"Joong-sun Lee,TAKASHI OBI,HIROYUKI SUZUKI,Kazushige Fujita,Masuyoshi Yachida,nagaaki ohyama","PKIユーザ認証とOpenFlow制御を用いたダイナミックVPN構築手法の提案","インターネットアーキテクチャ研究会（IA）","信学技報",,"Vol. 114","No. 373","pp. 35-39",2014,Dec.
"Hiroyuki Suzuki,Lihao Shu,Takuya Urabe,Takashi Obi,Nagaaki Ohyama","Improvement of verification accuracy in finger vein encrypted sensing system based on compressed sensing","2nd Asian Image Sensors and Imaging Systems Symposium","ITE technical report",,"Vol. 38","No. 47","pp. 21-22",2014,Dec.
"Joong-sun Lee,TAKASHI OBI,HIROYUKI SUZUKI,Kazushige Fujita,Masuyoshi Yachida,nagaaki ohyama","保健医療福祉分野PKIとOpenFlowを連携した医療用ネットワークの提案","情報通信マネジメント研究会 (ICM)","信学技報",,"Vol. 114","No. 299","pp. 7-11",2014,Nov.
"HIROYUKI SUZUKI,Akihiro Hara,TAKASHI OBI,nagaaki ohyama","動画像撮影による手振り型指静脈認証システム","Optics & Photonics Japan 2014","Optics & Photonics Japan 2014講演予稿集",,,"  5aDS13",,2014,Oct.
"nagaaki ohyama,木村恵太郎,井堀幹夫,Tetsuya Natsume,Chikahiro Miyokawa","番号制度導入時代の電子自治体加速?その実践と展望?",,"番号制度導入時代の電子自治体加速?その実践と展望?","自治日報社",,,,2014,Sept.
"TAKASHI OBI,nagaaki ohyama","次世代の自治体ネットワークの構築に向けて",,"月刊 J-LIS","地方公共団体情報システム機構","Vol. 1","No. 4","pp. 25-30",2014,July
"Hiroyuki Suzuki,Masafumi Takeda,Masahiro Yamaguchi,Takashi Obi,Nagaaki Ohyama","Encrypted sensing for enhancing security of biometric authentication","13th Workshop on Information Optics (WIO2014)","Proceeding of  2014 13th Workshop on Information Optics",,,,"pp. 1-3",2014,July
"Tatsuya KON,Takashi OBI,Muneyuki Sakata,Nagaaki OHYAMA,Yuichi Kimura","Validation of a Fast Block-Iterative Spatio-temporal Reconstruction Algorithm for Small Animal Dynamic PET Data",,"Advanced Biomedical Engineering",,"Vol. 3",,"pp. 7-13",2014,Apr.
"Kazushige Fujita,TAKASHI OBI,Chikahiro Miyokawa,Masuyoshi Yachida,Joong-sun Lee,Tetsuya Natsume,NAOKO TAIRA,Eikazu Niwano,熊倉 誠,Yoshiaki Iwamaru,nagaaki ohyama","A study on cooperation between the public sector and the private sector by utilizing the Public Certification Service for Individuals","ライフインテリジェンスとオフィス情報システム研究会","信学技報","電子情報通信学会","Vol. 113","No. 381","pp. 29-34",2014,Jan.
"Joong-sun Lee,TAKASHI OBI,HIROYUKI SUZUKI,Kazushige Fujita,Daisuke Akiyama,nagaaki ohyama","OpenFlowを利用した小規模医療機関向けネットワーク管理サービスの提案","第4回医療情報通信技術研究会（MICT）",,,,,,2014,Jan.
"TAKASHI OBI,Kazushige Fujita,nagaaki ohyama","新たな公的個人認証サービスとその医療分野での利用に関する検討","2014年暗号と情報セキュリティシンポジウム（SCIS2014）","SCIS2014論文集",,,"  4B1-3",,2014,Jan.