- Edgar Roman-Rangel, Ángel Fernando Kuri Morales, José Francisco Martínez Trinidad, Jesús Ariel Carrasco-Ochoa, José Arturo Olvera-López, editors, Pattern Recognition - 13th Mexican Conference, MCPR 2021, Mexico City, Mexico, June 23-26, 2021, Proceedings. Volume 12725 of Lecture Notes in Computer Science, Springer, 2021.