Heliograph Imaging Based on Total Variation Constraint and Nonlocal Operator

Figure 4

(a) Synthetic solar image. (b) Reconstructed image using CSC algorithm (RelErr = 83.1%, SNR = 23.5). (c) Reconstructed image using CS algorithm (RelErr = 34.3%, SNR = 32.9). (d) Reconstructed image using our method (RelErr = 21.3% SNR = 50.3).

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(b)

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