Trujillo-Romero, F., S. O. Caballero Morales, K.-L. . Flores-Rodriguez, C. Garcia-Capulin, and R. . Sanchez-Yanez. “A Reduced Spherical Model for Optimization of Image Recognition through 3D Color Histograms”. International Journal of Combinatorial Optimization Problems and Informatics, vol. 13, no. 3, Aug. 2022, pp. 43-55, doi:10.61467/2007.1558.2022.v13i3.308.