Accurate estimation of effective camera focal length is crucial to the success of panoramic image stitching. Fast techniques for estimating the focal length exist, but are dependent upon a close initial approximation or the existence of a full circle panoramic image sequence. Numerical solutions of the focal length demonstrate strong coupling between the focal length and the angles used to position each component image about the common spherical center. This paper demonstrates that parameterizing panoramic image positions using spherical arc length instead of angles effectively decouples the focal length from the image position. This new parameterization does not require an initial focal length estimate for quick convergence, nor does it require a full circle panorama in order to refine the focal length. Experiments with synthetic and real image sets demonstrate the robustness of the method and a speedup of 5 to 20 times over angle based positioning.


    Access

    Check access

    Check availability in my library

    Order at Subito €


    Export, share and cite



    Title :

    Fast focal length solution in partial panoramic image stitching


    Contributors:


    Publication date :

    2001-01-01


    Size :

    646085 byte





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



    Fast Focal Length Solution in Partial Panoramic Image Stitching

    Duffin, K. L. / Barrett, W. A. / IEEE | British Library Conference Proceedings | 2001


    Automatic Panoramic Image Stitching using Invariant Features

    Brown, M. / Lowe, D. G. | British Library Online Contents | 2007



    Real-Time 3D Surround View System for Vehicle Based on Panoramic Stitching Image

    Gasparyan, Sokrat / Vasilianov, Georgii | Springer Verlag | 2022


    System and method for image adjustment and stitching for tractor-trailer panoramic displays

    AL RASHEED ASIF / GILLEY ADAM | European Patent Office | 2019

    Free access