Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |

IBISML |
2011-11-09 15:45 |
Nara |
Nara Womens Univ. |
Decoding an Unknown Channel with Correlated Signals Jian-Qin Liu (NICT), Teruya Yamanishi (Fukui Univ. of Tech.), Haruhiko Nishimura (Univ. of Hyogo), Hiroaki Umehara (NICT) |
With respect to an unknown channel that is defined by correlated signals of the input and the output, the signals of a s... [more] |
IBISML2011-42 pp.1-4 |

IBISML |
2011-11-09 15:45 |
Nara |
Nara Womens Univ. |
Local Minima Structure of Variational Bayes Learning Fumito Nakamura, Sumio Watanabe (Tokyo Tech) |
Variational Bayes learning has good generalization performance as Bayes learning by relatively small
computational cost... [more] |
IBISML2011-43 pp.5-10 |

IBISML |
2011-11-09 15:45 |
Nara |
Nara Womens Univ. |
Asymptotic Eigenvalue Distribution of Random Matrix with Non-identical Variance Components Takashi Shinzato (Akita Pref. Univ.) |
[more] |
IBISML2011-44 pp.11-18 |

IBISML |
2011-11-09 15:45 |
Nara |
Nara Womens Univ. |
Learning a Graphical Structure with Clusters Satoshi Hara, Takashi Washio (Osaka Univ.) |
In this paper, we propose an estimation technique of a graphical model with some unknown clusters. We introduce a new re... [more] |
IBISML2011-45 pp.19-24 |

IBISML |
2011-11-09 15:45 |
Nara |
Nara Womens Univ. |
Relative Density-Ratio Estimation for Robust Distribution Comparison Makoto Yamada (Tokyo Inst. of Tech.), Taiji Suzuki (Univ. of Tokyo), Takafumi Kanamori (Nagoya Univ.), Hirotaka Hachiya, Masashi Sugiyama (Tokyo Inst. of Tech.) |
Divergence estimators based on direct approximation of density-ratios
without going through separate approximation of n... [more] |
IBISML2011-46 pp.25-32 |

IBISML |
2011-11-09 15:45 |
Nara |
Nara Womens Univ. |
Adaptive Markov Chain Monte Carlo for Auxiliary Variable Method and Its Application to Exchange Monte Carlo Method Takamitsu Araki, Takashi Takenouchi, Kazushi Ikeda (NAIST) |
For sampling from a complicated distribution, Auxiliary Variable Method, which contain Exchange Monte Carlo Method and C... [more] |
IBISML2011-47 pp.33-38 |

IBISML |
2011-11-09 15:45 |
Nara |
Nara Womens Univ. |
Approximate Reduction from AUC Maximization to 1-norm Soft Margin Optimization Daiki Suehiro, Kohei Hatano, Eiji Takimoto (Kyushu Univ.) |
Finding linear classifiers that maximize AUC scores is important in ranking research. This is naturally
formulated as ... [more] |
IBISML2011-48 pp.39-46 |

IBISML |
2011-11-09 15:45 |
Nara |
Nara Womens Univ. |
Kernel and Feature Search in Kernel PCA Alam Md. Ashad (SOKENDAI), Kenji Fukumizu (ISM) |
During the last decade, unsupervised learning has become an important application area of the kernel
methods. While the... [more] |
IBISML2011-49 pp.47-56 |

IBISML |
2011-11-09 15:45 |
Nara |
Nara Womens Univ. |
An Extension of Probabilistic PCA for Correlated Samples Kohei Hayashi (NAIST), Masanori Kawakita (Kyushu Univ), Kazushi Ikeda (NAIST) |
Principal component analysis (PCA) is one of dimensional reduction methods and has widely been used for feature extracti... [more] |
IBISML2011-50 pp.57-60 |

IBISML |
2011-11-09 15:45 |
Nara |
Nara Womens Univ. |
Active Value Function Estimation Based On Transition Probability Estimation Masahiro Kohjima (Tokyo Tech) |
It is considered to be a great importance in reinforcement learning to estimate value function precisely. In this study,... [more] |
IBISML2011-51 pp.61-66 |

