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Image-based modeling using a two-step camera calibration method

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3 Author(s)
Carvalho, P.C.P. ; Inst. de Matematica Pura e Aplicada, Rio de Janeiro, Brazil ; Szenberg, F. ; Gattass, M.

We present a two-step camera calibration process based on linear least squares formulations. We show how to apply this process to build an integrated modeling environment, in which a scene is modeled by having the user specify, on a given image, a set of reference points (used for camera calibration) and object points (used for positioning the objects in the scene). Once this has been done, synthetic information can be superimposed onto the image and arbitrary views can be produced. Using this methodology, we developed virtual referee, an application to analyze soccer plays from still images, generating an OpenGL camera over a 3D field model

Published in:

Computer Graphics, Image Processing, and Vision, 1998. Proceedings. SIBGRAPI '98. International Symposium on

Date of Conference:

20-23 Oct 1998