2007年度研究業績

• Osaga, S., Hirayama, J., Takenouchi, T., and Ishii, S. (2008)
  A probabilistic modeling of MOSAIC learning. 
  Artificial Life and Robotics, 12(1-2) , 167-171 
• Makino, K., Nakamura, Y., Shibata, T., Ishii, S. (2008)
  Adaptive Control of a Looper-like Robot based on the CPG-Actor-Critic Method. 
  Artificial Life and Robotics, 12(1-2) ,pp.129-132.
• Tomioka, N., Oba, S., Ohira, M., Misra, A., Fridlyland, J., Ishii, S., Nakamura, Y., Isogai, E., Hirata, T., Yoshida, Y., Todo, S., Kaneko, Y., Albertson, D. G., Pinkel, D., Feurstein, B. G., and Nakagawara, A. (2008) 
  Novel Risk Stratification of Patients with Neuroblastoma by Genomic Signature which is Independent of Molecular Signature.
  Oncogene, 27(4), pp.441-449.
• Yukinawa, N., Takenouchi, T., Oba, S. and Ishii, S. (2008)
  Combining multiple decisions: applications to bioinformatics.
  Journal of Physics: Conference Series, 95, pp.12-18.
• Hirayama, J., Maeda, S., and Ishii, S. (2007)
  Markov and Semi-Markov Switching of Source Appearances for Non-Stationary Independent Component Analysis. 
  IEEE Transactions on Neural Networks, 18(5), pp.1326-1342.
• Fujita, H., and Ishii, S. (2007)
  Model-based reinforcement learning for partially observable games with sampling-based state estimation.
  Neural Computation, 19(11), pp.3051-3087.
• Nakamura, Y., Mori, T., Sato, M., and Ishii, S. (2007)
  Reinforcement Learning for a Biped Robot Based on a CPG-Actor-Critic Method. 
  Neural Networks, 20(6), pp.723-735.
• Tanabe, A., Fukumizu, K., Oba, S., Takenouchi, T., and Ishii, S. (2007)
  Parameter Estimation for von Mises-Fisher Distributions.
  Computational Statistics, 22(1), pp. 145-157.

• Shibata, T., Hitomi, K., Nakamura, Y., and Ishii, S. (2007)
  Reinforcement Learning of Stable Trajectory for Quasi-Passive Dynamic Walking of an Unstable Biped Robot.
  In Mackel, M. Eds., Humanoid Robots: Human-like Machines, pp. 211-226, I-Tech Education and Publishing.

• Maeda, C., Oba, S., Yukinawa, N., and Ishii, S.(2008)
  Detection of multiple overlapping string-shaped objects using special clustering.
  International Symposium on Artificial Life and Robotics (AROB 13th '08), GS18-5.
• Taniguchi, Y., Mori, T., and Ishii, S. (2008)
  Continuous Internal-State Controller for a Partially Observable Linear Dynamical System.
  International Symposium on Artificial Life and Robotics (AROB 13th '08), GS1-1.
• Sodebayashi, K., Oba, S., and Ishii, S. (2008)
  Two-Way Factor Analysis for Missing Value Estimation of Matrix Data.
  International Symposium on Artificial Life and Robotics (AROB 13th '08), GS5-6.
• Ishihara, A., Hirayama, J., Takenouchi, T., and Ishii, S. (2008)
  A Unified Approach to Collaborative and Feature-based Recommendation based on Probabilistic Latant Semantic Models.
  International Symposium on Artificial Life and Robotics (AROB 13th '08), GS17-2.
• Nomura, H., Oba, S., and Ishii, S. (2008)
  Re-weighted ODP for differential gene expression analysis.
  International Symposium on Artificial Life and Robotics (AROB 13th '08), GS5-2.
• Furuya, M., Oba, S., and Ishii, S. (2008)
  Collaborative filtering based on a Weighted Maximum Margin Matrix Factorization.
  International Symposium on Artificial Life and Robotics (AROB 13th '08), GS14-5.
• Nanjoh, N., Mori, T., and Ishii, S. (2008)
  An effective reinforcement learning with automatic construction of basis function and sequential approximation.
  International Symposium on Artificial Life and Robotics (AROB 13th '08), GS2-3.
• Kazuhiro, T., Mori, T., and Ishii, S. (2008)
  Active Sampling based on Gaussian Process for Reinforcement Learning.
  International Symposium on Artificial Life and Robotics (AROB 13th '08), GS1-2.
