Labastida i Juan, Ignasi, 1970-Carnicer González, ArturoMartín Badosa, EstelaJuvells Prades, IgnacioVallmitjana i Rico, Santiago2012-02-172012-02-171999-04-100003-6935https://hdl.handle.net/2445/22122We propose a method to obtain a single centered correlation with use of a joint transform correlator. We analyze the required setup to carry out the whole process optically, and we also present experimental results.5 p.application/pdfeng(c) Optical Society of America, 1999Òptica de FourierReconeixement òptic de formesDispositius optoelectrònicsCristalls líquidsFourier opticsOptical pattern recognitionOptoelectronic devicesLiquid crystalsOn-axis joint transform correlation based on a four-level power spectruminfo:eu-repo/semantics/article1523592012-02-15info:eu-repo/semantics/openAccess