Akihiro Hirano

Publication Activity (10 Years)

Years Active: 1992-2018
Publications (10 Years): 1

Top Topics

Dc Dc Converter

Video Super Resolution

Top Venues

IEICE Trans. Inf. Syst.

Publications

Reo Aoki, Kousuke Imamura, Akihiro Hirano, Yoshio Matsuda
High-Performance Super-Resolution via Patch-Based Deep Neural Network for Real-Time Implementation. IEICE Trans. Inf. Syst. (11) (2018)
Kenji Nakayama, Yuki Ofuji, Akihiro Hirano
An adaptive control method for regression coefficient in frequency domain non-linear echo suppressor. EUSIPCO (2012)
Kenji Nakayama, Hiroki Horita, Akihiro Hirano
A BCI System Based on Orthogonalized EEG Data and Multiple Multilayer Neural Networks in Parallel Form. ICANN (1) (2010)
Akihiko Sugiyama, Yuusuke Mizuno, Akihiro Hirano, Kenji Nakayama
A stereo echo canceller with simultaneous input-sliding and sliding-period control. ICASSP (2010)
Kenji Nakayama, Shoya Higashi, Akihiro Hirano
A noise estimation method based on improved VAD used in noise spectral suppression under highly non-stationary noise environments. EUSIPCO (2009)
Akihiko Sugiyama, Yuusuke Mizuno, Laurent Kazdaghli, Akihiro Hirano, Kenji Nakayama
A stereo echo canceller with simultaneous 2-channel input slides for fast convergence and good sound localization. EUSIPCO (2009)
Kenji Nakayama, Akihide Horita, Akihiro Hirano
Effects of propagation delays and sampling rate on feed-back BSS and comparative studies with feed-forward BSS. EUSIPCO (2008)
Kenji Nakayama, Hiroki Horita, Akihiro Hirano
Neural Network Based BCI by Using Orthogonal Components of Multi-channel Brain Waves and Generalization. ICANN (2) (2008)
Akihide Horita, Kenji Nakayama, Akihiro Hirano
A distortion free learning algorithm for multi-channel convolutive blind source separation. EUSIPCO (2007)
Akihide Horita, Kenji Nakayama, Akihiro Hirano
Analysis and Comparative Study of Source Separation Performances in Feed-Forward and Feed-Back BSSs Based on Propagation Delays in Convolutive Mixture. ICANN (1) (2007)
Akihide Horita, Kenji Nakayama, Akihiro Hirano
A Distortion-Free Learning Algorithm for Feedforward Multi-Channel Blind Source Separation. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (12) (2007)
Kenji Nakayama, Haruo Katou, Akihiro Hirano
A feedback approach to over complete BSS and its learning algorithm. EUSIPCO (2007)
Akihide Horita, Kenji Nakayama, Akihiro Hirano, Yasuhiro Dejima
A Distortion Free Learning Algorithm for Feedforward BSS and ITS Comparative Study with Feedback BSS. IJCNN (2006)
Akihide Horita, Kenji Nakayama, Akihiro Hirano, Yasuhiro Dejima
A learning algorithm with distortion free constraint and comparative study for feedforward and feedback BSS. EUSIPCO (2006)
Akihiko Sugiyama, Yann Joncour, Akihiro Hirano, Takao Nishitani, Gérard Faucon
A Stereo Echo Canceler with Input Slides and Counter-Lateralization. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (6) (2006)
Kenji Nakayama, Akihiro Hirano, Hiroaki Kashimoto
A synchronized learning algorithm for nonlinear part in a lattice predictor based adaptive Volterra filter. EUSIPCO (2005)
Kenji Nakayama, Akihiro Hirano, Hiroaki Kashimoto
A lattice predictor based adaptive Volterra filter and a synchronized learning algorithm. EUSIPCO (2004)
Akihiro Hirano, Kenji Nakayama, Daisuke Someda, Masahiko Tanaka
Stereophonic acoustic echo canceller without pre-processing. ICASSP (4) (2004)
