A least-squares strain estimator (LSQSE) for elastography is proposed. It is shown that with
such an estimator, the signal-to-noise ratio in an elastogram (SNRe) is significantly …

Elastography involves tracking the ultrasonic A-mode signals before and after mechanical
compression of tissue to form a computed image of the local strains undergone by various …

Ultrasound strain imaging utilizes radio-frequency (RF) ultrasound echo signals to estimate
the relative elasticity of tissue under deformation. Due to the diagnostic value inherent in …

Elastography is based on the estimation of strain due to tissue compression or expansion.
Conventional elastography involves computing strain as the gradient of the displacement …

Displacement estimation is a key step in the evaluation of tissue elasticity by quasistatic
strain imaging. An efficient approach may incorporate a tracking strategy whereby each …

Energy-based ultrasound elastography techniques minimize a regularized cost function
consisting of data and continuity terms to obtain local displacement estimates based on the …

We propose a novel strain estimation technique that can produce reliable strain images of
both solid and fluid-filled lesions. In our method, a kernel-based correlation coefficient …

In this paper, two novel approaches, gradientbased and direct strain estimation techniques,
are proposed for high-quality average strain imaging incorporating a cost function …

Echo-signal decorrelation due to tissue compression is a significant source of error in tissue
displacement estimates obtained using crosscorrelation. Tissue displacement estimates are …

Elasticity imaging techniques with built-in or regularization-based smoothing feature for
ensuring strain continuity are not intelligent enough to prevent distortion or lesion edge …