Fig. 5: Experimental validation of sPSF-MOE for gray-scale objects with CR of 6. | Communications Physics

Fig. 5: Experimental validation of sPSF-MOE for gray-scale objects with CR of 6.

From: Sparse point spread function-based multi-image optical encryption

Fig. 5

a 6 frames of a rotating fan with varying intensity. b Convolution results for the 6 frames using the sPSFs. c Reconstructed image after decryption. d Intensity profiles along the purple and yellow lines in (a) and (c), showing the alignment and confirming the accuracy of the reconstruction.

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