Keyword : computational complexity


Generalized Chat Noir is PSPACE-Complete
Chuzo IWAMOTO  Yuta MUKAI  Yuichi SUMIDA  Kenichi MORITA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2013/03/01
Vol. E96-D  No. 3  pp. 502-505
Type of Manuscript: Special Section LETTER (Special Section on Foundations of Computer Science — New Trends in Algorithms and Theory of Computation —)
Category: 
Keyword: 
PSPACE-completecomputational complexitytwo-player gameChat Noir
  Summary |  Full Text:PDF

A Low Complexity H.264/AVC Deblocking Filter with Simplified Filtering Boundary Strength Decision
Luong Pham VAN  Hoyoung LEE  Jaehwan KIM  Byeungwoo JEON 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2013/02/01
Vol. E96-A  No. 2  pp. 562-572
Type of Manuscript: PAPER
Category: Digital Signal Processing
Keyword: 
deblocking filterH.264/AVCcomputational complexityhuman visual system
  Summary |  Full Text:PDF

Generalized Shisen-Sho is NP-Complete
Chuzo IWAMOTO  Yoshihiro WADA  Kenichi MORITA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2012/11/01
Vol. E95-D  No. 11  pp. 2712-2715
Type of Manuscript: LETTER
Category: Fundamentals of Information Systems
Keyword: 
NP-completecomputational complexityone-player gameShisen-Sho
  Summary |  Full Text:PDF

An Efficient Conical Area Evolutionary Algorithm for Bi-objective Optimization
Weiqin YING  Xing XU  Yuxiang FENG  Yu WU 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2012/08/01
Vol. E95-A  No. 8  pp. 1420-1425
Type of Manuscript: LETTER
Category: Numerical Analysis and Optimization
Keyword: 
bi-objective optimizationevolutionary algorithmcomputational complexityconical arealocal Pareto optimality
  Summary |  Full Text:PDF

Verifying Structurally Weakly Persistent Net Is Co-NP Complete
Atsushi OHTA  Kohkichi TSUJI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2011/12/01
Vol. E94-A  No. 12  pp. 2832-2835
Type of Manuscript: Special Section LETTER (Special Section on Mathematical Systems Science and its Applications)
Category: 
Keyword: 
concurrent systemPetri netsubclasscomputational complexity
  Summary |  Full Text:PDF

Fast and Simple 2D Shape Retrieval Using Discrete Shock Graph
Solima KHANAM  Seok-Woo JANG  Woojin PAIK 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2011/10/01
Vol. E94-D  No. 10  pp. 2059-2062
Type of Manuscript: LETTER
Category: Image Recognition, Computer Vision
Keyword: 
medial axesshock graphdeform costvisual transformationcomputational complexity
  Summary |  Full Text:PDF

NP-Hard and k-EXPSPACE-Hard Cast Puzzles
Chuzo IWAMOTO  Kento SASAKI  Kenji NISHIO  Kenichi MORITA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2010/11/01
Vol. E93-D  No. 11  pp. 2995-3004
Type of Manuscript: PAPER
Category: Fundamentals of Information Systems
Keyword: 
computational complexityNP-hardk-EXPSPACE hardcast puzzle
  Summary |  Full Text:PDF

Low-Complexity Fusion Estimation Algorithms for Multisensor Dynamic Systems
Seokhyoung LEE  Vladimir SHIN 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/11/01
Vol. E92-A  No. 11  pp. 2910-2916
Type of Manuscript: PAPER
Category: Communication Theory and Signals
Keyword: 
estimationKalman filteringfusion formulamultisensorCholesky factorizationcomputational complexity
  Summary |  Full Text:PDF

Computational Complexity of Liveness Problem of Normal Petri Net
Atsushi OHTA  Kohkichi TSUJI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/11/01
Vol. E92-A  No. 11  pp. 2717-2722
Type of Manuscript: Special Section PAPER (Special Section on Theory of Concurrent Systems and its Applications)
Category: 
Keyword: 
concurrent systemPetri netlivenesscomputational complexity
  Summary |  Full Text:PDF

