I. Akiyama

发表

Reflection mode measurement of nonlinearity parameter B/A

I. Akiyama, 2001 .

A new system for in vivo assessment of the degree of nonlinear generation using the second harmonic component in echo signals.

K. Itoh, N. Taniguchi, I. Akiyama, 2004, Ultrasound in medicine & biology.

Compensation method for frequency-dependent attenuation in tissue imaging by amplitude modulation for chirp transmission

Kan Okubo, Norio Tagawa, Iwaki Akiyama, 2015 .

Development of Multiple-Frequency Ultrasonic Imaging System Using Multiple Resonance Piezoelectric Transducer

Daisuke Koyama, Iwaki Akiyama, Kentaro Nakamura, 2012 .

Wide band pulse compression imaging with transmission compensation for frequency dependent attenuation

Kan Okubo, Norio Tagawa, Iwaki Akiyama, 2012, 2012 IEEE International Ultrasonics Symposium.

Development of an ultra-broadband ultrasonic imaging system: prototype mechanical sector device

Akihisa Ohya, Iwaki Akiyama, Shigemi Saito, 2005, Journal of Medical Ultrasonics.

In Vivo Temperature Rise Measurements of Rabbit Liver and Femur Bone Surface Exposed to an Acoustic Radiation Force Impulse.

N. Nitta, N. Taniguchi, I. Akiyama, 2022, Ultrasound in medicine & biology.

Acoustic radiation force impulse under clinical conditions with single infusion of ultrasound contrast agent evoking arrhythmias in rabbit heart

N. Nitta, N. Taniguchi, I. Akiyama, 2021, Journal of Medical Ultrasonics.

Ultrasound exposure (mechanical index 1.8) with acoustic radiation force impulse evokes extrasystolic waves in rabbit heart under concomitant administration of an ultrasound contrast agent

N. Nitta, N. Taniguchi, I. Akiyama, 2015, Journal of Medical Ultrasonics.

The arrhythmogenic effect of ultrasonic exposure with acoustic radiation force (ARF) impulse on the rabbit heart with ultrasound contrast agent perfluorobutane

N. Nitta, N. Taniguchi, I. Akiyama, 2014, Journal of Medical Ultrasonics.

Study of a breast tumor extraction algorithm for three-dimensional ultrasound images, using multiple space differentiation filters: Automated breast tumor extraction algorithm with improved accuracy

Koichi Itoh, Yuki Takizawa, Iwaki Akiyama, 2004 .

Compensation of Frequency-Dependent Attenuation for Tissue Harmonic Pulse Compression Imaging

N. Tagawa, I. Akiyama, Takuya Hiraoka, 2018, Compendium of New Techniques in Harmonic Analysis.

Basic and recent applied technologies of ultrasound in the field of clinical diagnosis

I. Akiyama, 2020, Acoustical Science and Technology.

Ultrasonic Heating Detects Lipiodol Deposition within Liver Tumors after Transarterial Embolization: An In Vivo Approach

K. Kichikawa, Daiki Matsuda, I. Akiyama, 2021, Biology.

Measurement of flow velocity using crossed beam contrast echo method

I. Akiyama, Kenji Yoshida, Yoshiaki Watanabe, 2016 .

Measurement of sound pressure and temperature in tissue-mimicking material using an optical fiber Bragg grating sensor

Kentaro Nakamura, D. Koyama, I. Akiyama, 2016, Journal of Medical Ultrasonics.

Experimental system for in-situ measurement of temperature rise in animal tissue under exposure to acoustic radiation force impulse

N. Nitta, N. Taniguchi, I. Akiyama, 2014, Journal of Medical Ultrasonics.

Do we need to restrict the use of Doppler ultrasound in the first trimester of pregnancy?

K. Maršál, M. Ziskin, J. Abramowicz, 2013, Ultrasound in medicine & biology.

DOWE NEED TORESTRICT THE USE OFDOPPLERULTRASOUND IN THE FIRST TRIMESTER OF PREGNANCY

M. Ziskin, J. Abramowicz, I. Akiyama, 2013 .

Study of automated breast tumor extraction and diagnosis using three-dimensional ultrasonic imaging: Multivariate logistic regression analysis with multiple parameters

Yi Wang, K. Itoh, N. Taniguchi, 2001, Journal of Medical Ultrasonics.

