Publications

The Event Horizon Telescope Collaboration (2022). First Sagittarius A* Event Horizon Telescope Results. VI. Testing the Black Hole Metric. The Astrophysical Journal Letters.

The Event Horizon Telescope Collaboration (2022). First Sagittarius A* Event Horizon Telescope Results. V. Testing Astrophysical Models of the Galactic Center Black Hole. The Astrophysical Journal Letters.

The Event Horizon Telescope Collaboration (2022). First Sagittarius A* Event Horizon Telescope Results. IV. Variability, Morphology, and Black Hole Mass. The Astrophysical Journal Letters.

The Event Horizon Telescope Collaboration (2022). First Sagittarius A* Event Horizon Telescope Results. III. Imaging of the Galactic Center Supermassive Black Hole. The Astrophysical Journal Letters.

The Event Horizon Telescope Collaboration (2022). First Sagittarius A* Event Horizon Telescope Results. II. EHT and Multiwavelength Observations, Data Processing, and Calibration. The Astrophysical Journal Letters.

The Event Horizon Telescope Collaboration (2022). First Sagittarius A* Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole in the Center of the Milky Way. The Astrophysical Journal Letters.

Akio Taniguchi, Yoichi Tamura, Shiro Ikeda, Tatsuya Takekoshi, Ryohei Kawabe (2021). A data-scientific noise-removal method for efficient submillimeter spectroscopy with single-dish telescopes. The Astronomical Journal.

Xiangchong Li, Naoki Yoshida, Masamune Oguri, Shiro Ikeda, Wentao Luo (2021). Three-dimensional Reconstruction of Weak-lensing Mass Maps with a Sparsity Prior. I. Cluster Detection. The Astrophysical Journal.

Masato Shirasaki, Kana Moriwaki, Taira Oogi, Naoki Yoshida, Shiro Ikeda, Takahiro Nishimichi (2021). Noise reduction for weak lensing mass mapping: An application of generative adversarial networks to Subaru Hyper Suprime-Cam first-year data. Monthly Notices of the Royal Astronomical Society.

Tomoki Omama, Makoto Uemura, Shiro Ikeda, Mikio Morii (2021). Extracting common signal components from the X-ray and optical light curves of GX 339-4: new view for anti-correlation. Publications of the Astronomical Society of Japan.

The Event Horizon Telescope Collaboration (2021). First M87 Event Horizon Telescope Results. VIII. Magnetic Field Structure near The Event Horizon. The Astrophysical Journal Letters.

The Event Horizon Telescope Collaboration (2021). First M87 Event Horizon Telescope Results. VII. Polarization of the Ring. The Astrophysical Journal Letters.

Ryou Ohsawa, Akira Hirota, Kohei Morita, Shinsuke Abe, Daniel Kastinen, Johan Kero, Csilla Szasz, Yasunori Fujiwara, Takuji Nakamura, Koji Nishimura, Shigeyuki Sako, Jun-ichi Watanabe, Tsutomu Aoki, Noriaki Arima, Ko Arimatsu, Mamoru Doi, Makoto Ichiki, Shiro Ikeda, Yoshifusa Ita, Toshihiro Kasuga, Naoto Kobayashi, Mitsuru Kokubo, Masahiro Konishi, Hiroyuki Maehara, Noriyuki Matsunaga, Takashi Miyata, Yuki Mori, Mikio Morii, Tomoki Morokuma, Kentaro Motohara, Yoshikazu Nakada, Shin-ichiro Okumura, Yuki Sarugaku, Mikiya Sato, Toshikazu Shigeyama, Takao Soyano, Hidenori Takahashi, Masaomi Tanaka, Ken'ichi Tarusawa, Nozomu Tominaga, Seitaro Urakawa, Fumihiko Usui, Takuya Yamashita, Makoto Yoshikawa (2020). Relationship between radar cross section and optical magnitude based on radar and optical simultaneous observations of faint meteors. Planetary and Space Science.

Makoto Uemura, Taisei Abe, Yurika Yamada, Shiro Ikeda (2020). Feature selection for classification of blazars based on optical photometric and polarimetric time-series data. Publications of the Astronomical Society of Japan.

Masataka Aizawa, Yasushi Suto, Yoko Oya, Shiro Ikeda, Takeshi Nakazato (2020). Search for Alignment of Disk Orientations in Nearby Star-forming Regions: Lupus, Taurus, Upper Scorpius, ρ Ophiuchi, and Orion. The Astrophysical Journal.

