Junfeng Li's Publications

Selected Publications

• Ph.D. Thesis

  • Junfeng Li, "Noise Reduction Based on Microphone Array and Post-Filtering for Robust Hands-free Speech Recognition in Adverse Environments," Japan Advanced Institute of Science and Technology, March, 2006. (PDF file is avaliable upon request)

• Books

  • Junfeng Li, Masato Akagi, " Noise Reduction Based on Microphone Array and Post-Filtering: Theory, Implementation and Applications" VDM Publishing House Ltd., ISBN-NR.: 978-3-639-20483-4. (Amazon, Lovereading)

• Book Chapters

  • Naoki Kuroda, Junfeng Li, Yukio Iwaya, Masashi Unoki and Masato Akagi, “Effects of spatial cues on detectability of alarm signals in noisy environments,” The Principles and Applications of Spatial Hearing, Word Scientific Publisher, 2010.

  • Junfeng Li and Masato Akagi, "Noise Reduction Method Basd on Microphone Array and Post-filtering for Robust Speech Recognition in Car Environments," Advances for In-Vehicle and Mobile Systems: Challenges for International Standards, pp. 153-166, H. Abut, J.H.L. Hansen and K. Takeda (Eds.), Springer Science, New York, 2007.

  • Junfeng Li, Masato Akagi and Yôiti Suzuki, "Multi-channel Noise Reduction in Noisy Environments," Lecture Notes in Artificial Intelligence LNAI4274, pp. 258-269, Springer-Verlag, 2006.

• Journal Papers

  • Junfeng Li, Lin Yang, Yi Hu, Masato Akagi, Philipos C. Loizou, Jianping Zhang and Yonghong Yan, “Comparative intelligibility investigation of single-channel noise reduction algorithms for Chinese, Japanese and English,” Submitted to The Journal of the Acoustical Society of America.

  • Yu Zhou, Junfeng Li, Yanqing Sun, Jianping Zhang, Yonghong Yan and Masato Akagi, “A hybrid speech emotion recognition system based on spectral and prosodic features,” To appear in IEICE Trans. on Fundamentals of Electronics, Communications and Computer Science.

  • Junfeng Li, Shuichi Sakamoto, Satoshi Hongo, Masato Akagi and Yôiti Suzuki, “Two-stage binaural speech enhancement with Wiener filter for high-quality speech communication,” To appear in Speech Communication. (ScienceDirect)

  • Junfeng Li, Shuichi Sakamoto, Satoshi Hongo, Masato Akagi and Yôiti Suzuki, "Adaptive beta-order generalized spectral subtraction for speech enhancement," Signal Processing, vol. 88, no. 11, pp. 2764-2776, Nov. 2008. (ScienceDirect)

  • Junfeng Li, Masato Akagi and Yôiti Suzuki, "A two-microphone noise reduction method in highly non-stationary multiple-noise-source environments," IEICE Trans. on Fundamentals of Electronics, Communications and Computer Science, vol. E91-A, no. 6, pp. 1337-1346, 2008. (Online)

  • Junfeng Li and Masato Akagi, "A hybrid microhpone array post-filter in a diffuse noise field," Applied Acoustics, vol. 69, no. 6, pp. 546-557, 2008. (ScienceDirect)

  • Junfeng Li and Masato Akagi, " Noise reduction method basd on generalized subtractive beamformer," Acoustical Science and Technology, vol. 27, no. 4, pp. 206-215, 2006. (Online)

  • Junfeng Li and Masato Akagi, "A noise reduction system based on hybrid noise estimation technique and post-filtering in arbitrary noise environments", Speech Communication, vol. 48, pp. 111-126, Feb. 2006. (ScienceDirect)

  • Junfeng Li and Yuming Jiang, "Adaptive Maintaining Cache Consistency on Proxy Server", Journal of Xidian University, vol. 30, no. 5, pp. 688-691, Oct. 2003. (in Chinese)

  • Junfeng Li and Yuming Jiang, "Synthesis of Realistic Virtual 3-D Human Face", Journal of Xidian University, vol. 30, no. 4, pp. 525-530, Aug. 2003. (in Chinese)

  • Junfeng Li and Yuming Jiang, "Adaptive-Level Memory Cache Technique on Proxy Server", Computer Application, vol. 10, pp.65-67, 2002. (in Chinese)

• Conference Papers

  • Duc Thanh Chau, Junfeng Li, Masato Akagi, "A DOA estimation approach based on equalization-cancellation theory," In Proc. Interspeech2010, Tokyo, Japan, September, 2010.

  • Junfeng Li, Shuichi Sakamoto, Satoshi Hongo, Masato Akagi and Yôiti Suzuki , “Two-stage binaural speech enhancement with Wiener filter based on equalization-cancellation model”, in Proc. WASPPA2009 --- IEEE Workshop on Applications of Signal Processing to Audio and Acoustics , pp. 133 - 136, New Paltz, New York, Oct. 2009.

