Yoshiaki SHIRAI


Multi-Environment Analysis System for Evaluating the Impact of Malicious Web Sites Changing Their Behavior
Yoshiaki SHIRAISHI Masaki KAMIZONO Masanori HIROTOMO Masami MOHRI 
Publication:   
Publication Date: 2017/10/01
Vol. E100-D  No. 10  pp. 2449-2457
Type of Manuscript:  Special Section PAPER (Special Section on Advanced Log Processing and Office Information Systems)
Category: 
Keyword: 
drive-by download attackweb site analysismulti-environment analysisforensicrisk hedge
 Summary | Full Text:PDF(1.2MB)

Attribute Revocable Attribute-Based Encryption with Forward Secrecy for Fine-Grained Access Control of Shared Data
Yoshiaki SHIRAISHI Kenta NOMURA Masami MOHRI Takeru NARUSE Masakatu MORII 
Publication:   
Publication Date: 2017/10/01
Vol. E100-D  No. 10  pp. 2432-2439
Type of Manuscript:  Special Section PAPER (Special Section on Advanced Log Processing and Office Information Systems)
Category: 
Keyword: 
cryptographic cloud storageciphertext-policy attribute-based encryptionsemantic securityattribute revocationproxy re-encryption
 Summary | Full Text:PDF(802.4KB)

Delivering CRL with Low Bit Rate Network Coded Communication for ITS
Yoshiaki SHIRAISHI Masanori HIROTOMO Masami MOHRI Taisuke YAMAMOTO 
Publication:   
Publication Date: 2017/10/01
Vol. E100-D  No. 10  pp. 2440-2448
Type of Manuscript:  Special Section PAPER (Special Section on Advanced Log Processing and Office Information Systems)
Category: 
Keyword: 
intelligent transport systemroad-to-vehicle communicationinter-vehicle communicationnetwork codingpublic key infrastructurecertificate revocation list
 Summary | Full Text:PDF(1.3MB)

Attribute Revocable Multi-Authority Attribute-Based Encryption with Forward Secrecy for Cloud Storage
Kenta NOMURA Masami MOHRI Yoshiaki SHIRAISHI Masakatu MORII 
Publication:   
Publication Date: 2017/10/01
Vol. E100-D  No. 10  pp. 2420-2431
Type of Manuscript:  Special Section PAPER (Special Section on Advanced Log Processing and Office Information Systems)
Category: 
Keyword: 
ciphertext-policy attribute-based encryptionmultiple key authoritiesattribute revocationforward secrecy
 Summary | Full Text:PDF(1.3MB)

Multi-Group Signature Scheme for Simultaneous Verification by Neighbor Services
Kenta NOMURA Masami MOHRI Yoshiaki SHIRAISHI Masakatu MORII 
Publication:   
Publication Date: 2017/08/01
Vol. E100-D  No. 8  pp. 1770-1779
Type of Manuscript:  Special Section PAPER (Special Section on Information and Communication System Security)
Category: Cryptographic Schemes
Keyword: 
internet of thingslocal broadcastdigital signaturefiat-shamir transformlow energy
 Summary | Full Text:PDF(1018.3KB)

SSL Client Authentication with TPM
Shohei KAKEI Masami MOHRI Yoshiaki SHIRAISHI Masakatu MORII 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2016/04/01
Vol. E99-D  No. 4  pp. 1052-1061
Type of Manuscript:  Special Section PAPER (Special Section on Cyberworlds)
Category: 
Keyword: 
Trusted Platform Modulepublic key certificateOpenIDSSLclient certificate
 Summary | Full Text:PDF(1.8MB)

New Weakness in the Key-Scheduling Algorithm of RC4
Toshihiro OHIGASHI Yoshiaki SHIRAISHI Masakatu MORII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/01/01
Vol. E91-A  No. 1  pp. 3-11
Type of Manuscript:  Special Section PAPER (Special Section on Cryptography and Information Security)
Category: Symmetric Cryptography
Keyword: 
cryptanalysisstream cipherRC4key scheduling algorithm
 Summary | Full Text:PDF(308.7KB)