Formal Language Theoretic Approach to the Disclosure Tree Strategy in Trust Negotiation
Yoshiaki TAKATA  Hiroyuki SEKI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2009/02/01
Vol. E92-D  No. 2  pp. 200-210
Type of Manuscript: Special Section PAPER (Special Section on Foundations of Computer Science)
Category: 
Keyword: 
trust managementtrust negotiationnegotiation strategycomputational complexitycontext-free grammar
  Summary |  Full Text:PDF

Computational Complexities of University Interview Timetabling
Naoyuki KAMIYAMA  Yuuki KIYONARI  Eiji MIYANO  Shuichi MIYAZAKI  Katsuhisa YAMANAKA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2009/02/01
Vol. E92-D  No. 2  pp. 130-140
Type of Manuscript: Special Section PAPER (Special Section on Foundations of Computer Science)
Category: 
Keyword: 
timetableschedulingoptimizationcomputational complexity
  Summary |  Full Text:PDF

Performance Evaluation of MIMO-OFDM with Twin Turbo Decoder
Yasuyuki HATAKAWA  Noriaki MIYAZAKI  Toshinori SUZUKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/01/01
Vol. E92-B  No. 1  pp. 228-236
Type of Manuscript: PAPER
Category: Wireless Communication Technologies
Keyword: 
iterative decodermultiple-input multiple-outputFEC (Forward Error Correction)correlated channelturbo codingcomputational complexity
  Summary |  Full Text:PDF

Design of a Fuzzy Based Outer Loop Controller for Improving the Training Performance of LMS Algorithm
Ali OZEN  Ismail KAYA  Birol SOYSAL 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/12/01
Vol. E91-A  No. 12  pp. 3738-3744
Type of Manuscript: Special Section PAPER (Special Section on Signal Design and its Applications in Communications)
Category: Channel Equalization
Keyword: 
channel equalizationtrackingfuzzy logic controllercomputational complexityconvergence of training
  Summary |  Full Text:PDF

A Recursive Padding Technique on Nondeterministic Cellular Automata
Chuzo IWAMOTO  Harumasa YONEDA  Kenichi MORITA  Katsunobu IMAI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/09/01
Vol. E91-A  No. 9  pp. 2335-2340
Type of Manuscript: Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: 
Keyword: 
cellular automatacomputational complexityhierarchy theorem
  Summary |  Full Text:PDF

Initial Codebook Algorithm of Vector Quantizaton
ShanXue CHEN  FangWei LI  WeiLe ZHU  TianQi ZHANG 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2008/08/01
Vol. E91-D  No. 8  pp. 2189-2191
Type of Manuscript: LETTER
Category: Algorithm Theory
Keyword: 
initialization methodcomputational complexityvector quantizationimage processing
  Summary |  Full Text:PDF

A Delayed Estimation Filter Using Finite Observations on Delay Interval
HyongSoon KIM  PyungSoo KIM  SangKeun LEE 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/08/01
Vol. E91-A  No. 8  pp. 2257-2262
Type of Manuscript: LETTER
Category: Information Theory
Keyword: 
delayed estimationfixed-lag smoothingKalman filteringcomputational complexity
  Summary |  Full Text:PDF

Fast Searching Algorithm for Vector Quantization Based on Subvector Technique
ShanXue CHEN  FangWei LI  WeiLe ZHU  TianQi ZHANG 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2008/07/01
Vol. E91-D  No. 7  pp. 2035-2040
Type of Manuscript: PAPER
Category: Image Processing and Video Processing
Keyword: 
encodingcomputational complexityvector quantizationdata compressionimage processing
  Summary |  Full Text:PDF

Likelihood Estimation for Reduced-Complexity ML Detectors in a MIMO Spatial-Multiplexing System
Masatsugu HIGASHINAKA  Katsuyuki MOTOYOSHI  Akihiro OKAZAKI  Takayuki NAGAYASU  Hiroshi KUBO  Akihiro SHIBUYA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/03/01
Vol. E91-B  No. 3  pp. 837-847
Type of Manuscript: PAPER
Category: Wireless Communication Technologies
Keyword: 
MIMOsphere decodingQRD-M algorithmsoft-decision outputscomputational complexity
  Summary |  Full Text:PDF

