Ultrasonic beamwidth effect on evaluation of attenuation by sampling medical B-mode imaging data. - Kawan Soetanto; Shigeo Ohtsuki; Motoyoshi Okujima; Motonao Tanaka (ICASSP, 1986)

The flow velocity distribution from the doppler information on a plane in three-dimensional flow. - Shigeo Ohtsuki; Motonao Tanaka (J. Vis., 2006)