Adaptive Autoregressive Model for Reduction of Noise in SPECT

<div>Transaxial slice of skeletal SPECT. (a) Autoregressive filtering before and after ordered subset expectation maximisation reconstruction. (b) Filtered back projection reconstruction method preceded by Butterworth filtering. (c) Ordered subset expectation maximisation reconstruction followed by Butterworth filtering.</div>

Computational and Mathematical Methods in Medicine

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Figure 6

Figure 6: Adaptive Autoregressive Model for Reduction of Noise in SPECT 