 - The design of 2-Dimensional (2-D) recursive orthogonal wavelet based on iterated filter banks is investigated. To obtain orthogonal wavelet, we use the parallel connection of some delays and 2-D allpass filter. In this case, a pair of digital filters with orthogonal is obtained structurally and digital filters with arbitrarily orders can be designed. Furthermore a maximum number of zeros is put at aliasing frequencies in the lowpass filter to obtain regularity of the wavelet. Design examples of discrete scaling and wavelet functions are presented throughout.
AB - The design of 2-Dimensional (2-D) recursive orthogonal wavelet based on iterated filter banks is investigated. To obtain orthogonal wavelet, we use the parallel connection of some delays and 2-D allpass filter. In this case, a pair of digital filters with orthogonal is obtained structurally and digital filters with arbitrarily orders can be designed. Furthermore a maximum number of zeros is put at aliasing frequencies in the lowpass filter to obtain regularity of the wavelet. Design examples of discrete scaling and wavelet functions are presented throughout.
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U2 - 10.1109/ICASSP.1994.389858
DO - 10.1109/ICASSP.1994.389858
M3 - Conference article
AN - SCOPUS:85079185640
SN - 1520-6149
VL - 4
SP - IV113-IV116
JO - ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings
JF - ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings
M1 - 389858
T2 - Proceedings of the 1994 IEEE International Conference on Acoustics, Speech and Signal Processing. Part 2 (of 6)
Y2 - 19 April 1994 through 22 April 1994
ER -