IEICE Trans

Takafumi AOKI

Phase-Based Periocular Recognition with Texture Enhancement Luis Rafael MARVAL-PÉREZ Koichi ITO Takafumi AOKI
Publication: Publication Date: 2019/10/01 Vol. E102-A No. 10 pp. 1351-1363 Type of Manuscript: PAPER Category: Image Keyword: periocular recognition, phase-only correlation, phase-based image matching, phase features, texture enhancement, biometrics,
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Automatic Generation System for Multiple-Valued Galois-Field Parallel Multipliers Rei UENO Naofumi HOMMA Takafumi AOKI
Publication: Publication Date: 2017/08/01 Vol. E100-D No. 8 pp. 1603-1610 Type of Manuscript: Special Section PAPER (Special Section on Multiple-Valued Logic and VLSI Computing) Category: VLSI Architecture Keyword: GF arithmetic circuits, formal design, parallel multipliers, automatic generation, multiple-valued logic,
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Hierarchical Formal Verification Combining Algebraic Transformation with PPRM Expansion and Its Application to Masked Cryptographic Processors Rei UENO Naofumi HOMMA Takafumi AOKI Sumio MORIOKA
Publication: Publication Date: 2017/07/01 Vol. E100-A No. 7 pp. 1396-1408 Type of Manuscript: Special Section PAPER (Special Section on Design Methodologies for System on a Chip) Category: Keyword: design methodology for security hardware, formal design, cryptographic processors, Galois field, arithmetic circuits,
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Power Analysis on Unrolled Architecture with Points-of-Interest Search and Its Application to PRINCE Block Cipher Ville YLI-MÄYRY Naofumi HOMMA Takafumi AOKI
Publication: Publication Date: 2017/01/01 Vol. E100-A No. 1 pp. 149-157 Type of Manuscript: Special Section PAPER (Special Section on Cryptography and Information Security) Category: Keyword: low latency ciphers, cryptographic hardware, side-channel attacks, unrolled architectures, power analysis,
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Phase-Based Window Matching with Geometric Correction for Multi-View Stereo Shuji SAKAI Koichi ITO Takafumi AOKI Takafumi WATANABE Hiroki UNTEN
Publication: IEICE TRANSACTIONS on Information and Systems Publication Date: 2015/10/01 Vol. E98-D No. 10 pp. 1818-1828 Type of Manuscript: PAPER Category: Image Recognition, Computer Vision Keyword: multi-view stereo, window matching, geometric correction, phase-only correlation,
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Electromagnetic Analysis against Public-Key Cryptographic Software on Embedded OS Hajime UNO Sho ENDO Naofumi HOMMA Yu-ichi HAYASHI Takafumi AOKI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2015/07/01 Vol. E98-B No. 7 pp. 1242-1249 Type of Manuscript: Special Section PAPER (Special Section on Electromagnetic Compatibility Technology in Conjunction with Main Topics of EMC'14/Tokyo) Category: Keyword: EM information security, side-channel attack, embedded OS, electromagnetic analysis, RSA software, chosen-message simple electromagnetic analysis,
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Efficient DFA on SPN-Based Block Ciphers and Its Application to the LED Block Cipher Rei UENO Naofumi HOMMA Takafumi AOKI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2015/01/01 Vol. E98-A No. 1 pp. 182-191 Type of Manuscript: Special Section PAPER (Special Section on Cryptography and Information Security) Category: Foundation Keyword: differential fault analysis, fault injection attack, substitution-permutation network, LED block cipher, lightweight cryptography,
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An Adaptive Multiple-Fault Injection Attack on Microcontrollers and a Countermeasure Sho ENDO Naofumi HOMMA Yu-ichi HAYASHI Junko TAKAHASHI Hitoshi FUJI Takafumi AOKI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2015/01/01 Vol. E98-A No. 1 pp. 171-181 Type of Manuscript: Special Section PAPER (Special Section on Cryptography and Information Security) Category: Foundation Keyword: embedded microcontrollers, cryptographic software, fault injection attacks,
