Motion controls using complex-valued neural networks with feedback loops. - Akira Hirose 001 (ICNN, 1993)

Fractal variation of attractors in complex-valued neural networks. - Akira Hirose 001 (Neural Process. Lett., 1994)

Proposal of coherent optical neural networks whose behavior is controlled by optical frequency. - Akira Hirose 001; Rolf Eckmiller (ICNN, 1995)

Coherent optical neural networks: generalization ability in frequency domain. - Akira Hirose 001; Rolf Eckmiller (ICNN, 1995)

Proposal of frequency-domain multiplexing in optical neural networks. - Akira Hirose 001; Rolf Eckmiller (Neurocomputing, 1996)

Behavior control of coherent-type neural networks by carrier-frequency modulation. - Akira Hirose 001; Rolf Eckmiller (IEEE Trans. Neural Networks, 1996)

Two-Dimensional Hodgkin-Huxley Equations for Investigating a Basis of Pulse-Processing Neural Networks. - Akira Hirose 001 (ICANN, 1997)

Experimental analysis of behavior stability in neuron gain domain in recurrent complex-valued neural networks. - Akira Hirose 001; Hirofumi Onishi (ICNN, 1997)

Mesoscopic Analysis and Synthesis of Membrane Potential Dynamics Using Two-Dimensional Hodgkin-Huxley Equations. - Akira Hirose 001; Shingo Murakami (ICONIP (1), 1997)

Proposal of a Brain-Type System Architecture Based on Self-Organizing Consciousness Using Coherence. - Akira Hirose 001 (ICONIP, 1998)

Proposal of relative-minimization learning for behavior stabilization of complex-valued recurrent neural networks. - Akira Hirose 001; Hirofumi Onishi (Neurocomputing, 1999)

A microscopic nervecell analysis theory for elucidating membrane potential dynamics using boundary element method. - Shingo Murakami; Akira Hirose 001 (Neurocomputing, 1999)

Proposal of Complex-Valued Region-Based-Coupling Segmentation Neural Networks and the Application to Radar Imaging Systems. - Akira Hirose 001; Katsuhiko Hiramatsu (IJCNN (1), 2000)

Predictive Self-Organizing Map for Vector Quantization of Migratory Signals. - Akira Hirose 001; Tomoyuki Nagashima (ICANN, 2002)

Spatiotemporal equations expressing microscopic two-dimensional membrane-potential dynamics. - Akira Hirose 001; Shingo Murakami (Neurocomputing, 2002)

A quantitative evaluation of dominant membrane potential in generation of magnetic field using a pyramidal cell model at hippocampus CA3. - Seiichi Sakatani; Yoshio C. Okada; Akira Hirose 001 (Neurocomputing, 2002)

A quantitative evaluation of the magnetic field generated by a CA3 pyramidal cell at EPSP and action potential stages. - Seiichi Sakatani; Akira Hirose 001 (IEEE Trans. Biomed. Eng., 2002)

Adaptive noise reduction of InSAR images based on a complex-valued MRF model and its application t o phase unwrapping problem. - Andriyan Bayu Suksmono; Akira Hirose 001 (IEEE Trans. Geosci. Remote. Sens., 2002)

Interferometric SAR image restoration using Monte Carlo metropolis method. - Andriyan Bayu Suksmono; Akira Hirose 001 (IEEE Trans. Signal Process., 2002)

Influence of Membrane Warp on Pulse Propagation Time. - Akira Hirose 001; Toshihiko Hamano (ICANN, 2003)

Phase Singular Points Reduction by a Layered Complex-Valued Neural Network in Combination with Constructive Fourier Synthesis. - Motoi Minami; Akira Hirose 001 (ICANN, 2003)

Adaptive Beamforming by Using Complex-Valued Multi Layer Perceptron. - Andriyan Bayu Suksmono; Akira Hirose 001 (ICANN, 2003)

Improving phase-unwrapping result of InSAR images by incorporating the fractal model. - Andriyan Bayu Suksmono; Akira Hirose 001 (ICIP (2), 2003)

Recursive transform-based phase unwrapping. - Andriyan Bayu Suksmono; Akira Hirose 001 (ICIP (3), 2003)

Analog continuous-time recurrent decision circuit with high signal-voltage symmetry and delay-time equality. - Akira Hirose 001; Kazuhiko Nakazawa (ISCAS (5), 2003)

Performance of Adaptive Beamforming by Using Complex-Valued Neural Network. - Andriyan Bayu Suksmono; Akira Hirose 001 (KES, 2003)

Pitch-Asynchronous Overlap-Add Waveform-Concatenation Speech Synthesis by Using a Phase-Optimizing Neural Network. - Keiichi Tsuda; Akira Hirose 001 (KES, 2003)

The influence of neuron shape changes on the firing characteristics. - Seiichi Sakatani; Akira Hirose 001 (Neurocomputing, 2003)

Analog recurrent decision circuit with high signal-voltage symmetry and delay-time equality to improve continuous-time convergence performance. - Akira Hirose 001; Kazuhiko Nakazawa (IEEE Trans. Neural Networks, 2003)

Predictive self-organizing map for vector quantization of migratory signals and its application to mobile communications. - Akira Hirose 001; Tomoyuki Nagashima (IEEE Trans. Neural Networks, 2003)

Proposal of the hybrid spectral gradient method to extract character / text regions from general scene images. - Yoichiro Baba; Akira Hirose 001 (ICIP, 2004)

Mode-Utilizing Developmental Learning Based on Coherent Neural Networks. - Akira Hirose 001; Yasufumi Asano; Toshihiko Hamano (ICONIP, 2004)

Influence of Dendritic Spine Morphology on Spatiotemporal Change of Calcium/Calmoduline-Dependent Protein Kinase Density. - Shuichi Kato; Seiichi Sakatani; Akira Hirose 001 (ICONIP, 2004)

The Spatiotemporal Dynamics of Intracellular Ion Concentration and Potential. - Seiichi Sakatani; Akira Hirose 001 (ICONIP, 2004)

Ultra-wideband Beamforming by Using a Complex-Valued Spatio-temporal Neural Network. - Andriyan Bayu Suksmono; Akira Hirose 001 (ICONIP, 2004)

Analysis of the influence of differences in somatic symmetry and sharpness on the firing rate. - Seiichi Sakatani; Akira Hirose 001 (Neurocomputing, 2004)

Intelligent beamforming by using a complex-valued neural network. - Andriyan Bayu Suksmono; Akira Hirose 001 (J. Intell. Fuzzy Syst., 2004)

