]>SVD-Based Evaluation of Multiplexing in Multipinhole SPECT Systems : Figure 1
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Figure 1: Block diagram of projection-backprojection operation. Noise is introduced at the projection operation, 𝐁 . Image components which are “attenuated” in 𝐁 and 𝐁 𝑇 must be “amplified” in 𝐀 † , increasing the noise in 𝐱 .