Design of limit-cycle-free digital biquad filters. - Akinori Nishihara (ICASSP, 1986)

Design and implementation of multidimensional Y-C separation filters for NTSC signals. - Toshiyuki Yoshida; Katsumi Ashizawa; Akinori Nishihara (IEEE Trans. Circuits Syst. Video Technol., 1992)

Maximally flat FIR filters. - Todor Cooklev; Akinori Nishihara (ISCAS, 1993)

Maximally flat fir hilbert transformers. - Todor Cooklev; Akinori Nishihara (Int. J. Circuit Theory Appl., 1993)

Modular Realization of Bandstop and Bandpass FIR Digital Filters. - Saed Samadi; Akinori Nishihara; Nobuo Fujii (ISCAS, 1994)

Regular multidimensional linear phase FIR digital filter banks and wavelet bases. - Todor Cooklev; Akinori Nishihara; Toshiyuki Yoshida; Michael Sablatash (ICASSP, 1995)

Design of FIR Digital Filters with Minimum Weight Representation. - Mitsuhiko Yagyu; Toshiyuki Yoshida; Akinori Nishihara; Nobuo Fujii (ISCAS, 1995)

Lattice structure for two-channel filter banks with complex coefficients, which yield symmetric wavelet bases. - Todor Cooklev; Akinori Nishihara; Masaki Kato (EUSIPCO, 1996)

Two-channel multifilter banks and multiwavelets. - Todor Cooklev; Akinori Nishihara; Masaki Kato; Michael Sablatash (ICASSP, 1996)

Adaptive AR spectral estimation based on multi-band decomposition of the linear prediction error with variable forgetting factors. - Fernando Gil Vianna Resende Jr.; Paulo S. R. Diniz; Mineo Kaneko; Akinori Nishihara (ICASSP, 1997)

Minimization of finite wordlength error in 2-D FIR digital filters in the frequency domain. - Mitsuhiko Yagyu; Akinori Nishihara; Nobuo Fujii (ICASSP, 1997)

Regular orthonormal and biorthogonal wavelet filters. - Todor Cooklev; Akinori Nishihara; Mike Sablatash (Signal Process., 1997)

Multidimensional Two-channel Linear Phase FIR Filter Banks and Wavelet Bases with Vanishing Moments. - Todor Cooklev; Akinori Nishihara; Toshiyuki Yoshida; Mike Sablatash (Multidimens. Syst. Signal Process., 1998)

Generalized half-band maximally flat FIR filters. - Saed Samadi; Akinori Nishihara; Hiroshi Iwakura (ISCAS (3), 1999)

Memory address allocation method for a indirect addressing DSP with consideration of modification in local computational order. - Nobuhiko Sugino; Harushige Funaki; Akinori Nishihara (ISCAS (3), 1999)

Biorthogonal coiflets. - Todor Cooklev; Akinori Nishihara (IEEE Trans. Signal Process., 1999)

Explicit formula for generalized half-band maximally flat diamond-shaped filters. - Saed Samadi; Akinori Nishihara (ISCAS, 2000)

Universal maximally flat lowpass FIR systems. - Saed Samadi; Akinori Nishihara; Hiroshi Iwakura (IEEE Trans. Signal Process., 2000)

A high-speed FIR digital filter with CSD coefficients implemented on FPGA. - Mitsuru Yamada; Akinori Nishihara (ASP-DAC, 2001)

Response of maximally flat lowpass filters to polynomial signals. - Saed Samadi; Akinori Nishihara (ISCAS (2), 2001)

A design of cyclic filter banks. - Fumio Itami; Eiji Watanabe; Akinori Nishihara (APCCAS (1), 2002)

Memory allocation method for indirect addressing with an index register. - Yuhei Kaneko; Nobuhiko Sugino; Akinori Nishihara (APCCAS (1), 2002)

Stochastic model of image signals for charged particle detector. - Mitsuru Yamada; Akinori Nishihara (APCCAS (2), 2002)

Step-response-based characterization of nonuniform perfect-reconstruction filter banks. - Saed Samadi; Akinori Nishihara; M. Omair Ahmad; M. N. S. Swamy (ISCAS (1), 2002)

Stable Single-Bit Noise-Shaping Quantizer Based on ΣΔ Modulation and Successive Data Coding into Pre-Optimized Binary Vectors. - Mitsuhiko Yagyu; Akinori Nishihara (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2002)

