Naohisa KOMATSU


Mean Approximate Formulas for GI/G/1 Processor-Sharing System
Kentaro HOSHI Yoshiaki SHIKATA Yoshitaka TAKAHASHI Naohisa KOMATSU 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/08/01
Vol. E94-B  No. 8  pp. 2247-2253
Type of Manuscript:  PAPER
Category: Fundamental Theories for Communications
Keyword: 
queuestele-traffic analysisunfinished-worksojourn-timeprocessor-sharingrenewal input
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Secure Public-Key Encryption from Random Oracle Transformation
Mototsugu NISHIOKA Naohisa KOMATSU 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2011/04/01
Vol. E94-A  No. 4  pp. 1091-1105
Type of Manuscript:  PAPER
Category: Cryptography and Information Security
Keyword: 
Public-key encryptionRandom oracleInstantiation
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Public-Key Encryptions with Invariant Security Reductions in the Multi-User Setting
Mototsugu NISHIOKA Naohisa KOMATSU 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2011/02/01
Vol. E94-A  No. 2  pp. 735-760
Type of Manuscript:  PAPER
Category: Cryptography and Information Security
Keyword: 
public-key encryptionsecurity reductionmulti-user setting
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A Note on the Random Oracle Methodology
Mototsugu NISHIOKA Naohisa KOMATSU 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/02/01
Vol. E91-A  No. 2  pp. 650-663
Type of Manuscript:  PAPER
Category: Cryptography and Information Security
Keyword: 
random oracle modelstandard computational modelsignature schemeencryption scheme
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A Scalable IP Traffic Control Method for Weighted Bandwidth Allocation per Flow
Ryoichi KAWAHARA Naohisa KOMATSU 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2001/10/01
Vol. E84-B  No. 10  pp. 2815-2829
Type of Manuscript:  PAPER
Category: Internet
Keyword: 
weighted bandwidth allocationdifferentiated services architectureestimated number of flows
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A Secure Communication System Using Biometric Identity Verification
Yasushi YAMAZAKI Naohisa KOMATSU 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2001/07/01
Vol. E84-D  No. 7  pp. 879-884
Type of Manuscript:  Special Section LETTER (Special Issue on Biometric Person Authentication)
Category: 
Keyword: 
biometric authenticationsecure communicationhandwritingtelewriting system
 Summary | Full Text:PDF(433.7KB)

FOREWORD
Naohisa KOMATSU 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2001/07/01
Vol. E84-D  No. 7  pp. 787-787
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(121.6KB)

FOREWORD
Haruo OGIWARA Naohisa KOMATSU Kenji NAKAGAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/10/25
Vol. E83-A  No. 10  pp. 1869-1869
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
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Extraction of Personal Features from On-Line Handwriting Information in Context-Independent Characters
Yasushi YAMAZAKI Naohisa KOMATSU 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/10/25
Vol. E83-A  No. 10  pp. 1955-1962
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Identity Verification
Keyword: 
feature extractionwriter verificationhandwritingidentity verification
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FOREWORD
Hiromasa IKEDA Masafumi KATOH Naohisa KOMATSU Toshikane ODA Hiroshi SAITO Hiroshi SUZUKI Miki YAMAMOTO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1998/05/25
Vol. E81-B  No. 5  pp. 821-823
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
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A Proposal for a Text-Indicated Writer Verification Method
Yasushi YAMAZAKI Naohisa KOMATSU 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1997/11/25
Vol. E80-A  No. 11  pp. 2201-2208
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Security
Keyword: 
identity verificationwriter verificationcharacter recognitionfeature extractionhandwriting
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FOREWORD
Yasuhiko YASUDA Ichiro IIDA Naohisa KOMATSU Makoto NAKAMURA Jun NISHIKIDO Hiroyuki OKAZAKI Yoshinori SAKAI Yoshiaki TANAKA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1996/08/25
Vol. E79-B  No. 8  pp. 987-988
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(383.2KB)

FOREWORD
Ichirou YAMASHITA Chang Joon CHAE Naohisa KOMATSU Junsuke KUSANAGI Kenji OKADA Michisuke SHIMODAIRA Shigeyuki UNAGAMI Ryozo YMAUCHI Etsugo YONEDA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1996/07/25
Vol. E79-B  No. 7  pp. 883-884
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(286.8KB)

Stored/Forward Network Architecture for Multimedia Subscriber--ATM Mini-Bar System and Its Memory Architecture--
Hideyoshi TOMINAGA Yasuharu KOSUGE Norio ITO Naohisa KOMATSU Dongwhee KIM 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1995/04/25
Vol. E78-B  No. 4  pp. 580-590
Type of Manuscript:  PAPER
Category: Communication Networks and Service
Keyword: 
information providing service infrastructuremultimedia networkhierarchical memory architectureinformation pre-delivery
 Summary | Full Text:PDF(915.3KB)