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Formal Design of Arithmetic Circuits over Galois Fields Based on Normal Basis Representations Kotaro OKAMOTO Naofumi HOMMA Takafumi AOKI
Publication: IEICE TRANSACTIONS on Information and Systems Publication Date: 2014/09/01 Vol. E97-D No. 9 pp. 2270-2277 Type of Manuscript: Special Section PAPER (Special Section on Multiple-Valued Logic and VLSI Computing) Category: VLSI Architecture Keyword: arithmetic circuits, formal verification, normal basis, computer algebra,
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Power Noise Measurements of Cryptographic VLSI Circuits Regarding Side-Channel Information Leakage Daisuke FUJIMOTO Noriyuki MIURA Makoto NAGATA Yuichi HAYASHI Naofumi HOMMA Takafumi AOKI Yohei HORI Toshihiro KATASHITA Kazuo SAKIYAMA Thanh-Ha LE Julien BRINGER Pirouz BAZARGAN-SABET Shivam BHASIN Jean-Luc DANGER
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2014/04/01 Vol. E97-C No. 4 pp. 272-279 Type of Manuscript: Special Section PAPER (Special Section on Solid-State Circuit Design,---,Architecture, Circuit, Device and Design Methodology) Category: Keyword: information leakage, side-channel attack, correlation power analysis, advance encryption standard,
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Chosen-IV Correlation Power Analysis on KCipher-2 Hardware and a Masking-Based Countermeasure Takafumi HIBIKI Naofumi HOMMA Yuto NAKANO Kazuhide FUKUSHIMA Shinsaku KIYOMOTO Yutaka MIYAKE Takafumi AOKI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2014/01/01 Vol. E97-A No. 1 pp. 157-166 Type of Manuscript: Special Section PAPER (Special Section on Cryptography and Information Security) Category: Symmetric Key Based Cryptography Keyword: side-channel attacks, KCipher-2, correlation power analysis, random masking,
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Fast and Robust 3D Correspondence Matching and Its Application to Volume Registration Yuichiro TAJIMA Kinya FUDANO Koichi ITO Takafumi AOKI
Publication: IEICE TRANSACTIONS on Information and Systems Publication Date: 2013/04/01 Vol. E96-D No. 4 pp. 826-835 Type of Manuscript: Special Section PAPER (Special Section on Medical Imaging) Category: Medical Image Processing Keyword: CT, MRI, registration, phase-only correlation, GPU,
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Evaluation of Information Leakage from Cryptographic Hardware via Common-Mode Current Yu-ichi HAYASHI Naofumi HOMMA Takaaki MIZUKI Takeshi SUGAWARA Yoshiki KAYANO Takafumi AOKI Shigeki MINEGISHI Akashi SATOH Hideaki SONE Hiroshi INOUE
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2012/06/01 Vol. E95-C No. 6 pp. 1089-1097 Type of Manuscript: PAPER Category: Electronic Components Keyword: information security, electromagnetic information leakage, cryptographic modules, side-channel attacks, common-mode currents,
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A Configurable On-Chip Glitchy-Clock Generator for Fault Injection Experiments Sho ENDO Takeshi SUGAWARA Naofumi HOMMA Takafumi AOKI Akashi SATOH
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2012/01/01 Vol. E95-A No. 1 pp. 263-266 Type of Manuscript: Special Section LETTER (Special Section on Cryptography and Information Security) Category: Keyword: faulty injection attacks, clock glitch, RSA, safe-error attack,
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Acceleration of FDTD Method Using a Novel Algorithm on the Cell B.E. Sho ENDO Jun SONODA Motoyuki SATO Takafumi AOKI
Publication: IEICE TRANSACTIONS on Information and Systems Publication Date: 2011/12/01 Vol. E94-D No. 12 pp. 2338-2344 Type of Manuscript: Special Section PAPER (Special Section on Parallel and Distributed Computing and Networking) Category: Keyword: FDTD method, Cell B.E., DMA transfers, parallel computing with region segmentation,
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High-Performance Architecture for Concurrent Error Detection for AES Processors Takeshi SUGAWARA Naofumi HOMMA Takafumi AOKI Akashi SATOH