Masayuki Yamaguchi, Kazunori Akiyama, Takashi Tsukagoshi, Takayuki Muto, Akimasa Kataoka, Fumie Tazaki, Shiro Ikeda, Misato Fukagawa, Mareki Honma, Ryohei Kawabe (2020). Super-resolution Imaging of the Protoplanetary Disk HD 142527 Using Sparse Modeling. The Astrophysical Journal.

Takuma Kasai, Shunsuke Ono, Seizo Koshiba, Masayuki Yamamoto, Toshiyuki Tanaka, Shiro Ikeda, Takanori Kigawa (2020). Amino-acid selective isotope labeling enables simultaneous overlapping signal decomposition and information extraction from NMR spectra. Journal of Biomolecular NMR.

Yoshitomo Maeda, Ryo Iizuka, Takayuki Hayashi, Toshiki Sato, Nozomi Nakaniwa, Mai Takeo, Hitomi Suzuki, Manabu Ishida, Shiro Ikeda, Mikio Morii (2019). A concept for X-ray telescope system with an angular-resolution booster. Publications of the Astronomical Society of Japan.

Naoki Yasuda, Masaomi Tanaka, Nozomu Tominaga, Ji-an Jiang, Takashi J. Moriya, Tomoki Morokuma, Nao Suzuki, Ichiro Takahashi, Masaki S. Yamaguchi, Keiichi Maeda, Masao Sako, Shiro Ikeda, Akisato Kimura, Mikio Morii, Naonori Ueda, Naoki Yoshida, Chien-Hsiu Lee, Sherry H. Suyu, Yutaka Komiyama, Nicolas Regnault, David Rubin (2019). The Hyper Suprime-Cam SSP Transient Survey in COSMOS: Overview. Publications of the Astronomical Society of Japan.

The Event Horizon Telescope Collaboration (2019). The event horizon general relativistic magnetohydrodynamic code comparison project. Astrophysical Journal Supplement Series.

Masato Shirasaki, Naoki Yoshida, Shiro Ikeda (2019). Denoising Weak Lensing Mass Maps with Deep Learning. Physical Review D.

The Event Horizon Telescope Collaboration (2019). First M87 Event Horizon Telescope Results. VI. The Shadow and Mass of the Central Black Hole. The Astrophysical Journal Letters.

The Event Horizon Telescope Collaboration (2019). First M87 Event Horizon Telescope Results. V. Physical Origin of the Asymmetric Ring. The Astrophysical Journal Letters.

The Event Horizon Telescope Collaboration (2019). First M87 Event Horizon Telescope Results. IV. Imaging the Central Supermassive Black Hole. The Astrophysical Journal Letters.

The Event Horizon Telescope Collaboration (2019). First M87 Event Horizon Telescope Results. III. Data Processing and Calibration. The Astrophysical Journal Letters.

The Event Horizon Telescope Collaboration (2019). First M87 Event Horizon Telescope Results. II. Array and Instrumentation. The Astrophysical Journal Letters.

The Event Horizon Telescope Collaboration (2019). First M87 Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole. The Astrophysical Journal Letters.

Mikio Morii, Shiro Ikeda, Yoshitomo Maeda (2019). An image reconstruction method for X-ray telescope system with an angular resolution booster. Publications of the Astronomical Society of Japan.

Masayuki Yamaguchi, Kazunori Akiyama, Akimasa Kataoka, Misato Fukagawa, Takashi Tsukagoshi, Takayuki Muto, Shiro Ikeda, Hiroshi Nagai, Mareki Honma, Ryohei Kawabe (2018). Super-resolution imaging of the protoplanetary disk HD 142527 using sparse modeling. Proc. ADASS (Astronomical Data Analysis Software and Systems) XXVIII.

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Takeshi Nakazato, Shiro Ikeda, Kazunori Akiyama, George Kosugi, Masayuki Yamaguchi, Mareki Honma (2018). New synthesis imaging tool for ALMA based on the sparse modeling. Proc. ADASS (Astronomical Data Analysis Software and Systems) XXVIII.

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Mikio Morii, Shiro Ikeda, Yoshitomo Maeda (2018). Image reconstruction method for an X-ray telescope with an angular resolution booster. Proc. ADASS (Astronomical Data Analysis Software and Systems) XXVIII.

