理学部情報科学科

メニュー

伊藤 登/教授

氏名

伊藤 登

経歴

  • 1991年3月 東北大学大学院電子工学専攻博士課程修了.工学博士
  • 1991年4月~1992年3月 豊橋技術科学大学情報工学系文部教官助手
  • 1992年4月~1994年2月 理化学研究所基礎科学特別研究員
  • 1994年3月~1998年9月 東邦大学理学部情報科学科専任講師
  • 1998年4月~1999年3月 Visiting Professor, University of Victoria, Canada
  • 1998年10月~2007年3月 東邦大学理学部情報科学科助教授
  • 2007年4月 東邦大学理学部情報科学科教授

専門分野

信号処理

主な研究課題

  • 可変非整数遅延フィルタの設計と画像補間
  • 音色可変・環境適応型ディジタル補聴器の開発
  • 広帯域ディジタル信号補間器の最適設計

主な研究業績

<論文>
[1] T.-B. Deng, "Decoupling minimax design of low-complexity variable fractional-delay FIR digital filters," IEEE Trans. Circuits Syst. I: Regular Papers (accepted).
[2] T.-B. Deng, "Closed-form mixed design of high-accuracy all-pass variable fractional-delay digital filters," IEEE Trans. Circuits Syst. I: Regular Papers, vol. 58, no. 6, Jun. 2011.
[3] T.-B. Deng, "High-accuracy length-6 cubic interpolators," IEEE Trans. Signal Processing Letters, vol. 17, no. 11, pp. 925-928, Nov. 2010.
[4] T.-B. Deng, "Minimax design of low-complexity allpass variable fractional-delay digital filters," IEEE Trans. Circuits Syst. I: Regular Papers, vol. 57, no. 8, pp. 2075-2086, Aug. 2010.
[5] T.-B. Deng, "Hybrid structures for low-complexity variable fractional-delay FIR filters," IEEE Trans. Circuits Syst. I: Regular Papers, vol. 57, no. 4, pp. 897-910, Apr. 2010.
[6] T.-B. Deng, "Three-channel variable filter-bank for digital hearing aids," IET Signal Processing, vol. 4, no. 2, pp. 181-196, Apr. 2010.
[7] T.-B. Deng, "Frequency-domain weighted-least-squares design of signal-dependent quadratic interpolators," IET Signal Processing, vol. 4, no. 1, pp. 102-111, Feb. 2010.
[8] T.-B. Deng, "Generalized WLS method for designing allpass variable fractional-delay digital filters," IEEE Trans. Circuits Syst. I: Regular Papers, vol. 56, no. 10, pp. 2207-2220, Oct. 2009.
[9] T.-B. Deng, "Robust structure transformation for causal Lagrange-type variable fractional-delay filters," IEEE Trans. Circuits Syst. I: Regular Papers, vol. 56, no. 8, pp. 1681-1688, Aug. 2009.
[10] T.-B. Deng, S. Chivapreecha, and K. Dejhan, "Unified Pascal matrix for first-order s-z domain transformations," IEEE Trans. Signal Processing, vol. 57, no. 6, pp. 2130-2139, Jun. 2009.
[11] T.-B. Deng, S. Chivapreecha, and K. Dejhan, "Generalized Pascal matrices, inverses, computations and properties using one-to-one rational polynomial s-z transformations," IEEE Trans. Circuits Syst. I: Regular Papers, vol. 55, no. 9, pp. 2650-2663, Oct. 2008.
[12] T.-B. Deng, "Symmetric structures for odd-order maximally flat and weighted-least-squares variable fractional-delay filters," IEEE Trans. Circuits Syst. I: Regular Papers, vol. 54, no. 12, pp. 2718-2732, Dec. 2007.
[13] T.-B. Deng, "Coefficient-symmetries for implementing arbitrary-order Lagrange-type variable fractional-delay digital filters," IEEE Trans. Signal Processing, vol. 55, no. 8, pp. 4078-4090, Aug. 2007.
[14] T.-B. Deng, Y. Lian, "Weighted-least-squares design of variable fractional-delay FIR filters using coefficient symmetry," IEEE Trans. Signal Processing, vol. 54, no. 8, pp. 3023-3038, Aug. 2006.
[15] T.-B. Deng, "Noniterative WLS design of allpass variable fractional-delay digital filters," IEEE Trans. Circuits Syst. I: Regular Papers, vol. 53, no. 2, pp. 358-371, Feb. 2006.
[16] T.-B. Deng, "Design of complex-coefficient variable digital filters using successive vector-array decomposition," IEEE Trans. Circuits Syst. I: Regular Papers, vol. 52, pp. 932-942, May 2005.
