Accuracy of Common Motion Estimators in Wave-Based Optical Coherence Elastography

Justin R. Rippy; Manmohan Singh; Salavat Aglyamov; Kirill V. Larin

doi:10.18287/JBPE21.07.040303

Authors

Justin R. Rippy Department of Biomedical Engineering, University of Houston, Houston, TX, USA http://orcid.org/0000-0001-5251-9400 (unauthenticated)
Manmohan Singh Department of Biomedical Engineering, University of Houston, Houston, TX, USA
Salavat Aglyamov Department of Mechanical Engineering, University of Houston, Houston, TX, USA
Kirill V. Larin Department of Biomedical Engineering, University of Houston, Houston, TX, USA

DOI:

https://doi.org/10.18287/JBPE21.07.040303

Keywords:

motion estimator, shear wave elastography, signal to noise ratio, Loupas, Kasai, vector method

Abstract

Motion estimators are commonly used in shear wave optical coherence elastography to compute small displacements. This work focuses on comparing three motion estimators: Kasai, Loupas, and the vector method. Our results show that the vector method is superior in low-SNR, low-amplitude situations for group velocity calculation and profile reconstruction.

Author Biographies

Justin R. Rippy, Department of Biomedical Engineering, University of Houston, Houston, TX, USA

Department of Biomedical Engineering, PhD Candidate
Manmohan Singh, Department of Biomedical Engineering, University of Houston, Houston, TX, USA

Department of Biomedical Engineering, Postdoctoral Fellow
Salavat Aglyamov, Department of Mechanical Engineering, University of Houston, Houston, TX, USA

Department of Mechanical Engineering, Research Assistant Professor
Kirill V. Larin, Department of Biomedical Engineering, University of Houston, Houston, TX, USA

Department of Biomedical Engineering, Professor
Department of Molecular Physiology and Biophysics, Adjunct Associate Professor

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