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Kazunori Akiyama, Takuya Akahori, Yoshimitsu Miyashita, Shinsuke Ideguchi, Ryosuke Yamaguchi, Shiro Ikeda, Keitaro Takahashi (2018). Faraday tomography with sparse modeling. arXiv.

George Kosugi, Takeshi Nakazato, Shiro Ikeda (2018). Acceleration of the Sparse Modeling imaging tool for ALMA radio interferometric data. Proc. ADASS (Astronomical Data Analysis Software and Systems) XXVIII.

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Shigeyuki Sako, Ryou Ohsawa, Hidenori Takahashi, Yuto Kojima, Mamoru Doi, Naoto Kobayashi, Tsutomu Aoki, Noriaki Arima, Ko Arimatsu, Makoto Ichiki, Shiro Ikeda, Kota Inooka, Yoshifusa Ita, Toshihiro Kasuga, Mitsuru Kokubo, Masahiro Konishi, Hiroyuki Maehara, Noriyuki Matsunaga, Kazuma Mitsuda, Takashi Miyata, Yuki Mori, Mikio Morii, Tomoki Morokuma, Kentaro Motohara, Yoshikazu Nakada, Shin-ichiro Okumura, Yuki Sarugaku, Mikiya Sato, Toshikazu Shigeyama, Takao Soyano, Masaomi Tanaka, Ken'ichi Tarusawa, Nozomu Tominaga, Tomonori Totani, Seitaro Urakawa, Fumihiko Usui, Junichi Watanabe, Takuya Yamashita, Makoto Yoshikawa (2018). The Tomo-e Gozen wide field CMOS camera for the Kiso Shmidt telescope. Proc. SPIE 10702, Ground-based and Airborne Instrumentation for Astronomy VII.

Yuto Kojima, Shigeyuki Sako, Ryou Ohsawa, Hidenori Takahashi, Mamoru Doi, Naoto Kobayashi, Tsutomu Aoki, Noriaki Arima, Ko Arimatsu, Makoto Ichiki, Shiro Ikeda, Kota Inooka, Yoshifusa Ita, Toshihiro Kasuga, Mitsuru Kokubo, Masahiro Konishi, Hiroyuki Maehara, Noriyuki Matsunaga, Kazuma Mitsuda, Takashi Miyata, Yuki Mori, Mikio Morii, Tomoki Morokuma, Kentaro Motohara, Yoshikazu Nakada, Shin-ichiro Okumura, Yuki Sarugaku, Mikiya Sato, Toshikazu Shigeyama, Takao Soyano, Masaomi Tanaka, Ken'ichi Tarusawa, Nozomu Tominaga, Tomonori Totani, Seitaro Urakawa, Fumihiko Usui, Junichi Watanabe, Takuya Yamashita, Makoto Yoshikawa (2018). Evaluation of large pixel CMOS image sensors for the Tomo-e Gozen wide field camera. Proc. SPIE 10709, High Energy, Optical, and Infrared Detectors for Astronomy VIII.

Kazuki Kuramochi, Kazunori Akiyama, Shiro Ikeda, Fumie Tazaki, Vincent L. Fish, Hung-Yi Pu, Keiichi Asada, Mareki Honma (2018). Superresolution interferometric imaging with sparse modeling using total squared variation -- Application to imaging the black hole shadow. The Astrophysical Journal.

Ryou Ohsawa, Shigeyuki Sako, Takashi Miyata, Takafumi Kamizuka, Kazushi Okada, Kiyoshi Mori, Masahito S. Uchiyama, Junpei Yamaguchi, Takuya Fujiyoshi, Mikio Morii, Shiro Ikeda (2018). ``Slow-scanning'' in ground-based mid-infrared observations. The Astrophysical Journal.

Yasuhiko Igarashi, Hikaru Takenaka, Yoshinori Nakanishi-Ohno, Makoto Uemura, Shiro Ikeda, Masato Okada (2018). Exhaustive search for sparse variable selection in linear regression. Journal of the Physical Society of Japan.

Yasuyuki Wakamatsu, Keisuke Isogai, Takashi Morita, Taichi Kato, Daisaku Nogami, Makoto Uemura, Shiro Ikeda (2018). New method of eclipse mapping and an application to HT Cas in the 2017 superoutburst. Proceedings of Science (The Golden Age of Cataclysmic Variables and Related Objects IV, 2017).

