| 2025 | ICASSP | A Proximal Variable Smoothing for Nonsmooth Minimization Involving Weakly Convex Composite with MIMO Application. | Keita Kume, Isao Yamada |
| 2025 | ICASSP | Hierarchical Nash Equilibrium over Variational Equilibria via Fixed-point Set Expression of Quasi-nonexpansive Operator. | Shota Matsuo, Keita Kume, Isao Yamada |
| 2024 | ICASSP | A Variable Smoothing for Nonconvexly Constrained Nonsmooth Optimization with Application to Sparse Spectral Clustering. | Keita Kume, Isao Yamada |
| 2024 | ICASSP | Imposing Early and Asymptotic Constraints on Ligme with Application to Nonconvex Enhancement of Fused Lasso Models. | Wataru Yata, Isao Yamada |
| 2024 | ICASSP | Computing an Entire Solution Path of a Nonconvexly Regularized Convex Sparse Model. | Yi Zhang, Isao Yamada |
| 2023 | ICASSP | A Compensated Shrinkage Affine Projection Algorithm for Debiased Sparse Adaptive Filtering. | Yi Zhang, Isao Yamada |
| 2021 | ACSSC | DC-LiGME: An Efficient Algorithm for Improved Convex Sparse Regularization. | Yi Zhang, Isao Yamada |
| 2021 | ICASSP | A Global Cayley Parametrization of Stiefel Manifold for Direct Utilization of Optimization Mechanisms Over Vector Spaces. | Keita Kume, Isao Yamada |
| 2020 | ICASSP | Exploiting Commutativity Condition for CP Decomposition Via Approximate Simultaneous Diagonalization. | Riku Akema, Masao Yamagishi, Isao Yamada |
| 2019 | ICASSP | Convexity-edge-preserving Signal Recovery with Linearly Involved Generalized Minimax Concave Penalty Function. | Jiro Abe, Masao Yamagishi, Isao Yamada |
| 2019 | ICASSP | An Alternating Projection Algorithm for Approximate Simultaneous Diagonalization. | Riku Akema, Masao Yamagishi, Isao Yamada |
| 2019 | ICASSP | Hypercomplex Low Rank Matrix Completion with Non-negative Constraints via Convex Optimization. | Takehiko Mizoguchi, Isao Yamada |
| 2018 | ICASSP | Automatic Shrinkage Tuning Robust to Input Correlation for Sparsity-Aware Adaptive Filtering. | Kwangjin Jeong, Masahiro Yukawa, Masao Yamagishi, Isao Yamada |
| 2018 | ICASSP | Alternating Minimization Approach for Identification of Piecewise Continuous Hammerstein Systems. | Hiroki Kuroda, Masao Yamagishi, Isao Yamada |
| 2018 | ICASSP | Hypercomplex Tensor Completion with Cayley-Dickson Singular Value Decomposition. | Takehiko Mizoguchi, Isao Yamada |
| 2017 | ICASSP | Acceleration of Adaptive normalized quasi-Newton algorithm with improved upper bounds of the condition number. | Kenji Kakimoto, Masao Yamagishi, Isao Yamada |
| 2017 | ICASSP | Accelerating the hybrid steepest descent method for affinely constrained convex composite minimization tasks. | Konstantinos Slavakis, Isao Yamada, Shunsuke Ono |
| 2017 | ICASSP | Global behavior of parallel projection method for certain nonconvex feasibility problems. | Masao Yamagishi, Isao Yamada |
| 2017 | ICASSP | Automatic shrinkage tuning based on a system-mismatch estimate for sparsity-aware adaptive filtering. | Masao Yamagishi, Masahiro Yukawa, Isao Yamada |
| 2016 | ICASSP | Stabilization of adaptive eigenvector extraction by continuation in nested orthogonal complement structure. | Kenji Kakimoto, Daichi Kitahara, Masao Yamagishi, Isao Yamada |
| 2016 | ICASSP | Two-dimensional positive spline smoothing and its application to probability density estimation. | Daichi Kitahara, Isao Yamada |
| 2016 | ICASSP | A fast dual iterative algorithm for convexly constrained spline smoothing. | Masao Yamagishi, Daichi Kitahara, Isao Yamada |
