Quiroga Mellado, Juan AntonioSánchez Brea, Luis MiguelGarcía Botella, ÁngelBernabeu Martínez, Eusebio2023-06-202023-06-202000-08-100003-693510.1364/AO.39.004098https://hdl.handle.net/20.500.14352/58788© 2000 Optical Society of America. Juan Antonio Quiroga acknowledges the support of a postdoctoral grant of the Universidad Complutense de Madrid and the Becas Internacionales Flores-Valles program, Spain, and Centro de Investigaciones en Óptica, León, México. Luis Miguel Sánchez-Brea acknowledges the support of a predoctoral grant of the Ministerio de Educación y Cultura (Intercambio de Personal Investigador entre Industrias y Centros Públicos de Investigación) with Kinossel S.L. This study was supported in part by Sainco Tráfico, S.A., in the framework of Proyecto de Estímulo a la Transferencia de Resultados de Investigación (PETRI) program, Baliza Luminosa para el Guiado de Tráfico Vial con Tecnología LED project of the Ministerio de Educación y Cultura.A histogram-based technique for robust contrast measurement is proposed. The method is based on fitting the histogram of the measured image to the histogram of a model function, and it can be used for contrast determination in fringe patterns. Simulated and experimental results are presented.engjournal articlehttp://dx.doi.org/10.1364/AO.39.004098http://www.opticsinfobase.orgopen access535OpticsÓptica (Física)2209.19 Óptica Física