CHAKRABORTY, Sumana. Image Processing Techniques: The Impact and Applications of Grayscale Transformations. Swami Vivekananda University Press, Kolkata, West Bengal, India., p. 68–71, 2025. Disponível em: https://swamivivekanandauniversitypress.com/index.php/svup/article/view/213. Acesso em: 24 oct. 2026.