Plastic mine detecting radar system using complex-valued self-organizing map that deals with multiple-frequency interferometric images. - Takahiro Hara; Akira Hirose 001 (Neural Networks, 2004)

Proposal of bilinear surface compensation of distortion in least-squares phase unwrapping. - Takeshi Oishi; Andriyan Bayu Suksmono; Akira Hirose 001 (IGARSS, 2005)

Adaptive Plastic-Landmine Visualizing Radar System: Effects of Aperture Synthesis and Feature-Vector Dimension Reduction. - Takahiro Hara; Akira Hirose 001 (IEICE Trans. Electron., 2005)

A Fractal Estimation Method to Reduce the Distortion in Phase Unwrapping Process. - Andriyan Bayu Suksmono; Akira Hirose 001 (IEICE Trans. Commun., 2005)

Beamforming of ultra-wideband pulses by a complex-valued spatio-temporal multilayer neural network. - Andriyan Bayu Suksmono; Akira Hirose 001 (Int. J. Neural Syst., 2005)

Self-organization Through Spike-Timing Dependent Plasticity Using Localized Synfire-Chain Patterns. - Toshio Akimitsu; Akira Hirose 001; Yoichi Okabe (ICONIP (1), 2006)

Phase Unwrapping with Phase-Singularity Spreading. - Akira Hirose 001; Ryo Yamaki (IGARSS, 2006)

Developmental Learning Based on Coherent Neural Networks with Behavioral Mode Tuning by Carrier-Frequency Modulation. - Akira Hirose 001; Yasufumi Asano; Toshihiko Hamano (IJCNN, 2006)

Holographic Three-Dimensional Movie Generation with Frame Interpolation Using Coherent Neural Networks. - Akira Hirose 001; Tomoaki Higo; Ken Tanizawa (IJCNN, 2006)

Snake in Phase Domain: A Method for Boundary Detection of Objects in Phase Images. - Andriyan Bayu Suksmono; Astri Handayani; Akira Hirose 001 (IJCNN, 2006)

Efficient generation of holographic movies with frame interpolation using a coherent neural network. - Akira Hirose 001; Tomoaki Higo; Ken Tanizawa (IEICE Electron. Express, 2006)

Progressive Transform-Based Phase Unwrapping Utilizing a Recursive Structure. - Andriyan Bayu Suksmono; Akira Hirose 001 (IEICE Trans. Commun., 2006)

Developmental Learning With Behavioral Mode Tuning by Carrier-Frequency Modulation in Coherent Neural Networks. - Akira Hirose 001; Yasufumi Asano; Toshihiko Hamano (IEEE Trans. Neural Networks, 2006)

Complex-Valued Neural Networks - Akira Hirose 001 (Springer, 2006)

Error Reduction in Holographic Movies Using a Hybrid Learning Method in Coherent Neural Networks. - Chor Shen Tay; Ken Tanizawa; Akira Hirose 001 (ICANN (1), 2007)

Influence of Neural Delay in Sensorimotor Systems on the Control Performance and Mechanism in Bicycle Riding. - Yusuke Azuma; Akira Hirose 001 (ICONIP (1), 2007)

Handwritten Character Distinction Method Inspired by Human Vision Mechanism. - Jumpei Koyama; Masahiro Kato; Akira Hirose 001 (ICONIP (1), 2007)

Walled LTSA Array for Rapid, High Spatial Resolution, and Phase-Sensitive Imaging to Visualize Plastic Landmines. - Soichi Masuyama; Akira Hirose 001 (IEEE Trans. Geosci. Remote. Sens., 2007)

Singularity-Spreading Phase Unwrapping. - Ryo Yamaki; Akira Hirose 001 (IEEE Trans. Geosci. Remote. Sens., 2007)

Local-spectrum-based distinction between handwritten and machine-printed characters. - Jumpei Koyama; Akira Hirose 001; Masahiro Kato (ICIP, 2008)

Singular Unit Restoration Based on Complex-Valued Markov Random Field Model for Insar Interferograms. - Ryo Yamaki; Akira Hirose 001 (IGARSS (2), 2008)

An adaptive ground penetrating radar imaging system based on complex-valued self-organizing map - recent progress and experiments in Cambodia -. - Akira Hirose 001 (IJCNN, 2008)

Distinction between handwritten and machine-printed characters with no need to locate character or text line position. - Jumpei Koyama; Masahiro Kato; Akira Hirose 001 (IJCNN, 2008)

Frequency-Multiplexing Ability of Complex-Valued Hebbian Learning in Logic Gates. - Sotaro Kawata; Akira Hirose 001 (Int. J. Neural Syst., 2008)

Multiple-Mode Selection of Walled-LTSA Array Elements for High-Resolution Imaging to Visualize Antipersonnel Plastic Landmines. - Soichi Masuyama; Kenzo Yasuda; Akira Hirose 001 (IEEE Geosci. Remote. Sens. Lett., 2008)

A Concept Generation Method Based on Mutual Information Quantity among Multiple Self-organizing Maps. - Kunio Kitahara; Akira Hirose 001 (ICONIP (2), 2009)

Local, Nonlinear Adaptive Co-registration of Master and Slave Interferometric SAR Complex Image Data for High Quality Digital Elevation Map Generation. - Ryo Natsuaki; Akira Hirose 001 (IGARSS (5), 2009)

Complex-valued neural networks: The merits and their origins. - Akira Hirose 001 (IJCNN, 2009)

Spectral Fluctuation Method: A Texture-Based Method to Extract Text Regions in General Scene Images. - Yoichiro Baba; Akira Hirose 001 (IEICE Trans. Inf. Syst., 2009)

Improvement of Plastic Landmine Visualization Performance by Use of Ring-CSOM and Frequency-Domain Local Correlation. - Yukimasa Nakano; Akira Hirose 001 (IEICE Trans. Electron., 2009)

Search Control Algorithm Based on Random Step Size Hill-Climbing Method for Adaptive PMD Compensation. - Ken Tanizawa; Akira Hirose 001 (IEICE Trans. Commun., 2009)

Singular Unit Restoration in Interferograms Based on Complex-Valued Markov Random Field Model for Phase Unwrapping. - Ryo Yamaki; Akira Hirose 001 (IEEE Geosci. Remote. Sens. Lett., 2009)

Recent Progress in Applications of Complex-Valued Neural Networks. - Akira Hirose 001 (ICAISC (2), 2010)

