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Paper Title
Secured Data Transmission in Compressed Encrypted Video Stream
  Sadaf .A. Mulani

In today’s life Cloud computing becomes an important technology trend. Data hiding techniques can be used to embed a secret message and secret image into a video bit stream for copyright protection, access control and transaction tracking. They are some data hiding techniques to assess the quality of video in the absence of the original reference. Data hiding is one of the important techniques in the emerging world for reducing the increased attacks. It is also known as data encapsulation or information hiding and is mainly used for hiding internal object details. In order to maintain security and privacy, digital video sometimes needs to be stored and processed in an encrypted format. The performance of data hiding in these encrypted videos is very necessary for the purpose of content notation or tampering detection. Without decryption, data hiding in these encrypted videos will protect the confidentiality of the content. The capacity for performing the data hiding directly in these encrypted H.264/AVC video stream can eliminate the leakage of video content and can help the privacy concerns with cloud computing. In this paper, it proposes a new method to embed secret data directly in the encrypted H.264/AVC bit stream. It can have the following three parts: H.264/AVC video encryption, data embedding, and data extraction. The, data hider may embed additional data in the encrypted domain by using codeword substitution technique, without knowing the original video content. In order to adapt to dif-ferent application scenarios, data extraction can be done either in the encrypted domain or in the decrypted domain. Here, the data extraction can be done either in the encrypted or in the decrypted domain in order to adapt to different application scenarios. Also, video file size is strictly preserved even after encryption and data embedding. Furthermore, to avoid the occupancy of more memory, enhance capacity of storage devices, to reduce the time for the transmission of videos and to reduce computation arithmetic compression technique is done to achieve high compression ratio. Thus, utilizing minimum bandwidth during transmission. Experimental results have demonstrated the feasibility and effi-ciency of the proposed scheme.

Keywords- Data hiding, encrypted domain, H.264/AVC ,codeword substituting.
Publication Details
Unique Identification Number - IJEDR1503084
Page Number(s) - 1-11
Pubished in - Volume 3 | Issue 3 | 28 August 2015
DOI (Digital Object Identifier) -   
Publisher - IJEDR (ISSN - 2321-9939)
Cite this Article
  Sadaf .A. Mulani,   "Secured Data Transmission in Compressed Encrypted Video Stream", International Journal of Engineering Development and Research (IJEDR), ISSN:2321-9939, Volume.3, Issue 3, pp.1-11, 28 August 2015, Available at :http://www.ijedr.org/papers/IJEDR1503084.pdf
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