C. Sumi

发表

Regularization for ultrasonic measurements of tissue displacement vector and strain tensor

C. Sumi, K. Sato, C. Sumi, 2008, IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control.

Displacement vector measurement using instantaneous ultrasound signal phase-multidimensional autocorrelation and Doppler methods

C. Sumi, 2008, IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control.

Reconstructions of shear modulus, poisson's ratio, and density using approximate mean normal stress /spl lambda//spl epsiv//sub /spl alpha//spl alpha// as unknown

C. Sumi, 2006, IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control.

Usefulness of ultrasonic strain measurement- based shear modulus reconstruction for diagnosis and thermal treatment

C. Sumi, C. Sumi, 2005, IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control.

Regularization of tissue shear modulus reconstruction using strain variance

C. Sumi, 2008, IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control.

Reconstructions of shear modulus, Poisson's ratio, and density using approximate mean normal stress lambda epsilon alpha alpha as unknown.

C. Sumi, 2006, IEEE transactions on ultrasonics, ferroelectrics, and frequency control.

Estimation of shear modulus distribution in soft tissue from strain distribution

C. Sumi, A. Suzuki, K. Nakayama, 1995, IEEE Transactions on Biomedical Engineering.

Fine elasticity imaging utilizing the iterative RF-echo phase matching method

C. Sumi, C. Sumi, 1999, IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control.

A limitation in the use of spatially stationary strain variance estimation in the regularization of shear modulus reconstruction

C. Sumi, Toshiki Itoh, 2010 .

Spatially variant regularization of lateral displacement measurement using variance.

C. Sumi, Toshiki Itoh, 2009, Ultrasonics.

Ultrasonic axial strain measurement for lateral tissue deformation.

C. Sumi, 2007, Ultrasound in medicine & biology.

Spatially variant regularization for tissue strain measurement and shear modulus reconstruction

Chikayoshi Sumi, C. Sumi, 2007, Journal of Medical Ultrasonics.

Shear modulus reconstruction by ultrasonically measured strain ratio

H. Matsuzawa, C. Sumi, Chikayoshi SUMI, 2007, Journal of Medical Ultrasonics.

Simulation study on reconstruction of electric conductivity distribution from magnetic vector field measurements

C. Sumi, K. Nagumo, 2004 .

Robust reconstruction of a globally relative physical parameter distribution using measurements of another physical variable: resolution of the conductivity determination problem

C. Sumi, N. Tohya, 2000 .

Elasticity tomography: reconstruction using stable implicit-integration method

C. Sumi, K. Nakayama, 1996, 1996 IEEE Ultrasonics Symposium. Proceedings.

Phantom Experiment on Estimation of Shear Modulus Distribution in Soft Tissue from Ultrasonic Measurement of Displacement Vector Field

Kiyoshi Nakayama, Chikayoshi Sumi, C. Sumi, 1995 .

Ultrasound echo and Photoacoustic Strain Tensor Imaging for In Vivo Observations of Soft Tissue Motion and Blood Flow

C. Sumi, 2019, 2019 IEEE International Ultrasonics Symposium (IUS).

Consideration of generated beam angles increases the accuracy of ultrasonic displacement measurements

C. Sumi, Yuuki Takanashi, Kento Ichimaru, 2012 .

Ultrasonic lateral modulation imaging, speckle reduction, and displacement vector measurements using simple single-beam scanning or plural crossed-beam scanning with new spectra frequency division processing methods

C. Sumi, Yousuke Ishii, 2012 .

Ultrasonic Measurement and Imaging with Lateral Modulation – Echo, Tissue Motion and Elasticity

C. Sumi, 2011 .

Relative shear modulus reconstruction for visualization with no geometrical artifact

C. Sumi, 2010 .

Utilization of an ultrasound beam steering angle for measurements of tissue displacement vector and lateral displacement

C. Sumi, 2010 .

Phantom experiments of axial strain measurements using multidimensional autocorrelation method, multidimensional Doppler method and direct strain measurement method

