Abstract
Being aimed at the problem that general steganography algorithms always destroy the original videos after ex- tracting the information, the paper adopts analysis and experiment to propose a BCH robustness method of single coeffi- cient which can restore error bits. Before embedding the data, the method encodes the secret information with BCH and makes use of prediction mode to select special embedding block to control the inter-frame distortion drift. Then it applies single coefficients to decrease the modification of original videos. When extracting the information, we first make error correction and try to recover the original video. The experimental results show that the method not only can efficiently re- cover the secret information, but also restore the original medium as far as possible and protect them.
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