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A batch data steganography method, terminal equipment and storage medium

A batch data and steganography technology, which is applied in the direction of instruments, calculations, character and pattern recognition, etc., to achieve the effect of increasing the time-consuming of steganography and improving the degree of concealment of steganography

Active Publication Date: 2019-12-24
XIAMEN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this method is limited to the steganographic behavior implemented on a single carrier signal and does not involve the allocation of embedding rates among multiple carrier signals

Method used

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  • A batch data steganography method, terminal equipment and storage medium
  • A batch data steganography method, terminal equipment and storage medium
  • A batch data steganography method, terminal equipment and storage medium

Examples

Experimental program
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Effect test

Embodiment 1

[0058] refer to figure 1 As shown, Embodiment 1 of the present invention provides a batch data steganography method, including: using feed-forward control to predict the embedding rate of each carrier signal, and calculating the sub-message to be steganographically written into each carrier signal in the message to be steganographic according to the embedding rate After the length of , write each sub-message into the corresponding carrier signal to generate the steganographic signal, and select the carrier signal and the steganographic signal together to form the signal to be sent, use feedback control to screen each signal to be sent, and use feedback control to adjust the predicted carrier Parameters for signal embedding rate.

[0059] Specifically include the following steps:

[0060] S1: Set the steganographic classifier Ana, whose model is: y=Ana(x), where x is the input signal, and the output signal y is the probability that the input signal is a steganographic signal. ...

Embodiment 2

[0123]The present invention also provides a bulk data steganography terminal device, including a memory, a processor, and a computer program stored in the memory and operable on the processor, and the processor implements the present invention when executing the computer program. Steps in the above method embodiment of the first embodiment of the invention.

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Abstract

The present invention relates to a batch data steganography method, terminal equipment and storage medium. The method includes: using feedforward control to predict the embedding rate of each carrier signal, and calculating each carrier signal steganographically written in the message to be steganographic according to the embedding rate After the length of the sub-message, write each sub-message into the corresponding carrier signal to generate the steganographic signal, and select the carrier signal and the steganographic signal together to form the signal to be sent, use feedback control to screen each signal to be sent, use feedback control Adjust parameters for predicting carrier signal embedding rates. The present invention combines the feedforward control and the feedback control, and is used in the situation where the steganographic person is under the long-term monitoring of the steganalyzer, and distributes the slice length of the concealed information among multiple carriers, so as to enhance the security of the steganographic behavior. Concealment.

Description

technical field [0001] The invention relates to the technical field of data steganography, in particular to a batch data steganography method, a terminal device and a storage medium. Background technique [0002] Steganography is a technique to conceal the fact of communication. The steganographer modifies the carrier signal to embed concealed information and transmits it to the steganographic receiver by sending the carrier signal publicly. After receiving the signal, the steganographic receiver uses the pre-agreed algorithm and configuration (including: secret key) to correctly extract the hidden information embedded by the steganographic receiver. With the rapid popularization of information technology, people have been able to generate various multimedia files through mobile phones and other devices, including: images, audio, video, etc. Thus, multimedia files are widely used as steganographic carriers. Steganography can be implemented on virtually any signal over a b...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06K9/62
CPCG06F18/213G06F18/243G06F18/214
Inventor 黄炜刘鹏飞
Owner XIAMEN UNIV
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