Research Article

Few-View Prereconstruction Guided Tube Current Modulation Strategy Based on the Signal-to-Noise Ratio of the Sinogram

Table 3

The SNR and CNR of the reconstructed images in Figure 6.

Reconstructed imagesFigure 6(a)Figure 6(b)Figure 6(c)

SNR
 R16.547.288.59
 R26.346.007.11
 R312.6210.8813.43
 R413.1814.2914.41
CNR
 R5 and R61.011.021.12