Average difference imaging and its application to ultrasonic nondestructive evaluation of wind turbine blade. - Koki Tsukuda; Tadahito Egawa; Kazuhiko Taniguchi; Yutaka Hata (SMC, 2012)

Fuzzy Damage Extraction Method for Ultrasonic Nondestructive Testing Images. - Koki Tsukuda; Tadahito Egawa; Kazuhiko Taniguchi; Kei Kuramoto; Syoji Kobashi; Yutaka Hata (ISMVL, 2013)

An Ultrasonic Imaging for Seminiferous Tubules Beyond the Wavelength Limit. - Koki Tsukuda; Tomomoto Ishikawa; Yutaka Hata (SMC, 2013)

A Fuzzy Ultrasonic Imaging Method for Healthy Seminiferous Tubules. - Koki Tsukuda; Tomomoto Ishikawa; Seturo Imawaki; Yutaka Hata (Advanced Intelligent Systems, 2014)

Ultrasonic-Frequency-Based Visualization of Columnar Soft Matter Beyond Wavelength Limitations. - Yutaka Hata; Yuya Takashima; Koki Tsukuda; Sho Kikuchi; Tomomoto Ishikawa (IEEE Trans. Syst. Man Cybern. Syst., 2018)