Numerical reconstruction of holographic microscopy images based on matching pursuits on a pair of domains. - Andriyan Bayu Suksmono; Akira Hirose 001 (ICIP, 2010)

Ground Penetrating Radar System with Integration of Mutimodal Information Based on Mutual Information among Multiple Self-Organizing Maps. - Akira Hirose 001; Ayato Ejiri; Kunio Kitahara (ICONIP (2), 2010)

Complex-valued self-organizing map clustering using complex inner product in active millimeter-wave imaging. - Takashi Aoyagi; Damri Radenamad; Yukimasa Nakano; Akira Hirose 001 (IJCNN, 2010)

Adaptive Identification of Landmine Class by Evaluating the Total Degree of Conformity of Ring-CSOM Weights in a Ground Penetrating Radar System. - Yukimasa Nakano; Akira Hirose 001 (Aust. J. Intell. Inf. Process. Syst., 2010)

Ultrasonic Imaging for Boundary Shape Generation by Phase Unwrapping with Singular-Point Elimination Based on Complex-Valued Markov Random Field Model. - Tomohiro Nishino; Ryo Yamaki; Akira Hirose 001 (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2010)

Blood Vessel Segmentation in Complex-Valued Magnetic Resonance Images with Snake Active Contour Model. - Astri Handayani; Andriyan Bayu Suksmono; Tati L. R. Mengko; Akira Hirose 001 (Int. J. E Health Medical Commun., 2010)

Synthesis of two-dimensional fractional brownian motion via circulant embedding. - Donny Danudirdjo; Akira Hirose 001 (ICIP, 2011)

Comparison of Complex- and Real-Valued Feedforward Neural Networks in Their Generalization Ability. - Akira Hirose 001; Shotaro Yoshida (ICONIP (1), 2011)

Local co-registration for distortion reduction in SAR interferogram using amplitude information - combination of SPEC method and shape-from-shading -. - Ryo Natsuaki; Akira Hirose 001 (IGARSS, 2011)

Circular Property in Complex-Valued Correlation Learning Observed in CMRF-Based Singular Unit Restoration for Phase Unwrapping. - Akira Hirose 001; Ryo Natsuaki (IScIDE, 2011)

Taper-Walled Linearly Tapered Slot Antenna. - Yukimasa Nakano; Akira Hirose 001 (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2011)

SPEC Method - A Fine Coregistration Method for SAR Interferometry. - Ryo Natsuaki; Akira Hirose 001 (IEEE Trans. Geosci. Remote. Sens., 2011)

Early-Vision-Inspired Method to Distinguish between Handwritten and Machine-Printed Character Images Using Hough Transform. - Yuuya Konno; Akira Hirose 001 (ICONIP (5), 2012)

One-Dimensional-Array Millimeter-Wave Imaging of Moving Targets for Security Purpose Based on Complex-Valued Self-Organizing Map (CSOM). - Shogo Onojima; Akira Hirose 001 (ICONIP (5), 2012)

Improvement of ALOS interferogram quality by use of the local co-registration method using singular-point and amplitude information. - Ryo Natsuaki; Akira Hirose 001 (IGARSS, 2012)

Landmine visualization system based on multiple complex-valued SOMs to integrate multimodal information. - Ayato Ejiri; Akira Hirose 001 (IJCNN, 2012)

Generalization Characteristics of Complex-Valued Feedforward Neural Networks in Relation to Signal Coherence. - Akira Hirose 001; Shotaro Yoshida (IEEE Trans. Neural Networks Learn. Syst., 2012)

Complex-Valued Neural Networks - Akira Hirose 001 (Springer, 2012)

Proposal of Ultra-Short-Pulse Acoustic Imaging Using Complex-Valued Spatio-temporal Neural-Network Null-Steering. - Kotaro Terabayashi; Akira Hirose 001 (ICONIP (3), 2013)

PHase property in complex-correlation and real-imaginary-correlation filtered SAR interferograms and its influence on DEM quality. - Ryo Natsuaki; Akira Hirose 001 (IGARSS, 2013)

Use of Poincare sphere parameters for fast supervised PolSAR land classification. - Fang Shang; Akira Hirose 001 (IGARSS, 2013)

Relationship between phase and amplitude generalization errors in complex- and real-valued feedforward neural networks. - Akira Hirose 001; Shotaro Yoshida (Neural Comput. Appl., 2013)

InSAR Local Co-Registration Method Assisted by Shape-From-Shading. - Ryo Natsuaki; Akira Hirose 001 (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2013)

Local Subpixel Coregistration of Interferometric Synthetic Aperture Radar Images Based on Fractal Models. - Donny Danudirdjo; Akira Hirose 001 (IEEE Trans. Geosci. Remote. Sens., 2013)

Fading Channel Prediction Based on Self-optimizing Neural Networks. - Tianben Ding; Akira Hirose 001 (ICONIP (1), 2014)

Complex-Valued Neural Networks - Recent Progress and Future Directions (Invited Paper). - Akira Hirose 001 (ICONIP (1), 2014)

Changes of dominant scatterers and propagation paths as a possible origin of singular points in radar interferometry: Experimental analysis. - Ryo Natsuaki; Akira Hirose 001 (IGARSS, 2014)

Considerations on C/T matrix-based polsar land classification and explorations on stokes vector-based method. - Fang Shang; Akira Hirose 001 (IGARSS, 2014)

Ultra-short-pulse acoustic imaging using complex-valued spatio-temporal neural-network for null-steering: Experimental results. - Kotaro Terabayashi; Akira Hirose 001 (IJCNN, 2014)

Circular property of complex-valued correlation learning in CMRF-based filtering for synthetic aperture radar interferometry. - Ryo Natsuaki; Akira Hirose 001 (Neurocomputing, 2014)

Millimeter-wave security imaging using complex-valued self-organizing map for visualization of moving targets. - Shogo Onojima; Yuya Arima; Akira Hirose 001 (Neurocomputing, 2014)

Quaternion Neural-Network-Based PolSAR Land Classification in Poincare-Sphere-Parameter Space. - Fang Shang; Akira Hirose 001 (IEEE Trans. Geosci. Remote. Sens., 2014)

Fading Channel Prediction Based on Combination of Complex-Valued Neural Networks and Chirp Z-Transform. - Tianben Ding; Akira Hirose 001 (IEEE Trans. Neural Networks Learn. Syst., 2014)

Guest Editorial Special Issue on Complex- and Hypercomplex-Valued Neural Networks. - Akira Hirose 001; Igor N. Aizenberg; Danilo P. Mandic (IEEE Trans. Neural Networks Learn. Syst., 2014)

