A cepstrum prefiltering approach for DOA estimation of speech signal in reverberant environments. - Ryudo Nagase; Kunio Oishi; Toshihiro Furukawa (EUSIPCO, 2013)

Performance of cepstrum-based deconvolution for DOA estimation in the presence of room reverberation. - Ryudo Nagase; Kunio Oishi; Toshihiro Furukawa (GCCE, 2014)

Synchronous DS/CDMA of recursive oblique projectors using the Gram-Schmidt process. - Ryudo Nagase; Kunio Oishi; Toshihiro Furukawa (GCCE, 2017)

An Adaptation Rule for Approximate Oblique Projector and Its Application to Blind Adaptive Detector in DS/CDMA Communication. - Ryudo Nagase; Kunio Oishi; Toshihiro Furukawa (ISPACS, 2018)

Recursive Construction of an Oblique Projector Based on the Gram-Schmidt Process and its Application to Synchronous DS/CDMA Communication System. - Ryudo Nagase; Kunio Oishi; Toshihiro Furukawa (GCCE, 2019)