C. Sumi, Tomonori Ebisawa, 2009 .

Shear modulus reconstruction by strain tensor measurement using lateral modulation

C. Sumi, 2009 .

A case of apodization function using singular-value decomposition : Determination of beamforming parameters by optimization

C. Sumi, 2008 .

Ring artifact in imaging of one-dimensional shear modulus reconstruction and axial strain measurement

C. Sumi, 2007 .

Effective shear modulus reconstruction obtained with approximate mean normal stress remaining unknown

C. Sumi, 2007, IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control.

Our recent strain-measurement-based shear modulus reconstruction

C. Sumi, 2005, IEEE Ultrasonics Symposium, 2005..

Real-time Reconstruction of Shear Modulus Distribution by Calculating Strain Ratio

C. Sumi, 2005, 2005 IEEE Engineering in Medicine and Biology 27th Annual Conference.

Usefulness of ultrasonic strain measurement-based mechanical properties imaging technique—toward realization of combined rapid diagnosis/treatments

C. Sumi, G. Wakabayashi, M. Tanabe, 2004 .

Monitoring of the effectiveness of the interstitial RF electromagnetic wave thermal therapy by shear modulus reconstruction

H. Kanai, C. Sumi, Y. Ichiki, 2000, 2000 IEEE Ultrasonics Symposium. Proceedings. An International Symposium (Cat. No.00CH37121).

An effective ultrasonic strain measurement-based shear modulus reconstruction technique for superficial tissues--demonstration on in vitro pork ribs and in vivo human breast tissues.

C. Sumi, K. Nakayama, M. Kubota, 2000, Physics in medicine and biology.

Method demonstration on shear modulus reconstruction on superficial tissues

C. Sumi, M. Kubota, 1999, 1999 IEEE Ultrasonics Symposium. Proceedings. International Symposium (Cat. No.99CH37027).

Reconstruction of bio-conductivity distribution from tangential magnetic field measurements

C. Sumi, K. Nagumo, 2001, 2001 Conference Proceedings of the 23rd Annual International Conference of the IEEE Engineering in Medicine and Biology Society.

New phase-matching method for ultrasonic tissue displacement and strain measurements: Application of maximum likelihood and maximum a posteriori estimations to multidimensional autocorrelation method

C. Sumi, 2018, Japanese Journal of Applied Physics.

An effective ultrasonic strain measurement-based shear modulus reconstruction technique for superficial tissues--demonstration on in vitro pork ribs and in vivo human breast tissues.

C. Sumi, K. Nakayama, M. Kubota, 2000, Physics in medicine and biology.

Determination of thermal conductivity distribution from internal temperature distribution measurements

Chikayoshi Sumi, Jun Kuwabara, C. Sumi, 2006 .

Determination of the spatial distribution of a physical parameter from the distribution of another physical variable— a differential inverse problem

Kiyoshi Nakayama, Chikayoshi Sumi, C. Sumi, 1996 .

Real-time adaptive cancelling of ambient noise in lung sound measurement

C. Sumi, A. Suzuki, K. Nakayama, 1995, Medical and Biological Engineering and Computing.

Beamforming for realizing designed point spread function

Chikayoshi Sumi, C. Sumi, 2007 .

Usefulness of ultrasonic strain measurement-based mechanical properties imaging technique: toward realization of short time diagnosis/treatment

Minoru Tanabe, Chikayoshi Sumi, Mitsuhiro Kubota, 2003, SPIE BiOS.

Realization of combined diagnosis/treatment system by ultrasound strain measurement-based shear modulus reconstruction/imaging technique examples with application on the new type interstitial rf electromagnetic wave thermal therapy

Chikayoshi Sumi, R. Kojima, C. Sumi, 2001, 2001 Conference Proceedings of the 23rd Annual International Conference of the IEEE Engineering in Medicine and Biology Society.