Linearization of Loudspeaker Systems Using a Subband Parallel Cascade Volterra Filter
Hideyuki FURUHASHI  Yoshinobu KAJIKAWA  Yasuo NOMURA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/08/01
Vol. E90-A  No. 8  pp. 1616-1619
Type of Manuscript: Special Section LETTER (Special Section on Papers Selected from the 21st Symposium on Signal Processing)
Category: 
Keyword: 
loudspeaker systemsnonlinear distortionVolterra kernelsubband parallel cascade realizationcomputational complexity
  Summary |  Full Text:PDF

Low Complexity Encoding Based on Richardson's LDPC Codes
Hyunseuk YOO  Chang Hui CHOE  Moon Ho LEE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/08/01
Vol. E90-B  No. 8  pp. 2151-2154
Type of Manuscript: LETTER
Category: Fundamental Theories for Communications
Keyword: 
finite fieldscirculant permutation matricesRichardson's encoding schemecomputational complexity
  Summary |  Full Text:PDF

Butterfly Structure for Viterbi Decoders of All Rates k/n
Tsung Sheng KUO  Chau-Yun HSU 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/02/01
Vol. E90-A  No. 2  pp. 504-510
Type of Manuscript: PAPER
Category: Coding Theory
Keyword: 
butterfly structureViterbi decoderconvolutional codescomputational complexity
  Summary |  Full Text:PDF

Optimization Design of Biorthogonal Wavelets for Embedded Image Coding
Zaide LIU  Nanning ZHENG  Yuehu LIU  Huub VAN DE WETERING 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2007/02/01
Vol. E90-D  No. 2  pp. 569-578
Type of Manuscript: PAPER
Category: Image Processing and Video Processing
Keyword: 
biorthogonal waveletscoding gaincompression performancecomputational complexityDiophantine equationdiscrete wavelet transformfilter bank
  Summary |  Full Text:PDF

A Co-channel Interference Cancellation Method Using Low Dimensional Sphere Decoding for MIMO Communication Systems
Masatsugu HIGASHINAKA  Akihiro OKAZAKI  Katsuyuki MOTOYOSHI  Takayuki NAGAYASU  Hiroshi KUBO  Akihiro SHIBUYA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/10/01
Vol. E89-A  No. 10  pp. 2526-2534
Type of Manuscript: Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Coding Theory
Keyword: 
MIMOsphere decodingco-channel interferencecomputational complexity
  Summary |  Full Text:PDF

Decoding the (23, 12, 7) Golay Code Using a Low-Complexity Scheme
Ching-Lung CHR  Szu-Lin SU  Shao-Wei WU 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/08/01
Vol. E89-A  No. 8  pp. 2235-2238
Type of Manuscript: LETTER
Category: Coding Theory
Keyword: 
(23127) binary Golay codealgebraic decoding schemestep-by-step decodingcomputational complexity
  Summary |  Full Text:PDF

Computing Automorphism Groups of Chordal Graphs Whose Simplicial Components Are of Small Size
Seinosuke TODA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2006/08/01
Vol. E89-D  No. 8  pp. 2388-2401
Type of Manuscript: Special Section PAPER (Special Section on Invited Papers from New Horizons in Computing)
Category: INVITED
Keyword: 
chordal graphsimplicial componentautomorphismisomorphismcomputational group theoryalgorithmcomputational complexity
  Summary |  Full Text:PDF

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 verificationDWTpen-movement vectorcomputational complexity
  Summary |  Full Text:PDF

A Simple Step-by-Step Decoding of Binary BCH Codes
Ching-Lung CHR  Szu-Lin SU  Shao-Wei WU 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/08/01
Vol. E88-A  No. 8  pp. 2236-2239
Type of Manuscript: LETTER
Category: Coding Theory
Keyword: 
BCH codestep-by-step decodingmatrix computationcomputational complexity
  Summary |  Full Text:PDF

Computational and Memory Complexities of Greengard-Rokhlin's Fast Multipole Algorithm
Norimasa NAKASHIMA  Mitsuo TATEIBA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/07/01
Vol. E88-C  No. 7  pp. 1516-1520
Type of Manuscript: LETTER
Category: Electromagnetic Theory
Keyword: 
Greengard-Rokhlin's algorithmfast multipole methodcomputational complexitymemory complexity
  Summary |  Full Text:PDF