Tomoyuki Obuchi, Shiro Ikeda, Kazunori Akiyama, Yoshiyuki Kabashima (2017). Accelerating cross-validation with total variation and its application to super-resolution imaging. PLOS ONE.

Kazunori Akiyama, Shiro Ikeda, Mollie Pleau, Vincent L. Fish, Fumie Tazaki, Kazuki Kuramochi, Avery E. Broderick, Jason Dexter, Monika Mościbrodzka, Michael Gowanlock, Mareki Honma, Sheperd S. Doeleman (2017). Superresolution full-polarimetric imaging for radio interferometry with sparse modeling. The Astronomical Journal.

Kazunori Akiyama, Kazuki Kuramochi, Shiro Ikeda, Vincent L. Fish, Fumie Tazaki, Mareki Honma, Sheperd S. Doeleman, Avery Broderick, Jason Dexter, Monika Mościbrodzka, Katherine L. Bouman, Andrew Chael, Masamichi Zaizen (2017). Imaging the Schwarzschild-radius-scale Structure of M87 with the Event Horizon Telescope using Sparse Modeling. The Astrophysical Journal.

Mikio Morii, Shiro Ikeda, Shigeyuki Sako, Ryou Ohsawa (2017). Data compression for the Tomo-e Gozen using low-rank matrix approximation. The Astrophysical Journal.

Sean Pike, Ken Ebisawa, Shiro Ikeda, Mikio Morii, Misaki Mizumoto, Eriko Kusunoki (2017). Application of data science techniques to disentangle X-ray spectral variation of super-massive black holes. JAXA Research and Development Report: Journal of Space Science Informatics Japan: Volume 6.

Teppei Ikeya, Tomomi Hanashima, Saori Hosoya, Manato Shimazaki, Shiro Ikeda, Masaki Mishima, Peter Güntert, Yutaka Ito (2016). Improved in-cell structure determination of proteins at near-physiological concentration. Scientific Reports.

Kazuho Watanabe, Shiro Ikeda (2016). Rate-distortion functions for gamma-type sources under absolute-log distortion measure. IEEE Transactions on Information Theory.

Ryou Ohsawa, Shigeyuki Sako, Hidenori Takahashi, Yuki Kikuchi, Mamoru Doi, Naoto Kobayashi, Tsutomu Aoki, Ko Arimatsu, Makoto Ichiki, Shiro Ikeda, Yoshifusa Ita, Toshihiro Kasuga, Hideo Kawakita, Mitsuru Kokubo, Hiroyuki Maehara, Noriyuki Matsunaga, Hiroyuki Mito, Kazuma Mitsuda, Takashi Miyata, Kiyoshi Mori, Yuki Mori, Mikio Morii, Tomoki Morokuma, Kentaro Motohara, Yoshikazu Nakada, Shin-ichiro Okumura, Hiroki Onozato, Kentaro Osawa, Yuki Sarugaku, Mikiya Sato, Toshikazu Shigeyama, Takao Soyano, Masaomi Tanaka, Yuki Taniguchi, Ataru Tanikawa, Ken'ichi Tarusawa, Nozomu Tominaga, Tomonori Totani, Seitaro Urakawa, Fumihiko Usui, Junichi Watanabe, Jumpei Yamaguchi, Makoto Yoshikawa (2016). Development of a real-time data processing system for a prototype of the Tomo-e Gozen wide field CMOS camera. Proc. SPIE 9908, Ground-based and Airborne Instrumentation for Astronomy.

Shigeyuki Sako, Ryou Osawa, Hidenori Takahashi, Yuki Kikuchi, Mamoru Doi, Naoto Kobayashi, Tsutomu Aoki, Ko Arimatsu, Makoto Ichiki, Shiro Ikeda, Yoshifusa Ita, Toshihiro Kasuga, Hideyo Kawakita, Mitsuru Kokubo, Hiroyuki Maehara, Noriyuki Matsunaga, Hiroyuki Mito, Kazuma Mitsuda, Takashi Miyata, Kiyoshi Mori, Yuki Mori, Mikio Morii, Tomoki Morokuma, Kentaro Motohara, Yoshikazu Nakada, Kentaro Osawa, Shin-ichiro Okumura, Hiroki Onozato, Yuki Sarugaku, Mikiya Sato, Toshikazu Shigeyama, Takao Soyano, Masaomi Tanaka, Yuki Taniguchi, Ataru Tanikawa, Ken'ichi Tarusawa, Nozomu Tominaga, Tomonori Totani, Seitaro Urakawa, Fumihiko Usui, Junichi Watanabe, Jumpei Yamaguchi, Makoto Yoshikawa (2016). Development of a prototype of the Tomo-e Gozen wide-field CMOS camera. Proc. SPIE 9908, Ground-based and Airborne Instrumentation for Astronomy.

