@book{CTT100610133, author = {Isao YAMADA and Masahiro Yukawa and Masao Yamagishi}, title = {Minimizing the Moreau envelope of nonsmooth convex functions over the fixed point set of certain quasi-nonexpansive mappings, In: Fixed-Point Algorithms for Inverse Problems in Science and Engineering (H. H. Bauschke, R. Burachik, P. L. Combettes, V. Elser, D. R. Luke, H. Wolkowicz, eds.)}, publisher = {Springer-Verlag}, year = 2011, } @article{CTT100879432, author = {Wataru Yata and Masao Yamagishi and Isao Yamada}, title = {A constrained LiGME model and its proximal splitting algorithm under overall convexity condition}, journal = {Journal of Applied and Numerical Optimization}, year = 2022, } @article{CTT100879408, author = {Riku Akema and Masao Yamagishi and Isao Yamada}, title = {A Robust Canonical Polyadic Tensor Decomposition via Structured Low-Rank Matrix Approximation}, journal = {IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences}, year = 2022, } @article{CTT100879418, author = {Yang Chen and Masao Yamagishi and Isao Yamada}, title = {A Linearly Involved Generalized Moreau Enhancement of ℓ2,1-Norm with Application to Weighted Group Sparse Classification}, journal = {Algorithms}, year = 2021, } @article{CTT100838903, author = {Riku Akema and Masao Yamagishi and Isao Yamada}, title = {Approximate Simultaneous Diagonalization of Matrices via Structured Low-Rank Approximation}, journal = {the IEICE Transactions on Fundamentals}, year = 2021, } @article{CTT100809326, author = {Jiro Abe and Masao Yamagishi and Isao Yamada}, title = {Linearly Involved Generalized Moreau Enhanced Models and Their Proximal Splitting Algorithm under Overall Convexity Condition}, journal = {Inverse Problems}, year = 2020, } @article{CTT100790637, author = {Isao Yamada and Masao Yamagishi}, title = {Hierarchical convex optimization by the hybrid steepest descent method with Proximal Splitting - Enhancements of SVM and Lasso}, journal = {Splitting Algorithms, Modern Operator Theory and Applications, H. H. Bauschke, R. Burachik and D. R. Luke eds.}, year = 2019, } @article{CTT100778517, author = {Hiroki Kuroda and Masao Yamagishi and Isao Yamada}, title = {Exploiting Sparsity in Tight-Dimensional Spaces for Piecewise Continuous Signal Recovery}, journal = {IEEE Transactions on Signal Processing}, year = 2018, } @article{CTT100778516, author = {Kenji Kakimoto and Masao Yamagishi and Isao YAmada}, title = {Smoothing of adaptive eigenvector extraction in nested orthogonal complement structure with minimum disturbance principle}, journal = {Multidimensional Systems and Signal Processing}, year = 2018, } @article{CTT100723043, author = {Masao Yamagishi and Isao Yamada}, title = {Nonexpansiveness of linearlized augmented Lagrangian operator for hierarchical convex optimization}, journal = {Inverse Problems}, year = 2017, } @article{CTT100723044, author = {Hiroki Kuroda and Masao Yamagishi and Isao Yamada}, title = {Nonlinear Acoustic Echo Cancellation by Exact-Online Adaptive Alternating Minimization}, journal = {IEICE Trans. Fundamentals}, year = 2016, } @article{CTT100703050, author = {Masaki Onuki and Shunsuke Ono and Masao Yamagishi and Yuichi Tanaka}, title = {Graph signal denoising via trilateral filter on graph spectral domain}, journal = {IEEE Transactions on Signal and Information Processing over Networks}, year = 2016, } @article{CTT100678519, author = {Naoki Tomida and Toshihisa Tanaka and Shunsuke Ono and Masao Yamagishi and Hiroshi Higashi}, title = {Active Data Selection for Motor Imagery EEG Classification}, journal = {IEEE Transactions on Biomedical Engineering}, year = 2014, } @article{CTT100658333, author = {Hiroki Kuroda and Shunsuke Ono and Masao Yamagishi and Isao Yamada}, title = {Exploiting Group Sparsity in Nonlinear Acoustic Echo Cancellation by Adaptive Proximal Forward-Backward Splitting}, journal = {IEICE Transactions on Fundamentals}, year = 2013, } @article{CTT100627969, author = {Masao Yamagishi and Isao Yamada}, title = {Overrelaxation of the fast iterative shrinkage-thresholding algorithm with variable stepsize}, journal = {Inverse Problems}, year = 2011, } @article{CTT100549071, author = {Masao YAMAGISHI and Isao YAMADA}, title = {A Deep Monotone Approximation Operator Based on the Best Quadratic Lower Bound of Convex Functions}, journal = {IEICE Transactions on Fundamentals}, year = 2008, } @inproceedings{CTT100895742, author = {Yang Chen and Masao Yamagishi and Isao Yamada}, title = {A Simple Design of Generalized Moreau Enhancement Matrix for LiGME Models}, booktitle = {第37回信号処理シンポジウム講演論文集}, year = 2022, } @inproceedings{CTT100879430, author = {Isao Yamada and Wataru Yata and Masao Yamagishi}, title = {A constrained LiGME model for sparsity-rank aware inverse problems}, booktitle = {}, year = 2022, } @inproceedings{CTT100879423, author = {Shoma Uchiyama and Masao Yamagishi and ISAO YAMADA}, title = {核ノルムのLiGME正則化を用いたテンソル補完に関する一考察}, booktitle = {第36回信号処理シンポジウム講演論文集}, year = 2021, } @inproceedings{CTT100879420, author = {Isao Yamada and Wataru Yata and Masao Yamagishi}, title = {A constrained LiGME model for sparsity-rank aware least squares estimation problems}, booktitle = {}, year = 2021, } @inproceedings{CTT100879413, author = {Wataru Yata and Masao Yamagishi and Isao Yamada}, title = {A Constrained Linearly Involved Generalized Moreau Enhanced Model and Its Proximal Splitting Algorithm}, booktitle = {Proc. IEEE MLSP 2021}, year = 2021, } @inproceedings{CTT100853564, author = {Yang Chen and Masao Yamagishi and Isao Yamada}, title = {A GENERALIZED MOREAU ENHANCEMENT OF L2,1-NORM AND ITS APPLICATION TO GROUP SPARSE CLASSIFICATION}, booktitle = {}, year = 2021, } @inproceedings{CTT100853565, author = {Ryota Komatsu and Masao Yamagishi and Isao Yamada}, title = {A GRAPH REGULARIZED RPCA BY GENERALIZED MOREAU ENHANCED MODEL}, booktitle = {}, year = 2021, } @inproceedings{CTT100838900, author = {Isao Yamada and Masao Yamagishi}, title = {A pair of fixed point strategies with proximal splitting operators for unified applications to certain inverse problems in data science.}, booktitle = {}, year = 2021, } @inproceedings{CTT100853567, author = {Riku Akema and Masao Yamagishi and IsaoYamada}, title = {Approximate-Then-Diagonalize-Simultaneously Algorithm and Tensor CP Decomposition}, booktitle = {}, year = 2021, } @inproceedings{CTT100838876, author = {Riku Akema and Masao Yamagishi and Isao Yamada}, title = {Exploiting Commutativity Condition for CP Decomposition via Approximate Simultaneous Diagonalization}, booktitle = {}, year = 2020, } @inproceedings{CTT100853562, author = {Hiroki Nousou and Masao Yamagishi and ISAO YAMADA}, title = {宛先ポート行列の低ランク性を用いたポートスキャン検出法}, booktitle = {}, year = 2020, } @inproceedings{CTT100819460, author = {Isao Yamada and Masao Yamagishi}, title = {Hierarchical Convex Optimization with Proximal Splitting Operators - Robust Hierarchical Convex Relaxation for Multiclass Support Vector Machine}, booktitle = {}, year = 2020, } @inproceedings{CTT100819458, author = {ISAO YAMADA and Jiro Abe and Masao Yamagishi}, title = {スパース信号処理のためのLinearly involved Generalized Moreau Enhanced モデルと大域的最適解への収束保証付きアルゴリズムについて}, booktitle = {}, year = 2019, } @inproceedings{CTT100819447, author = {Yunosuke Nakayama and Masao Yamagishi and Isao Yamada}, title = {What is the Ideal Extension of SVM for Multiclass Classification ?