Ultrawideband Direction-of-Arrival Estimation Using Complex-Valued Spatiotemporal Neural Networks. - Kotaro Terabayashi; Ryo Natsuaki; Akira Hirose 001 (IEEE Trans. Neural Networks Learn. Syst., 2014)

Proposal of Channel Prediction by Complex-Valued Neural Networks that Deals with Polarization as a Transverse Wave Entity. - Tetsuya Murata; Tianben Ding; Akira Hirose 001 (ICONIP (3), 2015)

Unsupervised Land Classification by Self-organizing Map Utilizing the Ensemble Variance Information in Satellite-Borne Polarimetric Synthetic Aperture Radar. - Yuto Takizawa; Fang Shang; Akira Hirose 001 (ICONIP (1), 2015)

Experimental analysis of singular point generation mechanisms in interferometric SAR using optics: The possibility of singular point generation by interference in a single pixel. - Shunichiro Fujinami; Ryo Natsuaki; Akira Hirose 001 (IGARSS, 2015)

Effect of coordinate rotation on stokes vector based polarimetric SAR data interpretation. - Fang Shang; Akira Hirose 001 (IGARSS, 2015)

Foreword to the Special Issue on Advances in SAR and Radar Technology. - Akira Hirose 001; Paul A. Rosen 002; Hiroyoshi Yamada; Manfred Zink (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2015)

Distortion Reduction in Singularity-Spreading Phase Unwrapping With Pseudo-Continuous Spreading and Self-Clustering Active Localization. - Gen Oshiyama; Akira Hirose 001 (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2015)

InSAR Image Regularization and DEM Error Correction With Fractal Surface Scattering Model. - Donny Danudirdjo; Akira Hirose 001 (IEEE Trans. Geosci. Remote. Sens., 2015)

Anisotropic Phase Unwrapping for Synthetic Aperture Radar Interferometry. - Donny Danudirdjo; Akira Hirose 001 (IEEE Trans. Geosci. Remote. Sens., 2015)

Averaged Stokes Vector Based Polarimetric SAR Data Interpretation. - Fang Shang; Akira Hirose 001 (IEEE Trans. Geosci. Remote. Sens., 2015)

Proposal of a Human Heartbeat Detection/Monitoring System Employing Chirp Z-Transform and Time-Sequential Neural Prediction. - Ayse Ecem Bezer; Akira Hirose 001 (ICONIP (1), 2016)

Proposal of Singular-Unit Restoration by Focusing on the Spatial Continuity of Topographical Statistics in Spectral Domain. - Kazuhide Ichikawa; Akira Hirose 001 (ICONIP (4), 2016)

High Precision Direction-of-Arrival Estimation for Wideband Signals in Environment with Interference Based on Complex-Valued Neural Networks. - Kazutaka Kikuta; Akira Hirose 001 (ICONIP (2), 2016)

Computational Performance of Echo State Networks with Dynamic Synapses. - Ryota Mori; Gouhei Tanaka; Ryosho Nakane; Akira Hirose 001; Kazuyuki Aihara (ICONIP (1), 2016)

Photonic Reservoir Computing Based on Laser Dynamics with External Feedback. - Seiji Takeda; Daiju Nakano; Toshiyuki Yamane; Gouhei Tanaka; Ryosho Nakane; Akira Hirose 001; Shigeru Nakagawa (ICONIP (1), 2016)

Exploiting Heterogeneous Units for Reservoir Computing with Simple Architecture. - Gouhei Tanaka; Ryosho Nakane; Toshiyuki Yamane; Daiju Nakano; Seiji Takeda; Shigeru Nakagawa; Akira Hirose 001 (ICONIP (1), 2016)

Dynamics of Reservoir Computing at the Edge of Stability. - Toshiyuki Yamane; Seiji Takeda; Daiju Nakano; Gouhei Tanaka; Ryosho Nakane; Shigeru Nakagawa; Akira Hirose 001 (ICONIP (1), 2016)

Proposal of singular-point-removing filters with strong nonlinearity in spectral domain. - Kazuhide Ichikawa; Akira Hirose 001 (IGARSS, 2016)

Proposal of adaptive land classification using quaternion neural network with isotropic activation function. - Kazutaka Kinugawa; Fang Shang; Naoto Usami; Akira Hirose 001 (IGARSS, 2016)

Proposal of wet snowmapping with focus on incident angle influential to depolarization of surface scattering. - Naoto Usami; Arnab Muhuri; Avik Bhattacharya; Akira Hirose 001 (IGARSS, 2016)

Proposal of polarization state prediction using quaternion neural networks for fading channel prediction in mobile communications. - Maoki Hikosaka; Tianben Ding; Akira Hirose 001 (IJCNN, 2016)

Narrowband Interference Mitigation in UWB Systems Utilizing Frequency Dependence of Null Formation in Array Antennas. - Kazutaka Kikuta; Akira Hirose 001 (IEEE Access, 2016)

PolSAR Wet Snow Mapping With Incidence Angle Information. - Naoto Usami; Arnab Muhuri; Avik Bhattacharya; Akira Hirose 001 (IEEE Geosci. Remote. Sens. Lett., 2016)

Improvement of Texture Clustering Performance in Complex-Valued SOM by Using Complex-Valued Auto-encoder for Millimeter-Wave Coherent Imaging. - Yuya Arima; Akira Hirose 001 (ICONIP (6), 2017)

Complex-Valued Neural Networks for Wave-Based Realization of Reservoir Computing. - Akira Hirose 001; Seiji Takeda; Toshiyuki Yamane; Daiju Nakano; Shigeru Nakagawa; Ryosho Nakane; Gouhei Tanaka (ICONIP (4), 2017)

Waveform Classification by Memristive Reservoir Computing. - Gouhei Tanaka; Ryosho Nakane; Toshiyuki Yamane; Seiji Takeda; Daiju Nakano; Shigeru Nakagawa; Akira Hirose 001 (ICONIP (4), 2017)

Simulation Study of Physical Reservoir Computing by Nonlinear Deterministic Time Series Analysis. - Toshiyuki Yamane; Seiji Takeda; Daiju Nakano; Gouhei Tanaka; Ryosho Nakane; Akira Hirose 001; Shigeru Nakagawa (ICONIP (1), 2017)

Combination use of multiple window sizes for stokes vector based polsar data interpretation. - Fang Shang; Akira Hirose 001 (IGARSS, 2017)