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2011/10/01 Vol. E94-A No. 10 pp. 1971-1980 Type of Manuscript: PAPER Category: Cryptography and Information Security Keyword: dependable architectures, fault injection attacks, tamper resistance, error detection,
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Multiple-Valued Constant-Power Adder and Its Application to Cryptographic Processor Naofumi HOMMA Yuichi BABA Atsushi MIYAMOTO Takafumi AOKI
Publication: IEICE TRANSACTIONS on Information and Systems Publication Date: 2010/08/01 Vol. E93-D No. 8 pp. 2117-2125 Type of Manuscript: Special Section PAPER (Special Section on Multiple-Valued Logic and VLSI Computing) Category: Application of Multiple-Valued VLSI Keyword: cryptographic processors, side-channel attacks, arithmetic circuits, multiple-valued logic, RSA cryptosystem,
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Score-Level Fusion of Phase-Based and Feature-Based Fingerprint Matching Algorithms Koichi ITO Ayumi MORITA Takafumi AOKI Hiroshi NAKAJIMA Koji KOBAYASHI Tatsuo HIGUCHI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2010/03/01 Vol. E93-A No. 3 pp. 607-616 Type of Manuscript: PAPER Category: Image Keyword: fingerprint recognition, phase-only correlation, feature-based matching, combination of matchers, score-level fusion, biometrics,
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A Robust 3D Face Recognition Algorithm Using Passive Stereo Vision Akihiro HAYASAKA Koichi ITO Takafumi AOKI Hiroshi NAKAJIMA Koji KOBAYASHI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2009/04/01 Vol. E92-A No. 4 pp. 1047-1055 Type of Manuscript: Special Section PAPER (Special Section on Advanced Technologies Emerging Mainly from the 21st Workshop on Circuits and Systems in Karuizawa) Category: Keyword: biometrics, face recognition, 3D face, facial expression, phase-only correlation,
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High-Accuracy Estimation of Image Rotation Using 1D Phase-Only Correlation Sei NAGASHIMA Koichi ITO Takafumi AOKI Hideaki ISHII Koji KOBAYASHI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2009/01/01 Vol. E92-A No. 1 pp. 235-243 Type of Manuscript: PAPER Category: Digital Signal Processing Keyword: image registration, rotation estimation, phase correlation,
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Arithmetic Circuit Verification Based on Symbolic Computer Algebra Yuki WATANABE Naofumi HOMMA Takafumi AOKI Tatsuo HIGUCHI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2008/10/01 Vol. E91-A No. 10 pp. 3038-3046 Type of Manuscript: PAPER Category: VLSI Design Technology and CAD Keyword: datapath, arithmetic circuits, formal verification, computer algebra,
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An Image Completion Algorithm Using Occlusion-Free Images from Internet Photo Sharing Sites Hanieh AMIRSHAHI Satoshi KONDO Koichi ITO Takafumi AOKI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2008/10/01 Vol. E91-A No. 10 pp. 2918-2927 Type of Manuscript: Special Section PAPER (Special Section on Smart Multimedia & Communication Systems) Category: Image Processing Keyword: image completion, image analysis, image composting, image processing, database searching,
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A Passive 3D Face Recognition System and Its Performance Evaluation Akihiro HAYASAKA Takuma SHIBAHARA Koichi ITO Takafumi AOKI Hiroshi NAKAJIMA Koji KOBAYASHI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2008/08/01 Vol. E91-A No. 8 pp. 1974-1981 Type of Manuscript: Special Section PAPER (Special Section on Signal Processing) Category: Keyword: biometrics, face recognition, phase-only correlation, stereo vision, 3D measurement,