Breast tumor diagnostic system using three-dimensional ultrasonic echography

Yi Wang, Kouichi Itoh, Iwaki Akiyama, 1999, Systems and Computers in Japan.

Ultrasonic speckle velocimetry

M. Nakajima, I. Akiyama, S. Yuta, 1988, IEEE 1988 Ultrasonics Symposium Proceedings..

Speckle Noise Reduction by Superposing Many Higher Harmonic Images

A. Ohya, S. Saito, I. Akiyama, 2005 .

DOWENEEDTORESTRICT THEUSEOFDOPPLERULTRASOUND IN THEFIRST TRIMESTER OF PREGNANCY ?

Gail, Evans, R., 2022 .

Ultrasonic measurement of sound velocity fluctuations in biological tissue due to ultrasonic heating and estimation of thermo-physical properties

N. Nitta, I. Akiyama, Yuka Tsujimoto, 2018, Journal of Medical Ultrasonics.

Measurement of temperature dependence of sound velocity in biological tissues

Toshihiro Tanaka, I. Akiyama, T. Hirai, 2019, Japanese Journal of Applied Physics.

Investigating the type and strength of emotion with music: An fMRI study

Mikio Iwakawa, Iwaki Akiyama, Miwa Fukino, 2017 .

Breast tumor diagnosis system using three dimensional ultrasonic echography

Y. Wang, N. Taniguchi, H. Mizunuma, 1997, Proceedings of the 19th Annual International Conference of the IEEE Engineering in Medicine and Biology Society. 'Magnificent Milestones and Emerging Opportunities in Medical Engineering' (Cat. No.97CH36136).

Determination and Evaluation of the Surface Region of Breast Tumors Using Ultrasonic Echohraphy

Kouichi Itoh, Nobuyuki Taniguchi, Yi Wang, 2002 .

Acoustic radiation force impulse-induced lung hemorrhage: investigating the relationship with peak rarefactional pressure amplitude and mechanical index in rabbits

N. Nitta, N. Taniguchi, I. Akiyama, 2023, Journal of Medical Ultrasonics.

Preliminary Study of Broadband Transducer for Measurement of Bone Characteristics

K. Itoh, N. Tagawa, I. Akiyama, 2010 .

Sound Velocity Estimation and Beamform Correction by Simultaneous Multimodality Imaging with Ultrasound and Magnetic Resonance

Iwaki Akiyama, Ken Inagaki, Shimpei Arai, 2018, Applied Sciences.

World Federation for Ultrasound in Medicine and Biology Position Statement: How to Perform a Safe Ultrasound Examination and Clean Equipment in the Context of COVID-19

K. Maršál, I. Akiyama, B. Fowlkes, 2020, Ultrasound in Medicine & Biology.

Preliminary Investigation of Magnetic Resonance Imaging Guided Beamforming in Flexible Type Ultrasonic Array Transducers

I. Akiyama, K. Hasegawa, S. Takayanagi, 2021, Frontiers of Physics.

Development of bottle recognition system using acoustic Fourier transform

M. Nakajima, I. Akiyama, Tadashi Honda, 2000 .

The effect of ultrasound with acoustic radiation force on rabbit lung tissue: a preliminary study

N. Nitta, N. Taniguchi, I. Akiyama, 2016, Journal of Medical Ultrasonics.

Multiple-frequency ultrasonic imaging by transmitting pulsed waves of two frequencies

Akihisa Ohya, Daisuke Koyama, Iwaki Akiyama, 2009, Journal of Medical Ultrasonics.

Evaluation of Automated Detection System of Three-Dimensional Echography and its Clinical Application in the Detection of Breast Tumors

Y. Wang, I. Akiyama, K. Itoh, 1998 .

Study of the automated breast tumor extraction using 3D ultrasound imaging: The usefulness of depth-width ratio and surface-volume index

Yi Wang, K. Itoh, N. Taniguchi, 2003, Journal of medical ultrasonics.