Creating colored pencil style images by drawing strokes based on boundaries of regions. - Hajime Matsui; Henry Johan; Tomoyuki Nishita (Computer Graphics International, 2005)

Systolic array architecture implementing Berlekamp-Massey-Sakata algorithm for decoding codes on a class of algebraic curves. - Hajime Matsui; Shojiro Sakata; Masazumi Kurihara; Seiichi Mita (IEEE Trans. Inf. Theory, 2005)

Inverse-Free Implementation of Berlekamp-Massey-Sakata Algorithm for Decoding Codes on Algebraic Curves. - Hajime Matsui; Seiichi Mita (ISIT, 2006)

Encoding via Gr??bner bases and discrete Fourier transforms for several types of algebraic codes. - Hajime Matsui; Seiichi Mita (ISIT, 2007)

Inverse-free Berlekamp-Massey-Sakata Algorithm and Small Decoders for Algebraic-Geometric Codes - Hajime Matsui; Seiichi Mita (CoRR, 2007)

Encoding via Gröbner bases and discrete Fourier transforms for several types of algebraic codes - Hajime Matsui; Seiichi Mita (CoRR, 2007)

Low Complexity Encoder for Generalized Quasi-Cyclic Codes Coming from Finite Geometries. - Vo Tam Van; Hajime Matsui; Seiichi Mita (ICC, 2009)

A Simple Proof of Horiguchi's Error-Value Formula in Decoding of Alternant Codes and Its Applications. - Hajime Matsui (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2009)

Computation of Grobner Basis for Systematic Encoding of Generalized Quasi-Cyclic Codes. - Vo Tam Van; Hajime Matsui; Seiichi Mita (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2009)

A Class of Generalized Quasi-Cyclic LDPC Codes: High-Rate and Low-Complexity Encoder for Data Storage Devices. - Vo Tam Van; Hajime Matsui; Seiichi Mita (GLOBECOM, 2010)

Unified system of encoding and decoding erasures and errors for algebraic geometry codes. - Hajime Matsui (ISITA, 2010)

Decoding a class of affine variety codes with fast DFT. - Hajime Matsui (ISITA, 2012)

Fast Erasure-and-Error Decoding and Systematic Encoding of a Class of Affine Variety Codes - Hajime Matsui (CoRR, 2012)

Computational complexity of robust schur stability analysis by the generalized stability feeler. - Tadasuke Matsuda; Hajime Matsui; Michihiro Kawanishi; Tatsuo Narikiyo (AuCC, 2014)

On generator polynomial matrices of generalized pseudo-cyclic codes. - Hajime Matsui (ISITA, 2014)

A decoding algorithm for projective Reed-Muller codes of 2-dimensional projective space with DFT. - Norihiro Nakashima; Hajime Matsui (ISITA, 2014)

Fast Decoding of Projective Reed-Muller Codes by Dividing a Projective Space into Affine Spaces. - Norihiro Nakashima; Hajime Matsui (CoRR, 2014)

Lemma for Linear Feedback Shift Registers and DFTs Applied to Affine Variety Codes. - Hajime Matsui (IEEE Trans. Inf. Theory, 2014)

On generator matrices and parity check matrices of generalized integer codes. - Hajime Matsui (Des. Codes Cryptogr., 2015)

On generator and parity-check polynomial matrices of generalized quasi-cyclic codes. - Hajime Matsui (Finite Fields Their Appl., 2015)

A Convolution Theorem for Multiple-Valued Logic Polynomials of a Semigroup Type and Their Fast Multiplication. - Hajime Matsui (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2016)

Decoding of Projective Reed-Muller Codes by Dividing a Projective Space into Affine Spaces. - Norihiro Nakashima; Hajime Matsui (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2016)

On Constant GC-content Cyclic DNA Codes With Long Codewords. - Ramy Farouk Taki Eldin; Hajime Matsui (ISITA, 2018)

A Modulus Factorization Algorithm for Self-Orthogonal and Self-Dual Integer Codes. - Hajime Matsui (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2018)

Quasi-Cyclic Codes Via Unfolded Cyclic Codes and Their Reversibility. - Ramy Farouk Taki Eldin; Hajime Matsui (IEEE Access, 2019)

Natural Gradient Descent of Complex-Valued Neural Networks Invariant under Rotations. - Jun-ichi Mukuno; Hajime Matsui (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2019)

Generator Polynomial Matrices of Reversed and Reversible Quasi-Cyclic Codes. - Ramy Farouk Taki Eldin; Hajime Matsui (ISITA, 2020)

Finding Self-Dual Quasi-Cyclic Codes with Large Minimum Weight via Polynomial Matrices. - Masaki Kawaguchi; Hajime Matsui (ISITA, 2020)

On Reversibility and Self-Duality for Some Classes of Quasi-Cyclic Codes. - Ramy Farouk Taki Eldin; Hajime Matsui (IEEE Access, 2020)

Run-Length Constraint of Cyclic Reverse-Complement and Constant GC-Content DNA Codes. - Ramy Farouk Taki Eldin; Hajime Matsui (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2020)

A Modulus Factorization Algorithm for Self-Orthogonal and Self-Dual Quasi-Cyclic Codes via Polynomial Matrices. - Hajime Matsui (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2021)

Construction of reversible integer codes with large moduli via Chinese remainder theorem. - Norifumi Ojiro; Hajime Matsui (ISITA, 2022)

Linking Reversed and Dual Codes of Quasi-Cyclic Codes. - Ramy Farouk Taki Eldin; Hajime Matsui (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2022)

An Algorithm for Finding Self-Orthogonal and Self-Dual Codes Over Gaussian and Eisenstein Integer Residue Rings Via Chinese Remainder Theorem. - Hajime Matsui (IEEE Access, 2023)

An efficient algorithm for constructing reversible quasi-cyclic codes via Chinese remainder theorem. - Norifumi Ojiro; Kakeru Kaneko; Hajime Matsui (Finite Fields Their Appl., 2023)

Minimum weights of codes over integer residue rings generated by Kronecker products of certain integer matrices. - Norifumi Ojiro; Hajime Matsui (Adv. Math. Commun., 2025)