João Pedro Pedroso, Shiro Ikeda (2016). Maximum-expectation matching under recourse. ISM research memorandum.

Shiro Ikeda, Hirokazu Odaka, Makoto Uemura (2016). Sparse modeling for astronomical data analysis. Journal of Physics: Conference Series.

Hiroshi Okamura, Shiro Ikeda, Takami Morita, Shinto Eguchi (2016). Risk assessment of radioisotope contamination for aquatic living resources in and around Japan. Proceedings of the National Academy of Sciences.

Teppei Ikeya, Shiro Ikeda, Takanori Kigawa, Yutaka Ito, Peter Güntert (2016). Protein NMR structure refinement based on Bayesian inference. Journal of Physics: Conference Series.

Shiro Ikeda, Fumie Tazaki, Kazunori Akiyama, Kazuhiro Hada, Mareki Honma (2016). PRECL: A new method for interferometry imaging from closure phase. Publications of the Astronomical Society of Japan.

Mikio Morii, Shiro Ikeda, Nozomu Tominaga, Masaomi Tanaka, Tomoki Morokuma, Katsuhiko Ishiguro, Junji Yamato, Naonori Ueda, Naotaka Suzuki, Naoki Yasuda, Naoki Yoshida (2016). Machine-Learning selection of optical transients in Subaru/Hyper Suprime-Cam survey. Publications of the Astronomical Society of Japan.

Mareki Honma, Kazunori Akiyama, Fumie Tazaki, Kazuki Kuramochi, Shiro Ikeda, Kazuhiro Hada, Makoto Uemura (2016). Imaging black holes with sparse modeling. Journal of Physics: Conference Series.

Makoto Uemura, Koji S. Kawabata, Shiro Ikeda, Keiichi Maeda, Hsiang-Yun Wu, Kazuho Watanabe, Shigeo Takahashi, Issei Fujishiro (2016). Data-driven approach to Type Ia supernovae: variable selection on the peak luminosity and clustering in visual analytics. Journal of Physics: Conference Series.

Yuka Ariki, Tetsunari Inamura, Shiro Ikeda, Jun Morimoto (2015). Sparsely extracting stored movements to construct interfaces for humanoid end-effector control. Proceedings of the 2015 IEEE Conference on Robotics and Biomimetics.

Osamu Komori, Shinto Eguchi, Shiro Ikeda, Hiroshi Okamura, Momoko Ichinokawa, Shinichiro Nakayama (2015). An asymmetric logistic regression model for ecological data. Methods in Ecology and Evolution.

Shiro Ikeda (2015). Sparsity and information processing. Symposium MEIS2015: Mathematical Progress in Expressive Image Synthesis.

Kazuho Watanabe, Shiro Ikeda (2015). Entropic risk minimization for nonparametric estimation of mixing distributions. Machine Learning.

Makoto Uemura, Koji S. Kawabata, Shiro Ikeda, Keiichi Maeda (2015). Variable selection for modeling the absolute magnitude at maximum of Type Ia supernovae. Publications of the Astronomical Society of Japan.

Shiro Ikeda, Kazunori Hayashi, Toshiyuki Tanaka (2014). Channel capacity and achievable rates of peak power limited AWGNC, and their applications to adaptive modulation and coding. Proceedings of 2014 International Symposium on Information Theory and its Applications (ISITA2014).

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Shiro Ikeda, Hirokazu Odaka, Makoto Uemura, Tadayuki Takahashi, Shin Watanabe, Shin'ichiro Takeda (2014). Bin mode estimation methods for Compton camera imaging. Nuclear Instruments and Methods in Physics Research A.

Mareki Honma, Kazunori Akiyama, Makoto Uemura, Shiro Ikeda (2014). Super-resolution imaging with radio interferometry using sparse modeling. Publications of the Astronomical Society of Japan.

Shiro Ikeda, Hirokazu Odaka, Makoto Uemura, Tadayuki Takahashi, Shin Watanabe, Shin'ichiro Takeda (2013). Compton camera imaging. Proceedings of 2013 Seventh International Conference on Sensing Technology (ICST2013).

