Gabor Primitives for Accelerated Cardiac Cine MRI Reconstruction
Accelerated cardiac cine MRI requires reconstructing spatiotemporal images from highly undersampled k-space data. Implicit neural representations (INRs) enable scan-specific reconstruction without large training datasets, but encode content implicitly in network weights without physically interpretable parameters. Gaussian primitives provide an explicit and geometrically interpretable alternative, but their spectra are confined near the k-space origin, limiting high-frequency representation. We propose Gabor primitives for MRI reconstruction, modulating each Gaussian envelope with a complex exponential to place its spectral support at an arbitrary k-space location, enabling efficient repr...
| Authors | Wenqi Huang, Veronika Spieker, Nil Stolt-Ansó et al. |
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| Primary category | eess.IV |
| Published | 5 March 2026 |
| Last updated at source | 5 March 2026 |
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