3 papers
eess.IV2026
Rigid Motion Estimation using Accelerated Iterative Coordinate Descent (REACT) for MR Imaging
Kwang Eun Jang, Dwight G. Nishimura
Purpose: To develop a computationally viable autofocus method for estimating 3D rigid motion in MR imaging. Theory and Methods: The proposed method, REACT, assumes a piecewise-cons…
eess.IV2025
Design of 3D Non-Cartesian Trajectories for Fast Volumetric MRI via Analytic Coordinate Discretization
Kwang Eun Jang, Dwight G. Nishimura
3D non-Cartesian trajectories offer several advantages over rectilinear trajectories for rapid volumetric imaging, including improved sampling efficiency and greater robustness to…
eess.IV2025
Image-Space Gridding for Nonrigid Motion-Corrected MR Image Reconstruction
Kwang Eun Jang, Mario O. Malavé, Dwight G. Nishimura
Motion remains a major challenge in magnetic resonance (MR) imaging, particularly in free-breathing cardiac MR imaging, where data are acquired over multiple heartbeats at varying…