The week's pick
Random Articles
Reseach Article
A Novel Video Encryption and Decryption Scheme based on Discrete Wavelet Transform and Fractional Fourier Transform
| International Journal of Computer Applications |
| Foundation of Computer Science (FCS), NY, USA |
| Volume 111 - Number 3 |
| Year of Publication: 2015 |
| Authors: Vanchhit Goyal, Devesh Mishra, Ankit Agarwal |
10.5120/19519-1147
|
Vanchhit Goyal, Devesh Mishra, Ankit Agarwal . A Novel Video Encryption and Decryption Scheme based on Discrete Wavelet Transform and Fractional Fourier Transform. International Journal of Computer Applications. 111, 3 ( February 2015), 22-27. DOI=10.5120/19519-1147
Abstract
We propose three novel algorithms for video encryption and decryption. The algorithms insert one-level of encryption key into the existing methods. Data compression properties of the DWT (Discrete Wavelet Transform) are utilized to make the algorithm faster. The new algorithms retain the robustness of existing image encryption-decryption algorithms. A video is a collection of frames and a frame is similar to an image i. e. it can be segregated into three primary color channels viz. R, G and B. These channels are compressed by these proposed methods by using two times DWT2 (2-D Discrete Wavelet Transform). The compressed frame-channels are encrypted using 2-D FRT (The 2-D fractional Fourier transform) and random phase masks in two successive iterations. The encrypted channels are merged by two times application of IDWT2 (2-D Inverse Discrete Wavelet Transform), generating a color encrypted frame. Decryption process is the reverse of the encryption process. Simulations are performed and the results of these simulations verify the proposals made in the new algorithms.
References
- Prerana Sharma, Devesh Mishra, AnkurAgarwal, "Efficient Image encryption and decryption using discrete wavelet transform and fractional Fourier transform", Security of Information and Networks, pp 153-157,2012.
- Prerana Sharma, Dr. Shiv Kumar, "Efficient Image encryption and decryption using discrete wavelet transform and fractional Fourier transform", M. Tech. Dissertation, Rajasthan Technical University, April 2013.
- Prerana Sharma, Dr. Shiv Kumar, "A robust and efficient scheme for image encryption-decryption", IJAIEM, Volume 2, Issue 5, May 2013.
- Jolly shah, Dr. Vikas Saxena "Video Encryption : A Survey", International Journal of computer science Issues (IJCSI) Vol. 8,Issue 2, March 2011.
- M. Abomhara, Omar Zakaria, Othman o. Khalifa "An Overview of Video Encryption Techniques ", International Journal of Computer Theory and Engineering,Vol. 2,No. 1 February 2010.
- Narsimha Raju C, Uma Devi Ganugula, Kannan Srinathan, C. V. Jawahar "Fast and Secure Real Time Video Encryption", Indian Conference on Computer Vision, Graphics and Image Processing(ICVGIP),pp 257-264,December 2008.
- Narsimha Raju C, Uma Devi Ganugula, Kannan Srinathan, C. V. Jawahar "A Novel Video Encryption Technique Based on Secret Sharing",ICIP, pp 3136-3139, October 2008.
- H. M. Ozaktas, M. AlperKutay, Z. Zalevsky, The fractional Fourier transform: with applications in optics and signal processing, New York, John Wiley & Sons, 2001.
- T. H. Cormen, C. E. Leiserson, R. L. Rivest, C. Stein, "Growth of Functions", Introduction to algorithms, 3rd Ed. , Cambridge, MIT Press, 2009, pp 43 – 64
- Y. Zhang, F. Zhao, "The algorithm of fractional Fourier transform and application in digital image encryption", International Conference on Information Engineering and Computer Science, 2009, pp 1 - 4.
- R. C. Gonzalez, R. E. Woods, S. L. Eddins, Digital Image processing using MATLAB, Delhi, Pearson Education, 2004.
- A. D. Poularikas, "Transforms And Applications Handbook", 3rd ed. , New York, CRC Press, 1996.
- dwt2, "Wavelet Toolbox",http://www. mathworks. in/help/ toolbox/wavelet/ref/dwt2. html, [January 2012].
- Y. Sheng, D. Roberge, and H. Szu, "Optical wavelet transform", Optical Engineering, Vol. 31 Issue 9, 1992, pp 1840–1845.
- H. Szu, Y. Sheng, and J. Chen, "The wavelet transform as a bank of matched filters", Applied Optics, Vol. 31 Issue 17, 1992, pp 3267–3277.
- M. O. Freeman, "Wavelet signal representations with important advantages", Optics & Photonics News, Vol. 4 Issue 8, August 1995, pp 8–14.
- J. M. Combes, A. Grosmann, and P. Tchamitchian, "Wavelets", 2nd ed. , Berlin,Germany, Springer-Verlag, 1990.
- R. C. Alligood, T. D. Sauer, J. A. Yorke, "Chaos; an introduction to dynamical systems", New York, Sringer, 2001.
Index Terms
Keywords