IEICE Trans

Yutaka FUKUI

Threshold Equalization for On-Line Signature Verification Isao NAKANISHI Hiroyuki SAKAMOTO Yoshio ITOH Yutaka FUKUI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2008/08/01 Vol. E91-A No. 8 pp. 2244-2247 Type of Manuscript: LETTER Category: Cryptography and Information Security Keyword: on-line signature verification, score level fusion, threshold equalization, multi-matcher, DWT,
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Speech Noise Reduction System Based on Frequency Domain ALE Using Windowed Modified DFT Pair Isao NAKANISHI Yuudai NAGATA Takenori ASAKURA Yoshio ITOH Yutaka FUKUI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2006/04/01 Vol. E89-A No. 4 pp. 950-959 Type of Manuscript: Special Section PAPER (Special Section on Selected Papers from the 18th Workshop on Circuits and Systems in Karuizawa) Category: Keyword: speech processing, noise reduction, adaptive line enhancer, frequency domain, decorrelation parameter, modified DFT pair, window function,
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DWT Domain On-Line Signature Verification Using the Pen-Movement Vector Isao NAKANISHI Hiroyuki SAKAMOTO Naoto NISHIGUCHI Yoshio ITOH Yutaka FUKUI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2006/04/01 Vol. E89-A No. 4 pp. 1129-1131 Type of Manuscript: LETTER Category: Information Security Keyword: on-line signature verification, DWT, pen-movement vector, computational complexity,
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Multi-Matcher On-Line Signature Verification System in DWT Domain Isao NAKANISHI Hiroyuki SAKAMOTO Naoto NISHIGUCHI Yoshio ITOH Yutaka FUKUI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2006/01/01 Vol. E89-A No. 1 pp. 178-185 Type of Manuscript: Special Section PAPER (Special Section on Cryptography and Information Security) Category: Information Hiding Keyword: on-line signature verification, DWT, multi-matcher, pen-position, pen-movement angle,
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Parallel Composition Based Adaptive Notch Filter: Performance and Analysis Arata KAWAMURA Yoshio ITOH James OKELLO Masaki KOBAYASHI Yutaka FUKUI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2004/07/01 Vol. E87-A No. 7 pp. 1747-1755 Type of Manuscript: PAPER Category: Digital Signal Processing Keyword: adaptive notch filter, convergence performance, frequency estimation, bias,
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A Realization of Multiple Circuit Transfer Functions Using OTA-C Integrator Loop Structure Takao TSUKUTANI Masami HIGASHIMURA Yasutomo KINUGASA Yasuaki SUMI Yutaka FUKUI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2003/02/01 Vol. E86-A No. 2 pp. 509-512 Type of Manuscript: LETTER Category: Analog Signal Processing Keyword: operational transconductance amplifiers, grounded capacitors, high-pass, band-stop and all-pass transfer functions, continuous-time filter circuit,
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A New Noise Reduction Method Using Estimated Noise Spectrum Arata KAWAMURA Kensaku FUJII Yoshio ITOH Yutaka FUKUI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2002/04/01 Vol. E85-A No. 4 pp. 784-789 Type of Manuscript: Special Section PAPER (Special Section of Selected Papers from the 14th Workshop on Circuits and Systems in Karuizawa) Category: Keyword: noise reduction, linear prediction, adaptive digital filter, signal whitening, noise reconstruction,
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Electronically Tunable Current-Mode Biquad Using OTAs and Grounded Capacitors Takao TSUKUTANI Masami HIGASHIMURA Yasuaki SUMI Yutaka FUKUI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2001/10/01 Vol. E84-A No. 10 pp. 2595-2599 Type of Manuscript: LETTER Category: Analog Signal Processing Keyword: current-mode circuit, operational transconductance amplifier, biquad characteristics, continuous-time filter circuit,
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Improvement of Active Net Model for Region Detection in an Image Noboru YABUKI Yoshitaka MATSUDA Makoto OTA Yasuaki SUMI Yutaka FUKUI Shigehiko MIKI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2001/03/01 Vol. E84-A No. 3 pp. 720-726 Type of Manuscript: Special Section PAPER (Special Section of Selected Papers from the 13th Workshop on Circuits and Systems in Karuizawa) Category: Keyword: Active Net, region detection, energy optimization, image processing,
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The Automatic Counting of Chlorella Using Image Processing and Neural Network Yasuaki SUMI Makoto OTA Noboru YABUKI Shigeki OBOTE Yoshitaka MATSUDA Yutaka FUKUI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2001/03/01 Vol. E84-A No. 3 pp. 794-796 Type of Manuscript: Special Section LETTER (Special Section of Selected Papers from the 13th Workshop on Circuits and Systems in Karuizawa) Category: Keyword: chlorella, counting, pattern recognition, neural network, back propagation,
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An Adaptive Algorithm for Cascaded Notch Filter with Reduced Bias James OKELLO Shin'ichi ARITA Yoshio ITOH Yutaka FUKUI Masaki KOBAYASHI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2001/02/01 Vol. E84-A No. 2 pp. 589-596 Type of Manuscript: PAPER Category: Digital Signal Processing Keyword: adaptive notch filter, frequency estimation, bias,
