Anti-compression high-capacity information hiding and extracting method
A technology of information hiding and extraction method, applied in the field of anti-compression large-capacity information hiding and extraction, and data communication, which can solve the problems of inability to resist compression, high bit error rate of encrypted data, and lack of robustness.
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[0040] The basic ideas of the present invention are as follows: an anti-compression large-capacity information hiding and extraction method is proposed, which can realize large-capacity information hiding in data such as image data, and has anti-compression performance at the same time. Its characteristics are: the method hides the secret information in the data for transmission by preprocessing the carrier data and carrying out the carrier encoding of the secret information, without changing the high-order information bits of the carrier. Quality recovery of secret messages and carrier data. The present invention is proposed in order to meet the requirements of large user information hiding capacity, robustness, low hardware implementation complexity, and both image and non-image data, so that the hiding method has a hiding capacity of 1 / 8 or 1bpp, and has anti-compression Performance, breaking through the limitations of traditional large-capacity hiding methods without robus...
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