Research Article
Combined First- and Second-Order Variational Model for Image Compressive Sensing
Figure 2
Reconstructed results of “Lena” image from noisy and undersampled Fourier data (noise level: 30 dB, sampling ratio: 25%). (a) Actual image; (b) TVAL3; (c) RecPF; (d) hybrid TVL1; (e) second-order TV; (f) our method.