}, booktitle = {第34回信号処理シンポジウム予稿集}, year = 2019, } @inproceedings{CTT100819446, author = {Riku Akema and Masao Yamagishi and Isao Yamada}, title = {Commutativity-Based Strategies for Reducing Canonical Decomposition to Approximate Simultaneous Diagonalization}, booktitle = {第34回信号処理シンポジウム予稿集}, year = 2019, } @inproceedings{CTT100819445, author = {Hiroki Kuroda and Masao Yamagishi and Isao Yamada}, title = {Segmentation of Piecewise ARX Processes by Exploiting Sparsity in Tight Dimensional Spaces}, booktitle = {Proceedings of Eusipco 2019}, year = 2019, } @inproceedings{CTT100819452, author = {Isao Yamada and Masao Yamagishi}, title = {Global optimization of sum of convex and nonconvex functions with proximal splitting techniques}, booktitle = {}, year = 2019, } @inproceedings{CTT100799448, author = {Riku Akema and Masao Yamagishi and Isao Yamada}, title = {An Alternating Projection Algorithm for Approximate Simultaneous Diagonalization}, booktitle = {Proc. IEEE ICASSP 2019}, year = 2019, } @inproceedings{CTT100799443, author = {Jiro Abe and Masao Yamagishi and Isao Yamada}, title = {Convexity-Edge-Preserving Signal Recovery with Linearly Involved Generalized Minimax Concave Penalty Function}, booktitle = {Proc. IEEE ICASSP 2019}, year = 2019, } @inproceedings{CTT100819451, author = {ISAO YAMADA and Jiro Abe and Masao Yamagishi}, title = {A Proximal Splitting Algorithm for Linearly Involved Generalized Minimax Concave Penalty Models}, booktitle = {}, year = 2019, } @inproceedings{CTT100819450, author = {ISAO YAMADA and Riku Akema and Masao Yamagishi}, title = {An Approximate Simultaneous Matrix-Diagonalization via Alternating Projection}, booktitle = {}, year = 2019, } @inproceedings{CTT100778499, author = {Masao Yamagishi and Masaya Endo and Isao Yamada}, title = {A DDoS Attack Detection by Group-Sparse Plus Low-Rank Temporally-Smooth Decomposition for Extended OD Flow Matrix}, booktitle = {Proceedings of APSIPA ASC 2018}, year = 2018, } @inproceedings{CTT100778511, author = {Hiroki Kuroda and Masao Yamagishi and ISAO YAMADA}, title = {スパース性を活用した区分的ARXモデルの分割点推定}, booktitle = {2018年電子情報通信学会ソサイエティ大会講演論文集}, year = 2018, } @inproceedings{CTT100778515, author = {Isao Yamada and Masao Yamagishi}, title = {Hierarchical Convex Optimization with Proximal Splitting Operators}, booktitle = {}, year = 2018, } @inproceedings{CTT100778507, author = {Riku Akema and Masao Yamagishi and Isao Yamada}, title = {An Efficient Greedy Algorithm for Finding the Nearest Simultaneous Diagonalizable Family}, booktitle = {Proceedings of IEEE SSP 2018}, year = 2018, } @inproceedings{CTT100778506, author = {Masao Yamagishi and Isao Yamada}, title = {Sparsity-aware adaptive proximal forward-backward splitting under the principle of minimal disturbance}, booktitle = {Proceedings of IEEE SSP 2018}, year = 2018, } @inproceedings{CTT100778480, author = {Hiroki Kuroda and Masao Yamagishi and Isao Yamada}, title = {ALTERNATING MINIMIZATION APPROACH FOR IDENTIFICATION OF PIECEWISE CONTINUOUS HAMMERSTEIN SYSTEMS}, booktitle = {Proceedings of IEEE ICASSP 2018}, year = 2018, } @inproceedings{CTT100778479, author = {Kwangjin Jeong and Masahiro Yukawa and Masao Yamagishi and Isao Yamada}, title = {AUTOMATIC SHRINKAGE TUNING ROBUST TO INPUT CORRELATION FOR SPARSITY-AWARE ADAPTIVE FILTERING}, booktitle = {Proceedings of IEEE ICASSP 2018}, year = 2018, } @inproceedings{CTT100778514, author = {Isao Yamada and Masao Yamagishi}, title = {Hierarchical Convex Optimization with Proximal Splitting Operators - Application to Support Vector Machine}, booktitle = {}, year = 2018, } @inproceedings{CTT100778484, author = {Arata Kaneda and Masao Yamagishi and ISAO YAMADA}, title = {入力分布の変動に頑健なスパースカーネル適応フィルタ}, booktitle = {第32回 信号処理シンポジウム 講演論文集}, year = 2017, } @inproceedings{CTT100778492, author = {Hiroki Kuroda and Masao Yamagishi and ISAO YAMADA}, title = {Alternating Minimization Approach for Identification of Hammerstein Systems with Discontinuous Nonlinearities}, booktitle = {第32回 信号処理シンポジウム 講演論文集}, year = 2017, } @inproceedings{CTT100778490, author = {JEONG KWANGJIN and Masahiro Yukawa and Masao Yamagishi and Isao Yamada}, title = {A Time-Averaging Approach to Automatic Shrinkage Tuning Under Colored Signals for Sparsity-Aware Adaptive Filtering}, booktitle = {第32回 信号処理シンポジウム 講演論文集}, year = 2017, } @inproceedings{CTT100778488, author = {Riku Akema and Masao Yamagishi and ISAO YAMADA}, title = {Non-iterative Joint Diagonalizations with A High Dimensional