Search Results for author: Ivan M. Rosado-Mendez

Found 8 papers, 0 papers with code

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

no code implementations13 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).

Deep Estimation of Speckle Statistics Parametric Images

no code implementations8 Jun 2022 Ali K. Z. Tehrani, Ivan M. Rosado-Mendez, Hassan Rivaz

Quantitative Ultrasound (QUS) provides important information about the tissue properties.

Multi-Task Learning

Robust Scatterer Number Density Segmentation of Ultrasound Images

no code implementations16 Jan 2022 Ali K. Z. Tehrani, Ivan M. Rosado-Mendez, Hassan Rivaz

In conventional methods, the envelope data is divided into small overlapping windows (a strategy here we refer to as patching), and statistical parameters such as SNR and skewness are employed to classify each patch of envelope data.

Domain Adaptation Multi-Task Learning

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

no code implementations21 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.

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