A Subspace Blind Identification Algorithm with Reduced Computational Complexity--Colored Noise Case--
Nari TANABE  Toshihiro FURUKAWA  Kohichi SAKANIWA  Shigeo TSUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/07/01
Vol. E88-A  No. 7  pp. 2015-2018
Type of Manuscript: LETTER
Category: Digital Signal Processing
Keyword: 
principal component analysissubspace methodcolored observation noisenoise variancechannel ordercomputational complexity
  Summary |  Full Text:PDF

Strong Identification Based on a Hard-on-Average Problem
Pino CABALLERO-GIL 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/05/01
Vol. E88-A  No. 5  pp. 1117-1121
Type of Manuscript: Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: 
Keyword: 
cryptographycomputational complexityalgorithmsdiscrete mathematics
  Summary |  Full Text:PDF

Finding Yozume of Generalized Tsume-Shogi is Exptime-Complete
Takayuki YATO  Takahiro SETA  Tsuyoshi ITO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/05/01
Vol. E88-A  No. 5  pp. 1249-1257
Type of Manuscript: Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: 
Keyword: 
computational complexitygeneralized Tsume-Shogiyozumecombinatorial gamesanother solution problem
  Summary |  Full Text:PDF

Zero-Knowledge Proof for the Independent Set Problem
Pino CABALLERO-GIL 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/05/01
Vol. E88-A  No. 5  pp. 1301-1302
Type of Manuscript: Special Section LETTER (Special Section on Discrete Mathematics and Its Applications)
Category: 
Keyword: 
cryptographycomputational complexityalgorithmsdiscrete mathematics
  Summary |  Full Text:PDF

A Low-Complexity Step-by-Step Decoding Algorithm for Binary BCH Codes
Ching-Lung CHR  Szu-Lin SU  Shao-Wei WU 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/01/01
Vol. E88-A  No. 1  pp. 359-365
Type of Manuscript: PAPER
Category: Coding Theory
Keyword: 
BCH codestep-by-step decodingmatrix computationcomputational complexity
  Summary |  Full Text:PDF

A Practical Subspace Blind Identification Algorithm with Reduced Computational Complexity
Nari TANABE  Toshihiro FURUKAWA  Kohichi SAKANIWA  Shigeo TSUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2004/12/01
Vol. E87-A  No. 12  pp. 3360-3371
Type of Manuscript: PAPER
Category: Digital Signal Processing
Keyword: 
principal component analysisautocorrelationsubspace methodeigenvalue and singular-value decompositioncomputational complexitychannel ordernoise variance
  Summary |  Full Text:PDF

Efficient Codebook Search Method for AMR Wideband Speech Codecs
Hochong PARK  Younhee KIM  Jisang YOO 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2004/08/01
Vol. E87-D  No. 8  pp. 2114-2120
Type of Manuscript: PAPER
Category: Speech and Hearing
Keyword: 
AMR wideband codecACELPcodebook searchcomputational complexitypulse codevector
  Summary |  Full Text:PDF

Reduction of Background Computations in Block-Matching Motion Estimation
Vasily G. MOSHNYAGA  Koichi MASUNAGA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2004/03/01
Vol. E87-A  No. 3  pp. 539-546
Type of Manuscript: Special Section PAPER (Special Section on Applications and Implementations of Digital Signal Processing)
Category: Video/Image Coding
Keyword: 
motion estimationvideo codingcomputational complexityhardware architectureadaptive processing
  Summary |  Full Text:PDF

The Dynamic-Typed Access Matrix Model and Decidability of the Safety Problem
Masakazu SOSHI  Mamoru MAEKAWA  Eiji OKAMOTO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2004/01/01
Vol. E87-A  No. 1  pp. 190-203
Type of Manuscript: Special Section PAPER (Special Section on Cryptography and Information Security)
Category: Applications
Keyword: 
access controlaccess matrix modelsafety problemcomputational complexitydecidability
  Summary |  Full Text:PDF

Complexity and Completeness of Finding Another Solution and Its Application to Puzzles
Takayuki YATO  Takahiro SETA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/05/01
Vol. E86-A  No. 5  pp. 1052-1060
Type of Manuscript: Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: 
Keyword: 
computational complexityNP-completeanother solutionpuzzle
  Summary |  Full Text:PDF

