Bayesian speckle tracking. Part I: an implementable perturbation to the likelihood function for ultrasound displacement estimation

Accurate and precise displacement estimation has been a hallmark of clinical ultrasound. Displacement estimation accuracy has largely been considered to be limited by the Cramer-Rao lower bound (CRLB). However, the CRLB only describes the minimum variance obtainable from unbiased estimators. Unbiase...

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