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IEICE Trans

Shingo OKA

Quo Vadis Diffusion Model? A Case for Membership Inference Attacks
Tomoya MATSUMOTO Takayuki MIURA Shingo OKAMURA Behrouz ZOLFAGHARI Naoto YANAI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2025/12/01
Vol. E108-D  No. 12  pp. 1496-1506
Type of Manuscript:  Special Section PAPER (Special Section on Information and Communication System Security)
Category: 
Keyword: 
diffusion model, membership inference attack, generative adversarial network, hyperparameter, privacy, 
 Summary | Full Text:PDF
Removing Mislabeled Data from Trained Models via Machine Unlearning
Issa SUGIURA Shingo OKAMURA Naoto YANAI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2025/08/01
Vol. E108-D  No. 8  pp. 863-871
Type of Manuscript:  Special Section PAPER (Special Section on Data Engineering and Information Management)
Category: 
Keyword: 
machine learning, mislabeled data, detection, machine unlearning, learning from noisy data, 
 Summary | Full Text:PDF
APVAS: Reducing the Memory Requirement of AS_PATH Validation by Introducing Aggregate Signatures into BGPsec
Ouyang JUNJIE Naoto YANAI Tatsuya TAKEMURA Masayuki OKADA Shingo OKAMURA Jason Paul CRUZ 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2023/03/01
Vol. E106-A  No. 3  pp. 170-184
Type of Manuscript:  Special Section PAPER (Special Section on Cryptography and Information Security)
Category: 
Keyword: 
BGPsec, path validation, aggregate signatures, internet routing, memory consumption, 
 Summary | Full Text:PDF
Experiment of Integrated Technologies in Robotics, Network, and Computing for Smart Agriculture
Ryota ISHIBASHI Takuma TSUBAKI Shingo OKADA Hiroshi YAMAMOTO Takeshi KUWAHARA Kenichi KAWAMURA Keisuke WAKAO Takatsune MORIYAMA Ricardo OSPINA Hiroshi OKAMOTO Noboru NOGUCHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2022/04/01
Vol. E105-B  No. 4  pp. 364-378
Type of Manuscript:  INVITED PAPER (Special Section on Wired-and-Wireless Network System Technologies in Beyond 5G Era)
Category: 
Keyword: 
smart agriculture, robot vehicle, autonomous driving, wireless network quality prediction, overlay network, image processing, IOWN, 
 Summary | Full Text:PDF
On the Feasibility of an Adaptive Movable Access Point System in a Static Indoor WLAN Environment
Tomoki MURAKAMI Shingo OKA Yasushi TAKATORI Masato MIZOGUCHI Fumiaki MAEHARA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2018/07/01
Vol. E101-B  No. 7  pp. 1693-1700
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
wireless local area network (WLAN) system, adaptive movable access point (AMAP) system, traffic offload, k-means method, time of arrival (ToA), receive signal strength indicator (RSSI), signal to interference and noise ratio (SINR), 
 Summary | Full Text:PDF
A Private and Consistent Data Retrieval Scheme with Log-Squared Communication
Satoshi NAKAYAMA Maki YOSHIDA Shingo OKAMURA Toru FUJIWARA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/01/01
Vol. E90-A  No. 1  pp. 204-215
Type of Manuscript:  Special Section PAPER (Special Section on Cryptography and Information Security)
Category: Application
Keyword: 
data retrieval, privacy of a user, secrecy of the database, consistency of answers, communication complexity, 
 Summary | Full Text:PDF
Unlinkable Delivery System for Interactive Dramas
Shingo OKAMURA Yoshiyuki KONISHI Maki YOSHIDA Toru FUJIWARA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/01/01
Vol. E88-A  No. 1  pp. 262-269
Type of Manuscript:  Special Section PAPER (Special Section on Cryptography and Information Security)
Category: Application
Keyword: 
interactive drama, delivery control, protection of privacy, partially blind signature scheme, 
 Summary | Full Text:PDF