Software Obfuscation on a Theoretical Basis and Its Implementation
Toshio OGISO  Yusuke SAKABE  Masakazu SOSHI  Atsuko MIYAJI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/01/01
Vol. E86-A  No. 1  pp. 176-186
Type of Manuscript: Special Section PAPER (Special Section on Cryptography and Information Security)
Category: Protocols etc.
Keyword: 
tamper-resistant softwareobfuscationstatic analysiscomputational complexity
  Summary |  Full Text:PDF

A Computation Reduced MMSE Adaptive Array Antenna Using Space-Temporal Simultaneous Processing Equalizer
Yoshihiro ICHIKAWA  Koji TOMITSUKA  Shigeki OBOTE  Kenichi KAGOSHIMA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2002/12/01
Vol. E85-B  No. 12  pp. 2622-2629
Type of Manuscript: Special Section PAPER (Special Issue on Software Defined Radio Technology and Its Applications)
Category: 
Keyword: 
adaptive array antennaMMSEcomputational complexityspace-temporal simultaneous processing equalizer
  Summary |  Full Text:PDF

NP-Hardness of Liveness Problem of Bounded Asymmetric Choice Net
Atsushi OHTA  Kohkichi TSUJI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2002/05/01
Vol. E85-A  No. 5  pp. 1071-1074
Type of Manuscript: Special Section LETTER (Special Section on Discrete Mathematics and Its Applications)
Category: 
Keyword: 
concurrent systemPetri netlivenesscomputational complexity
  Summary |  Full Text:PDF

On Cellular Arrays and Other Topics in Parallel Computing
Oscar H. IBARRA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2002/02/01
Vol. E85-D  No. 2  pp. 312-321
Type of Manuscript: INVITED SURVEY PAPER
Category: 
Keyword: 
cellular arraycomputational complexityparallel complexityreachabilitycommutativity analysis
  Summary |  Full Text:PDF

A Note on Realtime One-Way Alternating and Deterministic Multi-Counter Automata
Tsunehiro YOSHINAGA  Katsushi INOUE 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2002/02/01
Vol. E85-D  No. 2  pp. 346-349
Type of Manuscript: Special Section LETTER (Special Issue on Selected Papers from LA Symposium)
Category: 
Keyword: 
alternating multi-counter automatadeterministic multi-counter automataone-way computationrealtime computationcomputational complexity
  Summary |  Full Text:PDF

Polynomial Time Decidability of Monotone Liveness of Time Bounded AC/DC Nets
Atsushi OHTA  Kohkichi TSUJI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2001/11/01
Vol. E84-A  No. 11  pp. 2865-2870
Type of Manuscript: Special Section PAPER (Special Section on Concurrent Systems Technology)
Category: 
Keyword: 
concurrent systemPetri netlivenesscomputational complexity
  Summary |  Full Text:PDF

On the Complexity of Constructing an Elliptic Curve of a Given Order
Masato YAMAMICHI  Masahiro MAMBO  Hiroki SHIZUYA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2001/01/01
Vol. E84-A  No. 1  pp. 140-145
Type of Manuscript: Special Section PAPER (Special Section on Cryptography and Information Security)
Category: 
Keyword: 
elliptic curvefunction classcomputational complexity
  Summary |  Full Text:PDF

Computational Complexity of Finding Highly Co-occurrent Itemsets in Market Basket Databases
Yeon-Dae KWON  Yasunori ISHIHARA  Shougo SHIMIZU  Minoru ITO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/12/20
Vol. E83-A  No. 12  pp. 2723-2735
Type of Manuscript: PAPER
Category: General Fundamentals and Boundaries
Keyword: 
data mininglarge itemsethighly co-occurrent itemsetcomputational complexity
  Summary |  Full Text:PDF

The Optimal Sectionalized Trellises for the Generalized Version of Viterbi Algorithm of Linear Block Codes and Its Application to Reed-Muller Codes
Yuansheng TANG  Toru FUJIWARA  Tadao KASAMI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/11/20
Vol. E83-A  No. 11  pp. 2329-2340
Type of Manuscript: PAPER
Category: Coding Theory
Keyword: 
linear block codesectionalizationminimal sectionalized trellisgeneralized Viterbi algorithmcomputational complexity
  Summary |  Full Text:PDF

NP-Completeness of Reallocation Problems with Restricted Block Volume
Hiroyoshi MIWA  Hiro ITO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/04/20
Vol. E83-A  No. 4  pp. 590-597
Type of Manuscript: Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: 
Keyword: 
reallocationcomputational complexityNP-completeSATsteiner tree problem
  Summary |  Full Text:PDF

