Figure 6 ,Table 1个

    • Figure 1.  Schematic diagram of the SSGI-OE scheme.

    • Figure 2.  The experimental setup for the proposed SSGI-OE scheme system. LED: light emitting diode. DMD: digital mirror device. L: lens. PD: photodetector. DAQ: data acquisition card.

    • Figure 3.  Comparison of the numerical simulations and experimental results by SSGI-OE and CGI-OE with Hadamard speckle patterns and random speckle patterns.

    • Figure 4.  Comparison of simulated and experimental results under different eavesdropping ratios.

    • Figure 5.  The MSE and PSNR of the recovered images against the eavesdropping ratio: (a) the simulated results, (b) the experimental results.

    • Figure 6.  Simulated and experimental results by the proposed SSGI-OE scheme under different eavesdropping ratios at the extreme circumstance.