| 2015 | ICASSP | Reduced-rank modeling of time-varying spectral patterns for supervised source separation. | Tomonori Fujiwara, Masao Yamagishi, Isao Yamada |
| 2015 | ICASSP | Probability density function estimation by positive quartic C | Daichi Kitahara, Isao Yamada |
| 2015 | ICASSP | A virtual resampling technique for algebraic two-dimensional phase unwrapping. | Daichi Kitahara, Masao Yamagishi, Isao Yamada |
| 2015 | ICASSP | Total generalized variation for graph signals. | Shunsuke Ono, Isao Yamada, Itsuo Kumazawa |
| 2014 | CVPR | Decorrelated Vectorial Total Variation. | Shunsuke Ono, Isao Yamada |
| 2014 | ICASSP | Algebraic phase unwrapping over collection of triangles based on two-dimensional spline smoothing. | Daichi Kitahara, Isao Yamada |
| 2014 | ICASSP | Avoiding local trap in nonlinear acoustic echo cancellation with clipping compensation. | Hiroki Kuroda, Masao Yamagishi, Isao Yamada |
| 2014 | ICASSP | Second-order total Generalized Variation constraint. | Shunsuke Ono, Isao Yamada |
| 2014 | ICASSP | Reduced-rank neural activity index for EEG/MEG multi-source localization. | Tomasz Piotrowski, David Gutirrez, Isao Yamada, Jaroslaw Zygierewicz |
| 2014 | ICASSP | Detecting edges of reflections from a single image via convex optimization. | Katsuhiro Toyokawa, Shunsuke Ono, Masao Yamagishi, Isao Yamada |
| 2014 | ICASSP | Mean-square performance of the hyperslab-based adaptive projected subgradient method. | Wemer M. Wee, Masao Yamagishi, Isao Yamada |
| 2014 | ICASSP | Shrinkage tuning based on an unbiased MSE estimate for sparsity-aware adaptive filtering. | Masao Yamagishi, Masahiro Yukawa, Isao Yamada |
| 2013 | CVPR | A Convex Regularize for Reducing Color Artifact in Color Image Recovery. | Shunsuke Ono, Isao Yamada |
| 2013 | ICASSP | Algebraic phase unwrapping for functional data analytic estimations - Extensions and stabilizations. | Daichi Kitahara, Isao Yamada |
| 2013 | ICASSP | An algebraic real translation of hypercomplex linear systems and its application to adaptive filtering. | Takehiko Mizoguchi, Isao Yamada |
| 2013 | ICASSP | Poisson image restoration with likelihood constraint via hybrid steepest descent method. | Shunsuke Ono, Isao Yamada |
| 2013 | ICASSP | A sparse system identification by using adaptively-weighted total variation via a primal-dual splitting approach. | Shunsuke Ono, Masao Yamagishi, Isao Yamada |
| 2013 | ICASSP | MV-PURE estimator of dipole source signals in EEG. | Tomasz Piotrowski, Claudia C. Zaragoza-Martnez, David Gutirrez, Isao Yamada |
| 2013 | ICASSP | A proximal splitting approach to regularized distributed adaptive estimation in diffusion networks. | Wemer M. Wee, Isao Yamada |
| 2013 | ICASSP | A rank selection of MV-PURE with an unbiased predicted-MSE criterion and its efficient implementation in image restoration. | Masao Yamagishi, Isao Yamada |
| 2013 | ICIP | Optimized JPEG image decompression with super-resolution interpolation using multi-order total variation. | Shunsuke Ono, Isao Yamada |
| 2012 | ICAISC | Efficient Parallel Computation of the Stochastic MV-PURE Estimator by the Hybrid Steepest Descent Method. | Tomasz Piotrowski, Isao Yamada |
| 2012 | ICASSP | Missing region recovery by promoting blockwise low-rankness. | Shunsuke Ono, Takamichi Miyata, Isao Yamada, Katsunori Yamaoka |
| 2012 | ICASSP | Performance of the stochastic MV-PURE estimator with explicit modeling of uncertainty. | Tomasz Piotrowski, Isao Yamada |