NP-Hardness of Rotation Type Cell-Mazes
Shiro AOKI  Hiro ITO  Hideyuki UEHARA  Mitsuo YOKOYAMA  Tsuyoshi HORINOUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/03/20
Vol. E83-A  No. 3  pp. 492-496
Type of Manuscript: Special Section LETTER (Special Section of Selected Papers from the 12th Workshop on Circuits and Systems in Karuizawa)
Category: 
Keyword: 
puzzlemazecomputational complexityNP-hardpolynomial-time
  Summary |  Full Text:PDF

Computational Complexity of Finding Meaningful Association Rules
Yeon-Dae KWON  Ryuichi NAKANISHI  Minoru ITO  Michio NAKANISHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1999/09/20
Vol. E82-A  No. 9  pp. 1945-1952
Type of Manuscript: PAPER
Category: Algorithms and Data Structures
Keyword: 
data mininglarge itemsetmeaningful association rulecomputational complexitydatabase
  Summary |  Full Text:PDF

On Complexity of Computing the Permanent of a Rectangular Matrix
Tsutomu KAWABATA  Jun TARUI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1999/05/20
Vol. E82-A  No. 5  pp. 741-744
Type of Manuscript: Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: 
Keyword: 
permanentcomputational complexitydifferential operator on circuits
  Summary |  Full Text:PDF

Computationally Efficient Bicomplex Multipliers for Digital Signal Processing
Hisamichi TOYOSHIMA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1998/02/20
Vol. E81-D  No. 2  pp. 236-238
Type of Manuscript: LETTER
Category: Algorithm and Computational Complexity
Keyword: 
computational complexityhypercomplex numberbicomplex multiplierdigital signal processing
  Summary |  Full Text:PDF

A Note on the Complexity of k-Ary Threshold Circuits
Shao-Chin SUNG  Kunihiko HIRAISHI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1997/08/20
Vol. E80-D  No. 8  pp. 767-773
Type of Manuscript: PAPER
Category: Algorithm and Computational Complexity
Keyword: 
computational complexitythreshold circuitsymmetric function
  Summary |  Full Text:PDF

Syntactic Unification Problems under Constrained Substitutions
Kazuhiro TAKADA  Yuichi KAJI  Tadao KASAMI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1997/05/20
Vol. E80-D  No. 5  pp. 553-561
Type of Manuscript: PAPER
Category: Automata,Languages and Theory of Computing
Keyword: 
unification problemdecidabilitycomputational complexityorder-sorted signaturetree automata
  Summary |  Full Text:PDF

Computational Power of Nondeterministic Ordered Binary Decision Diagrams and Their Subclasses
Kazuyoshi TAKAGI  Koyo NITTA  Hironori BOUNO  Yasuhiko TAKENAGA  Shuzo YAJIMA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1997/04/20
Vol. E80-A  No. 4  pp. 663-669
Type of Manuscript: Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: 
Keyword: 
computational complexityBoolean functionordered binary decision diagramsatisfiabilitycombinational circuitcutwidthsum-of-product formzero-suppressed binary decision diagrams (BDD)ternary decision diagram
  Summary |  Full Text:PDF

Computing the Minkowski Sum of Monotone Polygons
Antonio HERNAN'DEZ-BARRERA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1997/02/20
Vol. E80-D  No. 2  pp. 218-222
Type of Manuscript: PAPER
Category: Algorithm and Computational Complexity
Keyword: 
algorithmscomputational complexitycomputational geometryMinkowski summonotone polygonlower envelope
  Summary |  Full Text:PDF

The Complexity of Threshold Circuits for Parity Functions
Shao-Chin SUNG  Tetsuro NISHINO 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1997/01/20
Vol. E80-D  No. 1  pp. 91-93
Type of Manuscript: LETTER
Category: Algorithm and Computational Complexity
Keyword: 
computational complexitythreshold circuitparity function
  Summary |  Full Text:PDF

A Relationship between the Number of Negations and the Circuit Size
Keisuke TANAKA  Tetsuro NISHINO 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1996/09/20
Vol. E79-D  No. 9  pp. 1355-1357
Type of Manuscript: LETTER
Category: Algorithm and Computational Complexity
Keyword: 
computational complexitytheory of computation
  Summary |  Full Text:PDF