Eigenvalue Problem}, booktitle = {第32回 信号処理シンポジウム 講演論文集}, year = 2017, } @inproceedings{CTT100778482, author = {Masaya Endo and Masao Yamagishi and ISAO YAMADA}, title = {拡大 OD フロー行列の列方向平滑基準を活用した異常通信検出法}, booktitle = {第32回信号処理シンポジウム講演論文集}, year = 2017, } @inproceedings{CTT100778513, author = {Masaya Endo and Masao Yamagishi and ISAO YAMADA}, title = {ODフロー行列のグループスパース性を用いたDDoS攻撃検出法}, booktitle = {TECHNICAL REPORT OF IEICE}, year = 2017, } @inproceedings{CTT100743309, author = {Hiroki Kuroda and Masao Yamagishi and Isao Yamada}, title = {Recovery of Piecewise Finite-Dimensional Continuous Signals by Exploiting Sparsity}, booktitle = {Proceedings of SampTA 2017}, year = 2017, } @inproceedings{CTT100743296, author = {Isao Yamada and Masao Yamagishi}, title = {Hierarchical Convex Optimization and Proximal Splitting for High-Dimensional Statistics (Invited Talk)}, booktitle = {SIAM conference on Optimization 2017}, year = 2017, } @inproceedings{CTT100743619, author = {Masao Yamagishi and Isao Yamada}, title = {GLOBAL BEHAVIOR OF PARALLEL PROJECTION METHOD FOR CERTAIN NONCONVEX FEASIBILITY PROBLEMS}, booktitle = {Proceedings of IEEE ICASSP 2017}, year = 2017, } @inproceedings{CTT100743300, author = {Masao Yamagishi and Yukawa Masahiro and Isao Yamada}, title = {AUTOMATIC SHRINKAGE TUNING BASED ON A SYSTEM-MISMATCH ESTIMATE FOR SPARSITY-AWARE ADAPTIVE FILTERING}, booktitle = {Proceedings of IEEE ICASSP 2017}, year = 2017, } @inproceedings{CTT100743293, author = {Kenji Kakimoto and Masao Yamagishi and Isao Yamada}, title = {ACCELERATION OF ADAPTIVE NORMALIZED QUASI-NEWTON ALGORITHM WITH IMPROVED UPPER BOUNDS OF THE CONDITION NUMBER}, booktitle = {Proceedings of IEEE ICASSP 2017}, year = 2017, } @inproceedings{CTT100741643, author = {Kwangjin Jeong and Masahiro Yukawa and Masao Yamagishi and Isao Yamada}, title = {A Simple Self-Tuning Technique for Adaptive Proximal Forward-Backward Splitting}, booktitle = {IEICE Technical Report}, year = 2017, } @inproceedings{CTT100741642, author = {岩居 健太 and Masao Yamagishi and 梶川 嘉延}, title = {非凸二次制約付き最適化を利用したMirrorフィルタのパラメータ推定法 ~ 実測振動板変位を用いた推定 ~}, booktitle = {IEICE Technical Report}, year = 2017, } @inproceedings{CTT100753125, author = {Anh Huy Phan and Masao Yamagishi and Andrzej Cichocki}, title = {An augmented Lagrangian algorithm for decomposition of symmetric tensors of order-4}, booktitle = {Proceedings of IEEE ICASSP 2017}, year = 2017, } @inproceedings{CTT100741640, author = {Masao Yamagishi and Isao Yamada}, title = {Global convergence of a parallel projection method for certain nonconvex feasibility problems}, booktitle = {Proceedings of IEICE SIP Symposium}, year = 2016, } @inproceedings{CTT100741639, author = {Kazuya Mori and Daichi Kitahara and Masao Yamagishi and Isao Yamada}, title = {Huber損失関数を用いたロバストな三重位相差型GPS}, booktitle = {Proceedings of IEICE SIP Symposium}, year = 2016, } @inproceedings{CTT100741641, author = {岩居 健太 and Masao Yamagishi and 梶川 嘉延}, title = {非凸二次制約付き最適化を利用したMirrorフィルタのパラメータ推定法}, booktitle = {Proceedings of IEICE SIP Symposium}, year = 2016, } @inproceedings{CTT100741638, author = {Hiroki Kuroda and Masao Yamagishi and Isao Yamada}, title = {A design of convex regularizer for sparsity-aware recovery of certain piecewise continuous signals}, booktitle = {Proceedings of IEICE SIP Symposium}, year = 2016, } @inproceedings{CTT100741637, author = {Kenji Kakimoto and Masao Yamagishi and Isao Yamada}, title = {A Best Upper Bound of the Condition Number with Trace Constraints and Its Application to Subspace Tracking}, booktitle = {Proceedings of IEICE SIP Symposium}, year = 2016, } @inproceedings{CTT100723041, author = {Hiroaki Ishida and Masao Yamagishi and ISAO YAMADA}, title = {辞書更新に伴う変動歪の最小化を実現する再生核適応学習法}, booktitle = {Proceedings of the 2016 IEICE Society COnference}, year = 2016, } @inproceedings{CTT100703846, author = {Kenji Kakimoto and Daichi Kitahara and Masao Yamagishi and Isao Yamada}, title = {STABILIZATION