Proposal of pixel-by-pixel optimization of scattering mechanism vectors in PolInSAR to generate accurate digital elevation model. - Tomoharu Shimada; Akira Hirose 001 (IGARSS, 2017)

Performance Dependence on System Parameters in Millimeter-Wave Active Imaging Based on Complex-Valued Neural Networks to Classify Complex Texture. - Yuya Arima; Akira Hirose 001 (IEEE Access, 2017)

Foreword. - Motoyuki Sato; Akira Hirose 001 (IEICE Trans. Electron., 2017)

T-Shaped Probe Waveguide Antenna: A Wideband Reconfigurable Circular-Polarized Single-Port Antenna. - Naoto Usami; Akira Hirose 001 (IEICE Trans. Electron., 2017)

Adaptive land classification and new class generation by unsupervised double-stage learning in Poincare sphere space for polarimetric synthetic aperture radars. - Yuto Takizawa; Fang Shang; Akira Hirose 001 (Neurocomputing, 2017)

Singular Unit Restoration in InSAR Using Complex-Valued Neural Networks in the Spectral Domain. - Kazuhide Ichikawa; Akira Hirose 001 (IEEE Trans. Geosci. Remote. Sens., 2017)

Singularity-spreading phase unwrapping: Its basic idea and the influence of time and space discreteness on the dynamics. - Akira Hirose 001 (APSIPA, 2018)

Complex-Valued and Quaternion Neural Networks to Deal with Complex Amplitude and Polarization: Their Strength in Electronics. - Akira Hirose 001 (APSIPA, 2018)

Proposal of Carrier-Wave Reservoir Computing. - Akira Hirose 001; Gouhei Tanaka; Seiji Takeda; Toshiyuki Yamane; Hidetoshi Numata; Naoki Kanazawa; Jean Benoit Héroux; Daiju Nakano; Ryosho Nakane (ICONIP (1), 2018)

Proposal of Complex-Valued Convolutional Neural Networks for Similar Land-Shape Discovery in Interferometric Synthetic Aperture Radar. - Yuki Sunaga; Ryo Natsuaki; Akira Hirose 001 (ICONIP (1), 2018)

Dimensionality Reduction by Reservoir Computing and Its Application to IoT Edge Computing. - Toshiyuki Yamane; Hidetoshi Numata; Jean Benoit Héroux; Naoki Kanazawa; Seiji Takeda; Gouhei Tanaka; Ryosho Nakane; Akira Hirose 001; Daiju Nakano (ICONIP (1), 2018)

Proposal of Millimeter-Wave Adaptive Glucose-Concentration Estimation System Using Complex-Valued Neural Networks. - Shizhen Hu; Akira Hirose 001 (IGARSS, 2018)

Polarization Feature Extraction Using Quaternion Neural Networks for Flexible Unsupervised Polsar Land Classification. - Hyunsoo Kim; Akira Hirose 001 (IGARSS, 2018)

Codebook-Based Hierarchical Polarization Feature for Unsupervised Fine Land Classification Using High-Resolution PolSAR Data. - Hyunsoo Kim; Akira Hirose 001 (IGARSS, 2018)

Profiles of RFI in Alos-2 Images - A Case Study in Tokyo Bay, Japan. - Ryo Natsuaki; Akira Hirose 001 (IGARSS, 2018)

L-Band SAR Interferometric Analysis for Flood Detection in Urban Area - a Case Study in 2015 Joso Flood, Japan. - Ryo Natsuaki; Akira Hirose 001 (IGARSS, 2018)

Proposal of Singular-Unit Compensation in Polarimetric-Interferometric Synthetic Aperture Radar by Phasor-Quaternion Neural Networks. - Kohei Oyama; Akira Hirose 001 (IGARSS, 2018)

Performance of entire-spectrum-processing complex-valued neural-network filter to generate digital elevation model in interferometric radar. - Kohei Oyama; Akira Hirose 001 (IJCNN, 2018)

Reservoir Computing With Spin Waves Excited in a Garnet Film. - Ryosho Nakane; Gouhei Tanaka; Akira Hirose 001 (IEEE Access, 2018)

Development of Complex-Valued Self-Organizing-Map Landmine Visualization System Equipped with Moving One-Dimensional Array Antenna. - Erika Koyama; Akira Hirose 001 (IEICE Trans. Electron., 2018)

Isotropization of Quaternion-Neural-Network-Based PolSAR Adaptive Land Classification in Poincare-Sphere Parameter Space. - Kazutaka Kinugawa; Fang Shang; Naoto Usami; Akira Hirose 001 (IEEE Geosci. Remote. Sens. Lett., 2018)

Direction-of-Arrival Estimation of Ultra-Wideband Signals in Narrowband Interference Environment Based on Power Inversion and Complex-Valued Neural Networks. - Kazutaka Kikuta; Akira Hirose 001 (Neural Process. Lett., 2018)

Experimental Analysis on the Mechanisms of Singular Point Generation in InSAR by Employing Scaled Optical Interferometry. - Shunichiro Fujinami; Ryo Natsuaki; Kazuhide Ichikawa; Akira Hirose 001 (IEEE Trans. Geosci. Remote. Sens., 2018)

Unsupervised Fine Land Classification Using Quaternion Autoencoder-Based Polarization Feature Extraction and Self-Organizing Mapping. - Hyunsoo Kim; Akira Hirose 001 (IEEE Trans. Geosci. Remote. Sens., 2018)

Pixel-by-Pixel Scattering Mechanism Vector Optimization in High-Resolution PolInSAR. - Tomoharu Shimada; Ryo Natsuaki; Akira Hirose 001 (IEEE Trans. Geosci. Remote. Sens., 2018)

Proposal of Online Regularization for Dynamical Structure Optimization in Complex-Valued Neural Networks. - Tianben Ding; Akira Hirose 001 (ICONIP (2), 2019)

Application Identification of Network Traffic by Reservoir Computing. - Toshiyuki Yamane; Jean Benoit Héroux; Hidetoshi Numata; Gouhei Tanaka; Ryosho Nakane; Akira Hirose 001 (ICONIP (5), 2019)

Dependence of Polarimetric Characteristics on Sar Resolutions: Experimental Analysis. - Hyunsoo Kim; Jungmin Song; Ryo Natsuaki; Akira Hirose 001 (IGARSS, 2019)

Proposal Of Three-Port Dielectric Waveguide Probes For Human Blood Glucose Monitoring. - Seko Nagae; Akira Hirose 001 (IGARSS, 2019)

Proposal of Adaptive Search-and-Rescue Radar System with online Complex-Valued Frequency-Domain Independent Component Analysis. - Takahiro Nakanishi; Akira Hirose 001 (IGARSS, 2019)

