International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
www.ijsr.net | Most Trusted Research Journal Since Year 2012

ISSN: 2319-7064



M.Tech / M.E / PhD Thesis | Electronics & Communication Engineering | India | Volume 3 Issue 11, November 2014

A Secured Data Hiding Technique Using Video Sequences

Y. Mahendhar, B. Satish Chandra

Secret communication using the Compressed Video file as cover medium and data hiding in compressed video. Unlike data hiding in images and raw video which operates on the images themselves in the spatial or transformed domain which are vulnerable to steganalysis, we target the motion vectors used to encode and reconstruct both the forward predictive (P) -frame and bidirectional (B) -frames in compressed video. The choice of candidate subset of these motion vectors are based on their associated macro block prediction error, which is different from the approaches based on the motion vector attributes such as the magnitude and phase angle, etc. A greedy adaptive threshold is searched for every frame to achieve robustness while maintaining a low prediction error level. The secret message bit stream is embedded in the least significant bit of both components of the candidate motion vectors. The method is implemented and tested for hiding data in natural sequences of multiple groups of pictures and the results are evaluated. The evaluation is based on two criteria: minimum distortion to the reconstructed video and minimum overhead on the compressed video size. Based on the aforementioned criteria, the proposed method is found to perform well and is compared to a motion vector attribute-based method from the literature.

Keywords: Data hiding, motion vectors, Motion Picture Expert Group MPEG, steganography

Edition: Volume 3 Issue 11, November 2014

Pages: 213 - 216


How to Cite this Article?

Y. Mahendhar, B. Satish Chandra, "A Secured Data Hiding Technique Using Video Sequences", International Journal of Science and Research (IJSR), https://www.ijsr.net/search_index_results_paperid.php?id=OCT14626, Volume 3 Issue 11, November 2014, 213 - 216

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