Design of causal IIR perfect reconstruction filter banks. - Xi Zhang 010; Toshinori Yoshikawa (ICASSP, 1998)

Design of symmetric orthonormal wavelet filters using a single complex allpass filter. - Xi Zhang 010; Toshinori Yoshikawa (ISCAS (3), 1999)

Design of orthonormal IIR wavelet filter banks using allpass filters. - Xi Zhang 010; Toshinori Yoshikawa (Signal Process., 1999)

Design of two-channel IIR linear phase PR filter banks. - Xi Zhang 010; Toshinori Yoshikawa (Signal Process., 1999)

Design of FIR Nyquist filters with low group delay. - Xi Zhang 010; Toshinori Yoshikawa (IEEE Trans. Signal Process., 1999)

Complex Chebyshev approximation for IIR digital filters. - Xi Zhang 010; Kazuyoshi Suzuki; Toshinori Yoshikawa (ISCAS, 2000)

Design of orthonormal symmetric wavelet filters using real allpass filters. - Xi Zhang 010; Tomonobu Muguruma; Toshinori Yoshikawa (Signal Process., 2000)

A new class of orthonormal symmetric wavelet bases using a complex allpass filter. - Xi Zhang 010; Akira Kato; Toshinori Yoshikawa (IEEE Trans. Signal Process., 2001)

Design of Full Band IIR Digital Differentiators. - Xi Zhang 010; Toshinori Yoshikawa (SIP, 2003)

Derivative-controlled design of linear-phase FIR filters via waveform moments. - Yoshinori Takei; Kouji Nagato; Toshinori Yoshikawa; Xi Zhang 010 (IEEE Trans. Signal Process., 2003)

Closed-form design of maxflat R-regular FIR Mth-band filters with arbitrary group delay using waveform moments. - Xi Zhang 010; Daisuke Kobayashi; Tatsuya Wada; Toshinori Yoshikawa; Yoshinori Takei (EUSIPCO, 2004)

Lossy to lossless image compression using allpass filters. - Xi Zhang 010; Kousuke Kawai; Toshinori Yoshikawa; Yoshinori Takei (ICIP (1), 2005)

Reducing Stopband Peak Errors of R-Regular 4th-Band Linear Phase FIR Filters by Superimposing. - LinnAung Pe; Toshinori Yoshikawa; Yoshinori Takei; Xi Zhang 010; Yasunori Sugita (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2006)

Closed-Form Design of Generalized Maxflat$R$-Regular FIR$M$th-Band Filters Using Waveform Moments. - Xi Zhang 010; Daisuke Kobayashi; Tatsuya Wada; Toshinori Yoshikawa; Yoshinori Takei (IEEE Trans. Signal Process., 2006)

Design of IIR orthogonal wavelet filter banks using lifting scheme. - Xi Zhang 010; Wei Wang 247; Toshinori Yoshikawa; Yoshinori Takei (IEEE Trans. Signal Process., 2006)