Explain the signal-to-noise ratio (SNR) as applied in medical imaging. A medical image has two different adjacent structures A and B. Show that the contrast-to-noise ratio of A relative to B (CNRAB) is given by CNRAB=SNRA-SNRB , if the image noise is σ.

Explain the signal-to-noise ratio (SNR) as applied in medical imaging. A medical image has two different adjacent structures A and B. Show that the contrast-to-noise ratio of A relative to B (CNRAB) is given by CNRAB=SNRA-SNRB , if the image noise is σ.

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Question

Explain the signal-to-noise ratio (SNR) as applied in medical imaging.
A medical image has two different adjacent structures A and B. Show that the contrast-to-noise ratio of A relative to B (CNRAB) is given by CNR_AB=SNR_A-SNR_B , if the image noise is σ.

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