"Zheng LIU,TAKASHI OBI,Masahiro Yamaguchi,nagaaki ohyama","Fast Estimation of Scatter Components Using the Ordered Subset Expectation Maximization Algorithm for Scatter Compensation",,"Optical Review",,"Vol. 6","No. 5","pp. 415-423",1999,Sept.
"Hidekazu Nishizawa,Takashi Obi,Masahiro Yamaguchi,Nagaaki Ohyama","Hierarchical Clustering Method for Extraction of Knowledge from a Large Amount of Data",,"Optical review",,"Vol. 6","No. 4","pp. 302-307",1999,July
"Y?cel U?urlu,Takashi Obi,Akira Hasegawa,Masahiro Yamaguchi,Nagaaki Ohyama","Detection of Interval Changes from a Pair of Images : A Proposal of Pattern Histogram",,"Optical review",,"Vol. 6","No. 4","pp. 314-320",1999,July
"土田勝,小尾高史,山口雅浩,大山永昭","多方向から撮影した画像を用いた異なる照明環境下における画像再現",,"３次元画像コンファレンス '99",,,,"pp. 17-20",1999,June
"Zheng Liu,Takashi Obi,Masahiro Yamaguchi,Nagaaki Ohyama","Fast estimation of scatter components with good accuracy by using OS-EM techniques for scatter subtraction","Medical Imaging 1999","Proc.SPIE",,"Vol. 3659",,"pp. 962-973",1999,May
"Maria Madjarova,Mitsugu Kakuta,Takashi Obi,Masahiro Yamaguchi,Nagaaki Ohyama","Opto-Electronic Block-Cipher Based on Iteration of the 2-D Toggle Cellular Automata : Algorithm",,"Optical review",,"Vol. 6","No. 2","pp. 110-117",1999,Mar.
"Zheng Liu,Takashi Obi,Masahiro Yamaguchi,Nagaaki Ohyama","Modeling Scatter in Multiple Energy Windows to Incorporate Scattered Radiation Information in Single Photon Emission Computed Tomography Imaging",,"Optical review",,"Vol. 6","No. 1","pp. 49-56",1999,Jan.
"小尾高史","時間情報を用いた3次元PET画像再構成手法の開発（中間報告）",,"INNERVISION","INNERVISION","Vol. 14","No. 8","pp. 43",1999,
"Takashi Obi,Samuel Matej,Robert M. Lewitt,Gabor T. Herman","Fourier-Rebinningアルゴリズムを用いた21/2次元PET画像再構成手法の開発",,"Medical Imaging Technology",,"Vol. 17","No. 4","pp. 411-412",1999,
"Takashi Obi,Samuel Matej,Robert M. Lewitt,Gabor T. Herman","Fourier-Rebinningアルゴリズムを用いた21/2次元PET画像再構成手法の開発",,"第46回応用物理学関係連合講演会講演予稿集",,,,"pp. 1068",1999,
"小尾高史,山口雅浩,大山永昭","Fourier-Rebinningアルゴリズムを用いた3次元PET画像再構成手法の開発",,"信学技報",,"Vol. MI99-38",,"pp. 45-49",1999,
"Takashi Obi,Samuel Matej,Robert M. Lewitt,Gabor T. Herman","Performance of 2 1/2D Simultaneous Multislice Reconstruction from Fourier-Rebinned PET Data",,"Japanese Journal of Medical Physics",,"Vol. 19","No. 61","pp. 356-357",1999,
"Takashi OBI,Samuel MATEJ,Robert M. LEWITT,Gabor T. HERMAN","2½D Simultaneous Multislice Reconstruction by Iterative Algorithms from Fourier-Rebinned PET Data",,"1999 Fully 3D Img. Recon. In Rad. and Nucl. Med",,,,"pp. 111-114",1999,
"小尾高史,山口雅浩,大山永昭","光セルラーオートマタによる高速暗号化手法",,"光学","光学","Vol. 28","No. 1","pp. 26-27",1999,
"小尾高史,小山隆明,山谷泰賀,山口雅浩,大山永昭","Two Compartment ModelにおけるPETデータからの高速な代謝量推定方法",,"Medical Imaging Technology",,"Vol. 17","No. 4","pp. 415-416",1999,
"Takeyuki Ajito,Takashi Obi,Masahiro Yamaguchi,Nagaaki Ohyama","Six-primary color projection display for expanded color gamut reproduction","International Symposium on Multispectral Imaging and Color Reproduction for Digital Archives","Proceedings of International Symposium on Multispectral Imaging and Color Reproduction for Digital Archives",,,,"pp. 135-138",1999,
"Keiko Ohkura,Yucel Ugurlu,Hidekazu Nishizawa,Takashi Obi,Akira Hasegawa,Masahiro Yamaguchi,Nagaaki Ohyama","Hierarchical image segmentation using adaptive pattern sizes","IEEE International Conference on Image Processing","Proceedings 1999 International Conference on Image Processing (Cat. 99CH36348)",,"Vol. 3",,"pp. 212-216",1999,
"土田 勝,小尾 高史,山口 雅浩,大山 永昭","マルチスペクトル情報を利用した異なる照明環境下における画像再現","第59回応用物理学会学術講演会","第59回応用物理学会学術講演会予稿集",,,,"  2a-ZH-1",1999,
"Yasuhiro Komiya,Kenro Ohsawa,Yuri Ohya,Takashi Obi,Masahiro Yamaguchi,Nagaaki Ohyama","Natural color reproduction system for telemedicine and its application to digital camera","IEEE International Conference on Image Processing","Proceedings 1999 International Conference on Image Processing",,"Vol. 3",,"pp. 50-54",1999,
"Takeyuki Ajito,Takashi Obi,Masahiro Yamaguchi,Nagaaki Ohyama","Multiprimary color display for liquid crystal display projectors using diffraction grating",,"Optical Engineering",,"Vol. 38","No. 11","pp. 1883-1888",1999,
"Yucel Ugurlu,Keiko Ohkura,Takashi Obi,Akira Hasegawa,Masahiro Yamaguchi,Nagaaki Ohyama","Detection of increasing profusion of opacities from a sequence of personal chest radiographs","IEEE International Conference on Image Processing","Proceedings 1999 International Conference on Image Processing (Cat. 99CH36348)",,"Vol. 3",,"pp. 402-406",1999,