[1] R. Gonzalez and R.Woods, Digital Image Processing, 3rd ed. Englewood Cliffs, NJ: Prentice-Hall, 2007.

[2] Y. Kim, Contrast enhancement using brightness preserving bi-histogram equalization, IEEE Trans. Consum. Electron., vol. 43, no. 1, pp. 18, Feb. 1997

[3] S. Chen and A. Ramli, Contrast enhancement using recursive mean separate histogram equalization for scalable brightness preservation, IEEE Trans. Consum. Electron. vol. 49, no. 4, pp. 13011309, Nov. 2003.

[4] H. Demirel, C. Ozcinar, and G. Anbarjafari, Satellite image contrast enhancement using discrete wavelet transform and singular value decomposition, IEEE Geosci. Reomte Sens. Lett., vol. 7, no. 2, pp. 3333337, Apr. 2010.

[5] H. Demirel, G. Anbarjafari, and M. Jahromi, Image equalization based on singular value decomposition, in Proc. 23rd IEEE Int. Symp. Comput. Inf. Sci., Istanbul, Turkey, Oct. 2008, pp. 15.

[6] Eunsung Lee, Sangjin Kim, Wonseok Kang, Doochun Seo, and Joonki Paik, Contrast Enhancement Using Dominant Brightness Level Analysis and Adaptive Intensity Transformation for Remote Sensing Images, IEEE Transactions on Geosciences and remote sensing letters, vol.10,no.1,january 2013.

[7] G.Veena, V.Uma, Ch. Ganapathy Reddy, Contrast Enhancement for Remote Sensing Images with Discrete Wavelet Transform, International Journal of Recent Technology and Engineering (IJRTE) ISSN: 2277- 3878, Volume-2, Issue-3, July 2013.

[8] Ivan W. Selesnick, Richard G. Baraniuk, and Nick G. Kingsbury. Dual-Tree Complex Wavelet Transform.

[9] Y.Monobe,H.Yamashita, T.Kurosawa and H.Kotera, Dynamic range compression preserving local image contarst for digital video camera, IEEE Trans.Consum.Electron.Vol.51 ,no.1.pp.110,Feb.2005.

[1] R. Gonzalez and R.Woods, Digital Image Processing, 3rd ed. Englewood Cliffs, NJ: Prentice-Hall, 2007.

[2] Y. Kim, Contrast enhancement using brightness preserving bi-histogram equalization, IEEE Trans. Consum. Electron., vol. 43, no. 1, pp. 18, Feb. 1997

[3] S. Chen and A. Ramli, Contrast enhancement using recursive mean separate histogram equalization for scalable brightness preservation, IEEE Trans. Consum. Electron. vol. 49, no. 4, pp. 13011309, Nov. 2003.

[4] H. Demirel, C. Ozcinar, and G. Anbarjafari, Satellite image contrast enhancement using discrete wavelet transform and singular value decomposition, IEEE Geosci. Reomte Sens. Lett., vol. 7, no. 2, pp. 3333337, Apr. 2010.

[5] H. Demirel, G. Anbarjafari, and M. Jahromi, Image equalization based on singular value decomposition, in Proc. 23rd IEEE Int. Symp. Comput. Inf. Sci., Istanbul, Turkey, Oct. 2008, pp. 15.

[6] Eunsung Lee, Sangjin Kim, Wonseok Kang, Doochun Seo, and Joonki Paik, Contrast Enhancement Using Dominant Brightness Level Analysis and Adaptive Intensity Transformation for Remote Sensing Images, IEEE Transactions on Geosciences and remote sensing letters, vol.10,no.1,january 2013.

[7] G.Veena, V.Uma, Ch. Ganapathy Reddy, Contrast Enhancement for Remote Sensing Images with Discrete Wavelet Transform, International Journal of Recent Technology and Engineering (IJRTE) ISSN: 2277- 3878, Volume-2, Issue-3, July 2013.

[8] Ivan W. Selesnick, Richard G. Baraniuk, and Nick G. Kingsbury. Dual-Tree Complex Wavelet Transform

[9] Y.Monobe,H.Yamashita, T.Kurosawa and H.Kotera, Dynamic range compression preserving local image contarst for digital video camera, IEEE Trans.Consum.Electron.Vol.51 ,no.1.pp.110,Feb.2005.

[10] S. Lee, An efficient contrast-based image enhancement in the compressed domain using retinex theory, IEEE Trans. Circuit Syst. Video Technol., vol. 17, no. 2, pp. 199213, Feb. 2007.

[11] W. Ke, C. Chen, and C. Chiu, BiTA/SWCE: Image enhancement with bilateral tone adjustment and saliency weighted contrast enhancement, IEEE Trans. Circuit Syst. Video Technol., vol. 21, no. 3, pp. 360364, Mar. 2010.

[12] L.Meylan and S. Susstrunk, High dynamic range image rendering with a retinex-based adaptive filter, IEEE Trans. Image Process., vol. 15, no. 9, pp. 28202830, Sep. 2006

[13] S. Chen and A. Beghdadi, Nature rendering of color image based on retinex, in Proc. IEEE Int. Conf. Image Process., Nov. 2009, pp. 18131816.

[14] R.Vani, K.Soundara Rajan, DWT and PCA Based Image Enhancement with Gaussian Filter, International Journal of Science and Modern Engineering (IJISME) ISSN: 2319-6386, Volume-1, Issue-3, February 2013. [15] S. Kim, W. Kang, E. Lee, and J. Paik, Wavelet-domain color image enhancement using filtered directional bases and frequency-adaptive shrinkage, IEEE Trans. Consum. Electron., vol. 56, no. 2, pp. 1063 1070, May 2010.

[16] S. S. Agaian, B. Silver, and K. A. Panetta, Transform coefficient histogram-based image enhancement algorithms using contrast entropy, IEEE Trans. Image Process., vol. IP16, no. 3, pp. 741–758, Mar. 2007.

[17] Computer Vision Group-University of Granada (CVGUGR) Image Database. [Online]. Available: http://decsai.ugr.es/cvg/dbimagene