Visual secret sharing is a cryptographic method that allows a secret to be divided into multiple shares such that a subset of those shares can be combined to reveal the secret visually. This technique uses image processing techniques to encode the secret into several shares in such a way that when a specified number of shares are combined, the original image or secret can be visually reconstructed, while any fewer shares provide no information about the secret. This method is particularly useful for sharing sensitive information securely among multiple parties.
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