1. R. Maini, H. Aggarwal, A Comprehensive Review of Image Enhancement Techniques
2. A.K. Jain, Fundamentals of Digital Image Processing (Prentice Hall, Englewood Cliffs, NJ, 1989)
3. S.M. Pizer et al., Adaptive histogram equalization and its variations. Comput. Vis. Graph. Image Process. 39, 355–368 (1987)
4. R.C. Gonzalez, R.E. Woods, Digital Image Processing (Prentice Hall, Upper Saddle River, New Jersey, 2002)
5. R. Jain, R. Kasturi, B.G. Schunck, Machine Vision (McGraw-Hill International Edition, 1995)