Regularized Iterative Weighted Filtered Back-Projection for Few-View Data Photoacoustic Imaging

Figure 3

Reconstruction normalized mean absolute errors from 180° with a different detector number. (a) Noiseless observation; noisy observation with (b) SNR = 40 dB; (c) SNR = 30 dB; (d) SNR = 20 dB.

(a)

(b)

(c)

(d)