An Implementation of Lattice Filters Using Four Operands Real Multiply Accumulation. - Yoshimasa Negishi; Eiji Watanabe; Akinori Nishihara (J. Circuits Syst. Comput., 2002)

Concise representation and cellular structure for universal maximally flat FIR filters. - Saed Samadi; Akinori Nishihara (ISCAS (4), 2003)

Foreword. - Akinori Nishihara (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2003)

A Log-Normal Distribution Model for Electron Multiplying Detector Signals in Charged Particle Beam Equipments. - Mitsuru Yamada; Akinori Nishihara (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2003)

Fast and efficient algorithm to design noise-shaping FIR filters for high-order overload-free stable sigma-delta modulators. - Mitsuhiko Yagyu; Akinori Nishihara (ISCAS (1), 2004)

New graph transformation schemes in graph-based memory allocation method for an indirect addressing DSP. - Nobuhiko Sugino; Tomoyuki Matsuura; Akinori Nishihara (ISCAS (5), 2005)

Design Method for 2-Channel Signal Word Decomposed Filters with Minimum Output Error and Their Effective VLSI Implementation. - Kohei Hosokawa; Mitsuhiko Yagyu; Akinori Nishihara (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2005)

A Change Detection Method for Image Sequences Based on Physical Models. - Fumio Itami; Eiji Watanabe; Akinori Nishihara (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2005)

Memory Allocation and Code Optimization Methods for DSPs with Indexed Auto-Modification. - Yuhei Kaneko; Nobuhiko Sugino; Akinori Nishihara (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2005)

Multirate Filter Bank-based Conversion of Image Resolution. - Fumio Itami; Eiji Watanabe; Akinori Nishihara (APCCAS, 2006)

On the use of linear prediction for Acoustic Feedback Cancellation in multi-band hearing aids. - P. Chaisakul; Nisachon Tangsangiumvisai; P. Luangpitakchumpon; Akinori Nishihara (EUSIPCO, 2006)

Dithered Subband Coding with Spectral Subtraction. - Chatree Budsabathon; Akinori Nishihara (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2006)

Analytic Constructions of Periodic and Non-periodic Complementary Sequences. - Todor Cooklev; Akinori Nishihara (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2006)

Bandwidth Extension with Hybrid Signal Extrapolation for Audio Coding. - Chatree Budsabathon; Akinori Nishihara (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2007)

Stereophonic Acoustic Echo Canceler Based on Two-Filter Scheme. - Noriaki Murakoshi; Akinori Nishihara (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2007)

Eigensignals of Downsamplers in Time and Transform Domains. - Saed Samadi; M. Omair Ahmad; Akinori Nishihara; M. N. S. Swamy (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2007)

Explicit Formula for Predictive FIR Filters and Differentiators Using Hahn Orthogonal Polynomials. - Saed Samadi; Akinori Nishihara (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2007)

Gradient-Limited Affine Projection Algorithm for Double-Talk-Robust and Fast-Converging Acoustic Echo Cancellation. - Suehiro Shimauchi; Youichi Haneda; Akitoshi Kataoka; Akinori Nishihara (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2007)

A realization of digital filter banks for reconstruction of uniformly sampled signals from nonuniform samples. - Fumio Itami; Eiji Watanabe; Akinori Nishihara (APCCAS, 2008)

Rigid Image Registration by Using Corner and Edge Contents with Application to Super-Resolution. - Duangnapa Wangrattanapranee; Akinori Nishihara (DICTA, 2008)

New Learning Services: Customized and Secured Evaluation. - Rosario Gil 001; Elio San Cristóbal; Sergio Martín 001; Gabriel Díaz 001; Manuel Castro 001; Juan Peire; Akinori Nishihara (ICIW, 2008)

Identification of Piecewise Linear Uniform Motion Blur. - Karn Patanukhom; Akinori Nishihara (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2008)

Multiple-Image-Based Restoration for Motion Blur with Non-uniform Point Spread Function. - Karn Patanukhom; Akinori Nishihara (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2008)

Online secondary path modeling in multichannel active noise control systems using variable step size. - Muhammad Tahir Akhtar; Masahide Abe; Masayuki Kawamata; Akinori Nishihara (Signal Process., 2008)

Relationship between Consecutive Frames in Generalized Harmonics Analysis for Predictive Coding. - Hisayori Noda; Akinori Nishihara (ISCAS, 2009)

Fast and Accurate Generalized Harmonic Analysis and Its Parallel Computation by GPU. - Hisayori Noda; Akinori Nishihara (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2009)