IBISML |
2011-11-09 15:45 |
Nara |
Nara Womens Univ. |
Inferring the time-varying input signals and the hidden states from the membrane potential of a neuron Ryota Kobayashi (Ritsumeikan Univ.), Petr Lansky (Acad. of Sci. of the Czech), Shigeru Shinomoto (Kyoto Univ.) |
We consider an estimation problem of the time-varying input signals and the ion channel states from a voltage trace of a... [more] |
IBISML2011-52 pp.67-70 |

IBISML |
2011-11-09 15:45 |
Nara |
Nara Womens Univ. |
A kernel-based approach for matrix and tensor completion Kohei Hayashi, Takashi Takenouchi (NAIST), Ryota Tomioka, Hisashi Kashima (Univ. Tokyo) |
We study a new kernel-based framework for matrix and tensor completion problems. Our model provides a consistent way to ... [more] |
IBISML2011-53 pp.71-77 |

IBISML |
2011-11-09 15:45 |
Nara |
Nara Womens Univ. |
Modified Newton Approach to Policy Search Hirotaka Hachiya (Tokyo Inst. of Tech.), Tetsuro Morimura (IBM Japan), Takaki Makino (Univ. of Tokyo), Masashi Sugiyama (Tokyo Inst. of Tech.) |
The natural policy gradient method was shown to be a useful approach to policy search in reinforcement learning. However... [more] |
IBISML2011-54 pp.79-85 |

IBISML |
2011-11-09 15:45 |
Nara |
Nara Womens Univ. |
An Accuracy Analysis of Latent Variable Estimation with the Maximum Likelihood Estimator Keisuke Yamazaki (Tokyo Inst. of Tech.) |
Hierarchical learning models such as
mixture models and hidden Markov models
are widely used in machine learning and d... [more] |
IBISML2011-55 pp.87-91 |

IBISML |
2011-11-09 15:45 |
Nara |
Nara Womens Univ. |
Prismatic algorithm for discrete D.C. programming problem Yoshinobu Kawahara, Takashi Washio (Osaka Univ.) |
In this paper, we propose the first exact algorithm for minimizing the difference of two submodular functions (D.S.), {\... [more] |
IBISML2011-56 pp.93-98 |

IBISML |
2011-11-09 15:45 |
Nara |
Nara Womens Univ. |
Multiple Kernel Learning Based on Gaussianity Hideitsu Hino, Noboru Murata (Waseda Univ.) |
[more] |
IBISML2011-57 pp.99-104 |

IBISML |
2011-11-09 15:45 |
Nara |
Nara Womens Univ. |
Gaussian FoE model with correlations among color components Ryuta Murayama, Muneki Yasuda, Yuji Waizumi, Kazuyuki Tanaka (Tohoku Univ.) |
Color images consist of some color components such as RGB, YCbCr. They have been often treated independently in usual im... [more] |
IBISML2011-58 pp.105-111 |

IBISML |
2011-11-09 15:45 |
Nara |
Nara Womens Univ. |
Extraction of Damage Patterns of a Fuel Cell by Clustering Considering Co-occurrence between Events Daiki Inaba, Ken-ichi Fukui (Osaka Univ.), Kazuhisa Sato, Junichirou Mizusaki (Tohoku Univ.), Masayuki Numao (Osaka Univ.) |
Solid oxide fuel cell (SOFC) is an efficient generator and researched for practical use. However, one of the problems is... [more] |
IBISML2011-59 pp.113-122 |

IBISML |
2011-11-09 15:45 |
Nara |
Nara Womens Univ. |
Replica Symmetry Breaking in Compressed Sensing Koujin Takeda, Yoshiyuki Kabashima (Tokyo Tech.) |
In our preceding works, we provided a general framework for estimating the reconstruction limit in compressed sensing by... [more] |
IBISML2011-60 pp.123-126 |

IBISML |
2011-11-09 15:45 |
Nara |
Nara Womens Univ. |
Generalization of Matrix Factorization for Robust PCA Shinichi Nakajima (Nikon), Masashi Sugiyama (Tokyo Inst. of Tech.), Derin Babacan (Illinois Univ.) |
Principal component analysis (PCA) can be regarded as approximating a
data matrix with
a low-rank one by imposing spar... [more] |
IBISML2011-61 pp.127-134 |