Physics-Inspired Regularized Pulse-Echo Quantitative Ultrasound: Efficient Optimization with ADMM

no code implementations • 13 Aug 2022 • Noushin Jafarpisheh, Laura Castaneda Martinez, Hayley Whitson, Ivan M. Rosado-Mendez, Hassan Rivaz

Pulse-echo Quantitative ultrasound (PEQUS), which estimates the quantitative properties of tissue microstructure, entails estimating the average attenuation and the backscatter coefficient (BSC).

Estimation of the Scatterer Size Distributions in Quantitative Ultrasound Using Constrained Optimization

no code implementations • 21 Sep 2021 • Noushin Jafarpisheh, Ivan M. Rosado-Mendez, Timothy J. Hall, Hassan Rivaz

In the first technique, we cast scatterer size distribution as an optimization problem, and efficiently solve it using a linear system of equations.

Fast and Robust Localization of Surgical Array using Kalman Filter

no code implementations • 22 Dec 2020 • Md Ashikuzzaman, Noushin Jafarpisheh, Sunil Rottoo, Pierre Brisson, Hassan Rivaz

This paper introduces a fast and computationally efficient implementation of linear KF to improve the measurement accuracy of an optical tracking system with high temporal resolution.

Robotics