Enhancement of Polarization Mechanism in Pixel-By-Pixel Phase Optimization in Polinsar. - Yuta Otsuka; Ryo Natsuaki; Akira Hirose 001 (IGARSS, 2019)

Target Clustering in Three-Dimensional Ground Penetrating Radar Based on Time-Domain Phase Information and Complex-Valued Self-Organizing Map. - Soshi Shimomura; Akira Hirose 001 (IGARSS, 2019)

In a Spin-Wave Reservoir for Machine Learning. - Ryosho Nakane; Gouhei Tanaka; Akira Hirose 001 (IJCNN, 2019)

Physical reservoir computing: Possibility to resolve the inconsistency between neuro-AI principles and its hardware. - Akira Hirose 001; Seiji Takeda; Toshiyuki Yamane; Hidetoshi Numata; Naoki Kanazawa; Jean Benoit Héroux; Daiju Nakano; Ryosho Nakane; Gouhei Tanaka (Aust. J. Intell. Inf. Process. Syst., 2019)

Echo State Networks Composed of Units with Time-Varying Nonlinearity. - Gouhei Tanaka; Ryosho Nakane; Akira Hirose 001 (Aust. J. Intell. Inf. Process. Syst., 2019)

Foreword. - Akira Hirose 001; Koichi Hirayama (IEICE Trans. Electron., 2019)

Recent advances in physical reservoir computing: A review. - Gouhei Tanaka; Toshiyuki Yamane; Jean Benoit Héroux; Ryosho Nakane; Naoki Kanazawa; Seiji Takeda; Hidetoshi Numata; Daiju Nakano; Akira Hirose 001 (Neural Networks, 2019)

Millimeter-Wave Adaptive Glucose Concentration Estimation With Complex-Valued Neural Networks. - Shizhen Hu; Seko Nagae; Akira Hirose 001 (IEEE Trans. Biomed. Eng., 2019)

Unsupervised Hierarchical Land Classification Using Self-Organizing Feature Codebook for Decimeter-Resolution PolSAR. - Hyunsoo Kim; Akira Hirose 001 (IEEE Trans. Geosci. Remote. Sens., 2019)

Phasor Quaternion Neural Networks for Singular Point Compensation in Polarimetric-Interferometric Synthetic Aperture Radar. - Kohei Oyama; Akira Hirose 001 (IEEE Trans. Geosci. Remote. Sens., 2019)

Degree of Polarization-Based Data Filter for Fully Polarimetric Synthetic Aperture Radar. - Fang Shang; Naoto Kishi; Akira Hirose 001 (IEEE Trans. Geosci. Remote. Sens., 2019)

Land Form Classification and Similar Land-Shape Discovery by Using Complex-Valued Convolutional Neural Networks. - Yuki Sunaga; Ryo Natsuaki; Akira Hirose 001 (IEEE Trans. Geosci. Remote. Sens., 2019)

Editorial: Booming of Neural Networks and Learning Systems. - Akira Hirose 001; Alessio Micheli; Artur S. d'Avila Garcez; Choon Ki Ahn; Gang Pan 001; Hamid Reza Karimi; Jianbing Shen; José de Jesús Rubio; Lei Zhang 005; Lingjia Liu 001; Lorenzo Livi; Nian Zhang; et al. (IEEE Trans. Neural Networks Learn. Syst., 2019)

Reduction of Polarization-State Spread in Phase-Distortion Mitigation by Phasor-Quaternion Neural Networks in PolInSAR. - Kohei Oyama; Akira Hirose 001 (ICONIP (4), 2020)

Complex-Valued Convolutional Neural Networks in Interferometric Synthetic Aperture Radar and Their Teacher-Image Pollution Influence on the Performance. - Yuki Sunaga; Ryo Natsuaki; Akira Hirose 001 (IGARSS, 2020)

Spatial distribution of information effective for logic function learning in spin-wave reservoir computing chip utilizing spatiotemporal physical dynamics. - Takehiro Ichimura; Ryosho Nakane; Gouhei Tanaka; Akira Hirose 001 (IJCNN, 2020)

Similar land-form discovery: Complex absolute-value max pooling in complex-valued convolutional neural networks in interferometric synthetic aperture radar. - Yuki Sunaga; Ryo Natsuaki; Akira Hirose 001 (IJCNN, 2020)

Online Regularization of Complex-Valued Neural Networks for Structure Optimization in Wireless-Communication Channel Prediction. - Tianben Ding; Akira Hirose 001 (IEEE Access, 2020)

Data Arrangement With Rotation Transformation for Fully Polarimetric Synthetic Aperture Radar. - Fang Shang; Xiaoyun Huang; Hai Liu 002; Akira Hirose 001 (IEEE Geosci. Remote. Sens. Lett., 2020)

Adaptive Subsurface 3-D Imaging Based on Peak Phase-Retrieval and Complex-Valued Self-Organizing Map. - Soshi Shimomura; Akira Hirose 001 (IEEE Geosci. Remote. Sens. Lett., 2020)

Millimeter-Wave Coherent Imaging of Moving Targets by Using Complex-Valued Self-Organizing Map and Auto-Encoder. - Yuya Arima; Akira Hirose 001 (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2020)

Foreword to the Special Issue on the 2019 IEEE International Geoscience and Remote Sensing Symposium (IGARSS 2019). - Akira Hirose 001; Irena Hajnsek; Akira Iwasaki; Hiroyoshi Yamada (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2020)

Consideration on Singular-Point Generating Mechanisms by Analyzing the Effect of Phase-and-Polarization Optimization in PolInSAR. - Yuta Otsuka; Tomoharu Shimada; Ryo Natsuaki; Akira Hirose 001 (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2020)

Spatially Arranged Sparse Recurrent Neural Networks for Energy Efficient Associative Memory. - Gouhei Tanaka; Ryosho Nakane; Tomoya Takeuchi; Toshiyuki Yamane; Daiju Nakano; Yasunao Katayama; Akira Hirose 001 (IEEE Trans. Neural Networks Learn. Syst., 2020)

Adaptive Subsurface Imaging based on Peak Phase-Profile: The Significance in Separation of Scattering Phase from Propagation Phase. - Akira Hirose 001; Soshi Shimomura (APSIPA ASC, 2021)

Generalization characteristics of complex-valued reservoir computing for interferometric synthetic aperture radar applications. - Bungo Konishi; Akira Hirose 001; Ryo Natsuaki (APSIPA ASC, 2021)

