Image hiding in time-averaged deformable moiré gratings

A new image hiding technique based on time-averaged moire fringes is proposed in this paper. The secret image is embedded into a single cover image which is constructed as a deformable stochastic moire grating. The secret image is leaked in the form of a time-averaged fringe when the cover image is deformed according to a predetermined periodic law of motion. The proposed image hiding approach opens new possibilities for the optical control of vibrating deformable structures.

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