Takayuki Nishiwaki, Kenji Nakayama, Akihiro Hirano
A blind source separation cascading separation and linearization for low-order nonlinear mixtures. ICASSP (5) (2004)
Akihiko Sugiyama, Akihiro Hirano, Kenji Nakayama
Acoustic echo cancellation for conference systems. EUSIPCO (2004)
Naoki Tokui, Kenji Nakayama, Akihiro Hirano
Block implementation of a synchronized learning algorithm in adaptive lattice filters. ICASSP (6) (2003)
Akihiko Sugiyama, Shigeji Ikeda, Akihiro Hirano
A fast convergence algorithm for sparse-tap adaptive FIR filters identifying an unknown number of dispersive regions. IEEE Trans. Signal Process. 50 (12) (2002)
Naoki Tokui, Kenji Nakayama, Akihiro Hirano
A synchronized learning algorithm for reflection coefficients and tap weights in a joint lattice predictor and transversal filter. ICASSP (2001)
Akihiko Sugiyama, Yann Joncour, Akihiro Hirano
A stereo echo canceler with correct echo-path identification based on an input-sliding technique. IEEE Trans. Signal Process. 49 (11) (2001)
Kenji Nakayama, Akihiro Hirano, Motoki Nitta
A Constraint Learning Algorithm for Blind Source Separation. IJCNN (3) (2000)
Kenji Nakayama, Akihiro Hirano, Aki Kanbe
A Structure Trainable Neural Network with Embedded Gating Units and Its Learning Algorithm. IJCNN (3) (2000)
Kenji Nakayama, Akihiro Hirano, Issei Ido
A multilayer neural network with nonlinear inputs and trainable activation functions: structure and simultaneous learning algorithm. IJCNN (1999)
Osamu Hoshuyama, Akihiko Sugiyama, Akihiro Hirano
A robust adaptive beamformer for microphone arrays with a blocking matrix using constrained adaptive filters. IEEE Trans. Signal Process. 47 (10) (1999)
Akihiro Hirano, Kenji Nakayama, Kazunobu Watanabe
Convergence analysis of stereophonic echo canceller with pre-processing-relation between pre-processing and convergence. ICASSP (1999)
Kenji Nakayama, Akihiro Hirano, Hiroaki Sakaguchi
A polyphase and FFT realization of modulation sub-band adaptive filter with minimum sampling rate. ICASSP (1999)
Yann Joncour, Akihiko Sugiyama, Akihiro Hirano
DSP implementation and performance evaluation of a stereo echo canceler with pre-processing. EUSIPCO (1998)
Osamu Hoshuyama, Brigitte Begasse, Akihiko Sugiyama, Akihiro Hirano
A real time robust adaptive microphone array controlled by an SNR estimate. ICASSP (1998)
Osamu Hoshuyama, Akihiko Sugiyama, Akihiro Hirano
A robust adaptive microphone array with improved spatial selectivity and its evaluation in a real environment. ICASSP (1997)
Akihiro Hirano, Akihiko Sugiyama, Shigeji Ikeda
DSP implementation and performance evaluation of sparse-tap adaptive FIR filters with tap-position control. ICASSP (1996)
Tomoyuki Kudou, Akihiro Hirano, Hidetoshi Miike
Recovering 3D shape and texture from continuous focus series: using a polarized filter. ICIP (1) (1996)
Akihiro Hirano, Akihiko Sugiyama
A noise-robust stochastic gradient algorithm with an adaptive step-size suitable for mobile hands-free telephones. ICASSP (1995)
Akihiro Hirano, Akihiko Sugiyama, Yasuhiro Arasawa, Noboru Kawayachi
DSP implementation and performance evaluation of a compact stereo echo canceller. ICASSP (2) (1994)
Masahiro Iwadare, Akihiko Sugiyama, Fumie Hazu, Akihiro Hirano, Takao Nishitani
A 128 kb/s Hi-Fi Audio CODEC Based on Adaptive Transform Coding with Adaptive Block Size MDCT. IEEE J. Sel. Areas Commun. 10 (1) (1992)