ETH Zurich - D-INFK - IVC - CVG - Research - Non-Parametric Calibration

Non-Parametric Calibration of Radially Symmetric Cameras


Federico Camposeco
fede@inf.ethz.ch
Torsten Sattler
torsten.sattler@inf.ethz.ch
Marc Pollefeys
marc.pollefeys@inf.ethz.ch

IEEE International Conference on Computer Vision 2015

Abstract

We propose a novel two-step method for estimating the intrinsic and extrinsic calibration of any radially symmetric camera, including non-central systems. The first step consists of estimating the camera pose, given a Structure from Motion (SfM) model, up to the translation along the optical axis. As a second step, we obtain the calibration by finding the translation of the camera center using an ordering constraint. The method makes use of the 1D radial camera model, which allows us to effectively handle any radially symmetric camera, including non-central ones. Using this ordering constraint, we show that the we are able to calibrate several different (central and non-central) Wide Field of View (WFOV) cameras, including fisheye, hyper-catadioptric and spherical catadioptric cameras, as well as pinhole cameras, using a single image or jointly solving for several views.

Downloads

  • Non-Parametric Structure-Based Calibration of Radially Symmetric Cameras,
    F. Camposeco, T. Sattler, M. Pollefeys.
    IEEE International Conference on Computer Vision (ICCV) 2015
    [PDF] [Video] [bibtex]
    @InProceedings{Camposeco_2015_ICCV,
    author = {Federico Camposeco and Torsten Sattler and Marc Pollefeys},
    title = {Non-Parametric Structure-Based Calibration of Radially Symmetric Cameras},
    journal = {IEEE Internation Conference on Computer Vision (ICCV)},
    location = {Santiago de Chile, Chile},
    month = {December},
    year = {2015},
    }

  • Code
    [(To be released)]

  • © CVG, ETH Zürich lm@inf.ethz.ch