[17] T.-B. Deng, "Design of arbitrary-phase variable digital filters using SVD-based vector-array decomposition," IEEE Trans. Circuits Syst. I: Regular Papers, vol. 52, pp. 148-167, Jan. 2005.
[18] T.-B. Deng and Y. Nakagawa, "SVD-based design and new structures for variable fractional-delay digital filters," IEEE Trans. Signal Processing, vol. 52, pp. 2513-2527, Sep. 2004.
[19] T.-B. Deng, "Closed-form design and efficient implementation of variable digital filters with simultaneously tunable magnitude and fractional-delay," IEEE Trans. Signal Processing, vol. 52, pp. 1668-1681, Jun. 2004.
[20] T.-B. Deng and E. Okamoto, "SVD-Based design of fractional-delay 2-D digital filters exploiting specification symmetries," IEEE Trans. Circuits Syst. II: Analog and Digital Signal Processing, vol. 50, pp. 470-480, Aug. 2003.
[21] T.-B. Deng, "Design of linear-phase variable 2-D digital filters using matrix-array decomposition," IEEE Trans. Circuits Syst. II: Analog and Digital Signal Processing, vol. 50, pp. 267-277, Jun. 2003.
[22] T.-B. Deng, "Design and parallel implementation of FIR digital filters with simultaneously variable magnitude and non-integer phase-delay responses," IEEE Trans. Circuits Syst. II: Analog and Digital Signal Processing, vol. 50, pp. 243-250, May 2003.
[23] T.-B. Deng, E. Saito, and E. Okamoto, "Efficient design of SVD-based 2-D digital filters using specification symmetry and order-selecting criterion," IEEE Trans. Circuits Syst. I: Fundamental Theory and Applications, vol. 50, pp. 217-226, Feb. 2003.
[24] T.-B. Deng, "Discretization-free design of variable fractional-delay FIR digital filters," IEEE Trans. Circuits Syst. II: Analog and Digital Signal Processing, vol. 48, pp. 637-644, Jun. 2001.
[25] T.-B. Deng, "An improved method for designing variable recursive digital filters with guaranteed stability," Signal Processing, vol. 81, no. 2, pp. 439-446, Feb. 2001.
[26] T.-B. Deng, "Design of separable-denominator variable 2-D digital filters with guaranteed stability," Signal Processing, vol. 81, no. 1, pp. 219-225, Jan. 2001.
[27] T.-B. Deng, "Weighted least-squares method for designing arbitrarily variable 1-D FIR digital filters," Signal Processing, vol. 80, no. 4, pp. 597-613, Apr. 2000.
[28] T.-B. Deng and W.-S. Lu, "Weighted least-squares method for designing variable fractional delay 2-D FIR digital filters," IEEE Trans. Circuits Syst. II: Analog and Digital Signal Processing, vol. 47, pp. 114-124, Feb. 2000.
[29] W.-S. Lu and T.-B. Deng, "An improved weighted least-squares design for variable fractional delay FIR filters," IEEE Trans. Circuits Syst. II: Analog and Digital Signal Processing, vol. 46, pp. 1035-1040, Aug. 1999.
[30] T.-B. Deng, "Variable 2-D FIR digital filter design and parallel implementation," IEEE Trans. Circuits Syst. II: Analog and Digital Signal Processing, vol. 46, pp. 631-635, May 1999.
[31] T.-B. Deng, "Decomposition-based design of linear phase variable digital filters," IEEE Trans. Circuits Syst. I: Fundamental Theory and Applications, vol. 46, pp. 399-402, Mar. 1999.
[32] T.-B. Deng, "Design of variable 2-D linear phase recursive digital filters with guaranteed stability," IEEE Trans. Circuits Syst. I: Fundamental Theory and Applications, vol. 45, pp. 859-863, Aug. 1998.
[33] T.-B. Deng, "Design of arbitrarily variable 2-D digital filters using array-array decomposition," Signal Processing, vol. 66, no. 1, pp. 95-110, Apr. 1998.
