A method of tissue elasticity estimation based on three-dimensional displacement vector

NNN Nitta, TST Shiina - Japanese Journal of Applied Physics, 2000 - iopscience.iop.org
… of displacement and strain induced by static deformation, we propose an estimator of 3D
displacement vectors… In addition, we develop a tissue elasticity reconstruction method using the …

Regularization for ultrasonic measurements of tissue displacement vector and strain tensor

C Sumi, K Sato - IEEE transactions on ultrasonics …, 2008 - ieeexplore.ieee.org
… results of displacement vector measurement by the multidimensional cross-spectrum … in
displacement vector measurement using displacement variances, the results of displacement

Estimation of displacement vectors and strain tensors in elastography using angular insonifications

U Techavipoo, Q Chen, T Varghese… - IEEE transactions on …, 2004 - ieeexplore.ieee.org
… In this paper, we describe a new method for estimating all the components of the tissue
displacement vector following a quasi-static compression. The method uses displacements …

Full 2D displacement vector and strain tensor estimation for superficial tissue using beam-steered ultrasound imaging

HHG Hansen, RGP Lopata, T Idzenga… - Physics in Medicine & …, 2010 - iopscience.iop.org
… -deformation’ state can be mathematically described by a displacement vector field. Local
estimates of the displacement vectors can be obtained by image registration techniques, like …

PSF dedicated to estimation of displacement vectors for tissue elasticity imaging with ultrasound

H Liebgott, JE Wilhjelm, JA Jensen… - ieee transactions on …, 2007 - ieeexplore.ieee.org
displacement vector estimation in ultrasound imaging. The main idea is to adapt the image
formation to a given displacement … of the 2D displacement vector estimation is demonstrated …

Phantom experiment on estimation of shear modulus distribution in soft tissue from ultrasonic measurement of displacement vector field

C SUMI, A SUZUKI, K NAKAYAMA - IEICE transactions on …, 1995 - search.ieice.org
… elasticity distribution of living soft tissue by ultrasonic pulse-echo … 2-D displacement vector
field from two successive rf echo data frames. The algorithm estimates a displacement vector

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

C Sumi - Reports in Medical Imaging, 2010 - Taylor & Francis
… of tissue strain were achieved by my group17 using multidimensional displacement vector
Alternatively, for blood flow23–26 and other tissue strain27 measurements, measurements of …

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

C Sumi - IEEE transactions on ultrasonics, ferroelectrics, and …, 2008 - ieeexplore.ieee.org
… ], for 2-D tissue displacement vector mea… displacement vector, the measurable displacement
vector is different from those of MAM and MDM. That is, the measurable displacement vector

Reconstruction of myocardial tissue motion and strain fields from displacement-encoded MR imaging

Y Liu, H Wen, RC Gorman, JJ Pilla… - American Journal …, 2009 - journals.physiology.org
… It combines the advantages of tagged MRI and phase-contrast MRI and directly provides
3D displacement vector of material grid points in the tissue with pixelwise spatial resolution. …

Noise analysis and improvement of displacement vector estimation from angular displacements

H Chen, T Varghese - Medical physics, 2008 - Wiley Online Library
… the noise artifacts from tissue displacement estimates. The performance of both these
methods will be evaluated experimentally using a uniformly elastic tissue-mimicking phantom. …