International Journal of Optics / 2020 / Article / Fig 5

Research Article

Computational Ghost Imaging with Multiplexed Time-Varying Signals

Figure 5

Experimental results of optical watermarking. (a) Original image obtained by CGI using the Hadamard matrix. ((b) and (d)) A set of watermark patterns. ((c) and (e)) Their corresponding imaging results.
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(b)
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