OF ADAPTIVE EIGENVECTOR EXTRACTION BY CONTINUATION IN NESTED ORTHOGONAL COMPLEMENT STRUCTURE}, booktitle = {Proceedings of IEEE ICASSP 2016}, year = 2016, } @inproceedings{CTT100703845, author = {Masao Yamagishi and Daichi Kitahara and Isao Yamada}, title = {A FAST DUAL ITERATIVE ALGORITHM FOR CONVEXLY CONSTRAINED SPLINE SMOOTHING}, booktitle = {Proceedings of IEEE ICASSP 2016}, year = 2016, } @inproceedings{CTT100703047, author = {Shunsuke Ono and Masao Yamagishi and Takamichi Miyata and Itsuo Kumazawa}, title = {Image restoration using a stochastic variant of the alternating direction method of multipliers}, booktitle = {Proceedings of IEEE ICASSP 2016}, year = 2016, } @inproceedings{CTT100703841, author = {Masao Yamagishi and Isao Yamada}, title = {A nonexpansive operator for computationally efficient hierarchical convex optimization}, booktitle = {Proceedings of APSIPA ASC}, year = 2015, } @inproceedings{CTT100703842, author = {Kenji Kakimoto and Daichi Kitahara and Masao Yamagishi and ISAO YAMADA}, title = {On a Projection Step by Generalized Orthogonal Complement Matrices for Adaptive Subspace Tracking}, booktitle = {Proceedings of IEICE SIP Symposium}, year = 2015, } @inproceedings{CTT100698764, author = {Shunsuke Ono and Masao Yamagishi and Takamichi Miyata and Itsuo Kumazawa}, title = {Efficient image restoration based on a stochastic ADMM}, booktitle = {Proceedings of IEICE SIP Symposium}, year = 2015, } @inproceedings{CTT100703843, author = {Tomonori Fujiwara and Masao Yamagishi and ISAO YAMADA}, title = {Alternating Projection for Low-Rank and Nonnegative Matrices and its Application to Supervised NMF}, booktitle = {Proceedings of IEICE SIP Symposium}, year = 2015, } @inproceedings{CTT100703844, author = {Masao Yamagishi and Masahiro Yukawa and ISAO YAMADA}, title = {Shrinkage tuning based on a system-mismatch estimation for the sparsity-aware adaptive proximal forward-backward splitting}, booktitle = {Proceedings of IEICE SIP Symposium}, year = 2015, } @inproceedings{CTT100703840, author = {Masao Yamagishi and Seisuke Kyochi and Keiichiro Shirai and Masahiro Okuda}, title = {A regularization approach for bayer reconstruction in lossy image coding by inverse demosaicing}, booktitle = {Proceedings of IEEE ICIP}, year = 2015, } @inproceedings{CTT100693254, author = {Tomonori Fujiwara and Masao Yamagishi and Isao Yamada}, title = {Reduced-rank modeling of time-varying spectral patterns for supervised source separation}, booktitle = {Proceedings of IEEE ICASSP 2015}, year = 2015, } @inproceedings{CTT100693257, author = {Daichi Kitahara and Masao Yamagishi and Isao Yamada}, title = {A virtual resampling technique for algebraic two-dimensional phase unwrapping}, booktitle = {Proceedings of IEEE ICASSP 2015}, year = 2015, } @inproceedings{CTT100694208, author = {Keiji Furuya and Masahiro Yukawa and Masao Yamagishi and ISAO YAMADA}, title = {RIP Conditions for Exact Recovery of Group-Sparse Vectors under Two Sets of Non-Overlapping Groups}, booktitle = {IEICE Technical Report}, year = 2015, } @inproceedings{CTT100678294, author = {Masao YAMAGISHI and Isao YAMADA}, title = {A novel fixed point characterization of minimizers of convex functions involving proximable and linear composite terms}, booktitle = {Proceedings of IEICE SIP Symposium 2014}, year = 2014, } @inproceedings{CTT100678293, author = {Daichi KITAHARA and Masao YAMAGISHI and Isao YAMADA}, title = {A Preprocessing Using Convex Optimization for Algebraic Two-Dimensional Phase Unwrapping}, booktitle = {Proceedings of IEICE SIP Symposium}, year = 2014, } @inproceedings{CTT100678292, author = {Tomonori FUJIWARA and Masao YAMAGISHI and Isao YAMADA}, title = {Reduced Rank Modeling for Time-Varying Spectral Pattern with Automatic Rank Selection for Supervised NMF}, booktitle = {Proceedings of IEICE SIP Symposium}, year = 2014, } @inproceedings{CTT100678289, author = {Masao YAMAGISHI and Daichi KITAHARA and Isao YAMADA}, title = {A fast Gauss-Seidel-like splitting algorithm for convexly constrained spline smoothing}, booktitle = {Proceedings of IEICE SIP Symposium}, year = 2014, } @inproceedings{CTT100678291, author = {Naoki TOMIDA and Masao YAMAGISHI and Isao YAMADA and Toshihisa TANAKA}, title = {Multi-Class Classification for Motor-Imagery EEG Signals with A Reduced Rank Estimation Technique}, booktitle = {Proceedings of IEICE SIP Sympojium}, year = 2014, } @inproceedings{CTT100679545, author = {Masao Yamagishi and Seisuke Kyochi and Keiichiro Shirai and Masahiro Okuda}, title = {A regularization approach for image coding by inverse demosaicing}, booktitle = {Proceedings of IEICE SIP Symposium}, year = 2014, } @inproceedings{CTT100678831, author = {Masaki ONUKI and Shunsuke ONO and Masao YAMAGISHI and Yuichi TANAKA}, title = {Optimization of Spectral-Domain Graph Filters Inspired by Subspace Infromation Criterion}, booktitle = {Proceedings of IEICE SIP Symposium}, year = 2014, } @inproceedings{CTT100678287, author = {Katsuhiro TOYOKAWA and Shunsuke ONO and Masao YAMAGISHI and Isao YAMADA}, title = {Reflection Edge Detection from a Single Image and Its Applications}, booktitle = {Proceedings of IEICE SIP Symposium}, year = 2014, } @inproceedings{CTT100675871, author = {Naoki Tomida and Masao Yamagishi and Isao Yamada and Toshihisa Tanaka}, title = {A Reduced Rank Approach for Covariance Matrix Estimation in EEG Signal Classification}, booktitle = {}, year = 2014, } @inproceedings{CTT100667676, author = {Katsuhiro Toyokawa and Shunsuke Ono and Masao Yamagishi and Isao Yamada}, title = {Detecting Edges of Reflections from a Single Image via Convex Optimization}, booktitle = {Proceedings of IEEE ICASSP2014}, year = 2014, } @inproceedings{CTT100668397, author = {Hiroki Kuroda and Masao Yamagishi and Isao Yamada}, title = {Avoiding Local Trap in Nonlinear Acoustic Echo Cancellation with Clipping Compensation}, booktitle = {Proceedings of IEEE ICASSP2014}, year = 2014, } @inproceedings{CTT100668394, author = {Masao Yamagishi and Masahiro Yukawa and Isao Yamada}, title = {Shrinkage Tuning Based on An Unbiased MSE Estimate for Sparsity-aware Adaptive Filtering}, booktitle = {Proceedings of IEEE ICASSP2014}, year = 2014, } @inproceedings{CTT100668385, author = {Wemer Wee and Masao Yamagishi and Isao Yamada}, title = {Mean-square performance of the hyperslab-based adaptive projected subgradient method}, booktitle = {Proceedings of IEEE ICASSP2014}, year = 2014, } @inproceedings{CTT100667666, author = {Shunsuke Ono and Masao Yamagishi and Isao Yamada}, title = {Convex Optimization for Applications to Image Analysis and Processing: With a focus on effective utilization of the nuclear norm}, booktitle = {IEICE Technical Report}, year = 2014, } @inproceedings{CTT100664817, author = {Masao Yamagishi and Shunsuke Ono}, title = {凸然わかる凸最適化}, booktitle = {若手研究者のための信号処理ワークショップ チュートリアル講演}, year = 2013, } @inproceedings{CTT100664914, author = {Naoki Tomida and Masao Yamagishi and Isao Yamada and Toshihisa Tanaka}, title = {A Reduced Rank Estimation of Covariance Matrices for EEG Classification}, booktitle = {Proceedings of IEICE SIP Symposium 2013}, year = 2013, } @inproceedings{CTT100664912, author = {Hiroki Kuroda and Masao Yamagishi and Isao Yamada}, title = {A Robust Adaptive Learning of Saturation Nonlinearity in Acoustic Echo Cancellation}, booktitle = {Proceedings of IEICE SIP Symposium 2013}, year = 2013, } @inproceedings{CTT100664911, author = {Masao Yamagishi and Masahiro Yukawa and Isao Yamada}, title = {Shrinkage tuning based on an unbiased MSE estimate for the sparsity-aware adaptive proximal forward-backward splitting}, booktitle = {Proceedings of IEICE SIP Symposium 2013}, year = 2013, } @inproceedings{CTT100664820, author = {Katsuhiro Toyokawa and Shunsuke Ono and Masao Yamagishi and Isao Yamada}, title = {Detecting Reflection Edges from a Single Image via Redundant Color Information}, booktitle = {Proceedings of IEICE SIP Symposium 2013}, year = 2013, } @inproceedings{CTT100648866, author = {Shunsuke Ono and Masao Yamagishi and Isao Yamada}, title = {A Sparse System Identification by Using Adaptively-Weighted Total Variation via A Primal-Dual Splitting Approach}, booktitle = {Proceedings of IEEE ICASSP2013}, year = 2013, } @inproceedings{CTT100657036, author = {Katsuhiro Toyokawa and Shunsuke Ono and Masao Yamagishi and Isao Yamada}, title = {Detecting Reflection from Single Image Based on Nuclear Norm Minimization}, booktitle = {IEICE Technical Report}, year = 2013, } @inproceedings{CTT100649015, author = {Masao Yamagishi and Isao Yamada}, title = {A RANK SELECTION OF MV-PURE WITH AN UNBIASED PREDICTED-MSE CRITERION AND ITS EFFICIENT IMPLEMENTATION IN IMAGE RESTORATION}, booktitle = {Proceedings of IEEE ICASSP2013}, year = 2013, } @inproceedings{CTT100661457, author = {Masao Yamagishi and Isao Yamada}, title = {Exploiting Sparsity in Feed-Forward Active Noise Control with Adaptive Douglas-Rachford Splitting}, booktitle = {}, year = 2013, } @inproceedings{CTT100646873, author = {Masao Yamagishi and Naoto Fukuda and ISAO YAMADA}, title = {適応射影劣勾配法を用いた能動騒音制御システムに関する一考察}, booktitle = {}, year = 2012, } @inproceedings{CTT100646872, author = {Masao Yamagishi and Shunsuke Ono and Isao Yamada}, title = {Variants of the Alternating Direction Method of Multipliers with Rate of Convergence $\mathcal{O}(1/k)$}, booktitle = {}, year = 2012, } @inproceedings{CTT100646357, author = {Shunsuke Ono and Masao Yamagishi and Isao Yamada}, title = {An Adaptive Filtering Based on A Primal-Dual Splitting Characterization}, booktitle = {Proceedings of IEICE SIP Symposium 2012}, year = 2012, } @inproceedings{CTT100646871, author = {Takehiko Mizoguchi and Masao Yamagishi and ISAO YAMADA}, title = {Adaptive Projected Subgradient Method for Expanded Real Systems}, booktitle = {}, year = 2012, } @inproceedings{CTT100646869, author = {Masao Yamagishi and ISAO YAMADA}, title = {An Image Restoration by the MV-PURE with SURE Based Rank Selection}, booktitle = {}, year = 2012, } @inproceedings{CTT100639048, author = {Takayuki Yamamoto and Masao Yamagishi and Isao Yamada}, title = {Adaptive Proximal Forward-Backward Splitting for Sparse System Identification Under Impulsive Noise}, booktitle = {Proceedings of EUSIPCO 2012}, year = 2012, } @inproceedings{CTT100634381, author = {Masao Yamagishi and Shunsuke Ono and Isao Yamada}, title = {Three variants of alternating direction method of multipliers without certain inner iterations and their application to image super-resolution via sparse representation}, booktitle = {IEICE Technical Report}, year = 2012, } @inproceedings{CTT100632542, author = {Masao Yamagishi and Shunsuke Ono and Isao Yamada}, title = {Two Variants of Alternating Direction Method of Multipliers without Inner Iterations and Their Application to Image Super-Resolution}, booktitle = {Proceedings of IEEE ICASSP 2012}, year = 2012, } @inproceedings{CTT100632015, author = {Takayuki Yamamoto and Masao Yamagishi and ISAO YAMADA}, title = {L1ノルムのMoreau envelopeを用いたスパースシステムの適応同定法に関する一考察}, booktitle = {Proceedings of IEICE SIP Symposium 2011}, year = 2011, } @inproceedings{CTT100632016, author = {Masahiro Yukawa and Yuta Tahara and Masao Yamagishi and Isao Yamada}, title = {Sparse Adaptive Filters Based on Soft-Thresholding with Lp-Norm Inspired Weighting Techniques}, booktitle = {Proceedings of IEICE SIP Symposium 2011}, year = 2011, } @inproceedings{CTT100624772, author = {Isao Yamada and Silvia Gandy and Masao Yamagishi}, title = {Sparsity-aware adaptive filtering based on a Douglas-Rachford splitting}, booktitle = {Proceedings of Eusipco 2011}, year = 2011, } @inproceedings{CTT100619450, author = {Masao Yamagishi and Isao Yamada}, title = {Overrelaxation of the Fast Iterative Shrinkage/Thresholding Algorithm for Fast Signal Recovery}, booktitle = {Proceedings of IEEE SSP 2011}, year = 