Musical noise reduction by spectral subtraction using morphological process (in Japanese) Yukihiro Nomura, Hideaki Tozawa, Jianming Lu, Hiroo Sekiya, and Takashi Yahagi IEICE Transactions on Information and Systems, vol.J89-D, no.5, pp.991-1000, May 2006. [Abstract | pdf] Improvement of speech enhancement using speech/noisedominant decision independent of SNR (in Japanese) Yukihiro Nomura, Jianming Lu, Hiroo Sekiya, and Takashi Yahagi Acoustical Science and Technology, vol.62, no.1, pp.12-22, Jan. 2006. [Abstract | pdf] Speech enhancement based on the dominant classification between speech and noise using feature data in spectrogram of observation signal (in Japanese) Yukihiro Nomura, Jianming Lu, Hiroo Sekiya, Takashi Yahagi IEEJ Transactions on Electronics, Infomation and Systems, vol.124-C, no.11, pp.2310-2319, Nov. 2004. [Abstract | pdf] A design method for noise canceller using recurrent neural filter (in Japanese) Yukihiro Nomura, Jianming Lu, Hiroo Sekiya, and Takashi Yahagi Journal of Signal Processing, vol.6, no.6, pp.401-410, Aug. 2002. [Abstract | pdf]

Blind dereverberation using correlation coefficients considering periodicity of voiced speech Tatsuhiro Iida, Yukihiro Nomura, Jianming Lu, Hiroo Sekiya, and Takashi Yahagi 2006 IEEE International Symposium on Circuits and Systems (ISCAS2006), pp.5539-5542, May 2006. [Abstract | pdf] Isolated word recognition using very simple recurrent neural network plus and noise compensation LPC analysis Yasuhiro Takahashi, Yukihiro Nomura, Jianming Lu, Hiroo Sekiya, and Takashi Yahagi 2006 RISP International Workshop on Nonlinear Circuit and Signal Processing (NCSP2006), Mar. 2006. [Abstract | pdf] Quantile based speech/noise-dominant decision for wavelet based speech enhancement Yukihiro Nomura, Jianming Lu, Hiroo Sekiya, and Takashi Yahagi International Workshop on Nonlinear Signal and Image Processing (NSIP2005), pp.513-516, May 2005. [Abstract | pdf] Musical noise reduction by spectral subtraction using morphological filter Yukihiro Nomura, Hideaki Tozawa, Noritaka Yamashita, Jianming Lu, Hiroo Sekiya and Takashi Yahagi 2005 RISP International Workshop on Nonlinear Circuit and Signal Processing (NCSP2005), pp.415-418, Mar. 2005. [Abstract | pdf] Speech/noise-dominant decision regardless of SNR for speech enhancemen Yukihiro Nomura, Jianming Lu, Hiroo Sekiya, and Takashi Yahagi 2004 RISP International Workshop on Nonlinear Circuits and Signal Processing(NCSP2004), pp.415-418, Mar. 2004. [Abstract | pdf] A new algorithm for speeding up overcomplete blind source separation Xiaowei Zhang, Jianming Lu, Nuo Zhang, Hiroo Sekiya and Takashi Yahagi 2003 International Symposium on Intelligent Signal Processing and Communication System (ISPACS2003), pp.255-258, Dec. 2003. [Abstract | pdf] Spectral subtraction based on speech/noise-dominant classification Yukihiro Nomura, Jianming Lu, Hiroo Sekiya, and Takashi Yahagi 2003 International Workshop on Acoustic Echo and Noise Control (IWAENC2003), pp.127-130, Sept. 2003. [Abstract | pdf] A design method for noise canceller using parallel recurrent neural filters Yukihiro Nomura, Jianming Lu, Hiroo Sekiya, and Takashi Yahagi 2002 International Symposium on Nonlinear Theory and its Applications (NOLTA2002), pp.1005-1008, Oct. 2002. [Abstract | pdf]

Blind dereverberation using correlation coefficients considering periodicity of voiced speech (in Japanese) Tatsuhiro Iida, Yukihiro Nomura, Jianming Lu, Hiroo Sekiya, and Takashi Yahagi IEICE Technical Committee on Engineering Acoustics, pp.13-17, Dec. 2005. [Abstract | pdf] Speech recognition using noise compensation LPC analysis (in Japanese) Yasuhiro Takahashi, Yukihiro Nomura, Jianming Lu, Hiroo Sekiya, and Takashi Yahagi 48th Proceedings of the Japan Joint Automatic Control Conference, pp.59-60, Nov. 2005. [Abstract | pdf] Musical noise reduction using morphology process in spectral subtraction (in Japanese) Hideaki Tozawa, Yukihiro Nomura, Noritaka Yamashita, Jianming Lu, Hiroo Sekiya, and Takashi Yahagi The 18th Workshop on Circuits and Systems in Karuizawa, pp.159-164, Apr. 2005. [Abstract | pdf] Speech enhancement based on iterative wavelet denoising (in Japanese) Hideaki Tozawa, Yukihiro Nomura, Jianming Lu, Hiroo Sekiya, Takashi Yahagi 47th Proceedings of the Japan Joint Automatic Control Conference, p.527, Nov. 2004. [Abstract | pdf] Speech/noise-dominant decision regardless of SNR (in Japanese) Yukihiro Nomura, Jianming Lu, Hiroo Sekiya, Takashi Yahagi 47th Proceedings of the Japan Joint Automatic Control Conference, p.526, Nov. 2004. [Abstract | pdf] Speech/noise-dominant decision regardless of SNR for speech enhancement (in Japanese) Yukihiro Nomura, Jianming Lu, Hiroo Sekiya, and Takashi Yahagi IEICE Technical Committee on Engineering Acoustics, pp.29-34, Apr. 2004. [Abstract | pdf]