PICO estimates image-domain noise covariance in linear and nonlinear MRI reconstructions up to 7x faster than PMR by using complex random-phase probes.
Noise distribution in sense- and grappa-reconstructed images: a computer simulation study.Magnetic Resonance Imaging, 25:1089–1094, 9 2007
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Fast Voxelwise SNR Estimation for Iterative MRI Reconstructions
PICO estimates image-domain noise covariance in linear and nonlinear MRI reconstructions up to 7x faster than PMR by using complex random-phase probes.