Improvement of elastographic displacement estimation using a two-step cross-correlation method

H Chen, H Shi, T Varghese - Ultrasound in medicine & biology, 2007 - Elsevier
cross-correlation method proposed in this paper attempts to overcome some of the limitations
discussed above by estimating local displacements … in the cross-correlation processing, is …

Crosscorrelation and differential technique combination to determine displacement fields

AMR Sousa, J Xavier, M Vaz, JJL Morais, VMJ Filipe - Strain, 2011 - Wiley Online Library
… the calculated displacement fields near displacement discontinuities such as cracks or shear
bands. In this work a method combining cross-correlation and a differential technique was …

A fast normalized cross-correlation calculation method for motion estimation

J Luo, EE Konofagou - IEEE transactions on ultrasonics …, 2010 - ieeexplore.ieee.org
… 2 shows the axial displacement estimation using the sum-table method (W = 128 samples,
ΔW = 32 samples, and R = 9 samples). using these parameters, the computational time was …

Measuring displacement fields by cross-correlation and a differential technique: experimental validation

J Xavier, AMR Sousa, JJL Morais… - Optical …, 2012 - spiedigitallibrary.org
… In this work, a digital image correlation method combining cross-correlation and spatiotemporal
differential techniques was validated through a set of experimental tests. These tests …

Sub-sample displacement estimation from digitized ultrasound RF signals using multi-dimensional polynomial fitting of the cross-correlation function

RZ Azar, O Goksel… - IEEE transactions on …, 2010 - ieeexplore.ieee.org
cross-correlation was used to find the displacement within the sampling accuracy. sub-sample
estimates were then found using the estimators … area for the cross-correlation function was …

3D normalized cross-correlation for estimation of the displacement field in ultrasound elastography

M Mirzaei, A Asif, M Fortin, H Rivaz - Ultrasonics, 2020 - Elsevier
… a novel technique to estimate tissue displacement in quasi-static … is estimation of displacement
(also referred to time-delay … methods as spatial temporal normalized cross correlation (…

Motion estimation in ultrasound images using time domain cross correlation with prior estimates

R Zahiri-Azar, SE Salcudean - IEEE Transactions on …, 2006 - ieeexplore.ieee.org
estimation (TDE). We call this method time-domain cross-correlation with prior estimates (TDPE),
because it uses prior displacement estimates of neighboring windows to speed up …

Improvement of myocardial displacement estimation using subkernels for cross correlation between ultrasonic RF echoes

D Asari, H Hasegawa, H Kanai - Japanese Journal of Applied …, 2014 - iopscience.iop.org
… In the present study, we proposed a two-step tracking method to estimate the displacement
of a deforming object, such as the heart wall. We conducted an experiment using a silicone …

Comparison of time-domain displacement estimators for two-dimensional RF tracking

S Langeland, J D'hooge, H Torp, B Bijnens… - Ultrasound in medicine …, 2003 - Elsevier
… Therefore, it is somewhat surprising that normalized cross-correlation did not prove to be
the best estimator in our study. However, the maximum likelihood of normalized …

The effect of a discrete window offset on the accuracy of cross-correlation analysis of digital PIV recordings

J Westerweel, D Dabiri, M Gharib - Experiments in fluids, 1997 - Springer
… to the integer-pixel displacement. The method works for both cross-correlation analysis of
single-… for the statistical properties of estimators for the displacement, and it is observed in the …