A Zayed, H Rivaz - IEEE transactions on ultrasonics …, 2020 - ieeexplore.ieee.org
… Our second contribution in this article is determining the suitability of the frame pair I1 and I2 for strainestimation, which we achieve by using the weight vector that we calculated for PCA…
A Pesavento, C Perrey, M Krueger… - IEEE transactions on …, 1999 - ieeexplore.ieee.org
… in ultrasoundelastography. It has … strainestimation, the model of a constant time shift of the signals is not applicable. This results in major decorrelation noise of the time-shift estimation…
A Nowicki, K Dobruch-Sobczak - Journal of ultrasonography, 2016 - sciendo.com
… They called it compression elastography. It constists in compressing an area of tissue at a low-frequency and assessing its strain by means of tracking the changes in ultrasound echoes …
… since motion of the catheter prevents reliable strainestimation. Minimal motion was observed near end-diastole. Reproducible strainestimates were obtained within one pressure cycle …
J Luo, J Bai, P He, K Ying - ieee transactions on ultrasonics …, 2004 - ieeexplore.ieee.org
… for axial straincalculation from estimated axial displacements in ultrasoundelastography. … of various LPDDs on axial straincalculation in elastography, and discuss the results to try to …
… Affine model-based estimation could circumvent the limitation of derivative operations but … was proposed to obtain robust strainestimates in the context of vascular elastography [6]. A …
… is used to generate strain images for quasi-static elastography. … three that is not optimal for strainestimation, the introduction of … improves the quality of strain images. Average values for …
H Rivaz, EM Boctor, MA Choti… - IEEE transactions on …, 2010 - ieeexplore.ieee.org
… Let ˆǫ − i,j (note the super minus) be our a priori strainestimate from the process prior to step j (ie from the Equation 21) and ˆǫi,j be our a posteriori strainestimate at step j given …
Z Hu, H Zhang, J Yuan, M Lu, S Chen, H Liu - PloS one, 2013 - journals.plos.org
… es on the estimation of strain from quasi-static ultrasoundelastography; the estimation of lateral displacement is always very difficult due to the poor resolution of the ultrasound probe in …