1. Refereed Papers
    1. published (including ``in press.'')
      1. T. Ikeguchi, Kazuyuki Aihara, Susumu Itoh and Toshio Utsunomiya: ``A Dimensional Analysis on Chaotic Neural Networks,'' Transactions of IEICE, Vol.J73-A, No.3, pp.486-494 (March 1990).
      2. Tohru Ikeguchi, Kazuyuki Aihara, Susumu Itoh and Toshio Utsunomiya: ``An Analysis on the Lyapunov Spectrum of Electroencephalographic (EEG) Potentials,'' Transactions IEICE, Vol.E73, No.6, pp.842-847 (June 1990).
      3. Tohru Ikeguchi, Kazuyuki Aihara and Takeshi Matozaki: ``The f(\alpha) spectrum of a chaotic neuron model,'' Transactions IEICE, Vol. E74, No.6, pp.1476-1478 (June 1991).
      4. A. Mees, K. Aihara, M. Adachi, K. Judd, T. Ikeguchi and G. Matsumoto: ``Deterministic Prediction and Chaos in Squid Axon Response,'' Phys. Lett. A, Vol.169, No.1 & 2, pp.41-45 (September 1992).
      5. Takeshi Matozaki and Tohru Ikeguchi: ``Appilcation of a Visualization Technique to Contouring Brain Substance in Medical CT Image,'' Japanese Journal of Medical Engineering¡¤Vol.33, No.1, pp.24-31 (1995).
      6. Tohru Ikeguchi and Kazuyuki Aihara: ``Prediction of Chaotic Time Series with Noise,'' Transactions IEICE, Vol. E78, No.10, pp.1291-1298 (1995).
      7. Takeshi Terasaki, Tohru Ikeguchi, Kazuyuki Aihara and Satoshi Tanaka: ``Analyses on Characteristics of Deterministic Nonliear Dynamics in Economic Time Series Data,'' Transactions of IEICE¡¤Vol.J78-A, No.12, pp.1601-1617 (1995)¡¥
      8. Mikio Hasegawa, Tohru Ikeguchi, Takeshi Matozaki and Kazuyuki Aihara: ``Improving image segmentation by chaotic dynamics,'' Transactions IEICE, Vol.E79, No.10 (1996).
      9. Satoshi Ogawa, Tohru Ikeguchi, Takeshi Matozaki and Kazuyuki Aihara: ``Nonlinear Modeling by Radial Basis Function Networks,'' Transactions IEICE, Vol.E79, No.10 (1996).
      10. Tohru Ikeguchi and Kazuyuki Aihara: ``Estimating correlation dimensions of biological time series using a reliable method,'' Journal of Intelligent and Fuzzy Systems, pp.33-52(1997).
      11. Masamune Satoh, Tohru Ikeguchi and Takeshi Matozaki: ``An Automatic Extraction Algorithm for Removing Uninterested Regions in Image Signals,'' IEICE Trans. Inf. & Sys., Vol.E80-D, No.1, pp.63-71 (1997).
      12. Mikio Hasegawa, Tohru Ikeguchi, Takeshi Matozaki and Kazuyuki Aihara: ``An Analysis of Additive Effects of Nonlinear Dynamics for Combinatorial Optimization,'' IEICE Trans. Fundamentals, Vol.E80-A, No.1, pp.206-213(1997).
      13. Tohru Ikeguchi and Kazuyuki Aihara: ``Difference correlation can distinguish deterministic chaos from 1/f^\alpha type colored noise,'' Physical Review E, Vol.55, No.3, pp.2530-2538(1997).
      14. Tohru Ikeguchi and Kazuyuki Aihara: ``On Dimension Estimates with Surrogate Data Sets,'' submitted to IEICE Trans., Vol.E80-A, No.5, pp.859-868(1997).
      15. Mikio Hasegawa, Tohru Ikeguchi, Takeshi Matozaki and Hitoshi Watatsu: ``Image Analysis by Polygonal-shape-block-segmentation,'' Transactions of IEICE, Vol.J80-DII, No.5, pp.1096-1104 (1997).
      16. Tohru Ikeguchi and Kazuyuki Aihara: ``Lyapunov Spectral Analysis on Random Data,'' International Journal of Bifurcation and Chaos, Vol.7, No.6 (1997).
      17. Mikio Hasegawa, Tohru Ikeguchi and Kazuyuki Aihara: ``Combination of Chaotic Neurodynamics with the 2-opt algorithm to soleve Traveling Salesman Problems,'' Physical Review Letters, Vol.79, No.12 (September 1997).
    2. submitted.
      1. Kazuyuki Aihara, Tohru Ikeguchi and Gen Matsumoto: ``Deterministic Nonlinear Dynamics of a Forced Oscillation Experimentally Observed with a Squid Giant Axon,'' submitted to International Journal of Bifurcation and Chaos, 1997.
    3. preprints, in preparation.
      1. Tohru Ikeguchi, Naoki Itoh, Masamune Satoh and Takeshi Matozaki: ``The 3-dimensional Clumsy Painter Method for Extracting Brain Tissues from MRI,''preprint,1997¡¥
      2. Tohru Ikeguchi, Masato Yanase, Mikio Hasegawa and Takeshi Matozaki: ``Extraction of Brain Tissues by Non-parametric Region Growing Method,'' preprint, 1997.
      3. Kazuyuki Aihara, Mikio Hasegawa and Tohru Ikeguchi: ``Solving Traveling Salesman Problems using Nonlinear Neuraldynamics,'' preprint, 1997.
      4. Tohru Ikeguchi and Kazuyuki Aihara: ``Nonlinear prediction on Interspike Interval Time Series Produced from Dynamical Systems,'' preprint, 1997.
      5. Tohru Ikeguchi, Miwako Nakashima, Mikio Hasegawa, Maho Kimura and Kazuyuki Aihara: ``Quantifying Recurrence Plots by Texture Analysis,'' preprint, 1997.
      6. Tohru Ikeguchi and Kazuyuki Aihara: ``Nonlinear prediction on seizmic seizure events,'' preprint, 1997.
      7. Tohru Ikeguchi and Kazuyuki Aihara: ``Local versus Global Plots on Lyapunov Spectra,'' preprint, 1997.
        8. in preparation.
      8. Tohru Ikeguchi and Kazuyuki Aihara: ``Dimensional analysis on asynchronous chaotic neural networks,'' in preparation, 1997.
      9. Tohru Ikeguchi and Kazuyuki Aihara: ``Nonlinear prediction on Electroencephalographic potentials,'' in preparation, 1997.
      10. Tohru Ikeguchi and Kazuyuki Aihara: ``Nonlinear prediction on asynchronous chaotic neural networks,'' in preparation, 1997.
      11. Tohru Ikeguchi, Taiji Yamada and Kazuyuki Aihara: ``Visualizing strange attractors by stereoscopic plots,'' in preparation, 1997.
      12. Tohru Ikeguchi, Mikio Hasegawa and Daisuke Hashimoto: ``Texture Analysis on Surrogate Images,'' in preparation, 1997.
      13. Tohru Ikeguchi and Mikio Hasegawa: ``An Analysis of SAR Images by the Method of Surrogate Data,'' in preparation, 1997.
      14. Tohru Ikeguchi: ``Identifying Personal Information with Surrogate Signatures,'' in preparation, 1997.
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