Robust video steganography method for reducing H.264 interframe drift distortions

A video steganography and robust technology, applied in the field of information hiding, can solve the problems of video quality degradation, insecurity, insufficient data embedding capacity, etc.
CN108769700AInactive Publication Date: 2018-11-06XIAN UNIV OF TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
XIAN UNIV OF TECH
Publication Date
2018-11-06
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a robust video steganography method for reducing H.264 interframe drift distortions. The method comprises the following steps: step 1, analyzing the interframe drift distortions to obtain the cause of the drift distortions, then classifying the generated drift distortions according to the size, and selecting an embedding position of a DCT brightness coefficient according tothe size of an embedded drift distortion; step 2, carrying out convolutional encoding on an information sequence to be embedded, wherein each input code element corresponds to two output code elements; step 3, embedding an output sequence into the DCT coefficient, after the embedding is completed, performing entropy coding on an H.264 / AVC video stream to form a dense video sequence; and step 4, performing entropy decoding on the H.264 / AVC video stream, extracting an original DCT coefficient, acquiring the output sequence, decoding the output sequence, outputting the information sequence to beembedded, and completing the extraction of the information sequence to be embedded. The robust video steganography method for reducing the H.264 interframe drift distortions provided by the inventionimproves the data embedding capacity, the video quality and the robustness.
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Description

technical field

[0001] The invention belongs to the technical field of information hiding, and in particular relates to a robust video steganography method for reducing drift and distortion between H.264 frames. Background technique

[0002] With the continuous development of today's technology, the transmission of network resources connects us as a whole. Among all transmission resources, video-mediated resources have become an important part of life. Various information security issues occurred during the transmission process, such as Snowden's "Prism Gate" information theft incident, 58.com national resume leakage incident, McDonald's 220W user receipt leakage in India, etc., which caused serious damage to the country, enterprises, and individuals. Economic losses.

[0003] Based on this, more and more people pay attention to their own information security issues. Therefore, video steganography technology was proposed. Video steganography refers to hiding the secret in...

Claims

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