Digital Halftoning Algorithms Based on Optimization Criteria and Their Experimental Evaluation
Tetsuo ASANO  Desh RANJAN  Thomas ROOS 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1996/04/20
Vol. E79-A  No. 4  pp. 524-532
Type of Manuscript: Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: 
Keyword: 
discrete algorithmcombinatiorial optimizationdigital halftoningcomputational complexityexperimental evaluation
  Summary |  Full Text:PDF

A Fast and Accurate Algorithm for Computing Desired Eigenpairs of Hermitian Matrices
Chang Wan JEON  Hyoung Joong KIM  Jang Gyu LEE 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1996/03/20
Vol. E79-D  No. 3  pp. 182-188
Type of Manuscript: PAPER
Category: Algorithm and Computational Complexity
Keyword: 
eigenvalueeigenvectoralgorithmcomputational complexity
  Summary |  Full Text:PDF

On the Complexity of the Discrete Logarithm for a General Finite Group
Tatsuaki OKAMOTO  Kouichi SAKURAI  Hiroki SHIZUYA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1996/01/20
Vol. E79-A  No. 1  pp. 61-65
Type of Manuscript: Special Section PAPER (Special Section on Cryptography and Information Security)
Category: 
Keyword: 
discrete logarithmcomputational complexitycryptography
  Summary |  Full Text:PDF

A Mathematical Solution to a Network Designing Problem
Yoshikane TAKAHASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1995/10/20
Vol. E78-A  No. 10  pp. 1381-1411
Type of Manuscript: PAPER
Category: Neural Networks
Keyword: 
neural networksnetwork designingnetwork trainingminimum intermediate unitscomputational complexityrate distortion theorylinear algebra
  Summary |  Full Text:PDF

A Priori Estimation of Newton Type Homotopy Method for Calculating an Optimal Solution of Convex Optimization Problem
Mitsunori MAKINO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1995/10/20
Vol. E78-A  No. 10  pp. 1339-1344
Type of Manuscript: Special Section PAPER (Special Section on Nonlinear Theory and Its Applications)
Category: 
Keyword: 
homotopy methodconvex programmingnonlinear programmingcomputational complexitymonotone operatornonlinear system analysis
  Summary |  Full Text:PDF

Alternating Finite Automata with Counters and Stack-Counters Operating in Realtime
Tsunehiro YOSHINAGA  Katsushi INOUE 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1995/08/20
Vol. E78-D  No. 8  pp. 929-938
Type of Manuscript: PAPER
Category: Automata, Languages and Theory of Computing
Keyword: 
alternationrealtime computationone-way counter automataone-way stack-counter automatacomputational complexity
  Summary |  Full Text:PDF

Learning Theory Toward Genome Informatics
Satoru MIYANO 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1995/05/20
Vol. E78-D  No. 5  pp. 560-567
Type of Manuscript: Special Section PAPER (Special Issue on Algorithmic Learning Theory)
Category: Machine Learning and Its Applications
Keyword: 
PAC-learningcomputational complexityknowledge acquisitiongenome informaics
  Summary |  Full Text:PDF

On the Negation-Limited Circuit Complexity of Clique Functions
Tetsuro NISHINO  Keisuke TANAKA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1995/01/20
Vol. E78-D  No. 1  pp. 86-89
Type of Manuscript: LETTER
Category: Algorithm and Computational Complexity
Keyword: 
computational complexityboolean circuitclique function
  Summary |  Full Text:PDF

On the Number of Negations Needed to Compute Parity Functions
Tetsuro NISHINO  Jaikumar RADHAKRISHNAN 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1995/01/20
Vol. E78-D  No. 1  pp. 90-91
Type of Manuscript: LETTER
Category: Algorithm and Computational Complexity
Keyword: 
computational complexityboolean circuitparity function
  Summary |  Full Text:PDF

Finite State Translation Systems and Parallel Multiple Context-Free Grammars
Yuichi KAJI  Hiroyuki SEKI  Tadao KASAMI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1994/06/20
Vol. E77-D  No. 6  pp. 619-630
Type of Manuscript: PAPER
Category: Automata, Languages and Theory of Computing
Keyword: 
finite state translation systemsparallel multiple context-free grammarstree automatacomputational complexityformal languages
  Summary |  Full Text:PDF

