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Design and implementation of data hiding technique by using MPEG vide

Publication Date : 10/12/2014

Author(s) :

Ramakrishna Hegde , Dr.Jagadeesha S.

Volume/Issue :
Volume 1
Issue 6
(12 - 2014)

Abstract :

This paper proposes a technique on data hiding approaches using compressed MPEG video files. This approach hides the message bits by modulating the quantization scale of constant bit rate MPEG videos. Payload is calculated for each macroblock and proposes to achieve one message bit per macroblock. Macroblock level feature variables are calculated.To find the association between macroblock level feature variables and value of a hidden message bit, a Second Order Multivariate regression model is used. To achieve the very high prediction accuracy, the regression model is used by the decoder. To decode the message, a feature variables of each microblock from the encoded bit stream are computed by the decoder and expands them to the second order and uses the model weights to predict the message bits. This solution provides very high precision accuracy in predicting the message bits . The proposed technique is analyzed in term of quality distortion, excessive bit rate, message pay load and message extraction accuracy. The proposed solution is better in terms of message payload while causing the less distortion and reduced compression overheads compare to the previous works. 

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Design and implementation of data hiding technique by using MPEG vide

December 9, 2014