[34] T.-B. Deng, "Design of linear phase variable 2-D digital filters using real-complex decomposition," IEEE Trans. Circuits Syst. II: Analog and Digital Signal Processing, vol. 45, pp. 330-339, Mar. 1998.
[35] T.-B. Deng, "New method for designing stable recursive variable digital filters," Signal Processing, vol. 64, no. 2, pp. 197-207, Jan. 1998.
[36] T.-B. Deng, "Design of recursive 1-D variable filters with guaranteed stability," IEEE Trans. Circuits Syst. II: Analog and Digital Signal Processing, vol. 44, pp. 689-695, Sep. 1997.
[37] T.-B. Deng, "Completely parallel realization for multidimensional digtal filters," Digital Signal Processing, vol. 7, no. 3, pp. 188-198, Jul. 1997.
[38] T.-B. Deng, "Decomposition-based design of linear phase 3-D digtal filters," Signal Processing, vol. 54, no. 2, pp. 119-128, Oct. 1996.
[39] T.-B. Deng and T. Soma, "Design of 2-D variable digtal filters with arbitrary magnitude characteristics," Signal Processing, vol. 43, no. 1, pp. 17-27, Apr. 1995.
[40] T.-B. Deng and T. Soma, "Design of zero-phase recursive 2-D variable filters with quadrantal symmetries," Multidimensional Systems and Signal Processing, vol. 6, no. 2, pp. 137-158, Apr. 1995.
[41] T.-B. Deng and T. Soma, "Variable digital filter design using the outer product expansion," IEE Proceedings, Vision, Image and Signal Processing, vol. 141, no. 2, pp. 123-128, Apr. 1994.
[42] J. Murakami, T.-B. Deng, and Y. Tadokoro, "Non-negative decomposition of specification matrices of two-dimensional digital filters by the power method," Trans. Information Processing, Japan, vol. 33, no. 5, pp. 717-721, May 1992.
[43] T.-B. Deng, J. Murakami, and Y. Tadokoro, "A novel non-negative decomposition method and its application to 2-D digital filter design," Multidimensional Systems and Signal Processing, vol. 5, no. 1, pp. 97-119, Jan. 1994.
[44] T.-B. Deng, M. Kawamata, and T. Higuchi, "Design of two-dimensional recursive digital filters based on the optimal decomposition of magnitude specifications," Circuits, Systems, and Computers, vol. 3, no. 3, pp. 733-756, Sep. 1993.
[45] T.-B. Deng and T. Soma, "Successively linearized non-negative decomposition of 2-D filter magnitude design specifications," Digital Signal Processing, vol. 3, no. 2, pp. 125-138, Apr. 1993.
[46] T.-B. Deng and M. Kawamata, "Design of separable-denominator two-dimensional digital filters using the reduced-dimensional decomposition model," Multidimensional Systems and Signal Processing, vol. 3, no. 1, pp. 89-96, Feb. 1992.
[47] T.-B. Deng and M. Kawamata, "Frequency domain design of 2-D digital filters using the iterative singular value decomposition," IEEE Trans. Circuits Syst., vol. 38, pp. 1225-1228, Oct. 1991.
[48] T.-B. Deng and M. Kawamata, "Design of two-dimensional recursive digital filters based on the iterative singular value decomposition," Trans. IEICE Japan, vol. E73-E, pp. 882-892, Jun. 1990.
[49] T.-B. Deng and M. Kawamata, "Design of separable-denominator two-dimensional digital filters based on the reduced-dimensional decomposition of frequency domain specifications," Trans. IEICE Japan, vol. J72-A, pp. 1392-1399, Sep. 1989.
[50] International Conference Papers (Peer Reviewed): 102 papers (single author or first author).
 
<受賞>
Dr. Deng received the Best Paper Award at 2006 IEEE International Symposium on Communications and Information Technology (IEEE ISCIT'06 ), Oct. 19, 2006.

主な担当科目

信号処理
微分方程式論
線形システム
メディア生命科学概論
情報英語A,B
信号処理特論(大学院)

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