activity
20192022
most citedFast Data-Driven Learning of MRI Sampling Pattern for Large Scale Problems

5 citations · 8 across the 5 of their papers we have counts for

collaborators

5 papers

physics.med-ph2022★ 1 cited

Optimizing Variable Flip-Angles in Magnetization-Prepared Gradient Echo Sequences for Efficient 3D-T1rho Mapping

Marcelo V W Zibetti, Hector L. De Moura, Mahesh B. Keerthivasan +1

Purpose: To optimize the choice of the flip-angles of magnetization-prepared gradient echo (MP-GRE) sequences for improved accuracy, precision, and speed of 3D-T1rho mapping. Metho…

eess.IV2021

Alternating Learning Approach for Variational Networks and Undersampling Pattern in Parallel MRI Applications

Marcelo V. W. Zibetti, Florian Knoll, Ravinder R. Regatte

Purpose: To propose an alternating learning approach to learn the sampling pattern (SP) and the parameters of variational networks (VN) in accelerated parallel magnetic resonance i…

eess.SP2020★ 5 cited

Fast Data-Driven Learning of MRI Sampling Pattern for Large Scale Problems

Marcelo V. W. Zibetti, Gabor T. Herman, Ravinder R. Regatte

Purpose: A fast data-driven optimization approach, named bias-accelerated subset selection (BASS), is proposed for learning efficacious sampling patterns (SPs) with the purpose of…

eess.IV2020

The International Workshop on Osteoarthritis Imaging Knee MRI Segmentation Challenge: A Multi-Institute Evaluation and Analysis Framework on a Standardized Dataset

Arjun D. Desai, Francesco Caliva, Claudia Iriondo +26

Purpose: To organize a knee MRI segmentation challenge for characterizing the semantic and clinical efficacy of automatic segmentation methods relevant for monitoring osteoarthriti…

cs.GR2019★ 2 cited

The Discrete Fourier Transform for Golden Angle Linogram Sampling

Elias S. Helou, Marcelo V. W. Zibetti, Leon Axel +3

Estimation of the Discrete-Time Fourier Transform (DTFT) at points of a finite domain arises in many imaging applications. A new approach to this task, the Golden Angle Linogram Fo…