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A Palmprint Recognition Algorithm Using Phase-Only Correlation Koichi ITO Takafumi AOKI Hiroshi NAKAJIMA Koji KOBAYASHI Tatsuo HIGUCHI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2008/04/01 Vol. E91-A No. 4 pp. 1023-1030 Type of Manuscript: Special Section PAPER (Special Section on Selected Papers from the 20th Workshop on Circuits and Systems in Karuizawa) Category: Keyword: biometrics, palmprint recognition, security, image recognition, phase-only correlation,
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A High-Resolution Phase-Based Waveform Matching and Its Application to Side-Channel Attacks Naofumi HOMMA Sei NAGASHIMA Takeshi SUGAWARA Takafumi AOKI Akashi SATOH
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2008/01/01 Vol. E91-A No. 1 pp. 193-202 Type of Manuscript: Special Section PAPER (Special Section on Cryptography and Information Security) Category: Side Channel Attacks Keyword: side-channel attacks, DPA, DEMA, cryptographic module, waveform matching, phase-only correlation,
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A Dental Radiograph Recognition System Using Phase-Only Correlation for Human Identification Koichi ITO Akira NIKAIDO Takafumi AOKI Eiko KOSUGE Ryota KAWAMATA Isamu KASHIMA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2008/01/01 Vol. E91-A No. 1 pp. 298-305 Type of Manuscript: Special Section PAPER (Special Section on Cryptography and Information Security) Category: Biometrics Keyword: dental biometrics, dental radiograph, image registration, image matching, phase-only correlation, biometrics,
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Formal Design of Arithmetic Circuits Based on Arithmetic Description Language Naofumi HOMMA Yuki WATANABE Takafumi AOKI Tatsuo HIGUCHI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2006/12/01 Vol. E89-A No. 12 pp. 3500-3509 Type of Manuscript: Special Section PAPER (Special Section on VLSI Design and CAD Algorithms) Category: Circuit Synthesis Keyword: datapaths, formal design, arithmetic circuits, hardware algorithms, hardware description language, module generator,
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Systematic Interpretation of Redundant Arithmetic Adders in Binary and Multiple-Valued Logic Naofumi HOMMA Takafumi AOKI Tatsuo HIGUCHI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2006/11/01 Vol. E89-C No. 11 pp. 1645-1654 Type of Manuscript: Special Section PAPER (Special Section on Novel Device Architectures and System Integration Technologies) Category: Keyword: datapaths, arithmetic circuits, addition algorithms, number systems, multiple-valued logic,
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A High-Accuracy Passive 3D Measurement System Using Phase-Based Image Matching Mohammad Abdul MUQUIT Takuma SHIBAHARA Takafumi AOKI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2006/03/01 Vol. E89-A No. 3 pp. 686-697 Type of Manuscript: Special Section PAPER (Special Section on Multidimensional Signal Processing and Its Application) Category: Image/Vision Processing Keyword: 3D measurement, stereo vision, phase-based image matching, phase-only correlation, outlier detection,
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A Shortest Path Search Algorithm Using an Excitable Digital Reaction-Diffusion System Koichi ITO Masahiko HIRATSUKA Takafumi AOKI Tatsuo HIGUCHI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2006/03/01 Vol. E89-A No. 3 pp. 735-743 Type of Manuscript: Special Section PAPER (Special Section on Multidimensional Signal Processing and Its Application) Category: Signal Processing Algorithm Keyword: reaction-diffusion system, nonlinear dynamics, shortest path search, excitable dynamics,
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Semi-Automatic Video Object Segmentation Using LVQ with Color and Spatial Features Hariadi MOCHAMAD Hui Chien LOY Takafumi AOKI
Publication: IEICE TRANSACTIONS on Information and Systems Publication Date: 2005/07/01 Vol. E88-D No. 7 pp. 1553-1560 Type of Manuscript: Special Section PAPER (Special Section on Recent Advances in Circuits and Systems--Part 1) Category: Image Processing and Multimedia Systems Keyword: object extraction, object segmentation, learning vector quantization, video processing, MPEG,