Shiro Ikeda (2013). Optimization of probability measure and its applications in information theory. Proceedings of The Sixth Workshop on Information Theoretic Methods in Science and Engineering.

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Jonathan H. Manton, David Applebaum, Shiro Ikeda, Nicolas LeBihan (2013). Introduction to the issue on differential geometry in signal processing. IEEE Journal of Selected Topics in Signal Processing.

Kazuho Watanabe, Shiro Ikeda (2013). Rate-distortion function for gamma sources under absolute-log distortion measure. Proceedings of 2013 IEEE International Symposium on Information Theory (ISIT2013).

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Kazuho Watanabe, Shiro Ikeda (2012). Convex formulation for nonparametric estimation of mixing distribution. Proceedings of The Fifth Workshop on Information Theoretic Methods in Science and Engineering.

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Shiro Ikeda, Hidetoshi Kono (2012). Phase retrieval from single biomolecule diffraction pattern. Optics Express.

Mark D. McDonnell, Shiro Ikeda, Jonathan H. Manton (2011). An Introductory Review of Information Theory in the Context of Computational Neuroscience. Biological Cybernetics.

Shiro Ikeda, Hidetoshi Kono (2011). Sparse Phase Retrieval. Proceedings of 4th Workshop on Signal Processing with Adaptive Sparse Structured Representations (SPARS2011).

Shiro Ikeda (2010). Combining binary machines for multi-class: Statistical model and parameter estimation. Journal of Physics: Conference Series, International Workshop on Statistical-Mechanical Informatics 2010 (IW-SMI2010).

Shiro Ikeda, Yutaka Sakaguchi (2009). Motor planning as an optimization of command representation. Proceedings of 48th IEEE Conference on Decision and Control (CDC2009).

Shiro Ikeda, Jonathan H. Manton (2009). Capacity of a Single Spiking Neuron Channel. Neural Computation.

Shiro Ikeda, Jonathan H. Manton (2009). Capacity of a single spiking neuron. Journal of Physics: Conference Series, International Workshop on Statistical-Mechanical Informatics 2009 (IW-SMI2009).

Masatoshi Hamada, Shiro Ikeda (2008). Channel Estimation and Code Word Inference for Mobile Digital Satellite Broadcasting Reception. IEICE trans. on Communications.

Shiro Ikeda, Jonathan H. Manton (2008). Capacity of a single neuron channel. 3rd Australian Workshop on Mathematical and Computational Neuroscience, NeuroEng 2008.

Masatoshi Hamada, Shiro Ikeda (2008). Channel Estimation and Code Word Inference for Mobile Digital Satellite Broadcasting Reception. ISM research memorandum.

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Shiro Ikeda, Jonathan Manton (2008). Capacity of a Single Neuron Channel. ISM research memorandum.

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Yuichi Shiraishi, Kenji Fukumizu, Shiro Ikeda (2007). A game theoretical analysis of combining classifiers for multi-class classification problems. Proceedings of the international workshop on data-mining and statistical science (DMSS2007).

Shiro Ikeda, Yutaka Sakaguchi (2007). Motor planning as an optimization of command representation. ISM research memorandum.

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Masatoshi Hamada, Shiro Ikeda (2007). Improving mobile reception of digital satellite broadcasting. Proceeding of The 18th Annual IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC'07).

Yutaka Sakaguchi, Shiro Ikeda (2007). Motor Planning and Sparse Motor Command Representation. Neurocomputing.

Yutaka Sakaguchi, Shiro Ikeda (2006). Motor Planning Based on Sparse Command Representation. Brain-inspired Information Technology (BrainIT2006).

Yutaka Sakaguchi, Shiro Ikeda (2006). Motor Planning and Sparse Motor Command Representation. Technical Report of University of Electro-Communications.

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Shiro Ikeda (2006). Learning binary classifiers for multi-class problem. ISM research memorandum.

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Masanori Kawakita, Shiro Ikeda, Shinto Eguchi (2006). A bridge between boosting and a kernel machine. ISM research memorandum.

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Yutaka Sakaguchi, Shiro Ikeda (2006). Motor Planning and Sparse Motor Command Representation. Processingds of Fifteenth Annual Computational Neuroscience Meeting (CNS∗2006).

Shiro Ikeda (2005). Sparse representation and piece-wise linear kernel. Proceedings of Signal Processing with Adaptive Sparse Structured Representations (SPARS'05).

