Geintra

Departamento de electronica Universidad de Alcala

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    Real-Time Image Distortion Correction using FPGA-based System

    TítuloReal-Time Image Distortion Correction using FPGA-based System
    Tipo de publicaciónConference Paper
    Año de publicación2006
    AutoresHernández, Á, Gardel, A, Perez, L, Bravo, I, Mateos, R, Sanchez, E
    Idioma de publicaciónEnglish
    Conference NameIECON 2006 - 32nd Annual Conference on IEEE Industrial ElectronicsIECON 2006 - 32nd Annual Conference on IEEE Industrial Electronics
    Páginasnil7 - nil11
    Conference LocationParis, France
    Fecha de publicación11/2006
    EditorialIEEE
    Numero ISSN1553-572X
    Numero ISBN1-4244-0391-X
    URLhttp://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=4153060
    DOI10.1109/IECON.2006.347233
    Resumen

    The correction of images with geometric distortion, in cameras with short-focal length lenses, can be achieved by integrating the solution into the camera's electronic hardware. By analyzing the distortion problem, the calibration parameters for a given camera are obtained to correct the image distortion. Every pixel from the original image is weighted and used to modify several pixels of influence in the output image. The weights are computed by bilinear interpolation. The final design is generic and configurable to different values of zoom and focus. It has been oriented to an FPGA, being possible the correction of the image distortion in real-time, and providing an undistorted digital video stream