Discussion on the Origin of the Strength of Phasor Quaternion Self-Organizing Map. - Yicheng Song; Akira Hirose 001 (APSIPA ASC, 2021)

Proposal of higher-order tensor independent component analysis for signal separation in multiple-input multiple-output respiration/heartbeat remote sensing*. - Seishiro Goto; Ryo Natsuaki; Akira Hirose 001 (EMBC, 2021)

Processing-Response Dependence on the On-Chip Readout Positions in Spin-Wave Reservoir Computing. - Takehiro Ichimura; Ryosho Nakane; Akira Hirose 001 (ICONIP (3), 2021)

Proposal of Complex-Valued Reservoir Computing for Topographic Aspect Classification. - Bungo Konishi; Akira Hirose 001; Ryo Natsuaki (IGARSS, 2021)

Proposal of PolSAR Land Classification Using Quaternion Convolutional Neural Networks. - Yuya Matsumoto; Ryo Natsuaki; Akira Hirose 001 (IGARSS, 2021)

Proposal of a Ground Penetrating Radar System Utilizing Polarization Information by Using Phasor-Quaternion Self-Organizing Map. - Yicheng Song; Akira Hirose 001 (IGARSS, 2021)

A Numerical Exploration of Signal Detector Arrangement in a Spin-Wave Reservoir Computing Device. - Takehiro Ichimura; Ryosho Nakane; Gouhei Tanaka; Akira Hirose 001 (IEEE Access, 2021)

2.65Gbps Downlink Communications with Polarization Multiplexing in X-Band for Small Earth Observation Satellite. - Tomoki Kaneko; Noriyuki Kawano; Yuhei Nagao; Keishi Murakami; Hiromi Watanabe; Makoto Mita; Takahisa Tomoda; Keiichi Hirako; Seiko Shirasaka; Shinichi Nakasuka; Hirobumi Saito; Akira Hirose 001 (IEICE Trans. Commun., 2021)

Complex-Valued Reservoir Computing for Interferometric SAR Applications With Low Computational Cost and High Resolution. - Bungo Konishi; Akira Hirose 001; Ryo Natsuaki (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2021)

Proposal of Detection of Subsurface Objects with Model-Based Homogeneity to Extend Compressed Sensing. - Ryuta Imai; Yicheng Song; Ryo Natsuaki; Akira Hirose 001 (IGARSS, 2022)

Neural Network Model for Multi-Sensor Fusion and Inverse Mapping Dynamics for the Analysis of Significant Factors. - Gunjan Joshi; Ryo Natsuaki; Akira Hirose 001 (IGARSS, 2022)

InSAR Phase Unwrapping Using Dynamics of Coupled Phase Oscillators of the Kuramoto Model. - Bungo Konishi; Akira Hirose 001; Ryo Natsuaki (IGARSS, 2022)

Proposal of PolSAR Land Classification Using Full-Learning Quaternion Convolutional Neural Networks. - Yuya Matsumoto; Ryo Natsuaki; Akira Hirose 001 (IGARSS, 2022)

Polarimetric Analysis of RFI in L-Band SAR System. - Ryo Natsuaki; Akira Hirose 001 (IGARSS, 2022)

Predicting polarization state based on quaternion neural networks to facilitate channel prediction. - Haotian Chen; Ryo Natsuaki; Akira Hirose 001 (IJCNN, 2022)

Proposal of Film-penetrating Transducers for a Spin-wave Reservoir Computing Chip. - Jiaxuan Chen; Ryosho Nakane; Gouhei Tanaka; Akira Hirose 001 (IJCNN, 2022)

Proposal of Reconstructive Reservoir Computing to Detect Anomaly in Time-series Signals. - Junya Kato; Gouhei Tanaka; Ryosho Nakane; Akira Hirose 001 (IJCNN, 2022)

Polarization-Aware Prediction of Mobile Radio Wave Propagation Based on Complex-Valued and Quaternion Neural Networks. - Haotian Chen; Ryo Natsuaki; Akira Hirose 001 (IEEE Access, 2022)

Performance enhancement of a spin-wave-based reservoir computing system utilizing different physical conditions. - Ryosho Nakane; Akira Hirose 001; Gouhei Tanaka (CoRR, 2022)

SRAM: A Septum-Type Polarizer Design Method Based on Superposed Even- and Odd-Mode Excitation Analysis. - Tomoki Kaneko; Hirobumi Saito; Akira Hirose 001 (IEICE Trans. Electron., 2022)

A Simple Memristive Circuit for Pattern Classification Based on Reservoir Computing. - Zhiqiang Tong; Ryosho Nakane; Akira Hirose 001; Gouhei Tanaka (Int. J. Bifurc. Chaos, 2022)

Full-Learning Rotational Quaternion Convolutional Neural Networks and Confluence of Differently Represented Data for PolSAR Land Classification. - Yuya Matsumoto; Ryo Natsuaki; Akira Hirose 001 (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2022)

Model-Based Homogeneity to Extend Compressed Sensing for Ground Penetrating Radar. - Ryuta Imai; Yicheng Song; Ryo Natsuaki; Akira Hirose 001 (IEEE Trans. Geosci. Remote. Sens., 2022)

Phasor-Quaternion Self-Organizing-Map-Based Ground Penetrating Radar Systems. - Yicheng Song; Akira Hirose 001 (IEEE Trans. Geosci. Remote. Sens., 2022)

Guest Editorial Special Issue on New Frontiers in Extremely Efficient Reservoir Computing. - Gouhei Tanaka; Claudio Gallicchio; Alessio Micheli; Juan-Pablo Ortega; Akira Hirose 001 (IEEE Trans. Neural Networks Learn. Syst., 2022)

Skin-Penetrating Interfaces for Millimeter-Wave Non-Invasive Glucose Concentration Estimation: Numerical Analysis. - Lena Azuma; Ryo Natsuaki; Akira Hirose 001 (EMBC, 2023)

Estimation of Dielectric Constant Distribution Utilizing Subsurface Objects Based on Radar Image Focusing. - Ryuta Imai; Ryo Natsuaki; Akira Hirose 001 (IGARSS, 2023)

Target-Phase-Focused Feature Synthesis and Extraction for Weakly Scattering Objects in Ground Penetrating Radar. - Ryuta Imai; Ryo Natsuaki; Akira Hirose 001 (IGARSS, 2023)

Automated Determination of Normalized Indices Useful for Glacier Surface Classification. - Gunjan Joshi; Ryo Natsuaki; Akira Hirose 001 (IGARSS, 2023)