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Robust DSP Type Squaring Loop with Adaptive Notch Filter Type Frequency Estimator and Adaptive BPF Shigeki OBOTE Yasuaki SUMI Yoshio ITOH Yutaka FUKUI Masaki KOBAYASHI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2001/02/01 Vol. E84-A No. 2 pp. 441-448 Type of Manuscript: Special Section PAPER (Special Section on Noise Cancellation and Reduction Techniques) Category: Narrow-Band Interference Cancellation Keyword: squaring loop, coherent detection, BPSK, adaptive notch filter, frequency estimator,
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On the Necessity of Estimating the Transfer Level in an Allpass-FIR ADF by the Use of Lyapunov Criteria James OKELLO Shin'ichi ARITA Yoshio ITOH Yutaka FUKUI Masaki KOBAYASHI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2000/05/25 Vol. E83-A No. 5 pp. 888-894 Type of Manuscript: PAPER Category: Digital Signal Processing Keyword: allpass filter, transfer level, Lyapunov criteria,
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PLL Frequency Synthesizer with Binary Phase Comparison Shigeki OBOTE Yasuaki SUMI Naoki KITAI Yutaka FUKUI Yoshio ITOH
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2000/03/25 Vol. E83-A No. 3 pp. 427-434 Type of Manuscript: Special Section PAPER (Special Section of Selected Papers from the 12th Workshop on Circuits and Systems in Karuizawa) Category: Keyword: PLL frequency synthesizer, binary phase comparison,
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Prescaler PLL Frequency Synthesizer with Multi-Programmable Divider Yasuaki SUMI Shigeki OBOTE Naoki KITAI Hidekazu ISHII Ryousuke FURUHASHI Yutaka FUKUI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2000/03/25 Vol. E83-A No. 3 pp. 421-426 Type of Manuscript: Special Section PAPER (Special Section of Selected Papers from the 12th Workshop on Circuits and Systems in Karuizawa) Category: Keyword: PLL frequency synthesizer, prescaler, multi-programmable divider, (N+1/2) programmable divider,
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Introduction of Orthonormal Transform into Neural Filter for Accelerating Convergence Speed Isao NAKANISHI Yoshio ITOH Yutaka FUKUI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2000/02/25 Vol. E83-A No. 2 pp. 367-370 Type of Manuscript: Special Section LETTER (Special Section on Intelligent Signal and Image Processing) Category: Keyword: transform domain neural filter, neural filter, multi-layer neural networks, back-propagation algorithm, normalized step size,
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A Newton Based Adaptive Algorithm for IIR ADF Using Allpass and FIR Filter James OKELLO Yoshio ITOH Yutaka FUKUI Masaki KOBAYASHI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1999/07/25 Vol. E82-A No. 7 pp. 1305-1313 Type of Manuscript: PAPER Category: Digital Signal Processing Keyword: adaptive IIR filter, system identification, Newton algorithm, LMS algorithm,
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Region Extraction Using Color Feature and Active Net Model in Color Image Noboru YABUKI Yoshitaka MATSUDA Hiroyuki KIMURA Yutaka FUKUI Shigehiko MIKI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1999/03/25 Vol. E82-A No. 3 pp. 466-472 Type of Manuscript: Special Section PAPER (Special Section on Selected Papers from the 11th Workshop on Circuits and Systems in Karuizawa) Category: Keyword: color image, active net, region detection, image processing, road sign,
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Speedup of Frequency Switching Time in PLL Frequency Synthesizers Using a Target Frequency Detector Shigeki OBOTE Yasuaki SUMI Naoki KITAI Kouichi SYOUBU Yutaka FUKUI Yoshio ITOH
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1999/03/25 Vol. E82-A No. 3 pp. 436-441 Type of Manuscript: Special Section PAPER (Special Section on Selected Papers from the 11th Workshop on Circuits and Systems in Karuizawa) Category: Keyword: PLL frequency synthesizer, target frequency detector, fast frequency switching,
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PLL Frequency Synthesizer with Multi-Phase Detector Yasuaki SUMI Kouichi SYOUBU Shigeki OBOTE Yutaka FUKUI Yoshio ITOH
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1999/03/25 Vol. E82-A No. 3 pp. 431-435 Type of Manuscript: Special Section PAPER (Special Section on Selected Papers from the 11th Workshop on Circuits and Systems in Karuizawa) Category: Keyword: PLL frequency synthesizer, multi-phase detector, speedup of lock up time,
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A Simple Algorithm for Adaptive Allpass-FIR Digital Filter Using Lattice Allpass Filter with Minimum Multipliers James OKELLO Yoshio ITOH Yutaka FUKUI Masaki KOBAYASHI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1999/01/25 Vol. E82-A No. 1 pp. 138-144 Type of Manuscript: PAPER Category: Digital Signal Processing Keyword: adaptive filter, lattice IIR filter, allpass filter, orthogonality, residue theorem,
