Figure 4 | Scientific Reports

Figure 4

From: Optical communication beyond orbital angular momentum

Figure 4

Example of sent and received images.

A quantification of the similarity between sent and received images is done using 2D image correlation. The value of the correlation coefficient ranges from 0 for nonidentical images to 1 for identical images. The correlation coefficient for the above image is c = 0.96. Rubik’s Cube® used by permission of Rubik’s Brand Ltd www.rubiks.com.

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