Description

Abstract

· A new blind authentication method based on the secret sharing technique with a data repair

capability for grayscale image is proposed.

· It consists the following stages during the creation of the stego images,

·      · Generation of authentication signals.

·      · Creation of embedding of shares.

·      ·The stego image authentication consists the following steps,

·      ·Extraction of the embedded two representative gray values.

·      ·Verification of the stego image.

·      ·Self repairing of the original image content.