Examinando por Autor "Gardel Vicente, Alfredo"

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    Improving the Calibration of Image Sensors Based on IOFBs, Using Differential Gray-Code Space Encoding
    (MDPI, 2012-07-02) Fernández, Pedro R.; Lázaro Galilea, José Luis; Gardel Vicente, Alfredo; Bravo Muñoz, Ignacio; Cano García, Angel E.; Luna Vázquez, Carlos
    This paper presents a fast calibration method to determine the transfer function for spatial correspondences in image transmission devices with Incoherent Optical Fiber Bundles (IOFBs), by performing a scan of the input, using differential patterns generated from a Gray code (Differential Gray-Code Space Encoding, DGSE). The results demonstrate that this technique provides a noticeable reduction in processing time and better quality of the reconstructed image compared to other, previously employed techniques, such as point or fringe scanning, or even other known space encoding techniques.