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A Redox Microarray--An Experimental Model for Molecular Computing Integrated Circuits-- Masahiko HIRATSUKA Shigeru IKEDA Takafumi AOKI Tatsuo HIGUCHI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2004/11/01 Vol. E87-C No. 11 pp. 1804-1808 Type of Manuscript: Special Section PAPER (Special Section on New System Paradigms for Integrated Electronics) Category: Keyword: molecular electronics, molecular computing, reaction-diffusion dynamics, nonlinear dynamics, analog integrated circuits,
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A Simulation Methodology for Single-Electron Multiple-Valued Logics and Its Application to a Latched Parallel Counter Hiroshi INOKAWA Yasuo TAKAHASHI Katsuhiko DEGAWA Takafumi AOKI Tatsuo HIGUCHI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2004/11/01 Vol. E87-C No. 11 pp. 1818-1826 Type of Manuscript: Special Section PAPER (Special Section on New System Paradigms for Integrated Electronics) Category: Keyword: single-electron transistor (SET), multiple-valued logic (MVL), counter, analytical model, SPICE,
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A Single-Electron-Transistor Logic Gate Family for Binary, Multiple-Valued and Mixed-Mode Logic Katsuhiko DEGAWA Takafumi AOKI Tatsuo HIGUCHI Hiroshi INOKAWA Yasuo TAKAHASHI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2004/11/01 Vol. E87-C No. 11 pp. 1827-1836 Type of Manuscript: Special Section PAPER (Special Section on New System Paradigms for Integrated Electronics) Category: Keyword: single-electron transistors, multiple-valued logic, quantum devices, logic circuits, parallel counters,
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A Sub-Pixel Correspondence Search Technique for Computer Vision Applications Kenji TAKITA Mohammad Abdul MUQUIT Takafumi AOKI Tatsuo HIGUCHI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2004/08/01 Vol. E87-A No. 8 pp. 1913-1923 Type of Manuscript: Special Section PAPER (Special Section on Digital Signal Processing) Category: Image/Visual Signal Processing Keyword: phase-only correlation, phase correlation, image matching, sub-pixel matching, block matching,
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A Fingerprint Matching Algorithm Using Phase-Only Correlation Koichi ITO Hiroshi NAKAJIMA Koji KOBAYASHI Takafumi AOKI Tatsuo HIGUCHI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2004/03/01 Vol. E87-A No. 3 pp. 682-691 Type of Manuscript: Special Section PAPER (Special Section on Applications and Implementations of Digital Signal Processing) Category: Digital Signal Processing for Pattern Recognition Keyword: phase-only correlation, phase-only matched filtering, phase correlation, biometrics, fingerprint verification, fingerprint identification,
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Counter Tree Diagrams: A Unified Framework for Analyzing Fast Addition Algorithms Jun SAKIYAMA Naofumi HOMMA Takafumi AOKI Tatsuo HIGUCHI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2003/12/01 Vol. E86-A No. 12 pp. 3009-3019 Type of Manuscript: Special Section PAPER (Special Section on VLSI Design and CAD Algorithms) Category: IP Design Keyword: computer arithmetic algorithms, parallel counters, multipliers, datapath, VLSI, circuit synthesis,
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Fingerprint Restoration Using Digital Reaction-Diffusion System and Its Evaluation Koichi ITO Takafumi AOKI Tatsuo HIGUCHI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2003/08/01 Vol. E86-A No. 8 pp. 1916-1924 Type of Manuscript: Special Section PAPER (Special Section on Digital Signal Processing) Category: Keyword: reaction-diffusion system, pattern formation, digital signal processing, digital filters, fingerprint restoration,
