Time and flow study results before and after installation of a hospital information system and radiology information system and before clinical use of a picture archiving and communication system. - Kiyonari Inamura; Tokuo Umeda; Hajime Harauchi; Hiroshi Kondoh; Toshitsune Hasegawa; Takahiro Kozuka; Hiroshi Takeda; Michitoshi Inoue (J. Digit. Imaging, 1997)

Methodology development for quantitative optimization of security enhancement in medical information system - case study in RIS and multi-institutional radiotherapy database. - Kiyofumi Haneda; Tokuo Umeda; Tadashi Koyama; Hajime Harauchi; Kiyonari Inamura (CARS, 2001)

Automatic searching of the anatomically same slice from follow-up CT images with a slice at the time of dose distribution planning in radiotherapy. - Akihiro Takemura; Hajime Harauchi; Tokuo Umeda; Kiyonari Inamura; Masayuki Suzuki; M. Iinuma (CARS, 2001)

Automatic segmentation method which divides a cerebral artery tree in time-of-flight MR-angiography into artery segments. - Akihiro Takemura; Masayuki Suzuki; Hajime Harauchi; Yusuke Okumura; Tokuo Umeda (Image Processing, 2006)

Design and development of a secure DICOM-Network Attached Server. - Hidenobu Tachibana; Masahiko Omatsu; Ko Higuchi; Tokuo Umeda (Comput. Methods Programs Biomed., 2006)

Microcatheter Tip Enhancement in Fluoroscopy: A Comparison of Techniques. - Akihiro Takemura; Kenneth R. Hoffmann; Masayuki Suzuki; Zhou Wang; Hussain S. Rangwala; Hajime Harauchi; Stephen Rudin; Tokuo Umeda (J. Digit. Imaging, 2007)

An Algorithm for Tracking Microcatheters in Fluoroscopy. - Akihiro Takemura; Kenneth R. Hoffmann; Masayuki Suzuki; Zhou Wang; Hussain S. Rangwala; Hajime Harauchi; Stephen Rudin; Tokuo Umeda (J. Digit. Imaging, 2008)

Evaluation of the X-ray digital linear tomosynthesis reconstruction processing method for metal artifact reduction. - Tsutomu Gomi; Hiroshi Hirano; Tokuo Umeda (Comput. Medical Imaging Graph., 2009)

Security Model to Ensure Copyright of Medical Information Using Digital Watermarks. - Akiko Okawa; Tokuo Umeda; Tsutomu Gomi; Kaori Asaba; Masako Takahata (ICIMTH, 2014)

Security Model for Secure Transmission of Medical Image Data Using Steganography. - Tokuo Umeda; Akiko Okawa; Tsutomu Gomi (ICIMTH, 2014)

Wavelet denoising for quantum noise removal in chest digital tomosynthesis. - Tsutomu Gomi; Masahiro Nakajima; Tokuo Umeda (Int. J. Comput. Assist. Radiol. Surg., 2015)

Comparison of Reconstruction Algorithms for Decreasing the Exposure Dose During Digital Tomosynthesis for Arthroplasty: a Phantom Study. - Tsutomu Gomi; Rina Sakai; Masami Goto; Yusuke Watanabe; Tohoru Takeda; Tokuo Umeda (J. Digit. Imaging, 2016)