Hierarchical Properties of Realtime One-Way Alternating Multi-Stack-Counter Automata
Tsunehiro YOSHINAGA  Katsushi INOUE  Itsuo TAKANAMI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1994/04/20
Vol. E77-A  No. 4  pp. 621-629
Type of Manuscript: Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: 
Keyword: 
alternating automataone-way counterone-way stack-countercomputational complexity
  Summary |  Full Text:PDF

On the Complexity of Protocol Validation Problems for Protocols with Bounded Capacity Channels
Yoshiaki KAKUDA  Yoshihiro TAKADA  Tohru KIKUNO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1994/04/20
Vol. E77-A  No. 4  pp. 658-667
Type of Manuscript: Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: 
Keyword: 
computational complexitydeadlockNP-completeprotocolprotocol validation
  Summary |  Full Text:PDF

A Note on One-Way Multicounter Machines and Cooperating Systems of One-Way Finite Automata
Yue WANG  Katsushi INOUE  Itsuo TAKANAMI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1993/10/20
Vol. E76-D  No. 10  pp. 1302-1306
Type of Manuscript: LETTER
Category: Automaton, Language and Theory of Computing
Keyword: 
one-way multicounter automatacooperating systems of one-way finite automatahierarchycomputational complexity
  Summary |  Full Text:PDF

Some Hierarchy Results on Multihead Automata over a One-Letter Alphabet
Yue WANG  Katsushi INOUE  Itsuo TAKANAMI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1993/06/20
Vol. E76-D  No. 6  pp. 625-633
Type of Manuscript: PAPER
Category: Automaton, Language and Theory of Computing
Keyword: 
sensing multihead automataautomata on two-dimensional tapesone-letter alphabethierarchycomputational complexity
  Summary |  Full Text:PDF

A Sufficient Condition of A Priori Estimation for Computational Complexity of the Homotopy Method
Mitsunori MAKINO  Masahide KASHIWAGI  Shin'ichi OISHI  Kazuo HORIUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1993/05/20
Vol. E76-A  No. 5  pp. 786-794
Type of Manuscript: Special Section PAPER (Special Section on Neural Nets,Chaos and Numerics)
Category: Numerical Homotopy Method and Self-Validating Numerics
Keyword: 
numerical methodsnonliner system analysishomotopy methodcomputational complexitymonotone operator
  Summary |  Full Text:PDF

A Linear Time Algorithm for Smallest Augmentation to 3-Edge-Connect a Graph
Toshimasa WATANABE  Mitsuhiro YAMAKADO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1993/04/20
Vol. E76-A  No. 4  pp. 518-531
Type of Manuscript: Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: 
Keyword: 
linear-time algorithms3-edge-connected graphsconnectivity augmentationcomputational complexity
  Summary |  Full Text:PDF

Some EXPTIME Complete Problems on Context-Free Languages
Takumi KASAI  Shigeki IWATA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1993/03/20
Vol. E76-D  No. 3  pp. 329-335
Type of Manuscript: PAPER
Category: Algorithm and Computational Complexity
Keyword: 
computational complexityEXPTIME completecontext-free languagepebble game problem
  Summary |  Full Text:PDF

The Universal Recognition Problems for Parallel Multiple Context-Free Grammars and for Their Subclasses
Yuichi KAJI  Ryuichi NAKANISHI  Hiroyuki SEKI  Tadao KASAMI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1992/07/20
Vol. E75-D  No. 4  pp. 499-508
Type of Manuscript: PAPER
Category: Automaton, Language and Theory of Computing
Keyword: 
parallel multiple context-free grammarsuniversal recognition problemcomputational complexityformal language
  Summary |  Full Text:PDF

The Universal Recognition Problems for Multiple Context-Free Grammars and for Linear Context-Free Rewriting Systems
Yuichi KAJI  Ryuichi NAKANISI  Hiroyuki SEKI  Tadao KASAMI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1992/01/20
Vol. E75-D  No. 1  pp. 78-88
Type of Manuscript: Special Section PAPER (Special Section on Theoretical Foundations of Computing)
Category: 
Keyword: 
multiple context-free grammarsrecognition problemcomputational complexityformal language
  Summary |  Full Text:PDF