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Shiro Ikeda (2005). Sparse representation and piece-wise linear kernel. ISM research memorandum.

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Shiro Ikeda (2005). Information geometry of turbo and LDPC codes. Proceedings of 2005 IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP2005).

Shiro Ikeda, Toshiyuki Tanaka, Shun-ichi Amari (2005). Information Geometry for Turbo Decoding. Systems and Computers in Japan.

Shiro Ikeda, Toshiyuki Tanaka, Shun-ichi Amari (2004). Stochastic reasoning, free energy, and information geometry. Neural Computation.

Shiro Ikeda, Toshiyuki Tanaka, Shun-ichi Amari (2004). Information geometry of turbo and low-density parity-check codes. IEEE Transactions on Information Theory.

Noboru Murata, Shiro Ikeda (2003). EM Algorithm in Neural Network Learning. The EM Algorithm and Related Statistical Models.

Shiro Ikeda, Toshiyuki Tanaka, Shun-ichi Amari (2003). Stochastic Reasoning, Free Energy and Information Geometry.

Shiro Ikeda, Toshiyuki Tanaka, Shun-ichi Amari (2003). Information Geometry of Loopy BP. Supplementary Proceedings of ICANN/ICONIP2003.

Futoshi Asano, Shiro Ikeda, Michiaki Ogawa, Hideki Asoh, Nobuhiko Kitawaki (2003). Combined Approach of Array Processing and Independent Component Analysis for Blind Separation of Acoustic Signals. IEEE transactions on Audio and Speech Processing.

Shigeki Kajihara, Shun-ichi Amari, Keisuke Toyama, Shiro Ikeda (2003). Biosignal measuring method and apparatus.

Shiro Ikeda, Toshiyuki Tanaka, Shun-ichi Amari (2003). Information Geometry of Turbo and Low-Density Parity-Check Codes.

Shiro Ikeda, Toshiyuki Tanaka, Shun-ichi Amari (2002). Information Geometry of Turbo Codes. Proceedings of 2002 IEEE International Symposium on Information Theory (ISIT2002).

Toshiyuki Tanaka, Shiro Ikeda, Shun-ichi Amari (2002). Information-geometrical significance of sparsity in Gallager codes. Advances in Neural Information Processing Systems.

Shiro Ikeda, Toshiyuki Tanaka, Shun-ichi Amari (2002). Information Geometrical Framework for Analyzing Belief Propagation Decoder. Advances in Neural Information Processing Systems.

Shiro Ikeda, Toshiyuki Tanaka, Shun-ichi Amari (2001). Belief propagation and turbo code: Information geometrical view. Proceedings of 2001 International Conference on Neural Information Processing (ICONIP2001).

Noboru Murata, Shiro Ikeda, Andreas Ziehe (2001). An Approach to Blind Source Separation Based on Temporal Structure of Speech Signals. Neurocomputing.

Futoshi Asano, Shiro Ikeda, Michiaki Ogawa, Hideki Asoh, Nobuhiko Kitawaki (2001). Blind source separation in reflective sound fields. Proceedings of 2001 IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP2001).

Futoshi Asano, Shiro Ikeda, Michiaki Ogawa, Hideki Asoh, Nobuhiko Kitawaki (2001). Blind source separation in reflective sound fields. Proceedings of Workshop on Hands-Free Speech Communication 2001 (HSC2001).

Shun-ichi Amari, Shiro Ikeda, Hidetoshi Shimokawa (2001). Information Geometry and Mean Field Approximation: The α-projection Approach. Advanced Mean Field Methods – Theory and Practice.

Shiro Ikeda, Keisuke Toyama (2000). Independent Component Analysis for Noisy Data --MEG data analysis. Neural Networks.

Masashi Tanigawa, Kenji Yoshikawa, Keisuke Toyama, Yoshio Ohtani, Yoshimichi Ejima, Shiro Ikeda, Shigeki Kajihara (2000). Motion Adaptation Depresses Perception of Contour from Motion and Magnetoencephlographic (MEG) Responses in V2/3 and V5. 30th Annual meeting. Society for Nueroscience Abstracts (SfN2000).

Shigeki Kajihara, Keisuke Toyama, Shiro Ikeda, Noboru Murata, Tatsuya Kobayashi, Yoshihisa Kida, Yoshikazu Yoshida (2000). Separation of MEG Signal by Independent Component Analysis. Proceedings of the 12th International Conference on Biomagnetism (Biomag2000).