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High-Accuracy Subpixel Image Registration Based on Phase-Only Correlation Kenji TAKITA Takafumi AOKI Yoshifumi SASAKI Tatsuo HIGUCHI Koji KOBAYASHI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2003/08/01 Vol. E86-A No. 8 pp. 1925-1934 Type of Manuscript: Special Section PAPER (Special Section on Digital Signal Processing) Category: Keyword: image registration, subpixel registration, image matching, phase-only correlation, phase correlation,
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Design of a Field-Programmable Digital Filter Chip Using Multiple-Valued Current-Mode Logic Katsuhiko DEGAWA Takafumi AOKI Tatsuo HIGUCHI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2003/08/01 Vol. E86-A No. 8 pp. 2001-2010 Type of Manuscript: Special Section PAPER (Special Section on Digital Signal Processing) Category: Keyword: multiple-valued logic, signal processor, FPGAs, FIR filters,
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Parallel Evolutionary Graph Generation with Terminal-Color Constraint and Its Application to Current-Mode Logic Circuit Design Masanori NATSUI Takafumi AOKI Tatsuo HIGUCHI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2002/09/01 Vol. E85-A No. 9 pp. 2061-2071 Type of Manuscript: Special Section PAPER (Special Section on Nonlinear Theory and Its Applications) Category: Keyword: multiple-valued logic, arithmetic circuit, evolutionary computation, genetic algorithm (GA),
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Parallel Evolutionary Design of Constant-Coefficient Multipliers Dingjun CHEN Takafumi AOKI Naofumi HOMMA Tatsuo HIGUCHI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2002/02/01 Vol. E85-A No. 2 pp. 508-512 Type of Manuscript: LETTER Category: VLSI Design Technology and CAD Keyword: evolutionary graph generation, multiplier, PC clusters, canonical signed-digit (CSD) number representation,
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Evolutionary Graph Generation System with Terminal-Color Constraint--An Application to Multiple-Valued Logic Circuit Synthesis-- Masanori NATSUI Takafumi AOKI Tatsuo HIGUCHI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2001/11/01 Vol. E84-A No. 11 pp. 2808-2810 Type of Manuscript: Special Section LETTER (Special Section on VLSI Design and CAD Algorithms) Category: Analog Synthesis Keyword: multiple-valued logic, arithmetic circuits, evolutionary computation, genetic algorithm,
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Design of High-Radix VLSI Dividers without Quotient Selection Tables Takafumi AOKI Kimihiko NAKAZAWA Tatsuo HIGUCHI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2001/11/01 Vol. E84-A No. 11 pp. 2623-2631 Type of Manuscript: Special Section PAPER (Special Section on VLSI Design and CAD Algorithms) Category: VLSI Design Keyword: computer arithmetic, SRT division, high-radix division, signed-digit number systems, VLSI,
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Digital Reaction-Diffusion System--A Foundation of Bio-Inspired Texture Image Processing-- Koichi ITO Takafumi AOKI Tatsuo HIGUCHI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2001/08/01 Vol. E84-A No. 8 pp. 1909-1918 Type of Manuscript: Special Section PAPER (Special Section on Digital Signal Processing) Category: Image/Visual Signal Processing Keyword: reaction-diffusion system, pattern formation, digital signal processing, digital filters,
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Evolutionary Synthesis of Fast Constant-Coefficient Multipliers Naofumi HOMMA Takafumi AOKI Tatsuo HIGUCHI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2000/09/25 Vol. E83-A No. 9 pp. 1767-1777 Type of Manuscript: PAPER Category: Nonlinear Problems Keyword: circuit design, computer arithmetic, arithmetic circuits, evolvable hardware, evolutionary computation,
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Radix-2-4-8 CORDIC for Fast Vector Rotation Takafumi AOKI Ichiro KITAORI Tatsuo HIGUCHI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2000/06/25 Vol. E83-A No. 6 pp. 1106-1114 Type of Manuscript: Special Section PAPER (Special Section of Papers Selected from 1999 International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC'99)) Category: Keyword: computer arithmetic, arithmetic circuits, CORDIC, VLSI, digital signal processing,