  • Junfeng Li, Shuichi Sakamoto, Satoshi Hongo, Masato Akagi and Yôiti Suzuki , “Advancement of two-stage binaural speech enhancement for high-quality speech communication,” in Proc. The 10 th Western Pacific Acoustics Conference, Beijing, China, September, 2009.

  • Yu Zhou, Yanqing Sun, Junfeng Li, Jianping Zhang, Yonghong Yan, “Physiologically-inspired feature extraction for emotion recognition,” in Proc. Interspeech2009 , Brighton, UK, September, 2009.

  • Junfeng Li, Shuichi Sakamoto, Satoshi Hongo, Masato Akagi and Yôiti Suzuki , “Experimental evaluation of the two-stage binaural speech enhancement with Wiener filter for speech enhancement and sound localization,” in Proc. ISAAR2009 --- International Symposium on Auditory and Audiological Research, Denmark, August, 2009.

  • Junfeng Li, Qian-Jie Fu, Hui Jiang and Masato Akagi, "Psychoacoustically-motivated adaptive beta-order generalized spectral subtraction for cochlear implant patients," in Proc. ICASSP2009 - IEEE Conference on Acoustics, Speech, and Signal Processing, pp. 4665-4668, Taiwan, April 2009.

  • Junfeng Li, Shuichi Sakamoto, Satoshi Hongo, Masato Akagi and Yôiti Suzuki, "The improved TS-BASE approaches with interference compensation and their evaluations for speech enhancement," in Proc. ISCSLP2008-The 6th International Symposium on Chinese Spoken Language Processing, pp. 141-144, Kunming, China, December, 2008.

  • Junfeng Li, Ai Sasaki, Shuichi Sakamoto, Satoshi Hongo and Yôiti Suzuki, "Two-input two-output speech enhancement based on speech absence probability integratedly calculated from two input signals," in Proc. Inter-noise2008, Shanghai, China, October, 2008.

  • Junfeng Li, Hui Jiang and Masato Akagi, "Psychoacoustically-motivated adaptive beta-order generalized spectral subtraction based on data-driven optimization," in Proc. Interspeech2008, pp. 171-174, Brisbane, Australia, September, 2008.

  • Junfeng Li, Shuichi Sakamoto, Satoshi Hongo, Masato Akagi and Yôiti Suzuki, "Improved two-stage binaural speech enhancement based on accurate interference estimation for hearing aids," in Proc. International Hearing Aid Research Conference, Lake Tahoe, California, USA, August, 2008.

  • Junfeng Li, Masato Akagi and Yôiti Suzuki, "Extension of the two-microphone noise reduction method for binaural hearing aids," in Proc. International Conference on Audio, Language and Image Processing 2008, pp. 97-101, Shanghai, China, July, 2008.

  • Satoshi Hongo, Ai Sasaki, Shuichi Sakamoto, Junfeng Li and Yôiti Suzuki, "Two-input two-output speech enhancement method with binaural spacial information by using soft decision mask filter," in Proc. Forum Acousticum 2008, pp. 2263-2268, Paris, France, June, 2008.

  • Junfeng Li, Shuichi Sakamoto, Satoshi Hongo, Masato Akagi and Yôiti Suzuki, "A two-stage binaural speech enhancement approach for hearing aids with preserving binaural benefits in noisy environments," in Proc. Forum Acousticum 2008, pp. 723-727, Paris, France, June, 2008.

  • Ai Sasaki, Shuichi Sakamoto, Satoshi Hongo, Junfeng Li and Yôiti Suzuki, " Two-input two-output speech enhancement using adaptive filter and soft decision mask filter ," in Proc. the 3rd International Symposium on Medical, Bio- and Nano-Electronics , Sendai, Japan, March, 2008

  • Junfeng Li, Shuichi Sakamoto, Satoshi Hongo, Masato Akagi and Yôiti Suzuki, "A speech enhancement approach for binaural hearing aids," in Proc. the 22nd Signal Processing Symposium, pp. 263-268, Sendai, Japan, November, 2007.

  • Junfeng Li, Shuichi Sakamoto, Satoshi Hongo, Masato Akagi and Yôiti Suzuki, "Noise reduction based on adaptive beta-order generalized spectral subtraction for speech enhancement," in Proc. Eurospeech2007, pp. 802-805, Antwerp, Belgium, September, 2007.

  • Junfeng Li, Shuichi Sakamoto, Satoshi Hongo and Yôiti Suzuki, "Binaural speech enhancement for hearing aids," in Proc. JCA2007, p-2-7, Sendai, Japan, June, 2007. (Best Paper Award)

  • Junfeng Li, Masato Akagi and Yôiti Suzuki, "Multi-channel Noise Reduction in Noisy Environments," Lecture Notes in Artificial Intelligence (ISCSLP2006-The 5th International Symposium on Chinese Spoken Language Processing), pp. 258-269, Springer-Verlag, 2006.

