Yoshinori TAKEI


On Aggregating Two Metrics with Relaxed Triangle Inequalities by the Weighted Harmonic Mean
Toshiya ITOH Yoshinori TAKEI 
Publication:   
Publication Date: 2018/09/01
Vol. E101-A  No. 9  pp. 1404-1411
Type of Manuscript:  Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: 
Keyword: 
aggregation of metricsrelaxed triangle inequalityset similarityJaccard-Tanimoto distance
 Summary | Full Text:PDF(881.4KB)

Reducing Stopband Peak Errors of R-Regular 4th-Band Linear Phase FIR Filters by Superimposing
LinnAung PE Toshinori YOSHIKAWA Yoshinori TAKEI Xi ZHANG Yasunori SUGITA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/02/01
Vol. E89-A  No. 2  pp. 615-619
Type of Manuscript:  LETTER
Category: Digital Signal Processing
Keyword: 
linear phase FIR filtersR-regular Mth-band filterssuperimposing
 Summary | Full Text:PDF(176.4KB)

Constructing Families of ε-Approximate k-Wise Independent Permutations
Toshiya ITOH Yoshinori TAKEI Jun TARUI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2004/05/01
Vol. E87-A  No. 5  pp. 993-1003
Type of Manuscript:  Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: 
Keyword: 
k-wise independenceε-approximatepermutation familiesprobabilistic methodslinear algebra methods
 Summary | Full Text:PDF(268.6KB)

On the Distribution of Fractional Linear Congruential Pseudorandom Numbers
Yoshinori TAKEI Toshinori YOSHIKAWA Xi ZHANG 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2003/02/01
Vol. E86-D  No. 2  pp. 276-284
Type of Manuscript:  Special Section PAPER (Special Issue on Selected Papers from LA Symposium)
Category: Algorithms
Keyword: 
pseudorandom generatorsfractional linear transformsdiscrepancyinversive linear congruent generatorsleap-frog
 Summary | Full Text:PDF(268.1KB)

Constructing an Optimal Family of Min-Wise Independent Permutations
Yoshinori TAKEI Toshiya ITOH Takahiro SHINOZAKI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/04/25
Vol. E83-A  No. 4  pp. 747-755
Type of Manuscript:  PAPER
Category: Algorithms and Data Structures
Keyword: 
min-wise independencepermutationsoptimal boundp-samplability
 Summary | Full Text:PDF(490.1KB)

A General Construction of Min-Wise Independent Permutations
Yoshinori TAKEI Toshiya ITOH 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/04/25
Vol. E83-A  No. 4  pp. 646-655
Type of Manuscript:  Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: 
Keyword: 
min-wise independencepermutationsgeneral construction
 Summary | Full Text:PDF(420.8KB)