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Comparison of SUPSF and SVPSF. The plots show the evaluation metrics CNR, SSIM, RMSE, and PSNR for JE+SUPSF and JE+SVPSF. SVPSF shows improvement in each metric relative to SUPSF. Also, compared to SUPSF, SVPSF demonstrated slower variation of the metrics with varying regularization parameter indicating improved robustness.
