Versatile and Highly Efficient MRI Simulation of Arbitrary Motion in KomaMRI.

ABSTRACT:

Purpose

To extend the KomaMRI simulator with motion capabilities that enable the simulation of both simple, parametrizable motion patterns and arbitrarily complex spin trajectories. Additionally, we introduce a novel file format for storing and sharing dynamic digital phantoms.

Methods

The existing Phantom structure in KomaMRI has been extended with a new motion field, which preserves support for static phantoms and introduces the capability to define dynamic models, composed of either a single or an arbitrary set of elementary motions. Each motion entry is composed of an action, a time curve, and a spin span, allowing for modular definition and full parameter independence across motion components. An HDF5-based phantom file format has been defined, along with two I/O functi

SUBMITTER: Villacorta-Aylagas P 

PROVIDER: S-EPMC12746406 | biostudies-literature | 2026 Mar

REPOSITORIES: biostudies-literature