• Yano, N., Shibata, T., and Ishii, S. (2008)
  Adaptive Particle Allocation for Multifocal Visual Attention based on Particle Filtering.
  International Symposium on Artificial Life and Robotics (AROB 13th '08), GS16-4.
• Ihara, M., Maeda, S. and Ishii, S. (2007)
  Instrument Identification in Monophonic Music Using Spectral Information.
  IEEE International Symposium on Signal Processing and Information Technology (ISSPIT), pp.607-611.
• Kanemura, A., Maeda, S. and Ishii, S. (2007)
  Image Superresolution under Spatially Structured Noise.
  IEEE International Symposium on Signal Processing and Information Technology (ISSPIT), pp.279-284.
• Takenouchi, T., Ishii, S. (2007)
  A multi-class classification with a probabilistic localized decoder.
  IEEE International Symposium on Signal Processing and Information Technology (ISSPIT), pp.861-865.
• Oba, S., Kawanabe, M., Mueller, K-R., and Ishii, S. (2007)
  Heterogeneous Component Analysis.
  Advances in Neural Information Processing Systems (NIPS 20),  Platt, J. C. et al. eds., MIT Press, Cambridge, MA, pp. 1097--1104.
• Hirayama, J., Nakatomi, M., Takenouchi, T., and Ishii, S. (2007) 
  Bayesian collaborative predictors for general user modeling tasks.
  International Conference on Neural Information Processing (ICONIP), LNCS 4984, pp.742–751.
• Maeda, S. and Ishii, S. (2007)
  Optimization of parametric companding function for an efficient coding.
  International Conference on Neural Information Processing (ICONIP), LNCS 4984, pp.713-722.
• T.Shibata, T.Bando and S.Ishii (2007)
  Visual tracking achieved by adaptive sampling from hierarchical and parallel predictions.
  International Conference on Neural Information Processing (ICONIP), LNCS 4984, pp.604-613.
• Y.Tsukada, Y.Sakumura and S.Ishii (2007) 
  Quantitative morphodynamic analysis of time-lapse imaging by edge evolution tracking.
  International Conference on Neural Information Processing (ICONIP), LNCS 4985 pp.817-826.
• Ishii, S., Yukinawa, N., Takenouchi, T., and Oba, S. (2007)
  Combining multiple decisions: applications to bioinformatics.
  The International Workshop on Statistical-Mechanical Informatics, pp. 151-161.
• Kanemura, A., Maeda, S., and Ishii, S. (2007) 
  Edge-Preserving Bayesian Image Superresolution Based on Compound Markov Random Fields. 
  International Conference on Artificial Neural Networks (ICANN), LNCS 4669, pp. 611-620.
• Taniguchi, Y., Mori, T., and Ishii, S. (2007) 
  Reinforcement Learning for Cooperative Actions in a Partially Observable Multi-Agent System. 
  International Conference on Artificial Neural Networks (ICANN), LNCS 4668, pp. 229-238.
• Maeda, S. and Ishii, S. (2007) 
  Convergence analysis of the EM algorithm and Joint minimization of free energy. 
  IEEE International Workshop on Machine Learning for Signal Processing (MLSP), pp.318-323.
• Kanemura, A., Maeda, S., and Ishii, S. (2007) 
  Hyperparameter Estimation in Bayesian Image Superresolution with a Compound Markov Random Field Prior. 
  IEEE International Workshop on Machine Learning for Signal Processing (MLSP), pp.181-186.
• Tamei, T., Ishii, S. and Shibata, T. (2007)
  Dynamic and Cooperative Interaction with a Robot that Possesses No Force/Tactile Sensors.
  International Conference on Advanced Robotics (ICAR 2007), pp.647-652.
• Takenouchi, T. and Ishii, S. (2007) 
  A Probabilistic Decoding Approach to Multi-Class Classification. 
  International Joint Conference on Neural Networks (IJCNN 2007) , p.1696.
• Ihara, M., Maeda, S., and Ishii, S. (2007) 
  Estimation of the Source-Filter Model Using Temporal Dynamics. 
  International Joint Conference on Neural Networks (IJCNN 2007) , p.1803.
• Takenouchi, T. and Ishii, S. (2007) 
  Multiclass Classification as a Decoding Problem. 
  The First IEEE Symposium on Foundations of Computational Intelligence (FOCI'07), pp. 470-475.
