title: Analog image contouring using a twisted-nematic liquid-crystal display.
authors.affiliation: Electronic Engineering Department, University of Guadalajara, Av. Revolución #1500, Guadalajara, Jal., CP.44840, México.
authors.forename: Jorge L
authors.initials: JL
authors.lastname: Flores
authors.forename: José A
authors.initials: JA
authors.lastname: Ferrari
authors.forename: Javier A
authors.initials: JA
authors.lastname: Ramos
authors.forename: Julia R
authors.initials: JR
authors.lastname: Alonso
authors.forename: Ariel
authors.initials: A
authors.lastname: Fernández