The proposed CM-RED method consistently outperforms existing DM- and CM-based approaches in both quantitative metrics and visual fidelity, and exhibits strong robustness to hyperparameter variations, highlighting CM-RED as an efficient and effective generative framework for accelerated MRI reconstruction.
Merve Gülle, Junno Yun, Y. Alçalar et al.· 0 citations
UDT is proposed, a U-Net diffusion transformer that combines the representation power of DiTs with the encoding-decoding benefits of U-Nets, through data-adaptive token merging for downsampling and upsampling, while preserving the DiT token dimension.
Junno Yun, Y. Alçalar, Mehmet Akçakaya· 0 citations
This work proposes UMPIRE-Net (Unrolled Magnitude-Phase In REgularization Network), a PD-DL method that introduces separate learned regularizers for magnitude and phase components, together with a novel data-fidelity formulation that enforces measurements consistency.
Mahdi Saberi, Toygan Kilic, Mehmet Akçakaya· 2 citations
This work investigates the use of auxiliary k-space magnitude information for accelerated steady-state dynamic MRI reconstruction, and demonstrates strong consistency of k-space magnitudes across time-frames.
Mahdi Saberi, Y. Alçalar, Merve Gülle et al.· 1 citation
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