Restoration of Images Degraded by Linear Motion Blurred Objects in Still Background. - Karn Patanukhom; Akinori Nishihara (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2009)

Discrete Wirtinger-Type Inequalities for Gauging the Power of Sinusoids Buried in Noise. - Saed Samadi; Kaveh Mollaiyan; Akinori Nishihara (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2009)

Exemplar-based image inpainting with patch shifting scheme. - Sarawut Tae-O-Sot; Akinori Nishihara (DSP, 2011)

Iterative Gradient-Driven Patch-Based Inpainting. - Sarawut Tae-O-Sot; Akinori Nishihara (PSIVT (2), 2011)

Synthesis of 2-Channel IIR Paraunitary Filter Banks by Successive Extraction of 2-Port Lattice Sections. - Nagato Ueda; Eiji Watanabe; Akinori Nishihara (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2011)

Advanced Mobile Lecture Viewing: Summarization and Two-Way Navigation. - Ernesto Rivera; Akinori Nishihara (Int. J. Handheld Comput. Res., 2012)

Increase teachers' presence and immediacy in slide videos. - Jianxia Cao; Akinori Nishihara (EDUCON, 2013)

Automatic screening of narrow anterior chamber angle and angle-closure glaucoma based on slit-lamp image analysis by using support vector machine. - C. Theeraworn; Waree Kongprawechnon; Toshiaki Kondo; Pished Bunnun; Akinori Nishihara; Anita Manassakorn (EMBC, 2013)

Acoustic feedback neutralization in digital hearing aids - A two adaptive filters-based solution. - Muhammad Tahir Akhtar; Akinori Nishihara (ISCAS, 2013)

On delay-based technique for acoustic feedback cancellation in digital hearing aids. - Muhammad Tahir Akhtar; Akinori Nishihara (MWSCAS, 2013)

Efficient voice activity detection algorithm using long-term spectral flatness measure. - Yanna Ma; Akinori Nishihara (EURASIP J. Audio Speech Music. Process., 2013)

An Open RF-Digital Interface for Software-Defined Radios. - Todor Cooklev; Akinori Nishihara (IEEE Micro, 2013)

A delay-based dual adaptive filtering solution for acoustic feedback in digital hearing aids. - Muhammad Tahir Akhtar; Akinori Nishihara (ISPACS, 2014)

A modified Wiener filtering method combined with wavelet thresholding multitaper spectrum for speech enhancement. - Yanna Ma; Akinori Nishihara (EURASIP J. Audio Speech Music. Process., 2014)

Erratum to: Efficient voice activity detection algorithm using long-term spectral flatness measure. - Yanna Ma; Akinori Nishihara (EURASIP J. Audio Speech Music. Process., 2015)

Two-microphone subband noise reduction scheme with a new noise subtraction parameter for speech quality enhancement. - Thiri Thandar Aung; Hathaichanok Thumchirdchupong; Nisachon Tangsangiumvisai; Akinori Nishihara (IET Signal Process., 2015)

Evolutionary pre-training for CRJ-type reservoir of echo state networks. - Sumeth Yuenyong; Akinori Nishihara (Neurocomputing, 2015)

Automatic tuning of probe noise for continuous acoustic feedback cancelation in hearing aids. - Muhammad Tahir Akhtar; Akinori Nishihara (EUSIPCO, 2016)

Lattice adaptive filtering-based method for acoustic feedback cancellation in hearing aids with robustness against sudden changes in the feedback path. - Muhammad Tahir Akhtar; Akinori Nishihara (IWSDA, 2017)

Effect of instructor inclusion type and course complexity on students' learning in lecturer video. - Jianxia Cao; Akinori Nishihara; Shijuan Wang (ICETC, 2018)

Two-Adaptive Filter-Based Method Using Gain Controlled Probe Noise for Acoustic Feedback Neutralization in Digital Hearing Aids. - Muhammad Tahir Akhtar; Akinori Nishihara (IWAENC, 2018)

Audio Files. - Muhammad Tahir Akhtar; Felix Albu; Akinori Nishihara (IEEE DataPort, 2018)

Acoustic feedback cancellation in hearing aids using dual adaptive filtering and gain-controlled probe signal. - Muhammad Tahir Akhtar; Felix Albu; Akinori Nishihara (Biomed. Signal Process. Control., 2019)

Prediction Error Method (PEM)-Based Howling Cancellation in Hearing Aids: Can We Do Better? - Muhammad Tahir Akhtar; Felix Albu; Akinori Nishihara (IEEE Access, 2023)