Abstract
The efficiency of an iris authentication system depends on the quality of the iris image. Denoising of the iris image is indispensable to get a noise free image. In this paper, a novel method is proposed to remove Gaussian noise present in the iris image using Undecimated wavelet, a threshold based on Golden Ratio and weighted median. First, decompose the input image using Stationary Wavelet Transform (SWT) and apply the modified Visushrink to the wavelet coefficients using hard and soft thresholding. Then apply inverse SWT to get the noise free image. Different kinds of wavelet filters such as db1, db2, sym2, sym4, coif2 and coif4 for different noise levels are performed. The filter db1 is outperformed. In this research, experiments have been conducted on the iris database CASIA. The Peak Signal-to-Noise Ratio (PSNR), Signal-to-Noise Ratio (SNR), Root Mean Square Error (RMSE) and Mean Square Error (MSE) have been computed and compared.
References
Sutcu, Y., Tabassi, E., Sencar, H.T., Memon, N.: What is biometric information and how to measure it?. In: IEEE International Conference on Technologies for Homeland Security (HST), pp. 12–14 (2013)
Sasirekha, K., Thangavel, K.: A comparative analysis on fingerprint binarization techniques. Int. J. Comput. Intell. Inform. 4(3), 163–168 (2014)
Sasirekha, K., Thangavel, K.: A novel feature extraction algorithm from fingerprint ımage in wavelet domain. In. Senthilkumar, M., Ramasamy, V., Sheen, S., Veeramani, C., Bonato, A., Batten, L. (eds.) Intelligence, Cyber Security and Computational Models, ICC3 2015, Advances in Intelligent Systems and Computing, vol. 412, pp. 135–143. Springer, Heidelberg (2016)
Sanjay, N., Shrivastava, T.A., Upadhyay, A.R.: Advanced denoising technique for Iris images. In: International Conference on Systemics, Cybernetics and Informatics, vol. 3, pp. 106–109 (2011)
Sasirekha, K., Thangavel, K.: A novel wavelet based thresholding for denoising fingerprint ımage. In: IEEE International Conference on Electronics, Communication and Computational Engineering, pp. 119–124 (2014)
Mohideen, S.K., Perumal, S.A., Krishnan, N., Sathik, M.M., Kumar, T.C.R.: Image denoising multi-wavelet and threshold. In: IEEE International Conference on Computing, Communication and Networking, pp. 1– 5 (2008)
Donoho, D.L., Johnstone, I.M.: Ideal spatial adaptation via wavelet shrinkage. Biometrika 81, 425–455 (1994)
Donoho, David L., Johnstone, I.M.: Adapting to unknown smoothness via wavelet shrinkage. J. Am. Stat. Assoc. 90(432), 1200–1224 (1995)
Grace Chang, S., Yu, B., Vetterli, M.: Adaptive wavelet thresholding for ımage denoising and compression. IEEE Int. Trans. Image Process. 9(9), 1532–1546 (2000)
Wavelet_Denoising. www.mors.org/UserFiles/file/…/Wavelet_Denoising.pdf
Stakhov, A.P.: The generalized principle of the golden section and its applications in mathematics, science and engineering. Chaos, Solutions Fractals 26(2), 263–289 (2005)
Hashemiparast, S.M., Hashemiparast, O.: Multi Parameters Golden Ratio and Some Applications. Appl. Math. 2(7), 808–815 (2011)
Wang, C.-Y., Li, L.-L., Yang, F.-P., Gong, H.: A new kind of adaptive weighted median filter algorithm. In: IEEE International Conference on Computer Application and System Modeling, vol. 11, pp. 667–671 (2010)
Iris Database: CASIA-IrisV1. http://biometrics.idealtest.org
Acknowledgements
The first and second author would like to thank UGC, New Delhi for the financial support received under UGC Major Research Project No. 43-274/2014(SR).
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Thangavel, K., Sasirekha, K. (2016). Denoising Iris Image Using a Novel Wavelet Based Threshold. In: Subramanian, S., Nadarajan, R., Rao, S., Sheen, S. (eds) Digital Connectivity – Social Impact. CSI 2016. Communications in Computer and Information Science, vol 679. Springer, Singapore. https://doi.org/10.1007/978-981-10-3274-5_5
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