1. Philip AL (2019) Encyclopedia of image processing. CRC Press, United States of America
2. Suganya R, Rajaram S, Sheik AA (2018) Big data in medical image processing. CRC Press, United States of America
3. Chitradevi B et al (2014) An overview on image processing techniques. Int J Innov Res Comput Commun Eng 2(11):6466–6472
4. Michael PE (1984) Digital image processing techniques. Academy Press (1984)
5. Evans B, Alex KK (2018) Implementation of gray level image transformation techniques. J Mod Educ Comput Sci 5:44–53