INSAR Phase Filtering By Attention-Based Reservoir Computing For High Reliability. - Bungo Konishi; Akira Hirose 001; Ryo Natsuaki (IGARSS, 2023)

Proposal of Biquaternion Neural Networks for Coherent Processing of Polarization-and-Phase Information in Polsar and Polinsar. - Yuta Otsuka; Ryo Natsuaki; Akira Hirose 001 (IGARSS, 2023)

Landmine Detection Based on Generalized Riemannian Quaternion Self-Organizing Map. - Yicheng Song; Ryo Natsuaki; Akira Hirose 001 (IGARSS, 2023)

Extending Observation Coverage of SAR by Separating Range Ambiguous Signals Using PN-sequences. - Raito Suzuki; Ryo Natsuaki; Akira Hirose 001 (IGARSS, 2023)

Time-domain Fading Channel Prediction Based on Spin-wave Reservoir Computing. - Jiaxuan Chen; Haotian Chen; Ryosho Nakane; Gouhei Tanaka; Akira Hirose 001 (IJCNN, 2023)

Symbol Detection for Polarization Shift Keying Based on Quaternion Neural Networks. - Haotian Chen; Ryo Natsuaki; Akira Hirose 001 (IJCNN, 2023)

Reservoir Computing for Symbol Detection of Optical Wireless Scattering Communications. - Haotian Chen; Ryo Natsuaki; Akira Hirose 001 (IJCNN, 2023)

Neural Network Fusion Processing and Inverse Mapping to Combine Multisensor Satellite Data and Analyze the Prominent Features. - Gunjan Joshi; Ryo Natsuaki; Akira Hirose 001 (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2023)

Application of Inverse Mapping for Automated Determination of Normalized Indices Useful for Land Surface Classification. - Gunjan Joshi; Ryo Natsuaki; Akira Hirose 001 (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2023)

Riemannian Quaternion Self-Organizing Map to Overcome Degree-of-Polarization Error in Polarimetric Ground-Penetrating Radar. - Yicheng Song; Ryo Natsuaki; Akira Hirose 001 (IEEE Trans. Geosci. Remote. Sens., 2023)

Editorial: Physical neuromorphic computing and its industrial applications. - Toshiyuki Yamane; Akira Hirose 001; Bert Jan Offrein (Frontiers Neuroinformatics, 2023)

Recursive Probability Mass Function Method to Calculate Probability Distributions of Pulse-Shaped Signals. - Tomoya Fukami; Hirobumi Saito; Akira Hirose 001 (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2023)

Wrist measurement for millimeter-wave non-invasive glucose monitoring: Numerical analysis of an anatomically realistic tissue model. - Lena Azuma; Ryo Natsuaki; Akira Hirose 001 (EMBC, 2024)

Utilizing Small and Large Spectral Radii for Appropriate Reservoir Computing Design. - Bungo Konishi; Akira Hirose 001; Ryo Natsuaki (ICONIP (1), 2024)

RFI Detection Using Degree of Polarization for Polarimetric Synthetic Aperture Radar. - Yu Hashimoto; Ryo Natsuaki; Akira Hirose 001 (IGARSS, 2024)

Complex-Valued Neural-Network Inverse Mapping for Explainability in PolSAR/InSAR Applications. - Gunjan Joshi; Ryo Natsuaki; Akira Hirose 001 (IGARSS, 2024)

Polarimetric Goldstein Filter for Interferometric Phase Denoising. - Yuta Otsuka; Ryo Natsuaki; Akira Hirose 001 (IGARSS, 2024)

Landmine Detection Based on Riemannian Phasor Quaternion Self-Organizing Map. - Yicheng Song; Ryo Natsuaki; Akira Hirose 001 (IGARSS, 2024)

Optimizing PN-Sequences with Genetic Algorithm for SAR Waveform Diversity. - Raito Suzuki; Akira Hirose 001; Ryo Natsuaki (IGARSS, 2024)

Time-series Forecasting Coding: A New Processing Method Developed from Predictive Coding for Recurrent Neural Networks. - Yuto Wakui; Junya Kato; Ryo Natsuaki; Akira Hirose 001 (IJCNN, 2024)

Nonlinearity Enhancement in Spin-Wave Reservoir Computing with the Utilization of Coexisting Magnetostatic Modes. - Zhuocheng Yang; Jiaxuan Chen; Akira Hirose 001 (IJCNN, 2024)

Removal of Synthetic Aperture Radar Range Ambiguity by Observing Adjacent Regions. - Raiki Kudo; Akira Hirose 001; Ryo Natsuaki (IEEE Geosci. Remote. Sens. Lett., 2024)

Multisensor Glacier Surface Classification Using Confidence-Aware Explainable Inverse-Mapping Neural Network. - Gunjan Joshi; Celia A. Baumhoer; Andreas J. Dietz; Ryo Natsuaki; Akira Hirose 001 (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2024)

Biquaternion Fourier Domain Filter for InSAR Noise Suppression by Enhancing Polarimetric-Interferometric Fringe Patterns. - Yuta Otsuka; Ryo Natsuaki; Akira Hirose 001 (IEEE Trans. Geosci. Remote. Sens., 2024)

Quaternion Neural Networks: A physics-incorporated intelligence framework [Hypercomplex Signal and Image Processing]. - Akira Hirose 001; Fang Shang; Yuta Otsuka; Ryo Natsuaki; Yuya Matsumoto; Naoto Usami; Yicheng Song; Haotian Chen (IEEE Signal Process. Mag., 2024)

Robust Symbol Detection Based on Quaternion Neural Networks in Wireless Polarization-Shift-Keying Communications. - Haotian Chen; Ryo Natsuaki; Akira Hirose 001 (IEEE Trans. Neural Networks Learn. Syst., 2024)

Enhancement of Short-Term Memory with Tilted External Magnetic Field for Spin-Wave Reservoir Computing. - Zhuocheng Yang; Jiaxuan Chen; Akira Hirose 001 (IJCNN, 2025)

Quaternion reservoir computing for spatiotemporal analysis in polarimetric synthetic aperture radar. - Kitoshi Kawai; Bungo Konishi; Ryo Natsuaki; Akira Hirose 001 (Neurocomputing, 2025)

Degree-of-Polarization-Based Radio Frequency Interference Detection for Synthetic Aperture Radar. - Yu Hashimoto; Akira Hirose 001; Ryo Natsuaki (IEEE Trans. Geosci. Remote. Sens., 2025)