Tomoharu Shibuya

According to our database, Tomoharu Shibuya authored at least 33 papers between 1997 and 2024.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2024

Efficient Construction of Encoding Polynomials in a Distributed Coded Computing Scheme.

Daisuke Hibino, Tomoharu Shibuya

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2024

2020

Improvement of the Quality of Visual Secret Sharing Schemes with Constraints on the Usage of Shares.

Mariko Fujii, Tomoharu Shibuya

IEICE Trans. Inf. Syst., 2020

2017

On a Characterization of a State of Rank-Modulation Scheme Over Multi-Cell Ranking by a Group Action.

Tomoharu Shibuya, Takeru Sudo

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2017

2016

Construction and analysis of rank-modulation rewriting codes by the group of permutation matrices.

Tomoharu Shibuya, Takeru Sudo

Proceedings of the 2016 International Symposium on Information Theory and Its Applications, 2016

2014

Efficient Linear Time Encoding for LDPC Codes.

Tomoharu Shibuya, Kazuki Kobayashi

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2014

Single Error Correcting Quantum Codes for the Amplitude Damping Channel Based on Classical Codes over <i>GF</i>(7).

Keisuke Kodaira, Mihoko Wada, Tomoharu Shibuya

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2014

Entanglement-assisted quantum error-correcting codes based on the circulant permutation matrix.

Mihoko Wada, Keisuke Kodaira, Tomoharu Shibuya

Proceedings of the International Symposium on Information Theory and its Applications, 2014

On the condition on classical codes to construct quantum error correcting codes for amplitude damping channel.

Keisuke Kodaira, Tomoharu Shibuya

Proceedings of the International Symposium on Information Theory and its Applications, 2014

2013

On the Dependence of Error Performance of Spatially Coupled LDPC Codes on Their Design Parameters.

Hiroyuki Ihara, Tomoharu Shibuya

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2013

2012

Generalization of Lu's linear time encoding algorithm for LDPC codes.

Kazuki Kobayashi, Tomoharu Shibuya

Proceedings of the International Symposium on Information Theory and its Applications, 2012

2011

Ring Theoretic Approach to Reversible Codes Based on Circulant Matrices.

Tomoharu Shibuya

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2011

Block-triangularization of parity check matrices for efficient encoding of linear codes.

Tomoharu Shibuya

Proceedings of the 2011 IEEE International Symposium on Information Theory Proceedings, 2011

2010

Characterization of Factor Graph by Mooij's Sufficient Condition for Convergence of the Sum-Product Algorithm.

Tomoharu Shibuya

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2010

2008

Detailed Evolution of Degree Distributions in Residual Graphs with Joint Degree Distributions.

Takayuki Nozaki, Kenta Kasai, Tomoharu Shibuya, Kohichi Sakaniwa

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2008

The Asymptotic Bit Error Probability of LDPC Codes for the Binary Erasure Channel with Finite Iteration Number

Ryuhei Mori, Kenta Kasai, Tomoharu Shibuya, Kohichi Sakaniwa

CoRR, 2008

Two-edge type LDPC code ensembles with exponentially few codewords with linear small weight.

Tsuyoshi Nakasendo, Kenta Kasai, Tomoharu Shibuya, Kohichi Sakaniwa

Proceedings of the 2008 IEEE International Symposium on Information Theory, 2008

Asymptotic bit error probability of LDPC codes for the binary erasure channel with finite number of iterations.

Ryuhei Mori, Kenta Kasai, Tomoharu Shibuya, Kohichi Sakaniwa

Proceedings of the 2008 IEEE International Symposium on Information Theory, 2008

2007

Average Bit Erasure Probability of Regular LDPC Code Ensembles under MAP Decoding over BEC.

Takayuki Itsui, Kenta Kasai, Ryoji Ikegaya, Tomoharu Shibuya, Kohichi Sakaniwa

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2007

Performance of Standard Irregular LDPC Codes under Maximum Likelihood Decoding.

Ryoji Ikegaya, Kenta Kasai, Tomoharu Shibuya, Kohichi Sakaniwa

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2007

Tight Bounds of Minimum Distance Distributions of Irregular LDPC Code Ensembles.

Shinya Miyamoto, Kenta Kasai, Tomoharu Shibuya, Kohichi Sakaniwa

Proceedings of the IEEE International Symposium on Information Theory, 2007

2006

Average Coset Weight Distribution of Multi-Edge Type LDPC Code Ensembles.

Kenta Kasai, Yuji Shimoyama, Tomoharu Shibuya, Kohichi Sakaniwa

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2006

Design of Irregular Repeat Accumulate Codes with Joint Degree Distributions.

Kenta Kasai, Shinya Miyamoto, Tomoharu Shibuya, Kohichi Sakaniwa

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2006

The Block Error Probability of Detailedly Represented Irregular LDPC Code Ensembles under Maximum Likelihood Decoding.

Ryoji Ikegaya, Kenta Kasai, Tomoharu Shibuya, Koichi Sakaniwa

Proceedings of the 2006 IEEE Information Theory Workshop, 2006

Second Support Weight Distribution of Regular LDPC Code Ensembles.

Takayuki Itsui, Kenta Kasai, Ryoji Ikegaya, Tomoharu Shibuya, Kohichi Sakaniwa

Proceedings of the Proceedings 2006 IEEE International Symposium on Information Theory, 2006

2005

Iterative Decoding Based on the Concave-Convex Procedure.

Tomoharu Shibuya, Ken Harada, Ryosuke Tohyama, Kohichi Sakaniwa

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2005

Weight and Stopping Set Distributions of Two-Edge Type LDPC Code Ensembles.

Ryoji Ikegaya, Kenta Kasai, Yuji Shimoyama, Tomoharu Shibuya, Kohichi Sakaniwa

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2005

Stopping set distributions of two-edge type LDPC code ensembles.

Ryoji Ikegaya, Kenta Kasai, Yuji Shimoyama, Tomoharu Shibuya, Kohichi Sakaniwa

Proceedings of the 2005 IEEE International Symposium on Information Theory, 2005

2004

Asymptotic weight and stopping set distributions for detailedly represented irregular LDPC code ensembles.

Ryoji Ikegaya, Kenta Kasai, Tomoharu Shibuya, Kohichi Sakaniwa

Proceedings of the 2004 IEEE International Symposium on Information Theory, 2004

2003

Performance of a Decoding Algorithm for LDPC Codes Based on the Concave-Convex Procedure.

Tomoharu Shibuya, Kohichi Sakaniwa

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2003

Construction of Cyclic Codes Suitable for Iterative Decoding via Generating Idempotents.

Tomoharu Shibuya, Kohichi Sakaniwa

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2003

On Tanner's Lower Bound for the Minimum Distance of Regular LDPC Codes Based on Combinatorial Designs.

Tomoharu Shibuya, Masatoshi Onikubo, Kohichi Sakaniwa

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2003

Detailedly Represented Irregular Low-Density Parity-Check Codes.

Kenta Kasai, Tomoharu Shibuya, Kohichi Sakaniwa

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2003

1997

On Generalized Hamming Weights of Codes Constructed on Affine Algebraic Sets.

Tomoharu Shibuya, Jiro Mizutani, Kohichi Sakaniwa

Proceedings of the Applied Algebra, 1997