Combined First- and Second-Order Variational Model for Image Compressive Sensing

Figure 4

Reconstructed results of “Brain” image from noisy and undersampled Fourier data (noise level: 40 dB, sampling ratio: 20%). (a) Actual image; (b) TVAL3; (c) RecPF; (d) hybrid TVL1; (e) second-order TV; (f) our method.

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