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A New Structure of Frequency Domain Adaptive Filter with Composite Algorithm Isao NAKANISHI Yoshihisa HAMAHASHI Yoshio ITOH Yutaka FUKUI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1998/04/25 Vol. E81-A No. 4 pp. 649-655 Type of Manuscript: PAPER Category: Digital Signal Processing Keyword: frequency domain adaptive filter, variable step size algorithm, composite adaptive algorithm, adaptive line enhancer, DFT, FFT,
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A New Linear Prediction Filter Based Adaptive Algorithm For IIR ADF Using Allpass and Minimum Phase System James OKELLO Yoshio ITOH Yutaka FUKUI Masaki KOBAYASHI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1998/01/25 Vol. E81-A No. 1 pp. 123-130 Type of Manuscript: PAPER Category: Digital Signal Processing Keyword: adaptive IIR filter, system identification, adaptive algorithm, linear predictor filter, signal decorrelation,
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FOREWORD Yutaka FUKUI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1997/08/25 Vol. E80-A No. 8 pp. 1351-1351 Type of Manuscript: FOREWORD Category: Keyword:
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PLL Frequency Synthesizer for Low Power Consumption Yasuaki SUMI Kouichi SYOUBU Kazutoshi TSUDA Shigeki OBOTE Yutaka FUKUI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1997/03/25 Vol. E80-A No. 3 pp. 461-465 Type of Manuscript: Special Section PAPER (Special Section of Selected Papers from the 9th Karuizawa Workshop on Circuits and Systems) Category: Keyword: low power consumption, PLL frequency synthesizer, frequency extender, programmable divider, operating frequency, prescaler,
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Reduction of Computational Complexity in the IA Algorithm Isao NAKANISHI Yoshio ITOH Yutaka FUKUI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1996/11/25 Vol. E79-A No. 11 pp. 1918-1921 Type of Manuscript: LETTER Category: Digital Signal Processing Keyword: adaptive filter, IA algorithm, reduction of computational complexity, switching algorithm,
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Performance Analysis and Improvement of the NACF Algorithm Isao NAKANISHI Yoshio ITOH Yutaka FUKUI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1996/08/25 Vol. E79-A No. 8 pp. 1246-1251 Type of Manuscript: Special Section LETTER (Special Section on Digital Signal Processing) Category: Keyword: adaptive filter, performance analysis, bias term, variable step size,
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A New Adaptive Convergence Factor Algorithm with the Constant Damping Parameter Isao NAKANISHI Yutaka FUKUI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1995/06/25 Vol. E78-A No. 6 pp. 649-655 Type of Manuscript: Special Section PAPER (Special Section of Papers Selected from 1994 Joint Technical Conference on Circuits/Systems, Computers and Communications (JTC-CSCC '94)) Category: Keyword: adaptive filter, adaptive convergence factor algorithm, damping parameter, normalization,
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Cancellation Technique of Parasitics in Active Filter Design Takao TSUKUTAKI Masaru ISHIDA Yutaka FUKUI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1993/06/25 Vol. E76-A No. 6 pp. 957-960 Type of Manuscript: Special Section LETTER (Special Section on Papers Selected from 1992 Joint Technical Conference on Circuits/Systems,Computers and Communications (JTC-CSCC'92)) Category: Methods and Circuits for Signal Processing Keyword: active filters, operational amplifiers, parasitics, highpass characteristics,
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A Dual Transformation Approach to Current-Mode Filter Synthesis WANG Guo-Hua Kenzo WATANABE Yutaka FUKUI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 1992/06/25 Vol. E75-C No. 6 pp. 729-735 Type of Manuscript: PAPER Category: Electronic Circuits Keyword: dual transformation, current-mode, filter, active RC and SC circuits,
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Realization of Immittance Floatator Using Nullors Masami HIGASHIMURA Yutaka FUKUI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1992/06/25 Vol. E75-A No. 6 pp. 644-649 Type of Manuscript: Special Section PAPER (Special Section of Papers Selected from 1991 Joint Technical Conference on Circuits/Systems, Computers and Communications (JTC-CSCC '91)) Category: Analog-IC Circuit Analysis and Synthesis Keyword: active networks, floating immittances, current conveyors,
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Cancellation Technique of Parasitic Poles for Active-R Highpass Filter Takao TSUKUTANI Masaru ISHIDA Yutaka FUKUI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1991/10/25 Vol. E74-A No. 10 pp. 3083-3085 Type of Manuscript: Special Section LETTER (Special Issue on JTC-CSCC '90) Category: Analog Filters Keyword:
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Immittance Function Simulator Using a Single Current Conveyor Akinori HIMURA Yutaka FUKUI Masaru ISHIDA Masami HIGASHIMURA
Publication: IEICE TRANSACTIONS (1976-1990) Publication Date: 1989/12/25 Vol. E72-E No. 12 pp. 1279-1284 Type of Manuscript: Special Section PAPER (Special Issue on the 2nd Karuizawa Workshop on Circuits and Systems) Category: Analog Signal Processing Keyword:
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