Search Results for author: Alena Uus

Found 6 papers, 3 papers with code

An automated pipeline for quantitative T2* fetal body MRI and segmentation at low field

no code implementations9 Aug 2023 Kelly Payette, Alena Uus, Jordina Aviles Verdera, Carla Avena Zampieri, Megan Hall, Lisa Story, Maria Deprez, Mary A. Rutherford, Joseph V. Hajnal, Sebastien Ourselin, Raphael Tomi-Tricot, Jana Hutter

In this study, we introduce a semi-automatic pipeline using quantitative MRI for the fetal body at low field strength resulting in fast and detailed quantitative T2* relaxometry analysis of all major fetal body organs.

Efficiency analysis for quantitative MRI of T1 and T2 relaxometry methods

1 code implementation6 May 2020 David Leitão, Rui Pedro A. G. Teixeira, Anthony Price, Alena Uus, Joseph V. Hajnal, Shaihan J. Malik

This work presents and validates an efficiency metric to optimize and compare the performance of qMRI methods.

Medical Physics Image and Video Processing

Self-supervised Recurrent Neural Network for 4D Abdominal and In-utero MR Imaging

no code implementations28 Aug 2019 Tong Zhang, Laurence H. Jackson, Alena Uus, James R. Clough, Lisa Story, Mary A. Rutherford, Joseph V. Hajnal, Maria Deprez

The results show that the proposed pipeline can accurately estimate the respiratory state and reconstruct 4D SR volumes with better or similar performance to the 3D SVR pipeline with less than 20\% sparsely selected slices.

Image Reconstruction Motion Estimation +1

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