Robust Face Recognition under Various Illumination Conditions
Atsushi MATSUMOTO Yoshiaki SHIRAI Nobutaka SHIMADA Takuro SAKIYAMA Jun MIURA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2006/07/01
Vol. E89-D  No. 7  pp. 2157-2163
Type of Manuscript:  Special Section PAPER (Special Section on Machine Vision Applications)
Category: Face, Gesture, and Action Recognition
Keyword: 
face recognitionmutual subspace methodnormalization of illuminationmultiple subspaces
 Summary | Full Text:PDF(767.3KB)

Internal-State Reconstruction of a Stream Cipher RC4
Yoshiaki SHIRAISHI Toshihiro OHIGASHI Masakatu MORII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/10/01
Vol. E86-A  No. 10  pp. 2636-2638
Type of Manuscript:  Special Section LETTER (Special Section on Information Theory and Its Applications)
Category: Information Security
Keyword: 
stream cipherRC4internal-state reconstruction
 Summary | Full Text:PDF(146.9KB)

Recognition of Two-Hand Gestures Using Coupled Switching Linear Model
Mun-Ho JEONG Yoshinori KUNO Nobutaka SHIMADA Yoshiaki SHIRAI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2003/08/01
Vol. E86-D  No. 8  pp. 1416-1425
Type of Manuscript:  PAPER
Category: Image Processing, Image Pattern Recognition
Keyword: 
gesture recognitionEM algorithmcouplingswitching linear model
 Summary | Full Text:PDF(1.2MB)

A Method for Improving Fast Correlation Attack Using Parity Check Equations Modifications
Youji FUKUTA Yoshiaki SHIRAISHI Masakatu MORII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/08/01
Vol. E86-A  No. 8  pp. 2155-2158
Type of Manuscript:  LETTER
Category: Information Security
Keyword: 
stream ciphernonlinear combiner generatorfast correlation attackparity check equations
 Summary | Full Text:PDF(187.5KB)

An Active Vision System for On-Line Traffic Sign Recognition
Jun MIURA Tsuyoshi KANDA Shusaku NAKATANI Yoshiaki SHIRAI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2002/11/01
Vol. E85-D  No. 11  pp. 1784-1792
Type of Manuscript:  Special Section PAPER (Special Issue on Information System Technologies for ITS)
Category: 
Keyword: 
traffic sign recognitionactive visionreal-time visionITS
 Summary | Full Text:PDF(1.9MB)

Recognition of Shape-Changing Hand Gestures
Mun-Ho JEONG Yoshinori KUNO Nobutaka SHIMADA Yoshiaki SHIRAI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2002/10/01
Vol. E85-D  No. 10  pp. 1678-1687
Type of Manuscript:  PAPER
Category: Multimedia Pattern Processing
Keyword: 
gesture recognitionactive contourswitching linear model
 Summary | Full Text:PDF(711.3KB)

Robust Visual Tracking by Integrating Various Cues
Yoshiaki SHIRAI Tsuyoshi YAMANE Ryuzo OKADA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1998/09/25
Vol. E81-D  No. 9  pp. 951-958
Type of Manuscript:  INVITED PAPER (Special Issue on Multisensor Fusion and Integration)
Category: 
Keyword: 
image sequencesensor fusiontrackingoptical flowuniform region
 Summary | Full Text:PDF(1.6MB)

Active Sensor Fusion for Collision Avoidance in Behaviour-Based Mobile Robots
Terence Chek Hion HENG Yoshinori KUNO Yoshiaki SHIRAI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1998/05/25
Vol. E81-D  No. 5  pp. 448-456
Type of Manuscript:  PAPER
Category: Image Processing,Computer Graphics and Pattern Recognition
Keyword: 
mobile robotbehaviour-based robotsonar sensingsensor fusionactive vision
 Summary | Full Text:PDF(963.9KB)