| 2012 | ICASSP | Two variants of alternating direction method of multipliers without certain inner iterations and their application to image super-resolution. | Masao Yamagishi, Shunsuke Ono, Isao Yamada |
| 2012 | ISCAS | Sparsity-aware adaptive filters based on ℓp-norm inspired soft-thresholding technique. | Masahiro Yukawa, Yuta Tawara, Masao Yamagishi, Isao Yamada |
| 2011 | ICASSP | Acceleration of adaptive proximal forward-backward splitting method and its application to sparse system identification. | Masao Yamagishi, Masahiro Yukawa, Isao Yamada |
| 2010 | ICASSP | Alternating minimization techniques for the efficient recovery of a sparsely corrupted low-rank matrix. | Silvia Gandy, Isao Yamada |
| 2010 | ICASSP | A sparse adaptive filtering using time-varying soft-thresholding techniques. | Yukihiro Murakami, Masao Yamagishi, Masahiro Yukawa, Isao Yamada |
| 2010 | ICASSP | Link probability control for probabilistic diffusion least-mean squares over resource-constrained networks. | Noriyuki Takahashi, Isao Yamada |
| 2010 | ICASSP | Multi-domain adaptive filtering by feasibility splitting. | Masahiro Yukawa, Konstantinos Slavakis, Isao Yamada |
| 2010 | ICASSP | Minimal antenna-subset selection under capacity constraint for power-efficient MIMO systems: A relaxed | Masahiro Yukawa, Isao Yamada |
| 2010 | ICASSP | A deterministic analysis of variable-metric adaptive filtering algorithms under small metric-fluctuations. | Masahiro Yukawa, Isao Yamada |
| 2009 | ICASSP | Learning in diffusion networks with an adaptive projected subgradient method. | Renato L. G. Cavalcante, Isao Yamada, Bernard Mulgrew |
| 2009 | ICASSP | Why the stochastic MV-PURE estimator excels in highly noisy situations? | Tomasz Piotrowski, Isao Yamada |
| 2009 | ICASSP | Diffusion least-mean squares with adaptive combiners. | Noriyuki Takahashi, Isao Yamada, Ali H. Sayed |
| 2009 | ICASSP | An improvement of subgradient projection operator by composing monotonic functions. | Masao Yamagishi, Isao Yamada |
| 2008 | ICASSP | Peak-to-average power ratio reduction in OFDM systems by the adaptive projected subgradient method. | Renato L. G. Cavalcante, Isao Yamada |
| 2008 | ICASSP | Steady-state performance of hyperslab projection algorithm. | Noriyuki Takahashi, Isao Yamada |
| 2007 | ICASSP | Multiaccess Interference Reduction in OSTBC-MIMO Systems by Adaptive Projected Subgradient Method. | Renato L. G. Cavalcante, Isao Yamada |
| 2007 | ICASSP | Online Kernel-Based Classification by Projections. | Konstantinos Slavakis, Sergios Theodoridis, Isao Yamada |
| 2007 | ICASSP | Adaptive Parallel Variable-Metric Projection Algorithm -An Application to Acoustic Echo Cancellation. | Masahiro Yukawa, Isao Yamada |
| 2006 | ICASSP | Steady-State Performance of Constrained Normalized Adaptive Filters for CDMA Systems. | Renato L. G. Cavalcante, Isao Yamada |
| 2006 | ICASSP | Robust Capon Beamforming by the Adaptive Projected Subgradient Method. | Konstantinos Slavakis, Masahiro Yukawa, Isao Yamada |
| 2006 | ICASSP | An Efficient Heuristic Approach to the Infeasible Downlink Power Control Problem. | Noriyuki Takahashi, Masahiro Yukawa, Isao Yamada |
| 2006 | ICASSP | Minimum-Variance Pseudo-Unbiased Low-Rank Estimator for Ill-Conditioned Inverse Problems. | Isao Yamada, Jamal Elbadraoui |
| 2006 | ICASSP | Adaptive Beamforming by Constrained Parallel Projection in the Presence of Spatially-Correlated Interferences. | Masahiro Yukawa, Isao Yamada |
