Author

Sergo Gegechkori

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Open access Oct 2026

Paired 3 T and 7 T MP2RAGE Brain Volumetry: Preserved Rank Order, Region-Dependent Offsets, and Exploratory Cross-Field Calibration

Structural MRI volumes from different field strengths may correlate across individuals yet differ systematically, complicating pooling and calibration. We assessed paired 3 T and 7 T MP2RAGE volumetry in 22 healthy right-handed male volunteers (of 32 initially processed; 10 excluded after FreeSurfer surface-reconstruct...

Z. Abbas, Sergo Gegechkori, Faizan Ullah et al. · The Scientist · 0 citations

Open access 2026

NeuroFocusNet: An Attention-Enhanced 3-D U-Net for Multimodal MRI Brain Tumor Segmentation

A 3D U-Net-based segmentation framework, NeuroFocusNet, which synchronizes spatial attention, channel recalibration, and attention-gated skip connections within a single volumetric encoder-decoder model is proposed, which is encouraging when considering the feasibility of using NeuroFocusNet as a technically promising...

Faizan Ullah, Z. Abbas, Sergo Gegechkori et al. · IEEE Access · 0 citations