Vision-Based Human Interface System with World-Fixed and Human-Centered Frames Using Multiple View Invariance
Kang-Hyun JO Kentaro HAYASHI Yoshinori KUNO Yoshiaki SHIRAI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1996/06/25
Vol. E79-D  No. 6  pp. 799-808
Type of Manuscript:  Special Section PAPER (Special Issue on Multimedia Computing and Communications)
Category: 
Keyword: 
human interface systemgesture recognitionaffine invariantsworld-fixed framehuman-centered frame
 Summary | Full Text:PDF(1021.7KB)

Motion Description and Segmentation of Multiple Moving Objects in a Long Image Sequence
Haisong GU Yoshiaki SHIRAI Minoru ASADA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1995/03/25
Vol. E78-D  No. 3  pp. 277-289
Type of Manuscript:  PAPER
Category: Image Processing, Computer Graphics and Pattern Recognition
Keyword: 
spatiotemporal segmentationmultiple moving objectsMDL principlemotion description
 Summary | Full Text:PDF(1.1MB)

FOREWORD
Yoshiaki SHIRAI Kenichiro ISHII 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1995/01/25
Vol. E78-D  No. 1  pp. 1-2
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(148.5KB)

FOREWORD
Yoshiaki SHIRAI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1994/11/25
Vol. E77-D  No. 11  pp. 1197-1197
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(71.8KB)

Segmentation Based on Accumulative Observation of Apparent Motion in Long Image Sequences
Hsiao-Jing CHEN Yoshiaki SHIRAI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1994/06/25
Vol. E77-D  No. 6  pp. 694-704
Type of Manuscript:  PAPER
Category: Image Processing, Computer Graphics and Pattern Recognition
Keyword: 
image processingoptical flowsegmentationlong sequencestemporal coherence
 Summary | Full Text:PDF(1.4MB)

Scene Interpretation with Default Parameter Models and Qualitative Constraints
Michael HILD Yoshiaki SHIRAI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1993/12/25
Vol. E76-D  No. 12  pp. 1510-1520
Type of Manuscript:  PAPER
Category: Image Processing, Computer Graphics and Pattern Recognition
Keyword: 
scene interpretationfeature variability problemlocal feature default modelsqualitative constraintscore regions
 Summary | Full Text:PDF(1.7MB)

Detecting Multiple Rigid Image Motions from an Optical Flow Field Obtained with Multi-Scale, Multi-Orientation Filters
Hsiao-Jing CHEN Yoshiaki SHIRAI Minoru ASADA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1993/10/25
Vol. E76-D  No. 10  pp. 1253-1262
Type of Manuscript:  PAPER
Category: Image Processing, Computer Graphics and Pattern Recognition
Keyword: 
motion analysisoptical flowmulti-filteringuncertainty of flow vectormotion-based segmentation
 Summary | Full Text:PDF(1.2MB)

Integration of Color and Range Data for Three-Dimensional Scene Description
Akira OKAMOTO Yoshiaki SHIRAI Minoru ASADA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1993/04/25
Vol. E76-D  No. 4  pp. 501-506
Type of Manuscript:  Special Section PAPER (Special Issue on Image Processing and Understanding)
Category: 
Keyword: 
image understandingrange datasensor fusionscene descriptioncolor imagestereo vision
 Summary | Full Text:PDF(557.4KB)

Building a 3-D World Representation for Dynamic Scenes from Range Image Sequences
Minoru ASADA Masahiro KIMURA Yoshiaki SHIRAI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1991/10/25
Vol. E74-D  No. 10  pp. 3433-3443
Type of Manuscript:  Special Section PAPER (Special Issue on Computer Vision and Its Applications)
Category: 
Keyword: 
 Summary | Full Text:PDF(1018.6KB)