  • Junfeng Li, Shuichi Sakamoto, Satoshi Hongo and Yôiti Suzuki, "A New Speech Enhancement Method for Two-input Two-output hearing aids," Journal of Acoustical Society of America, vol. 120, no. 5, 3aEA, pp. 3157, (The 4th Joint Meeting of Acoustical Society of America and Acoustical Society of Japan), Hawaii , USA , Nov. 2006. (Invited Paper, Best Student Paper Award)

  • Junfng Li, Masato Akagi and Yôiti Suzuki, "Noise Reduction Based on Microphone Array and Post-filtering for Robust Speech Recognition," in Proc. ICSP2006 - The 8th International Conference on Signal Processing, Guilin, China, Noverber 2006.

  • Junfeng Li, Masato Akagi and Yôiti Suzuki, "Improved Hybrid Microphone Array Post-filtering by Integrating a Robust Speech Absence Probability Estimator for Speech Enhancement," in Proc. ICSLP2006 - The 9th International Conference on Spoken Language Processing, pp. 2130-2133, in Pittsburgh, PA, USA, September 2006.

  • Junfeng Li, Masato Akagi and Yôiti Suzuki, "Noise Reduction Based on Generalized Subtractive Beamformer for Speech Enhancement," in Proc. WESPAC IX 2006 - The 9th Western Pacific Acoustics Conference, sp-2-2, p283, Seoul, Korea, June 2006.

  • Junfeng Li and Masato Akagi, " Theoretical Analysis of Microphone Arrays with Post-filering for Coherent and Incoherent Noise Suppression in Noisy Environments," in Proc. IWAENC2005 - International Workshop on Acoustic Echo and Noise Control , pp. 85-88, Eindhoven, The Netherlands, September 2005.

  • Junfeng Li and Masato Akagi, "A Hybrid Microphone Array Post-Filter in a Diffuse Noise Filed," in Proc. Eurospeech 2005 , pp. 2313-2316, Lisbon, Portugal, September 2005.

  • Junfeng Li, Xugang Lu and Masato Akagi, "Noise Reduction Based on Microphone Array and Post-filtering for Robust Speech Recognition in Car Enviornments," in Proc. Workshop on DSP in Mobile and Vehicular Systems, Sesimbra, Portugal, September 2005.

  • Junfeng Li, Xugang Lu and Masato Akagi, "A Noise Reduction System in Arbitrary Noise Environments and Its Applications to Speech Enhancement and Speech Recognition," in Proc. ICASSP2005 - IEEE Conference on Acoustics, Speech, and Signal Processing, pp. III 277- 280, Philadelphia, USA, March 2005.

  • Junfeng Li and Masato Akagi, "Suppressing Localized and Non-Localized Noises in Arbitrary Noise Environments," in Proc. 2005 Joint Workshop on Hands-Free Speech Communication and Microphone Arrays, New Jersey, USA, March 2005.

  • Junfeng Li and Masato Akagi, "Noise Reduction Using Hybrid Noise Estimation Techniques and Post-Filtering," in Proc. ICSLP 2004 - The 8th International Conference on Spoken Language Processing, pp. IV 2705-2708, Jeju Island, Korea, October 2004.

• Technical Reports

  • Lin Yang, Junfeng Li, Jianping Zhang, Yonghong Yan and Masato Akagi, “Effects of single-channel speech enhancement algorithms on Mandarin speech intelligibility”, Technical Report of IEICE, EA2009-6, pp. 85-89, Hokkaido, June, 2009.

  • Naoki, Kuroda, Junfeng Li, Yukio Iwaya, Masashi Unoki and Masato Akagi, "Effects of spatial cues on detectability of alarm signals in noisy environenments," Technical Report of IEICE, SP2009-3, pp. 43-48, Tokyo, March, 2009.

  • Junfeng Li, Shuichi Sakamoto, Satoshi Hongo, Masato Akagi and Yôiti Suzuki, "Evaluations of TS-BASE for speech enhancement and binaural benefits preservation," Technical Report of IEICE, EA2008-10, Toyama, October, 2008.

• Ai Sasaki, Shuichi Sakamoto, Satoshi Hongo, Junfeng Li, and Yôiti Suzuki, "Two-Input Two-Output Speech Enhancement Using Adaptive Filter," Technial Report of IEICE, EA2007-79, pp. 37-42, Kumamoto, November, 2007.

• Junfeng Li, Shuichi Sakamoto, Satoshi Hongo, Masato Akagi and Yôiti Suzuki, "Adaptive Beta-order Generalized Spectral Subtraction for Speech Enhancement," Technical Report of IEICE, EA2006-42, pp. 1-6, Sendai, August 2006.

• Junfeng Li and Masato Akagi, "A Noise Reduction Method Based on a Generalized Subtractive Beamformer," Technical Report of IEICE, EA2005-44, pp. 25-30, Sendai, August 2005.

• Junfeng Li and Masato Akagi, "A Noise Reduction System in Localized and Non-Localized Noise Environments", Technical Report of IEICE, EA2004-34, pp. 25-30, Sendai, August 2004.