• Osaga, S., Hirayama, J., Takenouchi, T., and Ishii, S. (2007) 
  A Probabilistic Model of MOSAIC. 
  The First IEEE Symposium on Foundations of Computational Intelligence (FOCI'07), pp. 41-46

• 福田航，前田新一，兼村厚範，石井信 (2008)
  遷移する遮蔽下でのベイズ超解像.
  電子情報通信学会技術研究報告, NC2007-152, pp. 237-242.
• 大山賀己，竹之内高志，石井信 (2008)
  ECOC復号法に基づく階層的多値判別法.
  電子情報通信学会技術研究報告, NC2007-169, pp. 337-342.
• 野村啓仁，大羽成征，石井信 (2008)
  多重検定におけるODP統計量の有効な推定.
  電子情報通信学会技術研究報告, NC2007-174, pp. 367-372.
• 石原愛美，平山淳一郎，竹之内高志，石井信 (2008)
  アスペクトモデルに基づいた特徴ベース協調フィルタリング.
  人工知能学会研究会資料，SIG-FPAI-A703，pp. 59-63.
• 竹田 和博， 森 健，石井 信 (2008)
  ガウス過程を用いた能動サンプリングに基づく強化学習法.
  電子情報通信学会技術研究報告, vol. 107, no. 542, NC2007-192, pp. 473-478.
• 前田くれあ，大羽成征，行縄直人，石井信 (2008)
  実画像からの重なり合ったひも状オブジェクトの認識.
  電子情報通信学会技術研究報告, vol. 107, no. 413, NC2007-106, pp. 115-120.
• 佐藤友美, 大塩立華, 吉田和子, 石井信 (2008)
  他者の内部状態推定と行動予測を用いた意思決定モデル.
  電子情報通信学会技術研究報告, vol. 107, no. 413, NC2007-106, pp. 73-78.
• 山下哲矢, 前田新一, 竹之内高志, 石井信 (2008)
  1分子蛍光イメージングに対する尤度比検定を用いたアプローチ.
  電子情報通信学会技術研究報告, vol. 107, no. 413, NC2007-106, pp. 7-12.
• 橋崎知，柴田智広，石井信 (2007)
  確率的外乱下における準受動歩行の強化学習. 
  第 8 回 計測自動制御学会 (SICE) システムインテグレーション部門講演会予稿集, 1G2-1(CD-ROM)
• 井原瑞希，前田新一，石井信 (2007)
  単旋律楽曲における機械学習を用いた楽器音の音源同定.
  Proceedings of the 26th Meeting of Special Interest Group on AI Challenges （第26回 AIチャレンジ研究会）, SIG-Challenge-A702, pp.52-58.
• 袖林和宏，大羽成征，石井信 (2007)
  二方向因子分析による行列データの欠損予測.
  情報論的学習理論ワークショップ(IBIS2007)予稿集, pp.91-96
• 大羽成征，石井信 (2007)
  隠れ変数モデルに基づく同時検定用統計量最適化.
  情報論的学習理論ワークショップ(IBIS2007)予稿集, pp.35-42
• 大羽成征，石井信. (2007)
  多重検定のための検定統計量最適化：隠れ変数を仲立ちとした情報共有に基く新しいアプローチについて.
  統計関連学会連合大会講演報告集, p.258.
• 袖林和広，大羽成征，石井信. (2007)
  二方向因子分析による欠測データ予測.
  統計関連学会連合大会講演報告集, p.251.
• 竹之内高志，石井信. (2007)
  ECOCに基づく多値判別法の局所化.
  統計関連学会連合大会予稿集, p.158.
• 鹿内 学，石井 信，柴田智広．(2007)
  Human vision can predict semi-random but linear process．
  Neuro2007.
• 谷口 雄基, 森 健, 石井 信. (2008)
  内部状態を用いた強化学習によるマルチエージェント系における協調行動の獲得.
  電子情報通信学会技術研究報告, vol. 107, no. 92, NC2007-15, pp. 41-45.
• 森 健, 前田 新一, 石井 信. (2008)
  エピソードタスクにおける方策オフ型 LSTD(λ) 法とその収束性.
  電子情報通信学会技術研究報告, vol. 107, no. 92, NC2007-14, pp. 35-40.
• 大羽 成征, 冨岡 伸元, 大平 美紀, 石井 信. (2007) 
  アレイ比較ゲノムデータ正規化手法Combfitについて. 
  情報処理学会研究報告2007-BIO-9バイオ情報学研究会, pp. 9-16.