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Pattern Formation in Reaction-Diffusion Enzyme Transistor Circuits Masahiko HIRATSUKA Takafumi AOKI Tatsuo HIGUCHI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1999/09/25 Vol. E82-A No. 9 pp. 1809-1817 Type of Manuscript: Special Section PAPER (Special Section on Nonlinear Theory and Its Applications) Category: Keyword: molecular computing, molecular devices, reaction-diffusion dynamics, pattern formation, nonlinear signal processing, parallel processing,
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Signed-Weight Arithmetic and Its Application to a Field-Programmable Digital Filter Architecture Takafumi AOKI Yoshiki SAWADA Tatsuo HIGUCHI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 1999/09/25 Vol. E82-C No. 9 pp. 1687-1698 Type of Manuscript: Special Section PAPER (Special Issue on Integrated Electronics and New System Paradigms) Category: Configurable Computing and Fault Tolerance Keyword: computer arithmetic, redundant number systems, digital signal processing, FIR filter, FPGAs,
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A Code-Division Multiplexing Technique for Efficient Data Transmission in VLSI Systems Yasushi YUMINAKA Kazuhiko ITOH Yoshisato SASAKI Takafumi AOKI Tatsuo HIGUCHI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 1999/09/25 Vol. E82-C No. 9 pp. 1669-1677 Type of Manuscript: Special Section PAPER (Special Issue on Integrated Electronics and New System Paradigms) Category: Non-Binary Architectures Keyword: VLSI systems, code division multiplexing, m-sequence, new paradigm computing, spread-spectrum image processing,
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Evolutionary Design of Arithmetic Circuits Takafumi AOKI Naofumi HOMMA Tatsuo HIGUCHI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1999/05/25 Vol. E82-A No. 5 pp. 798-806 Type of Manuscript: Special Section PAPER (Special Section on Discrete Mathematics and Its Applications) Category: Keyword: circuit design, computer arithmetic, arithmetic circuits, evolvable hardware, evolutionary computation,
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Design and Analysis of Multiwave Interconnection Networks for MCM-Based Parallel Processing Takafumi AOKI Shinichi SHIONOYA Tatsuo HIGUCHI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 1997/07/25 Vol. E80-C No. 7 pp. 935-940 Type of Manuscript: Special Section PAPER (Special Issue on New Concept Device and Novel Architecture LSIs) Category: Novel Concept Devices Keyword: parallel processing, interconnection networks, message-passing multiprocessor systems, multichip module (MCM), optical interconnections,
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Design of Wave-Parallel Computing Architectures and Its Application to Massively Parallel Image Processing Yasushi YUMINAKA Takafumi AOKI Tatsuo HIGUCHI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 1993/07/25 Vol. E76-C No. 7 pp. 1133-1143 Type of Manuscript: Special Section PAPER (Special Issue on New Architecture LSIs) Category: Multiple-Valued Architectures and Systems Keyword: multiple-valued logic, set-valued logic, parallel processing, frequency multiplexing,
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Optical Multiplex Computing Based on Set-Valued Logic and Its Application to Parallel Sorting Networks Shuichi MAEDA Takafumi AOKI Tatsuo HIGUCHI
Publication: IEICE TRANSACTIONS on Information and Systems Publication Date: 1993/05/25 Vol. E76-D No. 5 pp. 605-615 Type of Manuscript: Special Section PAPER (Special Issue on Multiple-Valued Logic) Category: Optical Logic Keyword: optical computing, optoelectronic integrated circuits, set-valued logic, multiple-valued logic, parallel processing,
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