[1] A.K. Jain, Fundamentals of Digital Image Processing. Englewood Cliffs, NJ: Prentice-Hall; 1989.

[2] Gonzalez and Woods, Digital Image Processing, Prentice Hall, 2nd edition, 2001.

[3] Chanchal Srivastava, Saurabh Kumar Mishra, Pallavi Asthana3, G. R. Mishra4, O.P. Singh, “Performance Comparison of Various Filters and Wavelet Transform for Image De-Noising”, e-ISSN: 2278-0661, p- ISSN: 2278-8727Volume 10, Issue 1 (Mar. - Apr. 2013), PP 55-63.

[4] Priyanka Kamboj And Versha Rania, “Brief Study Of Various Noise Model And Filtering Techniques” ISSN 2229-371X,Volume 4, No. 4, April 2013 [5] J. Astola and P. Kuosmanen, Fundamentals of Nonlinear Digital Filtering. Boca Raton, FL: CRC, 1997.

[6] J. Astola and P. Kuosmanen, Fundamentals of Nonlinear Digital Filtering. Boca Raton, FL: CRC, 1997.

[7] Vijay Kumar, Priyanka Gupta, “Importance of Statistical Measures in Digital Image Processing,” ISSN 2250-2459, Volume 2, Issue 8, August 2012.

[8] Alain Horé Djemel Ziou , “Image quality metrics: PSNR vs. SSIM” IEEE International Conference on Pattern Recognition,2010