Shiro Ikeda, Keisuke Toyama (2000). ICA for noisy neurobiological data. Proceedings of International Joint Conference on Neural Networks 2000 (IJCNN2000).

Shiro Ikeda (2000). ICA on Noisy Data: A Factor Analysis Approach. Advances in Independent Component Analysis.

Shiro Ikeda (2000). Factor Analysis Preprocessing for ICA. Proceedings of International Workshop on Independent Component Analysis and Blind Signal Separation (ICA2000).

Futoshi Asano, Shiro Ikeda (2000). Evaluation and Real-time implementation of blind source separation system using time-delayed decorrelation. Proceedings of International Workshop on Independent Component Analysis and Blind Signal Separation (ICA2000).

Shun-ichi Amari, Shiro Ikeda, Hidetoshi Shimokawa (2000). Information Geometry and Mean Field Approximation: The α-projection Approach. BSIS technical report.

Shiro Ikeda, Keisuke Toyama (2000). ICA for noisy neurobiological data.

Shiro Ikeda (2000). Acceleration of the EM algorithm. Systems and Computers in Japan.

Shigeki Kajihara, Kenji Yoshikawa, Noboru Murata, Shiro Ikeda, Masashi Tanigawa, Yoshio Ohtani, Yoshimichi Ejima, Keisuke Toyama (1999). Application of independent component analysis (ICA) to magnetoencephalography. 29th Annual meeting. Society for Nueroscience Abstracts (SfN1999).

Hiroshi G. Okuno, Shiro Ikeda, Tomohiro Nakatani (1999). Combining Independent Component Analysis and Sound Stream Segregation. Proceedings of IJCAI-99 Workshop on Computational Auditory Scene Analysis.

Shiro Ikeda, Shun-ichi Amari, Hiroyuki Nakahara (1999). Convergence of the Wake-Sleep Algorithm. Advances in Neural Information Processing Systems.

Shiro Ikeda, Noboru Murata (1999). A method of ICA in time-frequency domain. Proceedings of International Workshop on Independent Component Analysis and Blind Signal Separation (ICA'99).

Shiro Ikeda, Noboru Murata (1998). A method of blind separation based on temporal structure of signals. Proceedings of 1998 International Conference on Neural Information Processing (ICONIP'98).

Shiro Ikeda, Noboru Murata (1998). An Approach to Blind Source Separation of Speech Signals. Proceedings of 1998 International Conference on Artificial Neural Networks (ICANN'98).

Noboru Murata, Shiro Ikeda (1998). A On-line Algorithm for Blind Source Separation on Speech Signals. Proceedings of 1998 International Symposium on Nonlinear Theory and its Applications (NOLTA'98).

Noboru Murata, Shiro Ikeda, Andreas Ziehe (1998). An Approach to Blind Source Separation Based on Temporal Structure of Speech Signals. BSIS technical report.

Shiro Ikeda (1997). Acceleration of the EM algorithm. Proceedings of 1997 International Symposium on Nonlinear Theory and its Applications (NOLTA'97).

Kaoru Nakano, Katsumi Konishi, Rui Ishiyama, Shiro Ikeda (1997). A Self-Organizing System with Cell-Specialization. Proceedings of 1997 IEEE International Conference on Evolutionary Computing (ICEC'97).

Shiro Ikeda (1996). Construct The Structure of Stochastic Multilayer Perceptron Using The Model Search Method. Proceedings of 1996 International Symposium on Nonlinear Theory and its Applications (NOLTA'96).

Shiro Ikeda, Kaoru Nakano (1995). Estimate The Source Structure Through Communication. Proceedings of 1995 IEEE International Conference on Neural Networks (ICNN'95).

Kaoru Nakano, Hideaki Hiraki, Shiro Ikeda (1995). A Learning Machine That Evolves. Proceedings of 1995 IEEE International Conference on Evolutionary Computing (ICEC'95).

Shiro Ikeda (1993). Construction of Phoneme Models --- Model Search of Hidden Markov Models ---. Proceedings of International Workshop on Intelligent Signal Processing and Communication Systems (ISPACS'93).

Shiro Ikeda, Kaoru Nakano, Yutaka Sakaguchi (1992). A Robot Organizing Purposive Behavior by Itself. Proceedings of International Joint Conference on Neural Networks (IJCNN'92).