Fig. 1. Schematic of the setup.

Fig. 2. Reconstruction results of compressive imaging under a noise-free environment. (a) Original image with the spatial resolution of 96×96; (b) the reconstructed image by TVAL3 under a noise-free condition.

Fig. 3. Reconstruction results of the compressive imaging in different noise environments.

Fig. 4. (a) Reconstructed image under 55 dBW Gaussian noise; reconstructed images by the proposed method with m=(b)5, (c) 10, and (d) 15.

Fig. 5. Relationship between PSNRs and m.

Fig. 6. (a) Reconstructed image under 65 dBW Gaussian noise; (b) reconstructed image by the proposed method with m=30 (65 dBW noise).