Retrospective motion correction through multi-average k-space data elimination (REMAKE) for free-breathing cardiac cine imaging.

ABSTRACT:

Purpose

To develop a motion-robust reconstruction technique for free-breathing cine imaging with multiple averages.

Method

Retrospective motion correction through multiple average k-space data elimination (REMAKE) was developed using iterative removal of k-space segments (from individual k-space samples) that contribute most to motion corruption while combining any remaining segments across multiple signal averages. A variant of REMAKE, termed REMAKE+, was developed to address any losses in SNR due to k-space information removal. With REMAKE+, multiple reconstructions using different initial conditions were performed, co-registered, and averaged. Both techniques were validated against clinical "standard" signal averaging reconstruction in a static phantom (with simulated mot

SUBMITTER: Neofytou AP 

PROVIDER: S-EPMC10952356 | biostudies-literature | 2023 Jun

REPOSITORIES: biostudies-literature