1. Jain, A.K.: Fundamentals of Digital Image Processing. Prentice Hall, Upper Saddle River (1989)
2. Russ, J.C.: The Image Processing Handbook, 6th edn. CRC Press, Boca Raton (2011)
3. Ting, C.-C., Wu, B.-F., Chung, M.-L., Chiu, C.-C., Wu, Y.-C.: Visual contrast enhancement algorithm based on histogram equalization. Sensors 15(7), 16981–16999 (2015)
4. Yoon, H., Han, Y., Hahn, H.: Image contrast enhancement based sub-histogram equalization technique without over-equalization noise. Int. J. Electr. Comput. Eng. 3(2), 189–195 (2009)
5. Pizer, S.M., et al.: Adaptive histogram equalization and its variations. Comput. Vis. Graph. Image Process. 39, 355–368 (1987)