| 2006 | ISCAS | Adaptive projected subgradient method and its applications to robust signal processing. | Isao Yamada, Konstantinos Slavakis, Masahiro Yukawa, Renato L. G. Cavalcante |
| 2006 | MMSP | An Edge-Preserving Super-Precision for Simultaneous Enhancement of Spacial and Grayscale Resolutions. | Hiroshi Hasegawa, Toshinori Ohtsuka, Isao Yamada, Koichi Sakaniwa |
| 2005 | GLOBECOM | Set-theoretic DS/CDMA receivers for fading channels by adaptive projected subgradient method. | Renato L. G. Cavalcante, Masahiro Yukawa, Isao Yamada |
| 2005 | ICASSP | An adaptive super-resolution of videos with noise information on camera systems. | Toshiyuki Ono, Hiroshi Hasegawa, Isao Yamada, Kohichi Sakaniwa |
| 2005 | ICASSP | Efficient adaptive blind MAI suppression in DS/CDMA by embedded constraint parallel projection techniques. | Masahiro Yukawa, Renato L. G. Cavalcante, Isao Yamada |
| 2005 | ICIP | A color super-resolution with multiple nonsmooth constraints by hybrid steepest descent method. | Ryota Sasahara, Hiroshi Hasegawa, Isao Yamada, Kohichi Sakaniwa |
| 2005 | ISCAS | High-resolution DOA estimation by algebraic phase unwrapping algorithm. | Isao Yamada |
| 2004 | MMSP | An iterative MPEG super-resolution with an outer approximation of framewise quantization constraint. | Hiroshi Hasegawa, Toshiyuki Ono, Isao Yamada, Kohichi Sakaniwa |
| 2003 | ICASSP | Locally reduced-rank optimal filtering and its approximation by successive alternating minimization. | Isao Yamada, Jamal Elbadraoui |
| 2002 | ICASSP | A hidgher order generalization of an alias-free discrete time-frequency analysis. | Hiroshi Hasegawa, Yasuhiro Miki, Isao Yamada, Kohichi Sakaniwa |
| 2002 | ICASSP | Spectrum estimation of real vector wide sense stationary processes by the Hybrid Steepest Descent Method. | Konstantinos Slavakis, Isao Yamada, Kohichi Sakaniwa |
| 2002 | ISCAS | A truncated polynomial interpolation theorem and its application to the WLS design of IIR filters. | Hiroshi Hasegawa, Masashi Nakagawa, Isao Yamada, Kohichi Sakaniwa |
| 2001 | ICASSP | An efficient robust adaptive filtering scheme based on parallel subgradient projection techniques. | Isao Yamada, Konstantinos Slavakis, Kenyu Yamada |
| 2001 | ISCAS | Compactly supported matrix valued wavelets-biorthogonal unconditional bases. | Konstantinos Slavakis, Isao Yamada |
| 1999 | ICASSP | An optimal set-theoretic blind deconvolution scheme based on hybrid steepest descent method. | Isao Yamada, Masanori Kato, Kohichi Sakaniwa |
| 1999 | ICIP | A Nonlinear Pre-Filtering Technique for Set-Theoretic Linear Blind Deconvolution Scheme. | Isao Yamada, Masanori Kato, Kohichi Sakaniwa |
| 1999 | ISCAS | Approximation of convexly constrained pseudoinverse by hybrid steepest descent method. | Isao Yamada |
| 1999 | ISCAS | A simple M-dimensional model-based phase unwrapping based on integration by parts. | Isao Yamada, Koji Nakajima |
| 1996 | ICIP | Constrained parallel projection methods for optimal signal estimation and design-constrained inconsistent signal feasibility problems. | Isao Yamada, Nobuhiko Ogura, Akito Goto, Kohichi Sakaniwa |
| 1994 | ISCAS | A Necessary Condition for Linear Phase in Two Dimensional Perfect Reconstruction QMF Banks. | Kaoru Kurosawa, Isao Yamada, Masayuki Ihara |
| 1994 | ISCAS | Optimum Highpass Filter in Linear Phase Perfect Reconstruction QMF Bank. | Kaoru Kurosawa, Isao Yamada, Naonori Yamashita, Toshiriro Komou |
| 1993 | ISCAS | A fast stability test for multidimensional systems. | Kaoru Kurosawa, Isao Yamada, Tetsunari Yokokawa, Shigeo Tsujii |