2011, } @inproceedings{CTT100617485, author = {Masao Yamagishi and Masahiro Yukawa and Isao Yamada}, title = {Acceleration of adaptive proximal forward-backward splitting method and its application to sparse system identification}, booktitle = {Proceedings of IEEE ICASSP 2011}, year = 2011, } @inproceedings{CTT100619090, author = {Shinji SHIMAMURA and Masao YAMAGISHI and Isao YAMADA}, title = {A Rank-Selection Criterion for MV-PURE and its Applications to Ill-conditioned Inverse Problems}, booktitle = {IEICE Technical Report}, year = 2011, } @inproceedings{CTT100619089, author = {Masao Yamagishi and Isao Yamada}, title = {Two improvements of the fast iterative shrinkage/thresholding algorithm — Overrelaxation and weak convergence}, booktitle = {IEICE Technical Report}, year = 2011, } @inproceedings{CTT100617486, author = {Masao Yamagishi and Masahiro Yukawa and Isao Yamada}, title = {Acceleration of adaptive proximal forward-backward splitting method for sparse system identification}, booktitle = {Proceedings of IEICE SIP Symposium 2010}, year = 2010, } @inproceedings{CTT100612546, author = {Masao Yamagishi and Isao Yamada}, title = {Improvement of Halftone Visibility by Convex Optimization Techniques}, booktitle = {Proceedings of IEICE SIP Symposium 2010}, year = 2010, } @inproceedings{CTT100611711, author = {Masao Yamagishi and Masahiro Yukawa and Isao Yamada}, title = {Sparse system identification by exponentially weighted adaptive parallel projection and generalized soft-thresholding}, booktitle = {}, year = 2010, } @inproceedings{CTT100593582, author = {Yukihiro Murakami and Masao Yamagishi and Masahiro Yukawa and Isao Yamada}, title = {A Sparse Adaptive Filtering Using Time-Varying Soft-Thresholding Techniques}, booktitle = {Proceedings of IEEE ICASSP 2010}, year = 2010, } @inproceedings{CTT100591899, author = {Masao YAMAGISHI and Isao YAMADA}, title = {ISTA/FISTA-type algorithms in the presence of an additional convex constraint}, booktitle = {Proceedings of IEICE SIP Symposium 2009}, year = 2009, } @inproceedings{CTT100591898, author = {Yukihiro Murakami and Masao Yamagishi and Masahiro Yukawa and Isao Yamada}, title = {Using Time-Varying Soft-Thresholding Techniques for Adaptive Identification of Sparse Systems}, booktitle = {Proceedings of IEICE SIP Symposium 2009}, year = 2009, } @inproceedings{CTT100567276, author = {Masao YAMAGISHI and Isao YAMADA}, title = {An Improvement of Subgradient Projection Operator by Composing Monotone Functions}, booktitle = {Proceedings of IEEE ICASSP 2009}, year = 2009, } @inproceedings{CTT100569766, author = {Masao YAMAGISHI and Isao YAMADA}, title = {Acceleration of the Adaboost with Exact Plane Search}, booktitle = {Proceedings of the 2009 IEICE General Conference}, year = 2009, } @inproceedings{CTT100565686, author = {Masao Yamagishi and ISAO YAMADA}, title = {An Improvement of Subgradient Projection Operator and Its Machine Learning Application}, booktitle = {Proceedings of IEICE SIP Symposium 2008}, year = 2008, } @inproceedings{CTT100564902, author = {ISAO YAMADA and Tomasz Piotrowski and Masao Yamagishi}, title = {Reduced-rank extension of BLUE and deep lipschitzian gradient projector for inverse problems}, booktitle = {IUCr2008 (CD-ROM of Abstract)}, year = 2008, } @inproceedings{CTT100546373, author = {Masao Yamagishi and ISAO YAMADA}, title = {Efficient monotone approximation operator to convex level sets by one dimensional quadratic best lower bound}, booktitle = {Proceedings of IEICE SIP Symposium 2007}, year = 2007, } @misc{CTT100657035, author = {Masao Yamagishi and ISAO YAMADA}, title = {Sparsity-Aware Feed-Forward Active Noise Control with the Adaptive Douglas-Rachford Splitting}, year = 2013, } @misc{CTT100634380, author = {Takayuki Yamamoto and Masao Yamagishi and Isao Yamada}, title = {Adaptive proximal forward-backward splitting applied to Huber loss function for sparse system identification under impulsive noise}, year = 2012, }