Video Authentication using PLEXUS Method

Digital Video is very important in day to day life. There is a problem of illegal updating or manipulation of digital video. There are many techniques to prevent this issue like copyright, Digital Signature and Watermarking. Watermarking is a process of embedding a watermark into a video using the method of discrete cosine transform (DCT) and discrete wavelet transform (DWT).In this paper DCT method is used. In watermarking secret data can be embedding into a video during embedding process. But still there are issues of tampering the video. Tampering like adding frame, dropping frame, replacing frame etc. There are many algorithms of protection. Protection means changing the original data by converting the original data into some unknown form. Cryptography is one of the best techniques to protect image or video. In cryptography there is a term called encryption and decryption. Encryption means change the originality of image or video and decryption means to revert back the originali...

completely equipped to assimilate the detailed and complicated technical aspects of video forensics. Keywords Video forgery detection · Video tamper detection · Passive-blind video forensics · Video anti-forensics · Video content authentication · Video phylogeny detection · Video recapture detection · Video up-conversion detection

Digital video is very important in day to day life. It is important in multimedia data for creating, processing, transmitting and storing digital information in many forms like image, audio, and video. The invention of video editing technology, video are used in a wide spread. Digital video is useful in education, medical treatment, and various another field. Unauthorized alteration or modification is done by an attacker to maliciously forge a video sequence for video forensic e.g. Frames are repeated, cropping the frame, copying the frame, deleting the frame. In this paper present review of several video forgery detection methods, those are used to find whether the video is real or fake and video authentication technique.

Now a days video data embedding approach is a very challenging and interesting task towards keeping real time video data secure. We can implement and use this technique with high-level applications. As the rate-distortion of any image is not confirmed, because the gain provided by accurate image frame segmentation are balanced by the inefficiency of coding objects of arbitrary shape, with a lot factors like losses that depend on both the coding scheme and the object structure. By using rate controller in association with the encoder one can dynamically adjust the target bitrate. This paper discusses about to keep secure videos by mixing signature data with negligible distortion in the original video, and to keep steganographic video as closely as possible to the quality of the original video. In this discussion we propose the method for embedding the signature data into separate video frames by the use of block Discrete Cosine Transform. These frames are then encoded by real time encoding H.264 scheme concepts. After processing, at receiver end recovery of original video and the signature data is proposed.

2009

Currently the demand of security is getting higher due to easy reproduction of digitally created multimedia data. Digital watermarking aims to embed secret information into content for copyright protection and authentication. This paper proposes a combined digital watermarking and digital signature based on video content to authenticate and to verify the integrity of the compressed H.264/AVC video. Features are extracted as the authentication data from transform domain to generate a unique digital signature using an MD5hash function. The authentication information treated as fragile watermark is embedded in a set of motion vectors belonging to higher motion activities with the best partition mode in a tree-structured motion compensation approach. Watermark detection is blind and does not require an original video. Experimental results show that the proposed watermarking technique can not only achieve the goal of fragility but also verify the authenticity and the integrity of the video.

2009

The rapid growth of digital video distribution has highlighted new important issues in digital rights management, as well as in other important applications such as video authentication. Digital watermarking offers a promising solution against piracy and it is therefore a very active area of research. However, robustness to video manipulations, either malicious or not, is a demanding task because there are many different types of possible attacks that can be envisioned. Among these, geometric and temporal distortions play the major roles. The countermeasures against these specific attacks are still an open challenge. In this paper we propose the use of a video authentication template based on bubble random sampling. The authentication template is introduced in order to ensure temporal synchronization and to prevent content tampering. The simulation results are encouraging and this approach is therefore worth further development efforts.

ACM Transactions on Information and System Security, 2011

We present a novel video stream authentication scheme which combines signature amortization by means of hash chains and an advanced watermarking technique. We propose a new hash chain construction, the Duplex Hash Chain, which allows us to achieve bit-by-bit authentication that is robust to low bit error rates. This construction is well suited for wireless broadcast communications characterized by low packet losses such as in satellite networks. Moreover, neither hardware upgrades nor specific end-user equipment are needed to enjoy the authentication services. The computation overhead experienced on the receiver only sums to two hashes per block of pictures and one digital signature verification for the whole received stream. This overhead introduces a provably negligible decrease in video quality. A thorough analysis of the proposed solution is provided in conjunction with extensive simulations.

2015

A video data embedding scheme in which the embedded signature data is reconstructed without knowing the original host video. Signature data is embedded in individual video frames using the block BinDCT. At the receiver, both the host and signature images are recovered from the embedded bit stream. Lossless authentication achieves the same goal with the advantage that the distortion can be erased if media authenticity is positively verified. Here, we propose a data hiding and extraction procedure for high resolution AVI (Audio Video Interleave) videos. Although AVI videos are large in size but it can be transmitted from source to target over network after processing the source video by using these Data Hiding and Extraction procedure securely. There are two different procedures, which are used here at the sender’s end and receiver’s end respectively. The procedures are used here as the key of Data Hiding and Extraction. KeywordsAuthentication,BinDCT,Data Hiding.

International Journal of Engineering Research and Technology (IJERT), 2013

https://www.ijert.org/a-hybrid-watermarking-model-for-video-authentication https://www.ijert.org/research/a-hybrid-watermarking-model-for-video-authentication-IJERTV2IS111077.pdf Digital multi-media data can easily be replicated and distributed. The rapid proliferation of digital video raised concerns from content owners in terms of providing protection to their digital video. Video watermarking helps the owners to assert their ownership amidst several intentional and unintentional attacks on the video. In this paper, we propose a hybrid watermarking model for video authentication based on two powerful transform techniques, namely Discrete Wavelet Transform (DWT) and Singular Value Decomposition (SVD). This proposed model is simple to implement and will be robust against the attacks of frame dropping, averaging, filtering, swapping, tampering and geometrical attacks like rotation.

International Journal of Computer Applications Technology and Research, 2016

Digital Watermark is class of marker or symbol secretly embedded in a multimedia signal such as Audio, Image or Video. It is used to identify the ownership of the multimedia signal. Video watermarking is an emerging area for various applications like copy control broadcast monitoring, video authentication, copyright protection and enhanced video coding. The main objective of this paper is to present survey and comparisons of various available techniques on video watermarking based on copyright protection and identification. Comparative study of various technologies gives the significant information about the PSNR, payload, quality factor and also the various attacks used in video watermarking techniques. The best techniques in various scenarios are discussed in this paper which will help the research scholars in field of video watermarking.