Estimation of the optimal maximum beam angle and angular increment for normal and shear strain estimation

T Varghese, M Rao - IEEE Transactions on Biomedical …, 2008 - ieeexplore.ieee.org
… axial and lateral strain estimates as a function of the maximum angle and the angular increment.
… of predicting the optimal parameters for the strain-tensor estimation method when the …

Normal and shear strain estimation using beam steering on linear-array transducers

M Rao, Q Chen, H Shi, T Varghese, EL Madsen… - Ultrasound in medicine …, 2007 - Elsevier
… However, more work is required for the selection of an appropriate value for the
maximum beam angle for optimal performance of this technique. (E-mail: [email protected] ) …

Strain-based shape estimation algorithms for a cantilever beam

GC Kirby III, TW Lim, R Weber, A Bosse… - … and Materials 1997 …, 1997 - spiedigitallibrary.org
… approximation of the strain field of a cantilever beam using both … estimation of the tip
displacement when a quadratic strain field is assumed. Effects of strain sensor noise on estimation

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
… the strain tensor are accurately estimated and imaged in ultrasound elastography. Since,
only the axial component of both the displacement and strainbeams at different beam angles

Correlation analysis of the beam angle dependence for elastography

M Rao, T Varghese - The Journal of the Acoustical Society of America, 2006 - pubs.aip.org
… for spatial angular compounding and shear strain estimation … artifacts for data acquired at
different beam angles. In this paper, … the strain estimation performance of angular compounding …

Parameter estimation of structures from static strain measurements. I: Formulation

M Sanayei, MJ Saletnik - Journal of Structural Engineering, 1996 - ascelibrary.org
… The major goal of this paper is to develop a method for the parameter estimation of linear-elastic
structures using static strain measurements, preserving structural connectivity. This …

Strain-based deformation shape-estimation algorithm for control and monitoring applications

A Derkevorkian, SF Masri, J Alvarenga, H Boussalis… - AIAA journal, 2013 - arc.aiaa.org
… The strain-based deflection shape estimation of flying … to estimate the displacements using
strain measurements. An … -squares variational principle to estimate the deformation field of …

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
estimating strain in other directions we propose to steer the ultrasound beam at an angle,
which allows estimating … T 2009 Estimation of the optimal maximum beam angle and angular

Normal and shear strain imaging using 2D deformation tracking on beam steered linear array datasets

H Xu, T Varghese - Medical physics, 2013 - Wiley Online Library
… where m and σ represent the mean and standard deviation of the strain estimates in the …
different maximum beam-steered angles and for different beam-steered angular increments. …

An enhanced inverse beam element for shape estimation of beam-like structures

R You, L Ren - Measurement, 2021 - Elsevier
… (6), the axial strain ε α 0 and shear strain γ α 0 are given as(7a) ε α 0 ( x i ) = e 1 i - R cos α e
… 0 and γ α 0 are the axial strain and shear strain at an angle α along the beam axis (β = 0 ). e …