Prathwik Pauly
Aspiring engineering scientist in Image Reconstruction techniques. Electronics and Biomedical Graduate
- Role
- Mini Projects at Duk at Medtronic
- Location
- Kochi, KL, IN
- LinkedIn followers
- 500 followers
Experience
Mini Projects at Duk
Jul 2024 — Present
Quantitative Comparison of GRAPPA Reconstruction MethodsRole: ResearcherTechnologies Used: GRAPPA, In Vivo MRI Datasets, MATLAB, SNR, RMSE, g-factor AnalysisConducted a quantitative performance comparison of multiple GRAPPA reconstruction methods on in vivo MRI datasets, evaluating SNR, channel count, and acceleration. Optimized kernel size to achieve minimal RMSE, and performed detailed analysis of noise amplification and g-factor maps. Methods implemented include:Standard GRAPPA (LS-GRAPPA)Iterative GRAPPA (iGRAPPA)High-pass GRAPPA (hp-GRAPPA)Tailored GRAPPADiscrepancy-based adaptive regularizationGRAPPA using penalized regularization (PR-GRAPPA)Non-Cartesian MRI Reconstruction Optimization using ADMMRole: Research LeadTechnologies Used: ADMM, Non-Cartesian Trajectories, MATLAB, Conjugate GradientOptimized performance of Non-Cartesian MRI reconstruction utilizing ADMM. Demonstrated that the ADMM penalizing factor critically influences convergence behavior and functions as an effective regularizer for the Gram matrix, with strong dependencies on object type and k-space trajectory.
Education
Model Engineering College
Bachelor of Technology - BTech
Digital University Kerala
Post graduate Diploma (PgDip)
2024 — 2025
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