Secure Data Fusion in Wireless Multimedia Sensor Networks via Compressed Sensing

Table 1

The performance is measured by PSNR (dB).

Number of samples	Peppers	Lena	Boats
2000	19.03	18.56	18.32
3000	22.34	21.23	21.16
4000	25.12	25.01	24.93
5000	28.20	28.02	28.09
6000	30.16	29.67	29.73